diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/lib')
54 files changed, 0 insertions, 5346 deletions
diff --git a/ANDROID_3.4.5/arch/arm/lib/Makefile b/ANDROID_3.4.5/arch/arm/lib/Makefile deleted file mode 100644 index 0ade0acc..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/Makefile +++ /dev/null @@ -1,48 +0,0 @@ -# -# linux/arch/arm/lib/Makefile -# -# Copyright (C) 1995-2000 Russell King -# - -lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \ - csumpartialcopy.o csumpartialcopyuser.o clearbit.o \ - delay.o findbit.o memchr.o memcpy.o \ - memmove.o memset.o memzero.o setbit.o \ - strncpy_from_user.o strnlen_user.o \ - strchr.o strrchr.o \ - testchangebit.o testclearbit.o testsetbit.o \ - ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ - ucmpdi2.o lib1funcs.o div64.o \ - io-readsb.o io-writesb.o io-readsl.o io-writesl.o \ - call_with_stack.o - -mmu-y := clear_user.o copy_page.o getuser.o putuser.o - -# the code in uaccess.S is not preemption safe and -# probably faster on ARMv3 only -ifeq ($(CONFIG_PREEMPT),y) - mmu-y += copy_from_user.o copy_to_user.o -else -ifneq ($(CONFIG_CPU_32v3),y) - mmu-y += copy_from_user.o copy_to_user.o -else - mmu-y += uaccess.o -endif -endif - -# using lib_ here won't override already available weak symbols -obj-$(CONFIG_UACCESS_WITH_MEMCPY) += uaccess_with_memcpy.o - -lib-$(CONFIG_MMU) += $(mmu-y) - -ifeq ($(CONFIG_CPU_32v3),y) - lib-y += io-readsw-armv3.o io-writesw-armv3.o -else - lib-y += io-readsw-armv4.o io-writesw-armv4.o -endif - -lib-$(CONFIG_ARCH_RPC) += ecard.o io-acorn.o floppydma.o -lib-$(CONFIG_ARCH_SHARK) += io-shark.o - -$(obj)/csumpartialcopy.o: $(obj)/csumpartialcopygeneric.S -$(obj)/csumpartialcopyuser.o: $(obj)/csumpartialcopygeneric.S diff --git a/ANDROID_3.4.5/arch/arm/lib/ashldi3.S b/ANDROID_3.4.5/arch/arm/lib/ashldi3.S deleted file mode 100644 index 638deb13..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/ashldi3.S +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 - Free Software Foundation, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define al r1 -#define ah r0 -#else -#define al r0 -#define ah r1 -#endif - -ENTRY(__ashldi3) -ENTRY(__aeabi_llsl) - - subs r3, r2, #32 - rsb ip, r2, #32 - movmi ah, ah, lsl r2 - movpl ah, al, lsl r3 - ARM( orrmi ah, ah, al, lsr ip ) - THUMB( lsrmi r3, al, ip ) - THUMB( orrmi ah, ah, r3 ) - mov al, al, lsl r2 - mov pc, lr - -ENDPROC(__ashldi3) -ENDPROC(__aeabi_llsl) diff --git a/ANDROID_3.4.5/arch/arm/lib/ashrdi3.S b/ANDROID_3.4.5/arch/arm/lib/ashrdi3.S deleted file mode 100644 index 015e8aa5..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/ashrdi3.S +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 - Free Software Foundation, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define al r1 -#define ah r0 -#else -#define al r0 -#define ah r1 -#endif - -ENTRY(__ashrdi3) -ENTRY(__aeabi_lasr) - - subs r3, r2, #32 - rsb ip, r2, #32 - movmi al, al, lsr r2 - movpl al, ah, asr r3 - ARM( orrmi al, al, ah, lsl ip ) - THUMB( lslmi r3, ah, ip ) - THUMB( orrmi al, al, r3 ) - mov ah, ah, asr r2 - mov pc, lr - -ENDPROC(__ashrdi3) -ENDPROC(__aeabi_lasr) diff --git a/ANDROID_3.4.5/arch/arm/lib/backtrace.S b/ANDROID_3.4.5/arch/arm/lib/backtrace.S deleted file mode 100644 index cd07b581..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/backtrace.S +++ /dev/null @@ -1,152 +0,0 @@ -/* - * linux/arch/arm/lib/backtrace.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 27/03/03 Ian Molton Clean up CONFIG_CPU - * - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -@ fp is 0 or stack frame - -#define frame r4 -#define sv_fp r5 -#define sv_pc r6 -#define mask r7 -#define offset r8 - -ENTRY(c_backtrace) - -#if !defined(CONFIG_FRAME_POINTER) || !defined(CONFIG_PRINTK) - mov pc, lr -ENDPROC(c_backtrace) -#else - stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location... - movs frame, r0 @ if frame pointer is zero - beq no_frame @ we have no stack frames - - tst r1, #0x10 @ 26 or 32-bit mode? - ARM( moveq mask, #0xfc000003 ) - THUMB( moveq mask, #0xfc000000 ) - THUMB( orreq mask, #0x03 ) - movne mask, #0 @ mask for 32-bit - -1: stmfd sp!, {pc} @ calculate offset of PC stored - ldr r0, [sp], #4 @ by stmfd for this CPU - adr r1, 1b - sub offset, r0, r1 - -/* - * Stack frame layout: - * optionally saved caller registers (r4 - r10) - * saved fp - * saved sp - * saved lr - * frame => saved pc - * optionally saved arguments (r0 - r3) - * saved sp => <next word> - * - * Functions start with the following code sequence: - * mov ip, sp - * stmfd sp!, {r0 - r3} (optional) - * corrected pc => stmfd sp!, {..., fp, ip, lr, pc} - */ -for_each_frame: tst frame, mask @ Check for address exceptions - bne no_frame - -1001: ldr sv_pc, [frame, #0] @ get saved pc -1002: ldr sv_fp, [frame, #-12] @ get saved fp - - sub sv_pc, sv_pc, offset @ Correct PC for prefetching - bic sv_pc, sv_pc, mask @ mask PC/LR for the mode - -1003: ldr r2, [sv_pc, #-4] @ if stmfd sp!, {args} exists, - ldr r3, .Ldsi+4 @ adjust saved 'pc' back one - teq r3, r2, lsr #10 @ instruction - subne r0, sv_pc, #4 @ allow for mov - subeq r0, sv_pc, #8 @ allow for mov + stmia - - ldr r1, [frame, #-4] @ get saved lr - mov r2, frame - bic r1, r1, mask @ mask PC/LR for the mode - bl dump_backtrace_entry - - ldr r1, [sv_pc, #-4] @ if stmfd sp!, {args} exists, - ldr r3, .Ldsi+4 - teq r3, r1, lsr #10 - ldreq r0, [frame, #-8] @ get sp - subeq r0, r0, #4 @ point at the last arg - bleq .Ldumpstm @ dump saved registers - -1004: ldr r1, [sv_pc, #0] @ if stmfd sp!, {..., fp, ip, lr, pc} - ldr r3, .Ldsi @ instruction exists, - teq r3, r1, lsr #10 - subeq r0, frame, #16 - bleq .Ldumpstm @ dump saved registers - - teq sv_fp, #0 @ zero saved fp means - beq no_frame @ no further frames - - cmp sv_fp, frame @ next frame must be - mov frame, sv_fp @ above the current frame - bhi for_each_frame - -1006: adr r0, .Lbad - mov r1, frame - bl printk -no_frame: ldmfd sp!, {r4 - r8, pc} -ENDPROC(c_backtrace) - - .pushsection __ex_table,"a" - .align 3 - .long 1001b, 1006b - .long 1002b, 1006b - .long 1003b, 1006b - .long 1004b, 1006b - .popsection - -#define instr r4 -#define reg r5 -#define stack r6 - -.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, lr} - mov stack, r0 - mov instr, r1 - mov reg, #10 - mov r7, #0 -1: mov r3, #1 - ARM( tst instr, r3, lsl reg ) - THUMB( lsl r3, reg ) - THUMB( tst instr, r3 ) - beq 2f - add r7, r7, #1 - teq r7, #6 - moveq r7, #1 - moveq r1, #'\n' - movne r1, #' ' - ldr r3, [stack], #-4 - mov r2, reg - adr r0, .Lfp - bl printk -2: subs reg, reg, #1 - bpl 1b - teq r7, #0 - adrne r0, .Lcr - blne printk - ldmfd sp!, {instr, reg, stack, r7, pc} - -.Lfp: .asciz "%cr%d:%08x" -.Lcr: .asciz "\n" -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" - .align -.Ldsi: .word 0xe92dd800 >> 10 @ stmfd sp!, {... fp, ip, lr, pc} - .word 0xe92d0000 >> 10 @ stmfd sp!, {} - -#endif diff --git a/ANDROID_3.4.5/arch/arm/lib/bitops.h b/ANDROID_3.4.5/arch/arm/lib/bitops.h deleted file mode 100644 index d6408d1e..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/bitops.h +++ /dev/null @@ -1,95 +0,0 @@ -#include <asm/unwind.h> - -#if __LINUX_ARM_ARCH__ >= 6 - .macro bitop, name, instr -ENTRY( \name ) -UNWIND( .fnstart ) - ands ip, r1, #3 - strneb r1, [ip] @ assert word-aligned - mov r2, #1 - and r3, r0, #31 @ Get bit offset - mov r0, r0, lsr #5 - add r1, r1, r0, lsl #2 @ Get word offset - mov r3, r2, lsl r3 -1: ldrex r2, [r1] - \instr r2, r2, r3 - strex r0, r2, [r1] - cmp r0, #0 - bne 1b - bx lr -UNWIND( .fnend ) -ENDPROC(\name ) - .endm - - .macro testop, name, instr, store -ENTRY( \name ) -UNWIND( .fnstart ) - ands ip, r1, #3 - strneb r1, [ip] @ assert word-aligned - mov r2, #1 - and r3, r0, #31 @ Get bit offset - mov r0, r0, lsr #5 - add r1, r1, r0, lsl #2 @ Get word offset - mov r3, r2, lsl r3 @ create mask - smp_dmb -1: ldrex r2, [r1] - ands r0, r2, r3 @ save old value of bit - \instr r2, r2, r3 @ toggle bit - strex ip, r2, [r1] - cmp ip, #0 - bne 1b - smp_dmb - cmp r0, #0 - movne r0, #1 -2: bx lr -UNWIND( .fnend ) -ENDPROC(\name ) - .endm -#else - .macro bitop, name, instr -ENTRY( \name ) -UNWIND( .fnstart ) - ands ip, r1, #3 - strneb r1, [ip] @ assert word-aligned - and r2, r0, #31 - mov r0, r0, lsr #5 - mov r3, #1 - mov r3, r3, lsl r2 - save_and_disable_irqs ip - ldr r2, [r1, r0, lsl #2] - \instr r2, r2, r3 - str r2, [r1, r0, lsl #2] - restore_irqs ip - mov pc, lr -UNWIND( .fnend ) -ENDPROC(\name ) - .endm - -/** - * testop - implement a test_and_xxx_bit operation. - * @instr: operational instruction - * @store: store instruction - * - * Note: we can trivially conditionalise the store instruction - * to avoid dirtying the data cache. - */ - .macro testop, name, instr, store -ENTRY( \name ) -UNWIND( .fnstart ) - ands ip, r1, #3 - strneb r1, [ip] @ assert word-aligned - and r3, r0, #31 - mov r0, r0, lsr #5 - save_and_disable_irqs ip - ldr r2, [r1, r0, lsl #2]! - mov r0, #1 - tst r2, r0, lsl r3 - \instr r2, r2, r0, lsl r3 - \store r2, [r1] - moveq r0, #0 - restore_irqs ip - mov pc, lr -UNWIND( .fnend ) -ENDPROC(\name ) - .endm -#endif diff --git a/ANDROID_3.4.5/arch/arm/lib/call_with_stack.S b/ANDROID_3.4.5/arch/arm/lib/call_with_stack.S deleted file mode 100644 index 916c80f1..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/call_with_stack.S +++ /dev/null @@ -1,44 +0,0 @@ -/* - * arch/arm/lib/call_with_stack.S - * - * Copyright (C) 2011 ARM Ltd. - * Written by Will Deacon <will.deacon@arm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -/* - * void call_with_stack(void (*fn)(void *), void *arg, void *sp) - * - * Change the stack to that pointed at by sp, then invoke fn(arg) with - * the new stack. - */ -ENTRY(call_with_stack) - str sp, [r2, #-4]! - str lr, [r2, #-4]! - - mov sp, r2 - mov r2, r0 - mov r0, r1 - - adr lr, BSYM(1f) - mov pc, r2 - -1: ldr lr, [sp] - ldr sp, [sp, #4] - mov pc, lr -ENDPROC(call_with_stack) diff --git a/ANDROID_3.4.5/arch/arm/lib/changebit.S b/ANDROID_3.4.5/arch/arm/lib/changebit.S deleted file mode 100644 index f4027862..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/changebit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/changebit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -bitop _change_bit, eor diff --git a/ANDROID_3.4.5/arch/arm/lib/clear_user.S b/ANDROID_3.4.5/arch/arm/lib/clear_user.S deleted file mode 100644 index 14a0d988..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/clear_user.S +++ /dev/null @@ -1,54 +0,0 @@ -/* - * linux/arch/arm/lib/clear_user.S - * - * Copyright (C) 1995, 1996,1997,1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* Prototype: int __clear_user(void *addr, size_t sz) - * Purpose : clear some user memory - * Params : addr - user memory address to clear - * : sz - number of bytes to clear - * Returns : number of bytes NOT cleared - */ -ENTRY(__clear_user_std) -WEAK(__clear_user) - stmfd sp!, {r1, lr} - mov r2, #0 - cmp r1, #4 - blt 2f - ands ip, r0, #3 - beq 1f - cmp ip, #2 - strusr r2, r0, 1 - strusr r2, r0, 1, le - strusr r2, r0, 1, lt - rsb ip, ip, #4 - sub r1, r1, ip @ 7 6 5 4 3 2 1 -1: subs r1, r1, #8 @ -1 -2 -3 -4 -5 -6 -7 - strusr r2, r0, 4, pl, rept=2 - bpl 1b - adds r1, r1, #4 @ 3 2 1 0 -1 -2 -3 - strusr r2, r0, 4, pl -2: tst r1, #2 @ 1x 1x 0x 0x 1x 1x 0x - strusr r2, r0, 1, ne, rept=2 - tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1 - it ne @ explicit IT needed for the label -USER( strnebt r2, [r0]) - mov r0, #0 - ldmfd sp!, {r1, pc} -ENDPROC(__clear_user) -ENDPROC(__clear_user_std) - - .pushsection .fixup,"ax" - .align 0 -9001: ldmfd sp!, {r0, pc} - .popsection - diff --git a/ANDROID_3.4.5/arch/arm/lib/clearbit.S b/ANDROID_3.4.5/arch/arm/lib/clearbit.S deleted file mode 100644 index f6b75fb6..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/clearbit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/clearbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -bitop _clear_bit, bic diff --git a/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S b/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S deleted file mode 100644 index 66a477a3..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S +++ /dev/null @@ -1,104 +0,0 @@ -/* - * linux/arch/arm/lib/copy_from_user.S - * - * Author: Nicolas Pitre - * Created: Sep 29, 2005 - * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -/* - * Prototype: - * - * size_t __copy_from_user(void *to, const void *from, size_t n) - * - * Purpose: - * - * copy a block to kernel memory from user memory - * - * Params: - * - * to = kernel memory - * from = user memory - * n = number of bytes to copy - * - * Return value: - * - * Number of bytes NOT copied. - */ - -#ifndef CONFIG_THUMB2_KERNEL -#define LDR1W_SHIFT 0 -#else -#define LDR1W_SHIFT 1 -#endif -#define STR1W_SHIFT 0 - - .macro ldr1w ptr reg abort - ldrusr \reg, \ptr, 4, abort=\abort - .endm - - .macro ldr4w ptr reg1 reg2 reg3 reg4 abort - ldr1w \ptr, \reg1, \abort - ldr1w \ptr, \reg2, \abort - ldr1w \ptr, \reg3, \abort - ldr1w \ptr, \reg4, \abort - .endm - - .macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - ldr4w \ptr, \reg1, \reg2, \reg3, \reg4, \abort - ldr4w \ptr, \reg5, \reg6, \reg7, \reg8, \abort - .endm - - .macro ldr1b ptr reg cond=al abort - ldrusr \reg, \ptr, 1, \cond, abort=\abort - .endm - - .macro str1w ptr reg abort - W(str) \reg, [\ptr], #4 - .endm - - .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8} - .endm - - .macro str1b ptr reg cond=al abort - str\cond\()b \reg, [\ptr], #1 - .endm - - .macro enter reg1 reg2 - mov r3, #0 - stmdb sp!, {r0, r2, r3, \reg1, \reg2} - .endm - - .macro exit reg1 reg2 - add sp, sp, #8 - ldmfd sp!, {r0, \reg1, \reg2} - .endm - - .text - -ENTRY(__copy_from_user) - -#include "copy_template.S" - -ENDPROC(__copy_from_user) - - .pushsection .fixup,"ax" - .align 0 - copy_abort_preamble - ldmfd sp!, {r1, r2} - sub r3, r0, r1 - rsb r1, r3, r2 - str r1, [sp] - bl __memzero - ldr r0, [sp], #4 - copy_abort_end - .popsection - diff --git a/ANDROID_3.4.5/arch/arm/lib/copy_page.S b/ANDROID_3.4.5/arch/arm/lib/copy_page.S deleted file mode 100644 index 6ee2f670..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/copy_page.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * linux/arch/arm/lib/copypage.S - * - * Copyright (C) 1995-1999 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/asm-offsets.h> -#include <asm/cache.h> - -#define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 )) - - .text - .align 5 -/* - * StrongARM optimised copy_page routine - * now 1.78bytes/cycle, was 1.60 bytes/cycle (50MHz bus -> 89MB/s) - * Note that we probably achieve closer to the 100MB/s target with - * the core clock switching. - */ -ENTRY(copy_page) - stmfd sp!, {r4, lr} @ 2 - PLD( pld [r1, #0] ) - PLD( pld [r1, #L1_CACHE_BYTES] ) - mov r2, #COPY_COUNT @ 1 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 -1: PLD( pld [r1, #2 * L1_CACHE_BYTES]) - PLD( pld [r1, #3 * L1_CACHE_BYTES]) -2: - .rept (2 * L1_CACHE_BYTES / 16 - 1) - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4 - .endr - subs r2, r2, #1 @ 1 - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmgtia r1!, {r3, r4, ip, lr} @ 4 - bgt 1b @ 1 - PLD( ldmeqia r1!, {r3, r4, ip, lr} ) - PLD( beq 2b ) - ldmfd sp!, {r4, pc} @ 3 -ENDPROC(copy_page) diff --git a/ANDROID_3.4.5/arch/arm/lib/copy_template.S b/ANDROID_3.4.5/arch/arm/lib/copy_template.S deleted file mode 100644 index 805e3f8f..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/copy_template.S +++ /dev/null @@ -1,267 +0,0 @@ -/* - * linux/arch/arm/lib/copy_template.s - * - * Code template for optimized memory copy functions - * - * Author: Nicolas Pitre - * Created: Sep 28, 2005 - * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* - * Theory of operation - * ------------------- - * - * This file provides the core code for a forward memory copy used in - * the implementation of memcopy(), copy_to_user() and copy_from_user(). - * - * The including file must define the following accessor macros - * according to the need of the given function: - * - * ldr1w ptr reg abort - * - * This loads one word from 'ptr', stores it in 'reg' and increments - * 'ptr' to the next word. The 'abort' argument is used for fixup tables. - * - * ldr4w ptr reg1 reg2 reg3 reg4 abort - * ldr8w ptr, reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - * - * This loads four or eight words starting from 'ptr', stores them - * in provided registers and increments 'ptr' past those words. - * The'abort' argument is used for fixup tables. - * - * ldr1b ptr reg cond abort - * - * Similar to ldr1w, but it loads a byte and increments 'ptr' one byte. - * It also must apply the condition code if provided, otherwise the - * "al" condition is assumed by default. - * - * str1w ptr reg abort - * str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - * str1b ptr reg cond abort - * - * Same as their ldr* counterparts, but data is stored to 'ptr' location - * rather than being loaded. - * - * enter reg1 reg2 - * - * Preserve the provided registers on the stack plus any additional - * data as needed by the implementation including this code. Called - * upon code entry. - * - * exit reg1 reg2 - * - * Restore registers with the values previously saved with the - * 'preserv' macro. Called upon code termination. - * - * LDR1W_SHIFT - * STR1W_SHIFT - * - * Correction to be applied to the "ip" register when branching into - * the ldr1w or str1w instructions (some of these macros may expand to - * than one 32bit instruction in Thumb-2) - */ - - - enter r4, lr - - subs r2, r2, #4 - blt 8f - ands ip, r0, #3 - PLD( pld [r1, #0] ) - bne 9f - ands ip, r1, #3 - bne 10f - -1: subs r2, r2, #(28) - stmfd sp!, {r5 - r8} - blt 5f - - CALGN( ands ip, r0, #31 ) - CALGN( rsb r3, ip, #32 ) - CALGN( sbcnes r4, r3, r2 ) @ C is always set here - CALGN( bcs 2f ) - CALGN( adr r4, 6f ) - CALGN( subs r2, r2, r3 ) @ C gets set - CALGN( add pc, r4, ip ) - - PLD( pld [r1, #0] ) -2: PLD( subs r2, r2, #96 ) - PLD( pld [r1, #28] ) - PLD( blt 4f ) - PLD( pld [r1, #60] ) - PLD( pld [r1, #92] ) - -3: PLD( pld [r1, #124] ) -4: ldr8w r1, r3, r4, r5, r6, r7, r8, ip, lr, abort=20f - subs r2, r2, #32 - str8w r0, r3, r4, r5, r6, r7, r8, ip, lr, abort=20f - bge 3b - PLD( cmn r2, #96 ) - PLD( bge 4b ) - -5: ands ip, r2, #28 - rsb ip, ip, #32 -#if LDR1W_SHIFT > 0 - lsl ip, ip, #LDR1W_SHIFT -#endif - addne pc, pc, ip @ C is always clear here - b 7f -6: - .rept (1 << LDR1W_SHIFT) - W(nop) - .endr - ldr1w r1, r3, abort=20f - ldr1w r1, r4, abort=20f - ldr1w r1, r5, abort=20f - ldr1w r1, r6, abort=20f - ldr1w r1, r7, abort=20f - ldr1w r1, r8, abort=20f - ldr1w r1, lr, abort=20f - -#if LDR1W_SHIFT < STR1W_SHIFT - lsl ip, ip, #STR1W_SHIFT - LDR1W_SHIFT -#elif LDR1W_SHIFT > STR1W_SHIFT - lsr ip, ip, #LDR1W_SHIFT - STR1W_SHIFT -#endif - add pc, pc, ip - nop - .rept (1 << STR1W_SHIFT) - W(nop) - .endr - str1w r0, r3, abort=20f - str1w r0, r4, abort=20f - str1w r0, r5, abort=20f - str1w r0, r6, abort=20f - str1w r0, r7, abort=20f - str1w r0, r8, abort=20f - str1w r0, lr, abort=20f - - CALGN( bcs 2b ) - -7: ldmfd sp!, {r5 - r8} - -8: movs r2, r2, lsl #31 - ldr1b r1, r3, ne, abort=21f - ldr1b r1, r4, cs, abort=21f - ldr1b r1, ip, cs, abort=21f - str1b r0, r3, ne, abort=21f - str1b r0, r4, cs, abort=21f - str1b r0, ip, cs, abort=21f - - exit r4, pc - -9: rsb ip, ip, #4 - cmp ip, #2 - ldr1b r1, r3, gt, abort=21f - ldr1b r1, r4, ge, abort=21f - ldr1b r1, lr, abort=21f - str1b r0, r3, gt, abort=21f - str1b r0, r4, ge, abort=21f - subs r2, r2, ip - str1b r0, lr, abort=21f - blt 8b - ands ip, r1, #3 - beq 1b - -10: bic r1, r1, #3 - cmp ip, #2 - ldr1w r1, lr, abort=21f - beq 17f - bgt 18f - - - .macro forward_copy_shift pull push - - subs r2, r2, #28 - blt 14f - - CALGN( ands ip, r0, #31 ) - CALGN( rsb ip, ip, #32 ) - CALGN( sbcnes r4, ip, r2 ) @ C is always set here - CALGN( subcc r2, r2, ip ) - CALGN( bcc 15f ) - -11: stmfd sp!, {r5 - r9} - - PLD( pld [r1, #0] ) - PLD( subs r2, r2, #96 ) - PLD( pld [r1, #28] ) - PLD( blt 13f ) - PLD( pld [r1, #60] ) - PLD( pld [r1, #92] ) - -12: PLD( pld [r1, #124] ) -13: ldr4w r1, r4, r5, r6, r7, abort=19f - mov r3, lr, pull #\pull - subs r2, r2, #32 - ldr4w r1, r8, r9, ip, lr, abort=19f - orr r3, r3, r4, push #\push - mov r4, r4, pull #\pull - orr r4, r4, r5, push #\push - mov r5, r5, pull #\pull - orr r5, r5, r6, push #\push - mov r6, r6, pull #\pull - orr r6, r6, r7, push #\push - mov r7, r7, pull #\pull - orr r7, r7, r8, push #\push - mov r8, r8, pull #\pull - orr r8, r8, r9, push #\push - mov r9, r9, pull #\pull - orr r9, r9, ip, push #\push - mov ip, ip, pull #\pull - orr ip, ip, lr, push #\push - str8w r0, r3, r4, r5, r6, r7, r8, r9, ip, , abort=19f - bge 12b - PLD( cmn r2, #96 ) - PLD( bge 13b ) - - ldmfd sp!, {r5 - r9} - -14: ands ip, r2, #28 - beq 16f - -15: mov r3, lr, pull #\pull - ldr1w r1, lr, abort=21f - subs ip, ip, #4 - orr r3, r3, lr, push #\push - str1w r0, r3, abort=21f - bgt 15b - CALGN( cmp r2, #0 ) - CALGN( bge 11b ) - -16: sub r1, r1, #(\push / 8) - b 8b - - .endm - - - forward_copy_shift pull=8 push=24 - -17: forward_copy_shift pull=16 push=16 - -18: forward_copy_shift pull=24 push=8 - - -/* - * Abort preamble and completion macros. - * If a fixup handler is required then those macros must surround it. - * It is assumed that the fixup code will handle the private part of - * the exit macro. - */ - - .macro copy_abort_preamble -19: ldmfd sp!, {r5 - r9} - b 21f -20: ldmfd sp!, {r5 - r8} -21: - .endm - - .macro copy_abort_end - ldmfd sp!, {r4, pc} - .endm - diff --git a/ANDROID_3.4.5/arch/arm/lib/copy_to_user.S b/ANDROID_3.4.5/arch/arm/lib/copy_to_user.S deleted file mode 100644 index d066df68..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/copy_to_user.S +++ /dev/null @@ -1,106 +0,0 @@ -/* - * linux/arch/arm/lib/copy_to_user.S - * - * Author: Nicolas Pitre - * Created: Sep 29, 2005 - * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -/* - * Prototype: - * - * size_t __copy_to_user(void *to, const void *from, size_t n) - * - * Purpose: - * - * copy a block to user memory from kernel memory - * - * Params: - * - * to = user memory - * from = kernel memory - * n = number of bytes to copy - * - * Return value: - * - * Number of bytes NOT copied. - */ - -#define LDR1W_SHIFT 0 -#ifndef CONFIG_THUMB2_KERNEL -#define STR1W_SHIFT 0 -#else -#define STR1W_SHIFT 1 -#endif - - .macro ldr1w ptr reg abort - W(ldr) \reg, [\ptr], #4 - .endm - - .macro ldr4w ptr reg1 reg2 reg3 reg4 abort - ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4} - .endm - - .macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8} - .endm - - .macro ldr1b ptr reg cond=al abort - ldr\cond\()b \reg, [\ptr], #1 - .endm - - .macro str1w ptr reg abort - strusr \reg, \ptr, 4, abort=\abort - .endm - - .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - str1w \ptr, \reg1, \abort - str1w \ptr, \reg2, \abort - str1w \ptr, \reg3, \abort - str1w \ptr, \reg4, \abort - str1w \ptr, \reg5, \abort - str1w \ptr, \reg6, \abort - str1w \ptr, \reg7, \abort - str1w \ptr, \reg8, \abort - .endm - - .macro str1b ptr reg cond=al abort - strusr \reg, \ptr, 1, \cond, abort=\abort - .endm - - .macro enter reg1 reg2 - mov r3, #0 - stmdb sp!, {r0, r2, r3, \reg1, \reg2} - .endm - - .macro exit reg1 reg2 - add sp, sp, #8 - ldmfd sp!, {r0, \reg1, \reg2} - .endm - - .text - -ENTRY(__copy_to_user_std) -WEAK(__copy_to_user) - -#include "copy_template.S" - -ENDPROC(__copy_to_user) -ENDPROC(__copy_to_user_std) - - .pushsection .fixup,"ax" - .align 0 - copy_abort_preamble - ldmfd sp!, {r1, r2, r3} - sub r0, r0, r1 - rsb r0, r0, r2 - copy_abort_end - .popsection - diff --git a/ANDROID_3.4.5/arch/arm/lib/csumipv6.S b/ANDROID_3.4.5/arch/arm/lib/csumipv6.S deleted file mode 100644 index 3ac6ef01..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/csumipv6.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * linux/arch/arm/lib/csumipv6.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -ENTRY(__csum_ipv6_magic) - str lr, [sp, #-4]! - adds ip, r2, r3 - ldmia r1, {r1 - r3, lr} - adcs ip, ip, r1 - adcs ip, ip, r2 - adcs ip, ip, r3 - adcs ip, ip, lr - ldmia r0, {r0 - r3} - adcs r0, ip, r0 - adcs r0, r0, r1 - adcs r0, r0, r2 - ldr r2, [sp, #4] - adcs r0, r0, r3 - adcs r0, r0, r2 - adcs r0, r0, #0 - ldmfd sp!, {pc} -ENDPROC(__csum_ipv6_magic) - diff --git a/ANDROID_3.4.5/arch/arm/lib/csumpartial.S b/ANDROID_3.4.5/arch/arm/lib/csumpartial.S deleted file mode 100644 index 31d3cb34..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/csumpartial.S +++ /dev/null @@ -1,142 +0,0 @@ -/* - * linux/arch/arm/lib/csumpartial.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* - * Function: __u32 csum_partial(const char *src, int len, __u32 sum) - * Params : r0 = buffer, r1 = len, r2 = checksum - * Returns : r0 = new checksum - */ - -buf .req r0 -len .req r1 -sum .req r2 -td0 .req r3 -td1 .req r4 @ save before use -td2 .req r5 @ save before use -td3 .req lr - -.Lzero: mov r0, sum - add sp, sp, #4 - ldr pc, [sp], #4 - - /* - * Handle 0 to 7 bytes, with any alignment of source and - * destination pointers. Note that when we get here, C = 0 - */ -.Lless8: teq len, #0 @ check for zero count - beq .Lzero - - /* we must have at least one byte. */ - tst buf, #1 @ odd address? - movne sum, sum, ror #8 - ldrneb td0, [buf], #1 - subne len, len, #1 - adcnes sum, sum, td0, put_byte_1 - -.Lless4: tst len, #6 - beq .Lless8_byte - - /* we are now half-word aligned */ - -.Lless8_wordlp: -#if __LINUX_ARM_ARCH__ >= 4 - ldrh td0, [buf], #2 - sub len, len, #2 -#else - ldrb td0, [buf], #1 - ldrb td3, [buf], #1 - sub len, len, #2 -#ifndef __ARMEB__ - orr td0, td0, td3, lsl #8 -#else - orr td0, td3, td0, lsl #8 -#endif -#endif - adcs sum, sum, td0 - tst len, #6 - bne .Lless8_wordlp - -.Lless8_byte: tst len, #1 @ odd number of bytes - ldrneb td0, [buf], #1 @ include last byte - adcnes sum, sum, td0, put_byte_0 @ update checksum - -.Ldone: adc r0, sum, #0 @ collect up the last carry - ldr td0, [sp], #4 - tst td0, #1 @ check buffer alignment - movne r0, r0, ror #8 @ rotate checksum by 8 bits - ldr pc, [sp], #4 @ return - -.Lnot_aligned: tst buf, #1 @ odd address - ldrneb td0, [buf], #1 @ make even - subne len, len, #1 - adcnes sum, sum, td0, put_byte_1 @ update checksum - - tst buf, #2 @ 32-bit aligned? -#if __LINUX_ARM_ARCH__ >= 4 - ldrneh td0, [buf], #2 @ make 32-bit aligned - subne len, len, #2 -#else - ldrneb td0, [buf], #1 - ldrneb ip, [buf], #1 - subne len, len, #2 -#ifndef __ARMEB__ - orrne td0, td0, ip, lsl #8 -#else - orrne td0, ip, td0, lsl #8 -#endif -#endif - adcnes sum, sum, td0 @ update checksum - mov pc, lr - -ENTRY(csum_partial) - stmfd sp!, {buf, lr} - cmp len, #8 @ Ensure that we have at least - blo .Lless8 @ 8 bytes to copy. - - tst buf, #1 - movne sum, sum, ror #8 - - adds sum, sum, #0 @ C = 0 - tst buf, #3 @ Test destination alignment - blne .Lnot_aligned @ align destination, return here - -1: bics ip, len, #31 - beq 3f - - stmfd sp!, {r4 - r5} -2: ldmia buf!, {td0, td1, td2, td3} - adcs sum, sum, td0 - adcs sum, sum, td1 - adcs sum, sum, td2 - adcs sum, sum, td3 - ldmia buf!, {td0, td1, td2, td3} - adcs sum, sum, td0 - adcs sum, sum, td1 - adcs sum, sum, td2 - adcs sum, sum, td3 - sub ip, ip, #32 - teq ip, #0 - bne 2b - ldmfd sp!, {r4 - r5} - -3: tst len, #0x1c @ should not change C - beq .Lless4 - -4: ldr td0, [buf], #4 - sub len, len, #4 - adcs sum, sum, td0 - tst len, #0x1c - bne 4b - b .Lless4 -ENDPROC(csum_partial) diff --git a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopy.S b/ANDROID_3.4.5/arch/arm/lib/csumpartialcopy.S deleted file mode 100644 index d03fc71f..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopy.S +++ /dev/null @@ -1,53 +0,0 @@ -/* - * linux/arch/arm/lib/csumpartialcopy.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* Function: __u32 csum_partial_copy_nocheck(const char *src, char *dst, int len, __u32 sum) - * Params : r0 = src, r1 = dst, r2 = len, r3 = checksum - * Returns : r0 = new checksum - */ - - .macro save_regs - stmfd sp!, {r1, r4 - r8, lr} - .endm - - .macro load_regs - ldmfd sp!, {r1, r4 - r8, pc} - .endm - - .macro load1b, reg1 - ldrb \reg1, [r0], #1 - .endm - - .macro load2b, reg1, reg2 - ldrb \reg1, [r0], #1 - ldrb \reg2, [r0], #1 - .endm - - .macro load1l, reg1 - ldr \reg1, [r0], #4 - .endm - - .macro load2l, reg1, reg2 - ldr \reg1, [r0], #4 - ldr \reg2, [r0], #4 - .endm - - .macro load4l, reg1, reg2, reg3, reg4 - ldmia r0!, {\reg1, \reg2, \reg3, \reg4} - .endm - -#define FN_ENTRY ENTRY(csum_partial_copy_nocheck) -#define FN_EXIT ENDPROC(csum_partial_copy_nocheck) - -#include "csumpartialcopygeneric.S" diff --git a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopygeneric.S b/ANDROID_3.4.5/arch/arm/lib/csumpartialcopygeneric.S deleted file mode 100644 index d620a5f2..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopygeneric.S +++ /dev/null @@ -1,332 +0,0 @@ -/* - * linux/arch/arm/lib/csumpartialcopygeneric.S - * - * Copyright (C) 1995-2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* - * unsigned int - * csum_partial_copy_xxx(const char *src, char *dst, int len, int sum, ) - * r0 = src, r1 = dst, r2 = len, r3 = sum - * Returns : r0 = checksum - * - * Note that 'tst' and 'teq' preserve the carry flag. - */ - -src .req r0 -dst .req r1 -len .req r2 -sum .req r3 - -.Lzero: mov r0, sum - load_regs - - /* - * Align an unaligned destination pointer. We know that - * we have >= 8 bytes here, so we don't need to check - * the length. Note that the source pointer hasn't been - * aligned yet. - */ -.Ldst_unaligned: - tst dst, #1 - beq .Ldst_16bit - - load1b ip - sub len, len, #1 - adcs sum, sum, ip, put_byte_1 @ update checksum - strb ip, [dst], #1 - tst dst, #2 - moveq pc, lr @ dst is now 32bit aligned - -.Ldst_16bit: load2b r8, ip - sub len, len, #2 - adcs sum, sum, r8, put_byte_0 - strb r8, [dst], #1 - adcs sum, sum, ip, put_byte_1 - strb ip, [dst], #1 - mov pc, lr @ dst is now 32bit aligned - - /* - * Handle 0 to 7 bytes, with any alignment of source and - * destination pointers. Note that when we get here, C = 0 - */ -.Lless8: teq len, #0 @ check for zero count - beq .Lzero - - /* we must have at least one byte. */ - tst dst, #1 @ dst 16-bit aligned - beq .Lless8_aligned - - /* Align dst */ - load1b ip - sub len, len, #1 - adcs sum, sum, ip, put_byte_1 @ update checksum - strb ip, [dst], #1 - tst len, #6 - beq .Lless8_byteonly - -1: load2b r8, ip - sub len, len, #2 - adcs sum, sum, r8, put_byte_0 - strb r8, [dst], #1 - adcs sum, sum, ip, put_byte_1 - strb ip, [dst], #1 -.Lless8_aligned: - tst len, #6 - bne 1b -.Lless8_byteonly: - tst len, #1 - beq .Ldone - load1b r8 - adcs sum, sum, r8, put_byte_0 @ update checksum - strb r8, [dst], #1 - b .Ldone - -FN_ENTRY - save_regs - - cmp len, #8 @ Ensure that we have at least - blo .Lless8 @ 8 bytes to copy. - - adds sum, sum, #0 @ C = 0 - tst dst, #3 @ Test destination alignment - blne .Ldst_unaligned @ align destination, return here - - /* - * Ok, the dst pointer is now 32bit aligned, and we know - * that we must have more than 4 bytes to copy. Note - * that C contains the carry from the dst alignment above. - */ - - tst src, #3 @ Test source alignment - bne .Lsrc_not_aligned - - /* Routine for src & dst aligned */ - - bics ip, len, #15 - beq 2f - -1: load4l r4, r5, r6, r7 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - sub ip, ip, #16 - teq ip, #0 - bne 1b - -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r4, r5 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - tst ip, #4 - beq 4f - -3: load1l r4 - str r4, [dst], #4 - adcs sum, sum, r4 - -4: ands len, len, #3 - beq .Ldone - load1l r4 - tst len, #2 - mov r5, r4, get_byte_0 - beq .Lexit - adcs sum, sum, r4, push #16 - strb r5, [dst], #1 - mov r5, r4, get_byte_1 - strb r5, [dst], #1 - mov r5, r4, get_byte_2 -.Lexit: tst len, #1 - strneb r5, [dst], #1 - andne r5, r5, #255 - adcnes sum, sum, r5, put_byte_0 - - /* - * If the dst pointer was not 16-bit aligned, we - * need to rotate the checksum here to get around - * the inefficient byte manipulations in the - * architecture independent code. - */ -.Ldone: adc r0, sum, #0 - ldr sum, [sp, #0] @ dst - tst sum, #1 - movne r0, r0, ror #8 - load_regs - -.Lsrc_not_aligned: - adc sum, sum, #0 @ include C from dst alignment - and ip, src, #3 - bic src, src, #3 - load1l r5 - cmp ip, #2 - beq .Lsrc2_aligned - bhi .Lsrc3_aligned - mov r4, r5, pull #8 @ C = 0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - mov r7, r7, pull #8 - orr r7, r7, r8, push #24 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #8 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #8 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #24 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #8 -4: ands len, len, #3 - beq .Ldone - mov r5, r4, get_byte_0 - tst len, #2 - beq .Lexit - adcs sum, sum, r4, push #16 - strb r5, [dst], #1 - mov r5, r4, get_byte_1 - strb r5, [dst], #1 - mov r5, r4, get_byte_2 - b .Lexit - -.Lsrc2_aligned: mov r4, r5, pull #16 - adds sum, sum, #0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - mov r7, r7, pull #16 - orr r7, r7, r8, push #16 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #16 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #16 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #16 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #16 -4: ands len, len, #3 - beq .Ldone - mov r5, r4, get_byte_0 - tst len, #2 - beq .Lexit - adcs sum, sum, r4 - strb r5, [dst], #1 - mov r5, r4, get_byte_1 - strb r5, [dst], #1 - tst len, #1 - beq .Ldone - load1b r5 - b .Lexit - -.Lsrc3_aligned: mov r4, r5, pull #24 - adds sum, sum, #0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - mov r7, r7, pull #24 - orr r7, r7, r8, push #8 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #24 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #24 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #8 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #24 -4: ands len, len, #3 - beq .Ldone - mov r5, r4, get_byte_0 - tst len, #2 - beq .Lexit - strb r5, [dst], #1 - adcs sum, sum, r4 - load1l r4 - mov r5, r4, get_byte_0 - strb r5, [dst], #1 - adcs sum, sum, r4, push #24 - mov r5, r4, get_byte_1 - b .Lexit -FN_EXIT diff --git a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S b/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S deleted file mode 100644 index 7d08b43d..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S +++ /dev/null @@ -1,83 +0,0 @@ -/* - * linux/arch/arm/lib/csumpartialcopyuser.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 27/03/03 Ian Molton Clean up CONFIG_CPU - * - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/asm-offsets.h> - - .text - - .macro save_regs - stmfd sp!, {r1, r2, r4 - r8, lr} - .endm - - .macro load_regs - ldmfd sp!, {r1, r2, r4 - r8, pc} - .endm - - .macro load1b, reg1 - ldrusr \reg1, r0, 1 - .endm - - .macro load2b, reg1, reg2 - ldrusr \reg1, r0, 1 - ldrusr \reg2, r0, 1 - .endm - - .macro load1l, reg1 - ldrusr \reg1, r0, 4 - .endm - - .macro load2l, reg1, reg2 - ldrusr \reg1, r0, 4 - ldrusr \reg2, r0, 4 - .endm - - .macro load4l, reg1, reg2, reg3, reg4 - ldrusr \reg1, r0, 4 - ldrusr \reg2, r0, 4 - ldrusr \reg3, r0, 4 - ldrusr \reg4, r0, 4 - .endm - -/* - * unsigned int - * csum_partial_copy_from_user(const char *src, char *dst, int len, int sum, int *err_ptr) - * r0 = src, r1 = dst, r2 = len, r3 = sum, [sp] = *err_ptr - * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT - */ - -#define FN_ENTRY ENTRY(csum_partial_copy_from_user) -#define FN_EXIT ENDPROC(csum_partial_copy_from_user) - -#include "csumpartialcopygeneric.S" - -/* - * FIXME: minor buglet here - * We don't return the checksum for the data present in the buffer. To do - * so properly, we would have to add in whatever registers were loaded before - * the fault, which, with the current asm above is not predictable. - */ - .pushsection .fixup,"ax" - .align 4 -9001: mov r4, #-EFAULT - ldr r5, [sp, #8*4] @ *err_ptr - str r4, [r5] - ldmia sp, {r1, r2} @ retrieve dst, len - add r2, r2, r1 - mov r0, #0 @ zero the buffer -9002: teq r2, r1 - strneb r0, [r1], #1 - bne 9002b - load_regs - .popsection diff --git a/ANDROID_3.4.5/arch/arm/lib/delay.S b/ANDROID_3.4.5/arch/arm/lib/delay.S deleted file mode 100644 index 3c9a05c8..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/delay.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * linux/arch/arm/lib/delay.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/param.h> - .text - -.LC0: .word loops_per_jiffy -.LC1: .word (2199023*HZ)>>11 - -/* - * r0 <= 2000 - * lpj <= 0x01ffffff (max. 3355 bogomips) - * HZ <= 1000 - */ - -ENTRY(__udelay) - ldr r2, .LC1 - mul r0, r2, r0 -ENTRY(__const_udelay) @ 0 <= r0 <= 0x7fffff06 - mov r1, #-1 - ldr r2, .LC0 - ldr r2, [r2] @ max = 0x01ffffff - add r0, r0, r1, lsr #32-14 - mov r0, r0, lsr #14 @ max = 0x0001ffff - add r2, r2, r1, lsr #32-10 - mov r2, r2, lsr #10 @ max = 0x00007fff - mul r0, r2, r0 @ max = 2^32-1 - add r0, r0, r1, lsr #32-6 - movs r0, r0, lsr #6 - moveq pc, lr - -/* - * loops = r0 * HZ * loops_per_jiffy / 1000000 - * - * Oh, if only we had a cycle counter... - */ - -@ Delay routine -ENTRY(__delay) - subs r0, r0, #1 -#if 0 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 - movls pc, lr - subs r0, r0, #1 -#endif - bhi __delay - mov pc, lr -ENDPROC(__udelay) -ENDPROC(__const_udelay) -ENDPROC(__delay) diff --git a/ANDROID_3.4.5/arch/arm/lib/div64.S b/ANDROID_3.4.5/arch/arm/lib/div64.S deleted file mode 100644 index e55c4842..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/div64.S +++ /dev/null @@ -1,211 +0,0 @@ -/* - * linux/arch/arm/lib/div64.S - * - * Optimized computation of 64-bit dividend / 32-bit divisor - * - * Author: Nicolas Pitre - * Created: Oct 5, 2003 - * Copyright: Monta Vista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/unwind.h> - -#ifdef __ARMEB__ -#define xh r0 -#define xl r1 -#define yh r2 -#define yl r3 -#else -#define xl r0 -#define xh r1 -#define yl r2 -#define yh r3 -#endif - -/* - * __do_div64: perform a division with 64-bit dividend and 32-bit divisor. - * - * Note: Calling convention is totally non standard for optimal code. - * This is meant to be used by do_div() from include/asm/div64.h only. - * - * Input parameters: - * xh-xl = dividend (clobbered) - * r4 = divisor (preserved) - * - * Output values: - * yh-yl = result - * xh = remainder - * - * Clobbered regs: xl, ip - */ - -ENTRY(__do_div64) -UNWIND(.fnstart) - - @ Test for easy paths first. - subs ip, r4, #1 - bls 9f @ divisor is 0 or 1 - tst ip, r4 - beq 8f @ divisor is power of 2 - - @ See if we need to handle upper 32-bit result. - cmp xh, r4 - mov yh, #0 - blo 3f - - @ Align divisor with upper part of dividend. - @ The aligned divisor is stored in yl preserving the original. - @ The bit position is stored in ip. - -#if __LINUX_ARM_ARCH__ >= 5 - - clz yl, r4 - clz ip, xh - sub yl, yl, ip - mov ip, #1 - mov ip, ip, lsl yl - mov yl, r4, lsl yl - -#else - - mov yl, r4 - mov ip, #1 -1: cmp yl, #0x80000000 - cmpcc yl, xh - movcc yl, yl, lsl #1 - movcc ip, ip, lsl #1 - bcc 1b - -#endif - - @ The division loop for needed upper bit positions. - @ Break out early if dividend reaches 0. -2: cmp xh, yl - orrcs yh, yh, ip - subcss xh, xh, yl - movnes ip, ip, lsr #1 - mov yl, yl, lsr #1 - bne 2b - - @ See if we need to handle lower 32-bit result. -3: cmp xh, #0 - mov yl, #0 - cmpeq xl, r4 - movlo xh, xl - movlo pc, lr - - @ The division loop for lower bit positions. - @ Here we shift remainer bits leftwards rather than moving the - @ divisor for comparisons, considering the carry-out bit as well. - mov ip, #0x80000000 -4: movs xl, xl, lsl #1 - adcs xh, xh, xh - beq 6f - cmpcc xh, r4 -5: orrcs yl, yl, ip - subcs xh, xh, r4 - movs ip, ip, lsr #1 - bne 4b - mov pc, lr - - @ The top part of remainder became zero. If carry is set - @ (the 33th bit) this is a false positive so resume the loop. - @ Otherwise, if lower part is also null then we are done. -6: bcs 5b - cmp xl, #0 - moveq pc, lr - - @ We still have remainer bits in the low part. Bring them up. - -#if __LINUX_ARM_ARCH__ >= 5 - - clz xh, xl @ we know xh is zero here so... - add xh, xh, #1 - mov xl, xl, lsl xh - mov ip, ip, lsr xh - -#else - -7: movs xl, xl, lsl #1 - mov ip, ip, lsr #1 - bcc 7b - -#endif - - @ Current remainder is now 1. It is worthless to compare with - @ divisor at this point since divisor can not be smaller than 3 here. - @ If possible, branch for another shift in the division loop. - @ If no bit position left then we are done. - movs ip, ip, lsr #1 - mov xh, #1 - bne 4b - mov pc, lr - -8: @ Division by a power of 2: determine what that divisor order is - @ then simply shift values around - -#if __LINUX_ARM_ARCH__ >= 5 - - clz ip, r4 - rsb ip, ip, #31 - -#else - - mov yl, r4 - cmp r4, #(1 << 16) - mov ip, #0 - movhs yl, yl, lsr #16 - movhs ip, #16 - - cmp yl, #(1 << 8) - movhs yl, yl, lsr #8 - addhs ip, ip, #8 - - cmp yl, #(1 << 4) - movhs yl, yl, lsr #4 - addhs ip, ip, #4 - - cmp yl, #(1 << 2) - addhi ip, ip, #3 - addls ip, ip, yl, lsr #1 - -#endif - - mov yh, xh, lsr ip - mov yl, xl, lsr ip - rsb ip, ip, #32 - ARM( orr yl, yl, xh, lsl ip ) - THUMB( lsl xh, xh, ip ) - THUMB( orr yl, yl, xh ) - mov xh, xl, lsl ip - mov xh, xh, lsr ip - mov pc, lr - - @ eq -> division by 1: obvious enough... -9: moveq yl, xl - moveq yh, xh - moveq xh, #0 - moveq pc, lr -UNWIND(.fnend) - -UNWIND(.fnstart) -UNWIND(.pad #4) -UNWIND(.save {lr}) -Ldiv0_64: - @ Division by 0: - str lr, [sp, #-8]! - bl __div0 - - @ as wrong as it could be... - mov yl, #0 - mov yh, #0 - mov xh, #0 - ldr pc, [sp], #8 - -UNWIND(.fnend) -ENDPROC(__do_div64) diff --git a/ANDROID_3.4.5/arch/arm/lib/ecard.S b/ANDROID_3.4.5/arch/arm/lib/ecard.S deleted file mode 100644 index e6057fa8..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/ecard.S +++ /dev/null @@ -1,44 +0,0 @@ -/* - * linux/arch/arm/lib/ecard.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 27/03/03 Ian Molton Clean up CONFIG_CPU - * - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -#define CPSR2SPSR(rt) \ - mrs rt, cpsr; \ - msr spsr_cxsf, rt - -@ Purpose: call an expansion card loader to read bytes. -@ Proto : char read_loader(int offset, char *card_base, char *loader); -@ Returns: byte read - -ENTRY(ecard_loader_read) - stmfd sp!, {r4 - r12, lr} - mov r11, r1 - mov r1, r0 - CPSR2SPSR(r0) - mov lr, pc - mov pc, r2 - ldmfd sp!, {r4 - r12, pc} - -@ Purpose: call an expansion card loader to reset the card -@ Proto : void read_loader(int card_base, char *loader); -@ Returns: byte read - -ENTRY(ecard_loader_reset) - stmfd sp!, {r4 - r12, lr} - mov r11, r0 - CPSR2SPSR(r0) - mov lr, pc - add pc, r1, #8 - ldmfd sp!, {r4 - r12, pc} - diff --git a/ANDROID_3.4.5/arch/arm/lib/findbit.S b/ANDROID_3.4.5/arch/arm/lib/findbit.S deleted file mode 100644 index 64f6bc1a..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/findbit.S +++ /dev/null @@ -1,196 +0,0 @@ -/* - * linux/arch/arm/lib/findbit.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 16th March 2001 - John Ripley <jripley@sonicblue.com> - * Fixed so that "size" is an exclusive not an inclusive quantity. - * All users of these functions expect exclusive sizes, and may - * also call with zero size. - * Reworked by rmk. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* - * Purpose : Find a 'zero' bit - * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); - */ -ENTRY(_find_first_zero_bit_le) - teq r1, #0 - beq 3f - mov r2, #0 -1: - ARM( ldrb r3, [r0, r2, lsr #3] ) - THUMB( lsr r3, r2, #3 ) - THUMB( ldrb r3, [r0, r3] ) - eors r3, r3, #0xff @ invert bits - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_zero_bit_le) - -/* - * Purpose : Find next 'zero' bit - * Prototype: int find_next_zero_bit(void *addr, unsigned int maxbit, int offset) - */ -ENTRY(_find_next_zero_bit_le) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - ARM( ldrb r3, [r0, r2, lsr #3] ) - THUMB( lsr r3, r2, #3 ) - THUMB( ldrb r3, [r0, r3] ) - eor r3, r3, #0xff @ now looking for a 1 bit - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_zero_bit_le) - -/* - * Purpose : Find a 'one' bit - * Prototype: int find_first_bit(const unsigned long *addr, unsigned int maxbit); - */ -ENTRY(_find_first_bit_le) - teq r1, #0 - beq 3f - mov r2, #0 -1: - ARM( ldrb r3, [r0, r2, lsr #3] ) - THUMB( lsr r3, r2, #3 ) - THUMB( ldrb r3, [r0, r3] ) - movs r3, r3 - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_bit_le) - -/* - * Purpose : Find next 'one' bit - * Prototype: int find_next_zero_bit(void *addr, unsigned int maxbit, int offset) - */ -ENTRY(_find_next_bit_le) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - ARM( ldrb r3, [r0, r2, lsr #3] ) - THUMB( lsr r3, r2, #3 ) - THUMB( ldrb r3, [r0, r3] ) - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_bit_le) - -#ifdef __ARMEB__ - -ENTRY(_find_first_zero_bit_be) - teq r1, #0 - beq 3f - mov r2, #0 -1: eor r3, r2, #0x18 @ big endian byte ordering - ARM( ldrb r3, [r0, r3, lsr #3] ) - THUMB( lsr r3, #3 ) - THUMB( ldrb r3, [r0, r3] ) - eors r3, r3, #0xff @ invert bits - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_zero_bit_be) - -ENTRY(_find_next_zero_bit_be) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - eor r3, r2, #0x18 @ big endian byte ordering - ARM( ldrb r3, [r0, r3, lsr #3] ) - THUMB( lsr r3, #3 ) - THUMB( ldrb r3, [r0, r3] ) - eor r3, r3, #0xff @ now looking for a 1 bit - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_zero_bit_be) - -ENTRY(_find_first_bit_be) - teq r1, #0 - beq 3f - mov r2, #0 -1: eor r3, r2, #0x18 @ big endian byte ordering - ARM( ldrb r3, [r0, r3, lsr #3] ) - THUMB( lsr r3, #3 ) - THUMB( ldrb r3, [r0, r3] ) - movs r3, r3 - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_bit_be) - -ENTRY(_find_next_bit_be) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - eor r3, r2, #0x18 @ big endian byte ordering - ARM( ldrb r3, [r0, r3, lsr #3] ) - THUMB( lsr r3, #3 ) - THUMB( ldrb r3, [r0, r3] ) - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_bit_be) - -#endif - -/* - * One or more bits in the LSB of r3 are assumed to be set. - */ -.L_found: -#if __LINUX_ARM_ARCH__ >= 5 - rsb r0, r3, #0 - and r3, r3, r0 - clz r3, r3 - rsb r3, r3, #31 - add r0, r2, r3 -#else - tst r3, #0x0f - addeq r2, r2, #4 - movne r3, r3, lsl #4 - tst r3, #0x30 - addeq r2, r2, #2 - movne r3, r3, lsl #2 - tst r3, #0x40 - addeq r2, r2, #1 - mov r0, r2 -#endif - cmp r1, r0 @ Clamp to maxbit - movlo r0, r1 - mov pc, lr - diff --git a/ANDROID_3.4.5/arch/arm/lib/floppydma.S b/ANDROID_3.4.5/arch/arm/lib/floppydma.S deleted file mode 100644 index 617150b1..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/floppydma.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * linux/arch/arm/lib/floppydma.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - - .global floppy_fiqin_end -ENTRY(floppy_fiqin_start) - subs r9, r9, #1 - ldrgtb r12, [r11, #-4] - ldrleb r12, [r11], #0 - strb r12, [r10], #1 - subs pc, lr, #4 -floppy_fiqin_end: - - .global floppy_fiqout_end -ENTRY(floppy_fiqout_start) - subs r9, r9, #1 - ldrgeb r12, [r10], #1 - movlt r12, #0 - strleb r12, [r11], #0 - subles pc, lr, #4 - strb r12, [r11, #-4] - subs pc, lr, #4 -floppy_fiqout_end: diff --git a/ANDROID_3.4.5/arch/arm/lib/getuser.S b/ANDROID_3.4.5/arch/arm/lib/getuser.S deleted file mode 100644 index 9b06bb41..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/getuser.S +++ /dev/null @@ -1,80 +0,0 @@ -/* - * linux/arch/arm/lib/getuser.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Idea from x86 version, (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface to make them more - * efficient, especially as they return an error value in addition to - * the "real" return value. - * - * __get_user_X - * - * Inputs: r0 contains the address - * r1 contains the address limit, which must be preserved - * Outputs: r0 is the error code - * r2 contains the zero-extended value - * lr corrupted - * - * No other registers must be altered. (see <asm/uaccess.h> - * for specific ASM register usage). - * - * Note that ADDR_LIMIT is either 0 or 0xc0000000. - * Note also that it is intended that __get_user_bad is not global. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/domain.h> - -ENTRY(__get_user_1) - check_uaccess r0, 1, r1, r2, __get_user_bad -1: TUSER(ldrb) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__get_user_1) - -ENTRY(__get_user_2) - check_uaccess r0, 2, r1, r2, __get_user_bad -#ifdef CONFIG_CPU_USE_DOMAINS -rb .req ip -2: ldrbt r2, [r0], #1 -3: ldrbt rb, [r0], #0 -#else -rb .req r0 -2: ldrb r2, [r0] -3: ldrb rb, [r0, #1] -#endif -#ifndef __ARMEB__ - orr r2, r2, rb, lsl #8 -#else - orr r2, rb, r2, lsl #8 -#endif - mov r0, #0 - mov pc, lr -ENDPROC(__get_user_2) - -ENTRY(__get_user_4) - check_uaccess r0, 4, r1, r2, __get_user_bad -4: TUSER(ldr) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__get_user_4) - -__get_user_bad: - mov r2, #0 - mov r0, #-EFAULT - mov pc, lr -ENDPROC(__get_user_bad) - -.pushsection __ex_table, "a" - .long 1b, __get_user_bad - .long 2b, __get_user_bad - .long 3b, __get_user_bad - .long 4b, __get_user_bad -.popsection diff --git a/ANDROID_3.4.5/arch/arm/lib/io-acorn.S b/ANDROID_3.4.5/arch/arm/lib/io-acorn.S deleted file mode 100644 index 1b197ea7..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-acorn.S +++ /dev/null @@ -1,31 +0,0 @@ -/* - * linux/arch/arm/lib/io-acorn.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 27/03/03 Ian Molton Clean up CONFIG_CPU - * - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align - -.Liosl_warning: - .ascii "<4>insl/outsl not implemented, called from %08lX\0" - .align - -/* - * These make no sense on Acorn machines. - * Print a warning message. - */ -ENTRY(insl) -ENTRY(outsl) - adr r0, .Liosl_warning - mov r1, lr - b printk diff --git a/ANDROID_3.4.5/arch/arm/lib/io-readsb.S b/ANDROID_3.4.5/arch/arm/lib/io-readsb.S deleted file mode 100644 index 9f423898..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-readsb.S +++ /dev/null @@ -1,123 +0,0 @@ -/* - * linux/arch/arm/lib/io-readsb.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -.Linsb_align: rsb ip, ip, #4 - cmp ip, r2 - movgt ip, r2 - cmp ip, #2 - ldrb r3, [r0] - strb r3, [r1], #1 - ldrgeb r3, [r0] - strgeb r3, [r1], #1 - ldrgtb r3, [r0] - strgtb r3, [r1], #1 - subs r2, r2, ip - bne .Linsb_aligned - -ENTRY(__raw_readsb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .Linsb_align - -.Linsb_aligned: stmfd sp!, {r4 - r6, lr} - - subs r2, r2, #16 - bmi .Linsb_no_16 - -.Linsb_16_lp: ldrb r3, [r0] - ldrb r4, [r0] - ldrb r5, [r0] - mov r3, r3, put_byte_0 - ldrb r6, [r0] - orr r3, r3, r4, put_byte_1 - ldrb r4, [r0] - orr r3, r3, r5, put_byte_2 - ldrb r5, [r0] - orr r3, r3, r6, put_byte_3 - ldrb r6, [r0] - mov r4, r4, put_byte_0 - ldrb ip, [r0] - orr r4, r4, r5, put_byte_1 - ldrb r5, [r0] - orr r4, r4, r6, put_byte_2 - ldrb r6, [r0] - orr r4, r4, ip, put_byte_3 - ldrb ip, [r0] - mov r5, r5, put_byte_0 - ldrb lr, [r0] - orr r5, r5, r6, put_byte_1 - ldrb r6, [r0] - orr r5, r5, ip, put_byte_2 - ldrb ip, [r0] - orr r5, r5, lr, put_byte_3 - ldrb lr, [r0] - mov r6, r6, put_byte_0 - orr r6, r6, ip, put_byte_1 - ldrb ip, [r0] - orr r6, r6, lr, put_byte_2 - orr r6, r6, ip, put_byte_3 - stmia r1!, {r3 - r6} - - subs r2, r2, #16 - bpl .Linsb_16_lp - - tst r2, #15 - ldmeqfd sp!, {r4 - r6, pc} - -.Linsb_no_16: tst r2, #8 - beq .Linsb_no_8 - - ldrb r3, [r0] - ldrb r4, [r0] - ldrb r5, [r0] - mov r3, r3, put_byte_0 - ldrb r6, [r0] - orr r3, r3, r4, put_byte_1 - ldrb r4, [r0] - orr r3, r3, r5, put_byte_2 - ldrb r5, [r0] - orr r3, r3, r6, put_byte_3 - ldrb r6, [r0] - mov r4, r4, put_byte_0 - ldrb ip, [r0] - orr r4, r4, r5, put_byte_1 - orr r4, r4, r6, put_byte_2 - orr r4, r4, ip, put_byte_3 - stmia r1!, {r3, r4} - -.Linsb_no_8: tst r2, #4 - beq .Linsb_no_4 - - ldrb r3, [r0] - ldrb r4, [r0] - ldrb r5, [r0] - ldrb r6, [r0] - mov r3, r3, put_byte_0 - orr r3, r3, r4, put_byte_1 - orr r3, r3, r5, put_byte_2 - orr r3, r3, r6, put_byte_3 - str r3, [r1], #4 - -.Linsb_no_4: ands r2, r2, #3 - ldmeqfd sp!, {r4 - r6, pc} - - cmp r2, #2 - ldrb r3, [r0] - strb r3, [r1], #1 - ldrgeb r3, [r0] - strgeb r3, [r1], #1 - ldrgtb r3, [r0] - strgtb r3, [r1] - - ldmfd sp!, {r4 - r6, pc} -ENDPROC(__raw_readsb) diff --git a/ANDROID_3.4.5/arch/arm/lib/io-readsl.S b/ANDROID_3.4.5/arch/arm/lib/io-readsl.S deleted file mode 100644 index 5fb97e7f..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-readsl.S +++ /dev/null @@ -1,79 +0,0 @@ -/* - * linux/arch/arm/lib/io-readsl.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -ENTRY(__raw_readsl) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne 3f - - subs r2, r2, #4 - bmi 2f - stmfd sp!, {r4, lr} -1: ldr r3, [r0, #0] - ldr r4, [r0, #0] - ldr ip, [r0, #0] - ldr lr, [r0, #0] - subs r2, r2, #4 - stmia r1!, {r3, r4, ip, lr} - bpl 1b - ldmfd sp!, {r4, lr} -2: movs r2, r2, lsl #31 - ldrcs r3, [r0, #0] - ldrcs ip, [r0, #0] - stmcsia r1!, {r3, ip} - ldrne r3, [r0, #0] - strne r3, [r1, #0] - mov pc, lr - -3: ldr r3, [r0] - cmp ip, #2 - mov ip, r3, get_byte_0 - strb ip, [r1], #1 - bgt 6f - mov ip, r3, get_byte_1 - strb ip, [r1], #1 - beq 5f - mov ip, r3, get_byte_2 - strb ip, [r1], #1 - -4: subs r2, r2, #1 - mov ip, r3, pull #24 - ldrne r3, [r0] - orrne ip, ip, r3, push #8 - strne ip, [r1], #4 - bne 4b - b 8f - -5: subs r2, r2, #1 - mov ip, r3, pull #16 - ldrne r3, [r0] - orrne ip, ip, r3, push #16 - strne ip, [r1], #4 - bne 5b - b 7f - -6: subs r2, r2, #1 - mov ip, r3, pull #8 - ldrne r3, [r0] - orrne ip, ip, r3, push #24 - strne ip, [r1], #4 - bne 6b - - mov r3, ip, get_byte_2 - strb r3, [r1, #2] -7: mov r3, ip, get_byte_1 - strb r3, [r1, #1] -8: mov r3, ip, get_byte_0 - strb r3, [r1, #0] - mov pc, lr -ENDPROC(__raw_readsl) diff --git a/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv3.S b/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv3.S deleted file mode 100644 index 88487c8c..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv3.S +++ /dev/null @@ -1,106 +0,0 @@ -/* - * linux/arch/arm/lib/io-readsw-armv3.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -.Linsw_bad_alignment: - adr r0, .Linsw_bad_align_msg - mov r2, lr - b panic -.Linsw_bad_align_msg: - .asciz "insw: bad buffer alignment (0x%p, lr=0x%08lX)\n" - .align - -.Linsw_align: tst r1, #1 - bne .Linsw_bad_alignment - - ldr r3, [r0] - strb r3, [r1], #1 - mov r3, r3, lsr #8 - strb r3, [r1], #1 - - subs r2, r2, #1 - moveq pc, lr - -ENTRY(__raw_readsw) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - tst r1, #3 - bne .Linsw_align - -.Linsw_aligned: mov ip, #0xff - orr ip, ip, ip, lsl #8 - stmfd sp!, {r4, r5, r6, lr} - - subs r2, r2, #8 - bmi .Lno_insw_8 - -.Linsw_8_lp: ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - ldr r4, [r0] - and r4, r4, ip - ldr r5, [r0] - orr r4, r4, r5, lsl #16 - - ldr r5, [r0] - and r5, r5, ip - ldr r6, [r0] - orr r5, r5, r6, lsl #16 - - ldr r6, [r0] - and r6, r6, ip - ldr lr, [r0] - orr r6, r6, lr, lsl #16 - - stmia r1!, {r3 - r6} - - subs r2, r2, #8 - bpl .Linsw_8_lp - - tst r2, #7 - ldmeqfd sp!, {r4, r5, r6, pc} - -.Lno_insw_8: tst r2, #4 - beq .Lno_insw_4 - - ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - ldr r4, [r0] - and r4, r4, ip - ldr r5, [r0] - orr r4, r4, r5, lsl #16 - - stmia r1!, {r3, r4} - -.Lno_insw_4: tst r2, #2 - beq .Lno_insw_2 - - ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - str r3, [r1], #4 - -.Lno_insw_2: tst r2, #1 - ldrne r3, [r0] - strneb r3, [r1], #1 - movne r3, r3, lsr #8 - strneb r3, [r1] - - ldmfd sp!, {r4, r5, r6, pc} - - diff --git a/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv4.S b/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv4.S deleted file mode 100644 index 1f393d42..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-readsw-armv4.S +++ /dev/null @@ -1,131 +0,0 @@ -/* - * linux/arch/arm/lib/io-readsw-armv4.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .macro pack, rd, hw1, hw2 -#ifndef __ARMEB__ - orr \rd, \hw1, \hw2, lsl #16 -#else - orr \rd, \hw2, \hw1, lsl #16 -#endif - .endm - -.Linsw_align: movs ip, r1, lsl #31 - bne .Linsw_noalign - ldrh ip, [r0] - sub r2, r2, #1 - strh ip, [r1], #2 - -ENTRY(__raw_readsw) - teq r2, #0 - moveq pc, lr - tst r1, #3 - bne .Linsw_align - - stmfd sp!, {r4, r5, lr} - - subs r2, r2, #8 - bmi .Lno_insw_8 - -.Linsw_8_lp: ldrh r3, [r0] - ldrh r4, [r0] - pack r3, r3, r4 - - ldrh r4, [r0] - ldrh r5, [r0] - pack r4, r4, r5 - - ldrh r5, [r0] - ldrh ip, [r0] - pack r5, r5, ip - - ldrh ip, [r0] - ldrh lr, [r0] - pack ip, ip, lr - - subs r2, r2, #8 - stmia r1!, {r3 - r5, ip} - bpl .Linsw_8_lp - -.Lno_insw_8: tst r2, #4 - beq .Lno_insw_4 - - ldrh r3, [r0] - ldrh r4, [r0] - pack r3, r3, r4 - - ldrh r4, [r0] - ldrh ip, [r0] - pack r4, r4, ip - - stmia r1!, {r3, r4} - -.Lno_insw_4: movs r2, r2, lsl #31 - bcc .Lno_insw_2 - - ldrh r3, [r0] - ldrh ip, [r0] - pack r3, r3, ip - str r3, [r1], #4 - -.Lno_insw_2: ldrneh r3, [r0] - strneh r3, [r1] - - ldmfd sp!, {r4, r5, pc} - -#ifdef __ARMEB__ -#define _BE_ONLY_(code...) code -#define _LE_ONLY_(code...) -#define push_hbyte0 lsr #8 -#define pull_hbyte1 lsl #24 -#else -#define _BE_ONLY_(code...) -#define _LE_ONLY_(code...) code -#define push_hbyte0 lsl #24 -#define pull_hbyte1 lsr #8 -#endif - -.Linsw_noalign: stmfd sp!, {r4, lr} - ldrccb ip, [r1, #-1]! - bcc 1f - - ldrh ip, [r0] - sub r2, r2, #1 - _BE_ONLY_( mov ip, ip, ror #8 ) - strb ip, [r1], #1 - _LE_ONLY_( mov ip, ip, lsr #8 ) - _BE_ONLY_( mov ip, ip, lsr #24 ) - -1: subs r2, r2, #2 - bmi 3f - _BE_ONLY_( mov ip, ip, lsl #24 ) - -2: ldrh r3, [r0] - ldrh r4, [r0] - subs r2, r2, #2 - orr ip, ip, r3, lsl #8 - orr ip, ip, r4, push_hbyte0 - str ip, [r1], #4 - mov ip, r4, pull_hbyte1 - bpl 2b - - _BE_ONLY_( mov ip, ip, lsr #24 ) - -3: tst r2, #1 - strb ip, [r1], #1 - ldrneh ip, [r0] - _BE_ONLY_( movne ip, ip, ror #8 ) - strneb ip, [r1], #1 - _LE_ONLY_( movne ip, ip, lsr #8 ) - _BE_ONLY_( movne ip, ip, lsr #24 ) - strneb ip, [r1] - ldmfd sp!, {r4, pc} -ENDPROC(__raw_readsw) diff --git a/ANDROID_3.4.5/arch/arm/lib/io-shark.c b/ANDROID_3.4.5/arch/arm/lib/io-shark.c deleted file mode 100644 index 82425394..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-shark.c +++ /dev/null @@ -1,13 +0,0 @@ -/* - * linux/arch/arm/lib/io-shark.c - * - * by Alexander Schulz - * - * derived from: - * linux/arch/arm/lib/io-ebsa.S - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ diff --git a/ANDROID_3.4.5/arch/arm/lib/io-writesb.S b/ANDROID_3.4.5/arch/arm/lib/io-writesb.S deleted file mode 100644 index 68b92f4a..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-writesb.S +++ /dev/null @@ -1,94 +0,0 @@ -/* - * linux/arch/arm/lib/io-writesb.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .macro outword, rd -#ifndef __ARMEB__ - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] -#else - mov lr, \rd, lsr #24 - strb lr, [r0] - mov lr, \rd, lsr #16 - strb lr, [r0] - mov lr, \rd, lsr #8 - strb lr, [r0] - strb \rd, [r0] -#endif - .endm - -.Loutsb_align: rsb ip, ip, #4 - cmp ip, r2 - movgt ip, r2 - cmp ip, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1], #1 - strgtb r3, [r0] - subs r2, r2, ip - bne .Loutsb_aligned - -ENTRY(__raw_writesb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .Loutsb_align - -.Loutsb_aligned: - stmfd sp!, {r4, r5, lr} - - subs r2, r2, #16 - bmi .Loutsb_no_16 - -.Loutsb_16_lp: ldmia r1!, {r3, r4, r5, ip} - outword r3 - outword r4 - outword r5 - outword ip - subs r2, r2, #16 - bpl .Loutsb_16_lp - - tst r2, #15 - ldmeqfd sp!, {r4, r5, pc} - -.Loutsb_no_16: tst r2, #8 - beq .Loutsb_no_8 - - ldmia r1!, {r3, r4} - outword r3 - outword r4 - -.Loutsb_no_8: tst r2, #4 - beq .Loutsb_no_4 - - ldr r3, [r1], #4 - outword r3 - -.Loutsb_no_4: ands r2, r2, #3 - ldmeqfd sp!, {r4, r5, pc} - - cmp r2, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1] - strgtb r3, [r0] - - ldmfd sp!, {r4, r5, pc} -ENDPROC(__raw_writesb) diff --git a/ANDROID_3.4.5/arch/arm/lib/io-writesl.S b/ANDROID_3.4.5/arch/arm/lib/io-writesl.S deleted file mode 100644 index 8d3b7813..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-writesl.S +++ /dev/null @@ -1,67 +0,0 @@ -/* - * linux/arch/arm/lib/io-writesl.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -ENTRY(__raw_writesl) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne 3f - - subs r2, r2, #4 - bmi 2f - stmfd sp!, {r4, lr} -1: ldmia r1!, {r3, r4, ip, lr} - subs r2, r2, #4 - str r3, [r0, #0] - str r4, [r0, #0] - str ip, [r0, #0] - str lr, [r0, #0] - bpl 1b - ldmfd sp!, {r4, lr} -2: movs r2, r2, lsl #31 - ldmcsia r1!, {r3, ip} - strcs r3, [r0, #0] - ldrne r3, [r1, #0] - strcs ip, [r0, #0] - strne r3, [r0, #0] - mov pc, lr - -3: bic r1, r1, #3 - ldr r3, [r1], #4 - cmp ip, #2 - blt 5f - bgt 6f - -4: mov ip, r3, pull #16 - ldr r3, [r1], #4 - subs r2, r2, #1 - orr ip, ip, r3, push #16 - str ip, [r0] - bne 4b - mov pc, lr - -5: mov ip, r3, pull #8 - ldr r3, [r1], #4 - subs r2, r2, #1 - orr ip, ip, r3, push #24 - str ip, [r0] - bne 5b - mov pc, lr - -6: mov ip, r3, pull #24 - ldr r3, [r1], #4 - subs r2, r2, #1 - orr ip, ip, r3, push #8 - str ip, [r0] - bne 6b - mov pc, lr -ENDPROC(__raw_writesl) diff --git a/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv3.S b/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv3.S deleted file mode 100644 index 49b80041..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv3.S +++ /dev/null @@ -1,126 +0,0 @@ -/* - * linux/arch/arm/lib/io-writesw-armv3.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - -.Loutsw_bad_alignment: - adr r0, .Loutsw_bad_align_msg - mov r2, lr - b panic -.Loutsw_bad_align_msg: - .asciz "outsw: bad buffer alignment (0x%p, lr=0x%08lX)\n" - .align - -.Loutsw_align: tst r1, #1 - bne .Loutsw_bad_alignment - - add r1, r1, #2 - - ldr r3, [r1, #-4] - mov r3, r3, lsr #16 - orr r3, r3, r3, lsl #16 - str r3, [r0] - subs r2, r2, #1 - moveq pc, lr - -ENTRY(__raw_writesw) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - tst r1, #3 - bne .Loutsw_align - - stmfd sp!, {r4, r5, r6, lr} - - subs r2, r2, #8 - bmi .Lno_outsw_8 - -.Loutsw_8_lp: ldmia r1!, {r3, r4, r5, r6} - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r4, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r4, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r5, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r5, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r6, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r6, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - subs r2, r2, #8 - bpl .Loutsw_8_lp - - tst r2, #7 - ldmeqfd sp!, {r4, r5, r6, pc} - -.Lno_outsw_8: tst r2, #4 - beq .Lno_outsw_4 - - ldmia r1!, {r3, r4} - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r4, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r4, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - -.Lno_outsw_4: tst r2, #2 - beq .Lno_outsw_2 - - ldr r3, [r1], #4 - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - -.Lno_outsw_2: tst r2, #1 - - ldrne r3, [r1] - - movne ip, r3, lsl #16 - orrne ip, ip, ip, lsr #16 - strne ip, [r0] - - ldmfd sp!, {r4, r5, r6, pc} diff --git a/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv4.S b/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv4.S deleted file mode 100644 index ff4f71b5..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-writesw-armv4.S +++ /dev/null @@ -1,100 +0,0 @@ -/* - * linux/arch/arm/lib/io-writesw-armv4.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .macro outword, rd -#ifndef __ARMEB__ - strh \rd, [r0] - mov \rd, \rd, lsr #16 - strh \rd, [r0] -#else - mov lr, \rd, lsr #16 - strh lr, [r0] - strh \rd, [r0] -#endif - .endm - -.Loutsw_align: movs ip, r1, lsl #31 - bne .Loutsw_noalign - - ldrh r3, [r1], #2 - sub r2, r2, #1 - strh r3, [r0] - -ENTRY(__raw_writesw) - teq r2, #0 - moveq pc, lr - ands r3, r1, #3 - bne .Loutsw_align - - stmfd sp!, {r4, r5, lr} - - subs r2, r2, #8 - bmi .Lno_outsw_8 - -.Loutsw_8_lp: ldmia r1!, {r3, r4, r5, ip} - subs r2, r2, #8 - outword r3 - outword r4 - outword r5 - outword ip - bpl .Loutsw_8_lp - -.Lno_outsw_8: tst r2, #4 - beq .Lno_outsw_4 - - ldmia r1!, {r3, ip} - outword r3 - outword ip - -.Lno_outsw_4: movs r2, r2, lsl #31 - bcc .Lno_outsw_2 - - ldr r3, [r1], #4 - outword r3 - -.Lno_outsw_2: ldrneh r3, [r1] - strneh r3, [r0] - - ldmfd sp!, {r4, r5, pc} - -#ifdef __ARMEB__ -#define pull_hbyte0 lsl #8 -#define push_hbyte1 lsr #24 -#else -#define pull_hbyte0 lsr #24 -#define push_hbyte1 lsl #8 -#endif - -.Loutsw_noalign: - ARM( ldr r3, [r1, -r3]! ) - THUMB( rsb r3, r3, #0 ) - THUMB( ldr r3, [r1, r3] ) - THUMB( sub r1, r3 ) - subcs r2, r2, #1 - bcs 2f - subs r2, r2, #2 - bmi 3f - -1: mov ip, r3, lsr #8 - strh ip, [r0] -2: mov ip, r3, pull_hbyte0 - ldr r3, [r1, #4]! - subs r2, r2, #2 - orr ip, ip, r3, push_hbyte1 - strh ip, [r0] - bpl 1b - - tst r2, #1 -3: movne ip, r3, lsr #8 - strneh ip, [r0] - mov pc, lr -ENDPROC(__raw_writesw) diff --git a/ANDROID_3.4.5/arch/arm/lib/lib1funcs.S b/ANDROID_3.4.5/arch/arm/lib/lib1funcs.S deleted file mode 100644 index c562f649..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/lib1funcs.S +++ /dev/null @@ -1,363 +0,0 @@ -/* - * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines - * - * Author: Nicolas Pitre <nico@fluxnic.net> - * - contributed to gcc-3.4 on Sep 30, 2003 - * - adapted for the Linux kernel on Oct 2, 2003 - */ - -/* Copyright 1995, 1996, 1998, 1999, 2000, 2003 Free Software Foundation, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/unwind.h> - -.macro ARM_DIV_BODY dividend, divisor, result, curbit - -#if __LINUX_ARM_ARCH__ >= 5 - - clz \curbit, \divisor - clz \result, \dividend - sub \result, \curbit, \result - mov \curbit, #1 - mov \divisor, \divisor, lsl \result - mov \curbit, \curbit, lsl \result - mov \result, #0 - -#else - - @ Initially shift the divisor left 3 bits if possible, - @ set curbit accordingly. This allows for curbit to be located - @ at the left end of each 4 bit nibbles in the division loop - @ to save one loop in most cases. - tst \divisor, #0xe0000000 - moveq \divisor, \divisor, lsl #3 - moveq \curbit, #8 - movne \curbit, #1 - - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. -1: cmp \divisor, #0x10000000 - cmplo \divisor, \dividend - movlo \divisor, \divisor, lsl #4 - movlo \curbit, \curbit, lsl #4 - blo 1b - - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. -1: cmp \divisor, #0x80000000 - cmplo \divisor, \dividend - movlo \divisor, \divisor, lsl #1 - movlo \curbit, \curbit, lsl #1 - blo 1b - - mov \result, #0 - -#endif - - @ Division loop -1: cmp \dividend, \divisor - subhs \dividend, \dividend, \divisor - orrhs \result, \result, \curbit - cmp \dividend, \divisor, lsr #1 - subhs \dividend, \dividend, \divisor, lsr #1 - orrhs \result, \result, \curbit, lsr #1 - cmp \dividend, \divisor, lsr #2 - subhs \dividend, \dividend, \divisor, lsr #2 - orrhs \result, \result, \curbit, lsr #2 - cmp \dividend, \divisor, lsr #3 - subhs \dividend, \dividend, \divisor, lsr #3 - orrhs \result, \result, \curbit, lsr #3 - cmp \dividend, #0 @ Early termination? - movnes \curbit, \curbit, lsr #4 @ No, any more bits to do? - movne \divisor, \divisor, lsr #4 - bne 1b - -.endm - - -.macro ARM_DIV2_ORDER divisor, order - -#if __LINUX_ARM_ARCH__ >= 5 - - clz \order, \divisor - rsb \order, \order, #31 - -#else - - cmp \divisor, #(1 << 16) - movhs \divisor, \divisor, lsr #16 - movhs \order, #16 - movlo \order, #0 - - cmp \divisor, #(1 << 8) - movhs \divisor, \divisor, lsr #8 - addhs \order, \order, #8 - - cmp \divisor, #(1 << 4) - movhs \divisor, \divisor, lsr #4 - addhs \order, \order, #4 - - cmp \divisor, #(1 << 2) - addhi \order, \order, #3 - addls \order, \order, \divisor, lsr #1 - -#endif - -.endm - - -.macro ARM_MOD_BODY dividend, divisor, order, spare - -#if __LINUX_ARM_ARCH__ >= 5 - - clz \order, \divisor - clz \spare, \dividend - sub \order, \order, \spare - mov \divisor, \divisor, lsl \order - -#else - - mov \order, #0 - - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. -1: cmp \divisor, #0x10000000 - cmplo \divisor, \dividend - movlo \divisor, \divisor, lsl #4 - addlo \order, \order, #4 - blo 1b - - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. -1: cmp \divisor, #0x80000000 - cmplo \divisor, \dividend - movlo \divisor, \divisor, lsl #1 - addlo \order, \order, #1 - blo 1b - -#endif - - @ Perform all needed substractions to keep only the reminder. - @ Do comparisons in batch of 4 first. - subs \order, \order, #3 @ yes, 3 is intended here - blt 2f - -1: cmp \dividend, \divisor - subhs \dividend, \dividend, \divisor - cmp \dividend, \divisor, lsr #1 - subhs \dividend, \dividend, \divisor, lsr #1 - cmp \dividend, \divisor, lsr #2 - subhs \dividend, \dividend, \divisor, lsr #2 - cmp \dividend, \divisor, lsr #3 - subhs \dividend, \dividend, \divisor, lsr #3 - cmp \dividend, #1 - mov \divisor, \divisor, lsr #4 - subges \order, \order, #4 - bge 1b - - tst \order, #3 - teqne \dividend, #0 - beq 5f - - @ Either 1, 2 or 3 comparison/substractions are left. -2: cmn \order, #2 - blt 4f - beq 3f - cmp \dividend, \divisor - subhs \dividend, \dividend, \divisor - mov \divisor, \divisor, lsr #1 -3: cmp \dividend, \divisor - subhs \dividend, \dividend, \divisor - mov \divisor, \divisor, lsr #1 -4: cmp \dividend, \divisor - subhs \dividend, \dividend, \divisor -5: -.endm - - -ENTRY(__udivsi3) -ENTRY(__aeabi_uidiv) -UNWIND(.fnstart) - - subs r2, r1, #1 - moveq pc, lr - bcc Ldiv0 - cmp r0, r1 - bls 11f - tst r1, r2 - beq 12f - - ARM_DIV_BODY r0, r1, r2, r3 - - mov r0, r2 - mov pc, lr - -11: moveq r0, #1 - movne r0, #0 - mov pc, lr - -12: ARM_DIV2_ORDER r1, r2 - - mov r0, r0, lsr r2 - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__udivsi3) -ENDPROC(__aeabi_uidiv) - -ENTRY(__umodsi3) -UNWIND(.fnstart) - - subs r2, r1, #1 @ compare divisor with 1 - bcc Ldiv0 - cmpne r0, r1 @ compare dividend with divisor - moveq r0, #0 - tsthi r1, r2 @ see if divisor is power of 2 - andeq r0, r0, r2 - movls pc, lr - - ARM_MOD_BODY r0, r1, r2, r3 - - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__umodsi3) - -ENTRY(__divsi3) -ENTRY(__aeabi_idiv) -UNWIND(.fnstart) - - cmp r1, #0 - eor ip, r0, r1 @ save the sign of the result. - beq Ldiv0 - rsbmi r1, r1, #0 @ loops below use unsigned. - subs r2, r1, #1 @ division by 1 or -1 ? - beq 10f - movs r3, r0 - rsbmi r3, r0, #0 @ positive dividend value - cmp r3, r1 - bls 11f - tst r1, r2 @ divisor is power of 2 ? - beq 12f - - ARM_DIV_BODY r3, r1, r0, r2 - - cmp ip, #0 - rsbmi r0, r0, #0 - mov pc, lr - -10: teq ip, r0 @ same sign ? - rsbmi r0, r0, #0 - mov pc, lr - -11: movlo r0, #0 - moveq r0, ip, asr #31 - orreq r0, r0, #1 - mov pc, lr - -12: ARM_DIV2_ORDER r1, r2 - - cmp ip, #0 - mov r0, r3, lsr r2 - rsbmi r0, r0, #0 - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__divsi3) -ENDPROC(__aeabi_idiv) - -ENTRY(__modsi3) -UNWIND(.fnstart) - - cmp r1, #0 - beq Ldiv0 - rsbmi r1, r1, #0 @ loops below use unsigned. - movs ip, r0 @ preserve sign of dividend - rsbmi r0, r0, #0 @ if negative make positive - subs r2, r1, #1 @ compare divisor with 1 - cmpne r0, r1 @ compare dividend with divisor - moveq r0, #0 - tsthi r1, r2 @ see if divisor is power of 2 - andeq r0, r0, r2 - bls 10f - - ARM_MOD_BODY r0, r1, r2, r3 - -10: cmp ip, #0 - rsbmi r0, r0, #0 - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__modsi3) - -#ifdef CONFIG_AEABI - -ENTRY(__aeabi_uidivmod) -UNWIND(.fnstart) -UNWIND(.save {r0, r1, ip, lr} ) - - stmfd sp!, {r0, r1, ip, lr} - bl __aeabi_uidiv - ldmfd sp!, {r1, r2, ip, lr} - mul r3, r0, r2 - sub r1, r1, r3 - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__aeabi_uidivmod) - -ENTRY(__aeabi_idivmod) -UNWIND(.fnstart) -UNWIND(.save {r0, r1, ip, lr} ) - stmfd sp!, {r0, r1, ip, lr} - bl __aeabi_idiv - ldmfd sp!, {r1, r2, ip, lr} - mul r3, r0, r2 - sub r1, r1, r3 - mov pc, lr - -UNWIND(.fnend) -ENDPROC(__aeabi_idivmod) - -#endif - -Ldiv0: -UNWIND(.fnstart) -UNWIND(.pad #4) -UNWIND(.save {lr}) - str lr, [sp, #-8]! - bl __div0 - mov r0, #0 @ About as wrong as it could be. - ldr pc, [sp], #8 -UNWIND(.fnend) -ENDPROC(Ldiv0) diff --git a/ANDROID_3.4.5/arch/arm/lib/lshrdi3.S b/ANDROID_3.4.5/arch/arm/lib/lshrdi3.S deleted file mode 100644 index f83d4491..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/lshrdi3.S +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 - Free Software Foundation, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -This file is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define al r1 -#define ah r0 -#else -#define al r0 -#define ah r1 -#endif - -ENTRY(__lshrdi3) -ENTRY(__aeabi_llsr) - - subs r3, r2, #32 - rsb ip, r2, #32 - movmi al, al, lsr r2 - movpl al, ah, lsr r3 - ARM( orrmi al, al, ah, lsl ip ) - THUMB( lslmi r3, ah, ip ) - THUMB( orrmi al, al, r3 ) - mov ah, ah, lsr r2 - mov pc, lr - -ENDPROC(__lshrdi3) -ENDPROC(__aeabi_llsr) diff --git a/ANDROID_3.4.5/arch/arm/lib/memchr.S b/ANDROID_3.4.5/arch/arm/lib/memchr.S deleted file mode 100644 index 1da86991..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/memchr.S +++ /dev/null @@ -1,26 +0,0 @@ -/* - * linux/arch/arm/lib/memchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(memchr) -1: subs r2, r2, #1 - bmi 2f - ldrb r3, [r0], #1 - teq r3, r1 - bne 1b - sub r0, r0, #1 -2: movne r0, #0 - mov pc, lr -ENDPROC(memchr) diff --git a/ANDROID_3.4.5/arch/arm/lib/memcpy.S b/ANDROID_3.4.5/arch/arm/lib/memcpy.S deleted file mode 100644 index a9b9e228..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/memcpy.S +++ /dev/null @@ -1,63 +0,0 @@ -/* - * linux/arch/arm/lib/memcpy.S - * - * Author: Nicolas Pitre - * Created: Sep 28, 2005 - * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -#define LDR1W_SHIFT 0 -#define STR1W_SHIFT 0 - - .macro ldr1w ptr reg abort - W(ldr) \reg, [\ptr], #4 - .endm - - .macro ldr4w ptr reg1 reg2 reg3 reg4 abort - ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4} - .endm - - .macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8} - .endm - - .macro ldr1b ptr reg cond=al abort - ldr\cond\()b \reg, [\ptr], #1 - .endm - - .macro str1w ptr reg abort - W(str) \reg, [\ptr], #4 - .endm - - .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8} - .endm - - .macro str1b ptr reg cond=al abort - str\cond\()b \reg, [\ptr], #1 - .endm - - .macro enter reg1 reg2 - stmdb sp!, {r0, \reg1, \reg2} - .endm - - .macro exit reg1 reg2 - ldmfd sp!, {r0, \reg1, \reg2} - .endm - - .text - -/* Prototype: void *memcpy(void *dest, const void *src, size_t n); */ - -ENTRY(memcpy) - -#include "copy_template.S" - -ENDPROC(memcpy) diff --git a/ANDROID_3.4.5/arch/arm/lib/memmove.S b/ANDROID_3.4.5/arch/arm/lib/memmove.S deleted file mode 100644 index 938fc14f..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/memmove.S +++ /dev/null @@ -1,199 +0,0 @@ -/* - * linux/arch/arm/lib/memmove.S - * - * Author: Nicolas Pitre - * Created: Sep 28, 2005 - * Copyright: (C) MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* - * Prototype: void *memmove(void *dest, const void *src, size_t n); - * - * Note: - * - * If the memory regions don't overlap, we simply branch to memcpy which is - * normally a bit faster. Otherwise the copy is done going downwards. This - * is a transposition of the code from copy_template.S but with the copy - * occurring in the opposite direction. - */ - -ENTRY(memmove) - - subs ip, r0, r1 - cmphi r2, ip - bls memcpy - - stmfd sp!, {r0, r4, lr} - add r1, r1, r2 - add r0, r0, r2 - subs r2, r2, #4 - blt 8f - ands ip, r0, #3 - PLD( pld [r1, #-4] ) - bne 9f - ands ip, r1, #3 - bne 10f - -1: subs r2, r2, #(28) - stmfd sp!, {r5 - r8} - blt 5f - - CALGN( ands ip, r0, #31 ) - CALGN( sbcnes r4, ip, r2 ) @ C is always set here - CALGN( bcs 2f ) - CALGN( adr r4, 6f ) - CALGN( subs r2, r2, ip ) @ C is set here - CALGN( rsb ip, ip, #32 ) - CALGN( add pc, r4, ip ) - - PLD( pld [r1, #-4] ) -2: PLD( subs r2, r2, #96 ) - PLD( pld [r1, #-32] ) - PLD( blt 4f ) - PLD( pld [r1, #-64] ) - PLD( pld [r1, #-96] ) - -3: PLD( pld [r1, #-128] ) -4: ldmdb r1!, {r3, r4, r5, r6, r7, r8, ip, lr} - subs r2, r2, #32 - stmdb r0!, {r3, r4, r5, r6, r7, r8, ip, lr} - bge 3b - PLD( cmn r2, #96 ) - PLD( bge 4b ) - -5: ands ip, r2, #28 - rsb ip, ip, #32 - addne pc, pc, ip @ C is always clear here - b 7f -6: W(nop) - W(ldr) r3, [r1, #-4]! - W(ldr) r4, [r1, #-4]! - W(ldr) r5, [r1, #-4]! - W(ldr) r6, [r1, #-4]! - W(ldr) r7, [r1, #-4]! - W(ldr) r8, [r1, #-4]! - W(ldr) lr, [r1, #-4]! - - add pc, pc, ip - nop - W(nop) - W(str) r3, [r0, #-4]! - W(str) r4, [r0, #-4]! - W(str) r5, [r0, #-4]! - W(str) r6, [r0, #-4]! - W(str) r7, [r0, #-4]! - W(str) r8, [r0, #-4]! - W(str) lr, [r0, #-4]! - - CALGN( bcs 2b ) - -7: ldmfd sp!, {r5 - r8} - -8: movs r2, r2, lsl #31 - ldrneb r3, [r1, #-1]! - ldrcsb r4, [r1, #-1]! - ldrcsb ip, [r1, #-1] - strneb r3, [r0, #-1]! - strcsb r4, [r0, #-1]! - strcsb ip, [r0, #-1] - ldmfd sp!, {r0, r4, pc} - -9: cmp ip, #2 - ldrgtb r3, [r1, #-1]! - ldrgeb r4, [r1, #-1]! - ldrb lr, [r1, #-1]! - strgtb r3, [r0, #-1]! - strgeb r4, [r0, #-1]! - subs r2, r2, ip - strb lr, [r0, #-1]! - blt 8b - ands ip, r1, #3 - beq 1b - -10: bic r1, r1, #3 - cmp ip, #2 - ldr r3, [r1, #0] - beq 17f - blt 18f - - - .macro backward_copy_shift push pull - - subs r2, r2, #28 - blt 14f - - CALGN( ands ip, r0, #31 ) - CALGN( sbcnes r4, ip, r2 ) @ C is always set here - CALGN( subcc r2, r2, ip ) - CALGN( bcc 15f ) - -11: stmfd sp!, {r5 - r9} - - PLD( pld [r1, #-4] ) - PLD( subs r2, r2, #96 ) - PLD( pld [r1, #-32] ) - PLD( blt 13f ) - PLD( pld [r1, #-64] ) - PLD( pld [r1, #-96] ) - -12: PLD( pld [r1, #-128] ) -13: ldmdb r1!, {r7, r8, r9, ip} - mov lr, r3, push #\push - subs r2, r2, #32 - ldmdb r1!, {r3, r4, r5, r6} - orr lr, lr, ip, pull #\pull - mov ip, ip, push #\push - orr ip, ip, r9, pull #\pull - mov r9, r9, push #\push - orr r9, r9, r8, pull #\pull - mov r8, r8, push #\push - orr r8, r8, r7, pull #\pull - mov r7, r7, push #\push - orr r7, r7, r6, pull #\pull - mov r6, r6, push #\push - orr r6, r6, r5, pull #\pull - mov r5, r5, push #\push - orr r5, r5, r4, pull #\pull - mov r4, r4, push #\push - orr r4, r4, r3, pull #\pull - stmdb r0!, {r4 - r9, ip, lr} - bge 12b - PLD( cmn r2, #96 ) - PLD( bge 13b ) - - ldmfd sp!, {r5 - r9} - -14: ands ip, r2, #28 - beq 16f - -15: mov lr, r3, push #\push - ldr r3, [r1, #-4]! - subs ip, ip, #4 - orr lr, lr, r3, pull #\pull - str lr, [r0, #-4]! - bgt 15b - CALGN( cmp r2, #0 ) - CALGN( bge 11b ) - -16: add r1, r1, #(\pull / 8) - b 8b - - .endm - - - backward_copy_shift push=8 pull=24 - -17: backward_copy_shift push=16 pull=16 - -18: backward_copy_shift push=24 pull=8 - -ENDPROC(memmove) diff --git a/ANDROID_3.4.5/arch/arm/lib/memset.S b/ANDROID_3.4.5/arch/arm/lib/memset.S deleted file mode 100644 index 650d5923..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/memset.S +++ /dev/null @@ -1,127 +0,0 @@ -/* - * linux/arch/arm/lib/memset.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 - .word 0 - -1: subs r2, r2, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r1, [r0], #1 @ 1 - strleb r1, [r0], #1 @ 1 - strb r1, [r0], #1 @ 1 - add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memset again. - */ - -ENTRY(memset) - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -/* - * we know that the pointer in r0 is aligned to a word boundary. - */ - orr r1, r1, r1, lsl #8 - orr r1, r1, r1, lsl #16 - mov r3, r1 - cmp r2, #16 - blt 4f - -#if ! CALGN(1)+0 - -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! - mov ip, r1 - mov lr, r1 - -2: subs r2, r2, #64 - stmgeia r0!, {r1, r3, ip, lr} @ 64 bytes at a time. - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} - bgt 2b - ldmeqfd sp!, {pc} @ Now <64 bytes to go. -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r2, #32 - stmneia r0!, {r1, r3, ip, lr} - stmneia r0!, {r1, r3, ip, lr} - tst r2, #16 - stmneia r0!, {r1, r3, ip, lr} - ldr lr, [sp], #4 - -#else - -/* - * This version aligns the destination pointer in order to write - * whole cache lines at once. - */ - - stmfd sp!, {r4-r7, lr} - mov r4, r1 - mov r5, r1 - mov r6, r1 - mov r7, r1 - mov ip, r1 - mov lr, r1 - - cmp r2, #96 - tstgt r0, #31 - ble 3f - - and ip, r0, #31 - rsb ip, ip, #32 - sub r2, r2, ip - movs ip, ip, lsl #(32 - 4) - stmcsia r0!, {r4, r5, r6, r7} - stmmiia r0!, {r4, r5} - tst ip, #(1 << 30) - mov ip, r1 - strne r1, [r0], #4 - -3: subs r2, r2, #64 - stmgeia r0!, {r1, r3-r7, ip, lr} - stmgeia r0!, {r1, r3-r7, ip, lr} - bgt 3b - ldmeqfd sp!, {r4-r7, pc} - - tst r2, #32 - stmneia r0!, {r1, r3-r7, ip, lr} - tst r2, #16 - stmneia r0!, {r4-r7} - ldmfd sp!, {r4-r7, lr} - -#endif - -4: tst r2, #8 - stmneia r0!, {r1, r3} - tst r2, #4 - strne r1, [r0], #4 -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -5: tst r2, #2 - strneb r1, [r0], #1 - strneb r1, [r0], #1 - tst r2, #1 - strneb r1, [r0], #1 - mov pc, lr -ENDPROC(memset) diff --git a/ANDROID_3.4.5/arch/arm/lib/memzero.S b/ANDROID_3.4.5/arch/arm/lib/memzero.S deleted file mode 100644 index 3fbdef5f..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/memzero.S +++ /dev/null @@ -1,125 +0,0 @@ -/* - * linux/arch/arm/lib/memzero.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 - .word 0 -/* - * Align the pointer in r0. r3 contains the number of bytes that we are - * mis-aligned by, and r1 is the number of bytes. If r1 < 4, then we - * don't bother; we use byte stores instead. - */ -1: subs r1, r1, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r2, [r0], #1 @ 1 - strleb r2, [r0], #1 @ 1 - strb r2, [r0], #1 @ 1 - add r1, r1, r3 @ 1 (r1 = r1 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memzero again. - */ - -ENTRY(__memzero) - mov r2, #0 @ 1 - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -/* - * r3 = 0, and we know that the pointer in r0 is aligned to a word boundary. - */ - cmp r1, #16 @ 1 we can skip this chunk if we - blt 4f @ 1 have < 16 bytes - -#if ! CALGN(1)+0 - -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! @ 1 - mov ip, r2 @ 1 - mov lr, r2 @ 1 - -3: subs r1, r1, #64 @ 1 write 32 bytes out per loop - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - bgt 3b @ 1 - ldmeqfd sp!, {pc} @ 1/2 quick exit -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r1, #32 @ 1 - stmneia r0!, {r2, r3, ip, lr} @ 4 - stmneia r0!, {r2, r3, ip, lr} @ 4 - tst r1, #16 @ 1 16 bytes or more? - stmneia r0!, {r2, r3, ip, lr} @ 4 - ldr lr, [sp], #4 @ 1 - -#else - -/* - * This version aligns the destination pointer in order to write - * whole cache lines at once. - */ - - stmfd sp!, {r4-r7, lr} - mov r4, r2 - mov r5, r2 - mov r6, r2 - mov r7, r2 - mov ip, r2 - mov lr, r2 - - cmp r1, #96 - andgts ip, r0, #31 - ble 3f - - rsb ip, ip, #32 - sub r1, r1, ip - movs ip, ip, lsl #(32 - 4) - stmcsia r0!, {r4, r5, r6, r7} - stmmiia r0!, {r4, r5} - movs ip, ip, lsl #2 - strcs r2, [r0], #4 - -3: subs r1, r1, #64 - stmgeia r0!, {r2-r7, ip, lr} - stmgeia r0!, {r2-r7, ip, lr} - bgt 3b - ldmeqfd sp!, {r4-r7, pc} - - tst r1, #32 - stmneia r0!, {r2-r7, ip, lr} - tst r1, #16 - stmneia r0!, {r4-r7} - ldmfd sp!, {r4-r7, lr} - -#endif - -4: tst r1, #8 @ 1 8 bytes or more? - stmneia r0!, {r2, r3} @ 2 - tst r1, #4 @ 1 4 bytes or more? - strne r2, [r0], #4 @ 1 -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -5: tst r1, #2 @ 1 2 bytes or more? - strneb r2, [r0], #1 @ 1 - strneb r2, [r0], #1 @ 1 - tst r1, #1 @ 1 a byte left over - strneb r2, [r0], #1 @ 1 - mov pc, lr @ 1 -ENDPROC(__memzero) diff --git a/ANDROID_3.4.5/arch/arm/lib/muldi3.S b/ANDROID_3.4.5/arch/arm/lib/muldi3.S deleted file mode 100644 index 36c91b49..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/muldi3.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * linux/arch/arm/lib/muldi3.S - * - * Author: Nicolas Pitre - * Created: Oct 19, 2005 - * Copyright: Monta Vista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define xh r0 -#define xl r1 -#define yh r2 -#define yl r3 -#else -#define xl r0 -#define xh r1 -#define yl r2 -#define yh r3 -#endif - -ENTRY(__muldi3) -ENTRY(__aeabi_lmul) - - mul xh, yl, xh - mla xh, xl, yh, xh - mov ip, xl, lsr #16 - mov yh, yl, lsr #16 - bic xl, xl, ip, lsl #16 - bic yl, yl, yh, lsl #16 - mla xh, yh, ip, xh - mul yh, xl, yh - mul xl, yl, xl - mul ip, yl, ip - adds xl, xl, yh, lsl #16 - adc xh, xh, yh, lsr #16 - adds xl, xl, ip, lsl #16 - adc xh, xh, ip, lsr #16 - mov pc, lr - -ENDPROC(__muldi3) -ENDPROC(__aeabi_lmul) diff --git a/ANDROID_3.4.5/arch/arm/lib/putuser.S b/ANDROID_3.4.5/arch/arm/lib/putuser.S deleted file mode 100644 index 3d73dcb9..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/putuser.S +++ /dev/null @@ -1,98 +0,0 @@ -/* - * linux/arch/arm/lib/putuser.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Idea from x86 version, (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface to make - * them more efficient, especially as they return an error - * value in addition to the "real" return value. - * - * __put_user_X - * - * Inputs: r0 contains the address - * r1 contains the address limit, which must be preserved - * r2, r3 contains the value - * Outputs: r0 is the error code - * lr corrupted - * - * No other registers must be altered. (see <asm/uaccess.h> - * for specific ASM register usage). - * - * Note that ADDR_LIMIT is either 0 or 0xc0000000 - * Note also that it is intended that __put_user_bad is not global. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/domain.h> - -ENTRY(__put_user_1) - check_uaccess r0, 1, r1, ip, __put_user_bad -1: TUSER(strb) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_1) - -ENTRY(__put_user_2) - check_uaccess r0, 2, r1, ip, __put_user_bad - mov ip, r2, lsr #8 -#ifdef CONFIG_THUMB2_KERNEL -#ifndef __ARMEB__ -2: TUSER(strb) r2, [r0] -3: TUSER(strb) ip, [r0, #1] -#else -2: TUSER(strb) ip, [r0] -3: TUSER(strb) r2, [r0, #1] -#endif -#else /* !CONFIG_THUMB2_KERNEL */ -#ifndef __ARMEB__ -2: TUSER(strb) r2, [r0], #1 -3: TUSER(strb) ip, [r0] -#else -2: TUSER(strb) ip, [r0], #1 -3: TUSER(strb) r2, [r0] -#endif -#endif /* CONFIG_THUMB2_KERNEL */ - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_2) - -ENTRY(__put_user_4) - check_uaccess r0, 4, r1, ip, __put_user_bad -4: TUSER(str) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_4) - -ENTRY(__put_user_8) - check_uaccess r0, 8, r1, ip, __put_user_bad -#ifdef CONFIG_THUMB2_KERNEL -5: TUSER(str) r2, [r0] -6: TUSER(str) r3, [r0, #4] -#else -5: TUSER(str) r2, [r0], #4 -6: TUSER(str) r3, [r0] -#endif - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_8) - -__put_user_bad: - mov r0, #-EFAULT - mov pc, lr -ENDPROC(__put_user_bad) - -.pushsection __ex_table, "a" - .long 1b, __put_user_bad - .long 2b, __put_user_bad - .long 3b, __put_user_bad - .long 4b, __put_user_bad - .long 5b, __put_user_bad - .long 6b, __put_user_bad -.popsection diff --git a/ANDROID_3.4.5/arch/arm/lib/setbit.S b/ANDROID_3.4.5/arch/arm/lib/setbit.S deleted file mode 100644 index 618fedae..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/setbit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/setbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -bitop _set_bit, orr diff --git a/ANDROID_3.4.5/arch/arm/lib/strchr.S b/ANDROID_3.4.5/arch/arm/lib/strchr.S deleted file mode 100644 index d8f2a1c1..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/strchr.S +++ /dev/null @@ -1,27 +0,0 @@ -/* - * linux/arch/arm/lib/strchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(strchr) - and r1, r1, #0xff -1: ldrb r2, [r0], #1 - teq r2, r1 - teqne r2, #0 - bne 1b - teq r2, r1 - movne r0, #0 - subeq r0, r0, #1 - mov pc, lr -ENDPROC(strchr) diff --git a/ANDROID_3.4.5/arch/arm/lib/strncpy_from_user.S b/ANDROID_3.4.5/arch/arm/lib/strncpy_from_user.S deleted file mode 100644 index f202d7bd..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/strncpy_from_user.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * linux/arch/arm/lib/strncpy_from_user.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> - - .text - .align 5 - -/* - * Copy a string from user space to kernel space. - * r0 = dst, r1 = src, r2 = byte length - * returns the number of characters copied (strlen of copied string), - * -EFAULT on exception, or "len" if we fill the whole buffer - */ -ENTRY(__strncpy_from_user) - mov ip, r1 -1: subs r2, r2, #1 - ldrusr r3, r1, 1, pl - bmi 2f - strb r3, [r0], #1 - teq r3, #0 - bne 1b - sub r1, r1, #1 @ take NUL character out of count -2: sub r0, r1, ip - mov pc, lr -ENDPROC(__strncpy_from_user) - - .pushsection .fixup,"ax" - .align 0 -9001: mov r3, #0 - strb r3, [r0, #0] @ null terminate - mov r0, #-EFAULT - mov pc, lr - .popsection - diff --git a/ANDROID_3.4.5/arch/arm/lib/strnlen_user.S b/ANDROID_3.4.5/arch/arm/lib/strnlen_user.S deleted file mode 100644 index 0ecbb459..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/strnlen_user.S +++ /dev/null @@ -1,40 +0,0 @@ -/* - * linux/arch/arm/lib/strnlen_user.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> - - .text - .align 5 - -/* Prototype: unsigned long __strnlen_user(const char *str, long n) - * Purpose : get length of a string in user memory - * Params : str - address of string in user memory - * Returns : length of string *including terminator* - * or zero on exception, or n + 1 if too long - */ -ENTRY(__strnlen_user) - mov r2, r0 -1: - ldrusr r3, r0, 1 - teq r3, #0 - beq 2f - subs r1, r1, #1 - bne 1b - add r0, r0, #1 -2: sub r0, r0, r2 - mov pc, lr -ENDPROC(__strnlen_user) - - .pushsection .fixup,"ax" - .align 0 -9001: mov r0, #0 - mov pc, lr - .popsection diff --git a/ANDROID_3.4.5/arch/arm/lib/strrchr.S b/ANDROID_3.4.5/arch/arm/lib/strrchr.S deleted file mode 100644 index 302f20cd..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/strrchr.S +++ /dev/null @@ -1,26 +0,0 @@ -/* - * linux/arch/arm/lib/strrchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(strrchr) - mov r3, #0 -1: ldrb r2, [r0], #1 - teq r2, r1 - subeq r3, r0, #1 - teq r2, #0 - bne 1b - mov r0, r3 - mov pc, lr -ENDPROC(strrchr) diff --git a/ANDROID_3.4.5/arch/arm/lib/testchangebit.S b/ANDROID_3.4.5/arch/arm/lib/testchangebit.S deleted file mode 100644 index 4becdc3a..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/testchangebit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/testchangebit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -testop _test_and_change_bit, eor, str diff --git a/ANDROID_3.4.5/arch/arm/lib/testclearbit.S b/ANDROID_3.4.5/arch/arm/lib/testclearbit.S deleted file mode 100644 index 918841dc..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/testclearbit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/testclearbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -testop _test_and_clear_bit, bicne, strne diff --git a/ANDROID_3.4.5/arch/arm/lib/testsetbit.S b/ANDROID_3.4.5/arch/arm/lib/testsetbit.S deleted file mode 100644 index 8d1b2fe9..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/testsetbit.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * linux/arch/arm/lib/testsetbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -testop _test_and_set_bit, orreq, streq diff --git a/ANDROID_3.4.5/arch/arm/lib/uaccess.S b/ANDROID_3.4.5/arch/arm/lib/uaccess.S deleted file mode 100644 index 5c908b1c..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/uaccess.S +++ /dev/null @@ -1,564 +0,0 @@ -/* - * linux/arch/arm/lib/uaccess.S - * - * Copyright (C) 1995, 1996,1997,1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Routines to block copy data to/from user memory - * These are highly optimised both for the 4k page size - * and for various alignments. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/domain.h> - - .text - -#define PAGE_SHIFT 12 - -/* Prototype: int __copy_to_user(void *to, const char *from, size_t n) - * Purpose : copy a block to user memory from kernel memory - * Params : to - user memory - * : from - kernel memory - * : n - number of bytes to copy - * Returns : Number of bytes NOT copied. - */ - -.Lc2u_dest_not_aligned: - rsb ip, ip, #4 - cmp ip, #2 - ldrb r3, [r1], #1 -USER( TUSER( strb) r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( TUSER( strgeb) r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #1 -USER( TUSER( strgtb) r3, [r0], #1) @ May fault - sub r2, r2, ip - b .Lc2u_dest_aligned - -ENTRY(__copy_to_user) - stmfd sp!, {r2, r4 - r7, lr} - cmp r2, #4 - blt .Lc2u_not_enough - ands ip, r0, #3 - bne .Lc2u_dest_not_aligned -.Lc2u_dest_aligned: - - ands ip, r1, #3 - bne .Lc2u_src_not_aligned -/* - * Seeing as there has to be at least 8 bytes to copy, we can - * copy one word, and force a user-mode page fault... - */ - -.Lc2u_0fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lc2u_0nowords - ldr r3, [r1], #4 -USER( TUSER( str) r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lc2u_0fupi -/* - * ip = max no. of bytes to copy before needing another "strt" insn - */ - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #32 - blt .Lc2u_0rem8lp - -.Lc2u_0cpy8lp: ldmia r1!, {r3 - r6} - stmia r0!, {r3 - r6} @ Shouldnt fault - ldmia r1!, {r3 - r6} - subs ip, ip, #32 - stmia r0!, {r3 - r6} @ Shouldnt fault - bpl .Lc2u_0cpy8lp - -.Lc2u_0rem8lp: cmn ip, #16 - ldmgeia r1!, {r3 - r6} - stmgeia r0!, {r3 - r6} @ Shouldnt fault - tst ip, #8 - ldmneia r1!, {r3 - r4} - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - ldrne r3, [r1], #4 - TUSER( strne) r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .Lc2u_0fupi -.Lc2u_0nowords: teq ip, #0 - beq .Lc2u_finished -.Lc2u_nowords: cmp ip, #2 - ldrb r3, [r1], #1 -USER( TUSER( strb) r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( TUSER( strgeb) r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #1 -USER( TUSER( strgtb) r3, [r0], #1) @ May fault - b .Lc2u_finished - -.Lc2u_not_enough: - movs ip, r2 - bne .Lc2u_nowords -.Lc2u_finished: mov r0, #0 - ldmfd sp!, {r2, r4 - r7, pc} - -.Lc2u_src_not_aligned: - bic r1, r1, #3 - ldr r7, [r1], #4 - cmp ip, #2 - bgt .Lc2u_3fupi - beq .Lc2u_2fupi -.Lc2u_1fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lc2u_1nowords - mov r3, r7, pull #8 - ldr r7, [r1], #4 - orr r3, r3, r7, push #24 -USER( TUSER( str) r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lc2u_1fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lc2u_1rem8lp - -.Lc2u_1cpy8lp: mov r3, r7, pull #8 - ldmia r1!, {r4 - r7} - subs ip, ip, #16 - orr r3, r3, r4, push #24 - mov r4, r4, pull #8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - stmia r0!, {r3 - r6} @ Shouldnt fault - bpl .Lc2u_1cpy8lp - -.Lc2u_1rem8lp: tst ip, #8 - movne r3, r7, pull #8 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #24 - movne r4, r4, pull #8 - orrne r4, r4, r7, push #24 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #8 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #24 - TUSER( strne) r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .Lc2u_1fupi -.Lc2u_1nowords: mov r3, r7, get_byte_1 - teq ip, #0 - beq .Lc2u_finished - cmp ip, #2 -USER( TUSER( strb) r3, [r0], #1) @ May fault - movge r3, r7, get_byte_2 -USER( TUSER( strgeb) r3, [r0], #1) @ May fault - movgt r3, r7, get_byte_3 -USER( TUSER( strgtb) r3, [r0], #1) @ May fault - b .Lc2u_finished - -.Lc2u_2fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lc2u_2nowords - mov r3, r7, pull #16 - ldr r7, [r1], #4 - orr r3, r3, r7, push #16 -USER( TUSER( str) r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lc2u_2fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lc2u_2rem8lp - -.Lc2u_2cpy8lp: mov r3, r7, pull #16 - ldmia r1!, {r4 - r7} - subs ip, ip, #16 - orr r3, r3, r4, push #16 - mov r4, r4, pull #16 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - stmia r0!, {r3 - r6} @ Shouldnt fault - bpl .Lc2u_2cpy8lp - -.Lc2u_2rem8lp: tst ip, #8 - movne r3, r7, pull #16 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #16 - movne r4, r4, pull #16 - orrne r4, r4, r7, push #16 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #16 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #16 - TUSER( strne) r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .Lc2u_2fupi -.Lc2u_2nowords: mov r3, r7, get_byte_2 - teq ip, #0 - beq .Lc2u_finished - cmp ip, #2 -USER( TUSER( strb) r3, [r0], #1) @ May fault - movge r3, r7, get_byte_3 -USER( TUSER( strgeb) r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #0 -USER( TUSER( strgtb) r3, [r0], #1) @ May fault - b .Lc2u_finished - -.Lc2u_3fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lc2u_3nowords - mov r3, r7, pull #24 - ldr r7, [r1], #4 - orr r3, r3, r7, push #8 -USER( TUSER( str) r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lc2u_3fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lc2u_3rem8lp - -.Lc2u_3cpy8lp: mov r3, r7, pull #24 - ldmia r1!, {r4 - r7} - subs ip, ip, #16 - orr r3, r3, r4, push #8 - mov r4, r4, pull #24 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - stmia r0!, {r3 - r6} @ Shouldnt fault - bpl .Lc2u_3cpy8lp - -.Lc2u_3rem8lp: tst ip, #8 - movne r3, r7, pull #24 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #8 - movne r4, r4, pull #24 - orrne r4, r4, r7, push #8 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #24 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #8 - TUSER( strne) r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .Lc2u_3fupi -.Lc2u_3nowords: mov r3, r7, get_byte_3 - teq ip, #0 - beq .Lc2u_finished - cmp ip, #2 -USER( TUSER( strb) r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( TUSER( strgeb) r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #0 -USER( TUSER( strgtb) r3, [r0], #1) @ May fault - b .Lc2u_finished -ENDPROC(__copy_to_user) - - .pushsection .fixup,"ax" - .align 0 -9001: ldmfd sp!, {r0, r4 - r7, pc} - .popsection - -/* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n); - * Purpose : copy a block from user memory to kernel memory - * Params : to - kernel memory - * : from - user memory - * : n - number of bytes to copy - * Returns : Number of bytes NOT copied. - */ -.Lcfu_dest_not_aligned: - rsb ip, ip, #4 - cmp ip, #2 -USER( TUSER( ldrb) r3, [r1], #1) @ May fault - strb r3, [r0], #1 -USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - sub r2, r2, ip - b .Lcfu_dest_aligned - -ENTRY(__copy_from_user) - stmfd sp!, {r0, r2, r4 - r7, lr} - cmp r2, #4 - blt .Lcfu_not_enough - ands ip, r0, #3 - bne .Lcfu_dest_not_aligned -.Lcfu_dest_aligned: - ands ip, r1, #3 - bne .Lcfu_src_not_aligned - -/* - * Seeing as there has to be at least 8 bytes to copy, we can - * copy one word, and force a user-mode page fault... - */ - -.Lcfu_0fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lcfu_0nowords -USER( TUSER( ldr) r3, [r1], #4) - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lcfu_0fupi -/* - * ip = max no. of bytes to copy before needing another "strt" insn - */ - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #32 - blt .Lcfu_0rem8lp - -.Lcfu_0cpy8lp: ldmia r1!, {r3 - r6} @ Shouldnt fault - stmia r0!, {r3 - r6} - ldmia r1!, {r3 - r6} @ Shouldnt fault - subs ip, ip, #32 - stmia r0!, {r3 - r6} - bpl .Lcfu_0cpy8lp - -.Lcfu_0rem8lp: cmn ip, #16 - ldmgeia r1!, {r3 - r6} @ Shouldnt fault - stmgeia r0!, {r3 - r6} - tst ip, #8 - ldmneia r1!, {r3 - r4} @ Shouldnt fault - stmneia r0!, {r3 - r4} - tst ip, #4 - TUSER( ldrne) r3, [r1], #4 @ Shouldnt fault - strne r3, [r0], #4 - ands ip, ip, #3 - beq .Lcfu_0fupi -.Lcfu_0nowords: teq ip, #0 - beq .Lcfu_finished -.Lcfu_nowords: cmp ip, #2 -USER( TUSER( ldrb) r3, [r1], #1) @ May fault - strb r3, [r0], #1 -USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - b .Lcfu_finished - -.Lcfu_not_enough: - movs ip, r2 - bne .Lcfu_nowords -.Lcfu_finished: mov r0, #0 - add sp, sp, #8 - ldmfd sp!, {r4 - r7, pc} - -.Lcfu_src_not_aligned: - bic r1, r1, #3 -USER( TUSER( ldr) r7, [r1], #4) @ May fault - cmp ip, #2 - bgt .Lcfu_3fupi - beq .Lcfu_2fupi -.Lcfu_1fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lcfu_1nowords - mov r3, r7, pull #8 -USER( TUSER( ldr) r7, [r1], #4) @ May fault - orr r3, r3, r7, push #24 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lcfu_1fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lcfu_1rem8lp - -.Lcfu_1cpy8lp: mov r3, r7, pull #8 - ldmia r1!, {r4 - r7} @ Shouldnt fault - subs ip, ip, #16 - orr r3, r3, r4, push #24 - mov r4, r4, pull #8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - stmia r0!, {r3 - r6} - bpl .Lcfu_1cpy8lp - -.Lcfu_1rem8lp: tst ip, #8 - movne r3, r7, pull #8 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #24 - movne r4, r4, pull #8 - orrne r4, r4, r7, push #24 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #8 -USER( TUSER( ldrne) r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #24 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .Lcfu_1fupi -.Lcfu_1nowords: mov r3, r7, get_byte_1 - teq ip, #0 - beq .Lcfu_finished - cmp ip, #2 - strb r3, [r0], #1 - movge r3, r7, get_byte_2 - strgeb r3, [r0], #1 - movgt r3, r7, get_byte_3 - strgtb r3, [r0], #1 - b .Lcfu_finished - -.Lcfu_2fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lcfu_2nowords - mov r3, r7, pull #16 -USER( TUSER( ldr) r7, [r1], #4) @ May fault - orr r3, r3, r7, push #16 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lcfu_2fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lcfu_2rem8lp - - -.Lcfu_2cpy8lp: mov r3, r7, pull #16 - ldmia r1!, {r4 - r7} @ Shouldnt fault - subs ip, ip, #16 - orr r3, r3, r4, push #16 - mov r4, r4, pull #16 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - stmia r0!, {r3 - r6} - bpl .Lcfu_2cpy8lp - -.Lcfu_2rem8lp: tst ip, #8 - movne r3, r7, pull #16 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #16 - movne r4, r4, pull #16 - orrne r4, r4, r7, push #16 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #16 -USER( TUSER( ldrne) r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #16 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .Lcfu_2fupi -.Lcfu_2nowords: mov r3, r7, get_byte_2 - teq ip, #0 - beq .Lcfu_finished - cmp ip, #2 - strb r3, [r0], #1 - movge r3, r7, get_byte_3 - strgeb r3, [r0], #1 -USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault - strgtb r3, [r0], #1 - b .Lcfu_finished - -.Lcfu_3fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .Lcfu_3nowords - mov r3, r7, pull #24 -USER( TUSER( ldr) r7, [r1], #4) @ May fault - orr r3, r3, r7, push #8 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .Lcfu_3fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .Lcfu_3rem8lp - -.Lcfu_3cpy8lp: mov r3, r7, pull #24 - ldmia r1!, {r4 - r7} @ Shouldnt fault - orr r3, r3, r4, push #8 - mov r4, r4, pull #24 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - stmia r0!, {r3 - r6} - subs ip, ip, #16 - bpl .Lcfu_3cpy8lp - -.Lcfu_3rem8lp: tst ip, #8 - movne r3, r7, pull #24 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #8 - movne r4, r4, pull #24 - orrne r4, r4, r7, push #8 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #24 -USER( TUSER( ldrne) r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #8 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .Lcfu_3fupi -.Lcfu_3nowords: mov r3, r7, get_byte_3 - teq ip, #0 - beq .Lcfu_finished - cmp ip, #2 - strb r3, [r0], #1 -USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - b .Lcfu_finished -ENDPROC(__copy_from_user) - - .pushsection .fixup,"ax" - .align 0 - /* - * We took an exception. r0 contains a pointer to - * the byte not copied. - */ -9001: ldr r2, [sp], #4 @ void *to - sub r2, r0, r2 @ bytes copied - ldr r1, [sp], #4 @ unsigned long count - subs r4, r1, r2 @ bytes left to copy - movne r1, r4 - blne __memzero - mov r0, r4 - ldmfd sp!, {r4 - r7, pc} - .popsection - diff --git a/ANDROID_3.4.5/arch/arm/lib/uaccess_with_memcpy.c b/ANDROID_3.4.5/arch/arm/lib/uaccess_with_memcpy.c deleted file mode 100644 index 025f742d..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/uaccess_with_memcpy.c +++ /dev/null @@ -1,235 +0,0 @@ -/* - * linux/arch/arm/lib/uaccess_with_memcpy.c - * - * Written by: Lennert Buytenhek and Nicolas Pitre - * Copyright (C) 2009 Marvell Semiconductor - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/ctype.h> -#include <linux/uaccess.h> -#include <linux/rwsem.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/hardirq.h> /* for in_atomic() */ -#include <linux/gfp.h> -#include <linux/highmem.h> -#include <asm/current.h> -#include <asm/page.h> - -static int -pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp) -{ - unsigned long addr = (unsigned long)_addr; - pgd_t *pgd; - pmd_t *pmd; - pte_t *pte; - pud_t *pud; - spinlock_t *ptl; - - pgd = pgd_offset(current->mm, addr); - if (unlikely(pgd_none(*pgd) || pgd_bad(*pgd))) - return 0; - - pud = pud_offset(pgd, addr); - if (unlikely(pud_none(*pud) || pud_bad(*pud))) - return 0; - - pmd = pmd_offset(pud, addr); - if (unlikely(pmd_none(*pmd) || pmd_bad(*pmd))) - return 0; - - pte = pte_offset_map_lock(current->mm, pmd, addr, &ptl); - if (unlikely(!pte_present(*pte) || !pte_young(*pte) || - !pte_write(*pte) || !pte_dirty(*pte))) { - pte_unmap_unlock(pte, ptl); - return 0; - } - - *ptep = pte; - *ptlp = ptl; - - return 1; -} - -static unsigned long noinline -__copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) -{ - int atomic; - - if (unlikely(segment_eq(get_fs(), KERNEL_DS))) { - memcpy((void *)to, from, n); - return 0; - } - - /* the mmap semaphore is taken only if not in an atomic context */ - atomic = in_atomic(); - - if (!atomic) - down_read(¤t->mm->mmap_sem); - while (n) { - pte_t *pte; - spinlock_t *ptl; - int tocopy; - - while (!pin_page_for_write(to, &pte, &ptl)) { - if (!atomic) - up_read(¤t->mm->mmap_sem); - if (__put_user(0, (char __user *)to)) - goto out; - if (!atomic) - down_read(¤t->mm->mmap_sem); - } - - tocopy = (~(unsigned long)to & ~PAGE_MASK) + 1; - if (tocopy > n) - tocopy = n; - - memcpy((void *)to, from, tocopy); - to += tocopy; - from += tocopy; - n -= tocopy; - - pte_unmap_unlock(pte, ptl); - } - if (!atomic) - up_read(¤t->mm->mmap_sem); - -out: - return n; -} - -unsigned long -__copy_to_user(void __user *to, const void *from, unsigned long n) -{ - /* - * This test is stubbed out of the main function above to keep - * the overhead for small copies low by avoiding a large - * register dump on the stack just to reload them right away. - * With frame pointer disabled, tail call optimization kicks in - * as well making this test almost invisible. - */ - if (n < 64) - return __copy_to_user_std(to, from, n); - return __copy_to_user_memcpy(to, from, n); -} - -static unsigned long noinline -__clear_user_memset(void __user *addr, unsigned long n) -{ - if (unlikely(segment_eq(get_fs(), KERNEL_DS))) { - memset((void *)addr, 0, n); - return 0; - } - - down_read(¤t->mm->mmap_sem); - while (n) { - pte_t *pte; - spinlock_t *ptl; - int tocopy; - - while (!pin_page_for_write(addr, &pte, &ptl)) { - up_read(¤t->mm->mmap_sem); - if (__put_user(0, (char __user *)addr)) - goto out; - down_read(¤t->mm->mmap_sem); - } - - tocopy = (~(unsigned long)addr & ~PAGE_MASK) + 1; - if (tocopy > n) - tocopy = n; - - memset((void *)addr, 0, tocopy); - addr += tocopy; - n -= tocopy; - - pte_unmap_unlock(pte, ptl); - } - up_read(¤t->mm->mmap_sem); - -out: - return n; -} - -unsigned long __clear_user(void __user *addr, unsigned long n) -{ - /* See rational for this in __copy_to_user() above. */ - if (n < 64) - return __clear_user_std(addr, n); - return __clear_user_memset(addr, n); -} - -#if 0 - -/* - * This code is disabled by default, but kept around in case the chosen - * thresholds need to be revalidated. Some overhead (small but still) - * would be implied by a runtime determined variable threshold, and - * so far the measurement on concerned targets didn't show a worthwhile - * variation. - * - * Note that a fairly precise sched_clock() implementation is needed - * for results to make some sense. - */ - -#include <linux/vmalloc.h> - -static int __init test_size_treshold(void) -{ - struct page *src_page, *dst_page; - void *user_ptr, *kernel_ptr; - unsigned long long t0, t1, t2; - int size, ret; - - ret = -ENOMEM; - src_page = alloc_page(GFP_KERNEL); - if (!src_page) - goto no_src; - dst_page = alloc_page(GFP_KERNEL); - if (!dst_page) - goto no_dst; - kernel_ptr = page_address(src_page); - user_ptr = vmap(&dst_page, 1, VM_IOREMAP, __pgprot(__P010)); - if (!user_ptr) - goto no_vmap; - - /* warm up the src page dcache */ - ret = __copy_to_user_memcpy(user_ptr, kernel_ptr, PAGE_SIZE); - - for (size = PAGE_SIZE; size >= 4; size /= 2) { - t0 = sched_clock(); - ret |= __copy_to_user_memcpy(user_ptr, kernel_ptr, size); - t1 = sched_clock(); - ret |= __copy_to_user_std(user_ptr, kernel_ptr, size); - t2 = sched_clock(); - printk("copy_to_user: %d %llu %llu\n", size, t1 - t0, t2 - t1); - } - - for (size = PAGE_SIZE; size >= 4; size /= 2) { - t0 = sched_clock(); - ret |= __clear_user_memset(user_ptr, size); - t1 = sched_clock(); - ret |= __clear_user_std(user_ptr, size); - t2 = sched_clock(); - printk("clear_user: %d %llu %llu\n", size, t1 - t0, t2 - t1); - } - - if (ret) - ret = -EFAULT; - - vunmap(user_ptr); -no_vmap: - put_page(dst_page); -no_dst: - put_page(src_page); -no_src: - return ret; -} - -subsys_initcall(test_size_treshold); - -#endif diff --git a/ANDROID_3.4.5/arch/arm/lib/ucmpdi2.S b/ANDROID_3.4.5/arch/arm/lib/ucmpdi2.S deleted file mode 100644 index f0df6a91..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/ucmpdi2.S +++ /dev/null @@ -1,52 +0,0 @@ -/* - * linux/arch/arm/lib/ucmpdi2.S - * - * Author: Nicolas Pitre - * Created: Oct 19, 2005 - * Copyright: Monta Vista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define xh r0 -#define xl r1 -#define yh r2 -#define yl r3 -#else -#define xl r0 -#define xh r1 -#define yl r2 -#define yh r3 -#endif - -ENTRY(__ucmpdi2) - - cmp xh, yh - cmpeq xl, yl - movlo r0, #0 - moveq r0, #1 - movhi r0, #2 - mov pc, lr - -ENDPROC(__ucmpdi2) - -#ifdef CONFIG_AEABI - -ENTRY(__aeabi_ulcmp) - - cmp xh, yh - cmpeq xl, yl - movlo r0, #-1 - moveq r0, #0 - movhi r0, #1 - mov pc, lr - -ENDPROC(__aeabi_ulcmp) - -#endif - |