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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/mips/lib
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/mips/lib')
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/Makefile35
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/ashldi3.c29
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/ashrdi3.c31
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/cmpdi2.c27
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/csum_partial.S760
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/delay.c56
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/dump_tlb.c111
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/iomap-pci.c48
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/iomap.c226
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/libgcc.h25
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/lshrdi3.c29
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/memcpy-inatomic.S451
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/memcpy.S566
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/memset.S180
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/r3k_dump_tlb.c63
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/strlen_user.S39
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/strncpy_user.S59
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/strnlen_user.S46
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/ucmpdi2.c21
-rw-r--r--ANDROID_3.4.5/arch/mips/lib/uncached.c81
20 files changed, 0 insertions, 2883 deletions
diff --git a/ANDROID_3.4.5/arch/mips/lib/Makefile b/ANDROID_3.4.5/arch/mips/lib/Makefile
deleted file mode 100644
index 2a7c74fc..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/Makefile
+++ /dev/null
@@ -1,35 +0,0 @@
-#
-# Makefile for MIPS-specific library files..
-#
-
-lib-y += csum_partial.o delay.o memcpy.o memcpy-inatomic.o memset.o \
- strlen_user.o strncpy_user.o strnlen_user.o uncached.o
-
-obj-y += iomap.o
-obj-$(CONFIG_PCI) += iomap-pci.o
-
-obj-$(CONFIG_CPU_LOONGSON2) += dump_tlb.o
-obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o
-obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o
-obj-$(CONFIG_CPU_NEVADA) += dump_tlb.o
-obj-$(CONFIG_CPU_R10000) += dump_tlb.o
-obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o
-obj-$(CONFIG_CPU_R4300) += dump_tlb.o
-obj-$(CONFIG_CPU_R4X00) += dump_tlb.o
-obj-$(CONFIG_CPU_R5000) += dump_tlb.o
-obj-$(CONFIG_CPU_R5432) += dump_tlb.o
-obj-$(CONFIG_CPU_R5500) += dump_tlb.o
-obj-$(CONFIG_CPU_R6000) +=
-obj-$(CONFIG_CPU_R8000) +=
-obj-$(CONFIG_CPU_RM7000) += dump_tlb.o
-obj-$(CONFIG_CPU_RM9000) += dump_tlb.o
-obj-$(CONFIG_CPU_SB1) += dump_tlb.o
-obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o
-obj-$(CONFIG_CPU_TX49XX) += dump_tlb.o
-obj-$(CONFIG_CPU_VR41XX) += dump_tlb.o
-obj-$(CONFIG_CPU_CAVIUM_OCTEON) += dump_tlb.o
-obj-$(CONFIG_CPU_XLR) += dump_tlb.o
-obj-$(CONFIG_CPU_XLP) += dump_tlb.o
-
-# libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o
diff --git a/ANDROID_3.4.5/arch/mips/lib/ashldi3.c b/ANDROID_3.4.5/arch/mips/lib/ashldi3.c
deleted file mode 100644
index beb80f31..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/ashldi3.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <linux/module.h>
-
-#include "libgcc.h"
-
-long long __ashldi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- w.s.low = 0;
- w.s.high = (unsigned int) uu.s.low << -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.low >> bm;
-
- w.s.low = (unsigned int) uu.s.low << b;
- w.s.high = ((unsigned int) uu.s.high << b) | carries;
- }
-
- return w.ll;
-}
-
-EXPORT_SYMBOL(__ashldi3);
diff --git a/ANDROID_3.4.5/arch/mips/lib/ashrdi3.c b/ANDROID_3.4.5/arch/mips/lib/ashrdi3.c
deleted file mode 100644
index c884a912..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/ashrdi3.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <linux/module.h>
-
-#include "libgcc.h"
-
-long long __ashrdi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- /* w.s.high = 1..1 or 0..0 */
- w.s.high =
- uu.s.high >> 31;
- w.s.low = uu.s.high >> -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.high << bm;
-
- w.s.high = uu.s.high >> b;
- w.s.low = ((unsigned int) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
-
-EXPORT_SYMBOL(__ashrdi3);
diff --git a/ANDROID_3.4.5/arch/mips/lib/cmpdi2.c b/ANDROID_3.4.5/arch/mips/lib/cmpdi2.c
deleted file mode 100644
index 8c130643..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/cmpdi2.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <linux/module.h>
-
-#include "libgcc.h"
-
-word_type __cmpdi2(long long a, long long b)
-{
- const DWunion au = {
- .ll = a
- };
- const DWunion bu = {
- .ll = b
- };
-
- if (au.s.high < bu.s.high)
- return 0;
- else if (au.s.high > bu.s.high)
- return 2;
-
- if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
- return 0;
- else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
- return 2;
-
- return 1;
-}
-
-EXPORT_SYMBOL(__cmpdi2);
diff --git a/ANDROID_3.4.5/arch/mips/lib/csum_partial.S b/ANDROID_3.4.5/arch/mips/lib/csum_partial.S
deleted file mode 100644
index 6b876ca2..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/csum_partial.S
+++ /dev/null
@@ -1,760 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Quick'n'dirty IP checksum ...
- *
- * Copyright (C) 1998, 1999 Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- * Copyright (C) 2007 Maciej W. Rozycki
- */
-#include <linux/errno.h>
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#ifdef CONFIG_64BIT
-/*
- * As we are sharing code base with the mips32 tree (which use the o32 ABI
- * register definitions). We need to redefine the register definitions from
- * the n64 ABI register naming to the o32 ABI register naming.
- */
-#undef t0
-#undef t1
-#undef t2
-#undef t3
-#define t0 $8
-#define t1 $9
-#define t2 $10
-#define t3 $11
-#define t4 $12
-#define t5 $13
-#define t6 $14
-#define t7 $15
-
-#define USE_DOUBLE
-#endif
-
-#ifdef USE_DOUBLE
-
-#define LOAD ld
-#define LOAD32 lwu
-#define ADD daddu
-#define NBYTES 8
-
-#else
-
-#define LOAD lw
-#define LOAD32 lw
-#define ADD addu
-#define NBYTES 4
-
-#endif /* USE_DOUBLE */
-
-#define UNIT(unit) ((unit)*NBYTES)
-
-#define ADDC(sum,reg) \
- ADD sum, reg; \
- sltu v1, sum, reg; \
- ADD sum, v1; \
-
-#define ADDC32(sum,reg) \
- addu sum, reg; \
- sltu v1, sum, reg; \
- addu sum, v1; \
-
-#define CSUM_BIGCHUNK1(src, offset, sum, _t0, _t1, _t2, _t3) \
- LOAD _t0, (offset + UNIT(0))(src); \
- LOAD _t1, (offset + UNIT(1))(src); \
- LOAD _t2, (offset + UNIT(2))(src); \
- LOAD _t3, (offset + UNIT(3))(src); \
- ADDC(sum, _t0); \
- ADDC(sum, _t1); \
- ADDC(sum, _t2); \
- ADDC(sum, _t3)
-
-#ifdef USE_DOUBLE
-#define CSUM_BIGCHUNK(src, offset, sum, _t0, _t1, _t2, _t3) \
- CSUM_BIGCHUNK1(src, offset, sum, _t0, _t1, _t2, _t3)
-#else
-#define CSUM_BIGCHUNK(src, offset, sum, _t0, _t1, _t2, _t3) \
- CSUM_BIGCHUNK1(src, offset, sum, _t0, _t1, _t2, _t3); \
- CSUM_BIGCHUNK1(src, offset + 0x10, sum, _t0, _t1, _t2, _t3)
-#endif
-
-/*
- * a0: source address
- * a1: length of the area to checksum
- * a2: partial checksum
- */
-
-#define src a0
-#define sum v0
-
- .text
- .set noreorder
- .align 5
-LEAF(csum_partial)
- move sum, zero
- move t7, zero
-
- sltiu t8, a1, 0x8
- bnez t8, .Lsmall_csumcpy /* < 8 bytes to copy */
- move t2, a1
-
- andi t7, src, 0x1 /* odd buffer? */
-
-.Lhword_align:
- beqz t7, .Lword_align
- andi t8, src, 0x2
-
- lbu t0, (src)
- LONG_SUBU a1, a1, 0x1
-#ifdef __MIPSEL__
- sll t0, t0, 8
-#endif
- ADDC(sum, t0)
- PTR_ADDU src, src, 0x1
- andi t8, src, 0x2
-
-.Lword_align:
- beqz t8, .Ldword_align
- sltiu t8, a1, 56
-
- lhu t0, (src)
- LONG_SUBU a1, a1, 0x2
- ADDC(sum, t0)
- sltiu t8, a1, 56
- PTR_ADDU src, src, 0x2
-
-.Ldword_align:
- bnez t8, .Ldo_end_words
- move t8, a1
-
- andi t8, src, 0x4
- beqz t8, .Lqword_align
- andi t8, src, 0x8
-
- LOAD32 t0, 0x00(src)
- LONG_SUBU a1, a1, 0x4
- ADDC(sum, t0)
- PTR_ADDU src, src, 0x4
- andi t8, src, 0x8
-
-.Lqword_align:
- beqz t8, .Loword_align
- andi t8, src, 0x10
-
-#ifdef USE_DOUBLE
- ld t0, 0x00(src)
- LONG_SUBU a1, a1, 0x8
- ADDC(sum, t0)
-#else
- lw t0, 0x00(src)
- lw t1, 0x04(src)
- LONG_SUBU a1, a1, 0x8
- ADDC(sum, t0)
- ADDC(sum, t1)
-#endif
- PTR_ADDU src, src, 0x8
- andi t8, src, 0x10
-
-.Loword_align:
- beqz t8, .Lbegin_movement
- LONG_SRL t8, a1, 0x7
-
-#ifdef USE_DOUBLE
- ld t0, 0x00(src)
- ld t1, 0x08(src)
- ADDC(sum, t0)
- ADDC(sum, t1)
-#else
- CSUM_BIGCHUNK1(src, 0x00, sum, t0, t1, t3, t4)
-#endif
- LONG_SUBU a1, a1, 0x10
- PTR_ADDU src, src, 0x10
- LONG_SRL t8, a1, 0x7
-
-.Lbegin_movement:
- beqz t8, 1f
- andi t2, a1, 0x40
-
-.Lmove_128bytes:
- CSUM_BIGCHUNK(src, 0x00, sum, t0, t1, t3, t4)
- CSUM_BIGCHUNK(src, 0x20, sum, t0, t1, t3, t4)
- CSUM_BIGCHUNK(src, 0x40, sum, t0, t1, t3, t4)
- CSUM_BIGCHUNK(src, 0x60, sum, t0, t1, t3, t4)
- LONG_SUBU t8, t8, 0x01
- .set reorder /* DADDI_WAR */
- PTR_ADDU src, src, 0x80
- bnez t8, .Lmove_128bytes
- .set noreorder
-
-1:
- beqz t2, 1f
- andi t2, a1, 0x20
-
-.Lmove_64bytes:
- CSUM_BIGCHUNK(src, 0x00, sum, t0, t1, t3, t4)
- CSUM_BIGCHUNK(src, 0x20, sum, t0, t1, t3, t4)
- PTR_ADDU src, src, 0x40
-
-1:
- beqz t2, .Ldo_end_words
- andi t8, a1, 0x1c
-
-.Lmove_32bytes:
- CSUM_BIGCHUNK(src, 0x00, sum, t0, t1, t3, t4)
- andi t8, a1, 0x1c
- PTR_ADDU src, src, 0x20
-
-.Ldo_end_words:
- beqz t8, .Lsmall_csumcpy
- andi t2, a1, 0x3
- LONG_SRL t8, t8, 0x2
-
-.Lend_words:
- LOAD32 t0, (src)
- LONG_SUBU t8, t8, 0x1
- ADDC(sum, t0)
- .set reorder /* DADDI_WAR */
- PTR_ADDU src, src, 0x4
- bnez t8, .Lend_words
- .set noreorder
-
-/* unknown src alignment and < 8 bytes to go */
-.Lsmall_csumcpy:
- move a1, t2
-
- andi t0, a1, 4
- beqz t0, 1f
- andi t0, a1, 2
-
- /* Still a full word to go */
- ulw t1, (src)
- PTR_ADDIU src, 4
-#ifdef USE_DOUBLE
- dsll t1, t1, 32 /* clear lower 32bit */
-#endif
- ADDC(sum, t1)
-
-1: move t1, zero
- beqz t0, 1f
- andi t0, a1, 1
-
- /* Still a halfword to go */
- ulhu t1, (src)
- PTR_ADDIU src, 2
-
-1: beqz t0, 1f
- sll t1, t1, 16
-
- lbu t2, (src)
- nop
-
-#ifdef __MIPSEB__
- sll t2, t2, 8
-#endif
- or t1, t2
-
-1: ADDC(sum, t1)
-
- /* fold checksum */
-#ifdef USE_DOUBLE
- dsll32 v1, sum, 0
- daddu sum, v1
- sltu v1, sum, v1
- dsra32 sum, sum, 0
- addu sum, v1
-#endif
-
- /* odd buffer alignment? */
-#ifdef CPU_MIPSR2
- wsbh v1, sum
- movn sum, v1, t7
-#else
- beqz t7, 1f /* odd buffer alignment? */
- lui v1, 0x00ff
- addu v1, 0x00ff
- and t0, sum, v1
- sll t0, t0, 8
- srl sum, sum, 8
- and sum, sum, v1
- or sum, sum, t0
-1:
-#endif
- .set reorder
- /* Add the passed partial csum. */
- ADDC32(sum, a2)
- jr ra
- .set noreorder
- END(csum_partial)
-
-
-/*
- * checksum and copy routines based on memcpy.S
- *
- * csum_partial_copy_nocheck(src, dst, len, sum)
- * __csum_partial_copy_user(src, dst, len, sum, errp)
- *
- * See "Spec" in memcpy.S for details. Unlike __copy_user, all
- * function in this file use the standard calling convention.
- */
-
-#define src a0
-#define dst a1
-#define len a2
-#define psum a3
-#define sum v0
-#define odd t8
-#define errptr t9
-
-/*
- * The exception handler for loads requires that:
- * 1- AT contain the address of the byte just past the end of the source
- * of the copy,
- * 2- src_entry <= src < AT, and
- * 3- (dst - src) == (dst_entry - src_entry),
- * The _entry suffix denotes values when __copy_user was called.
- *
- * (1) is set up up by __csum_partial_copy_from_user and maintained by
- * not writing AT in __csum_partial_copy
- * (2) is met by incrementing src by the number of bytes copied
- * (3) is met by not doing loads between a pair of increments of dst and src
- *
- * The exception handlers for stores stores -EFAULT to errptr and return.
- * These handlers do not need to overwrite any data.
- */
-
-#define EXC(inst_reg,addr,handler) \
-9: inst_reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-#ifdef USE_DOUBLE
-
-#define LOAD ld
-#define LOADL ldl
-#define LOADR ldr
-#define STOREL sdl
-#define STORER sdr
-#define STORE sd
-#define ADD daddu
-#define SUB dsubu
-#define SRL dsrl
-#define SLL dsll
-#define SLLV dsllv
-#define SRLV dsrlv
-#define NBYTES 8
-#define LOG_NBYTES 3
-
-#else
-
-#define LOAD lw
-#define LOADL lwl
-#define LOADR lwr
-#define STOREL swl
-#define STORER swr
-#define STORE sw
-#define ADD addu
-#define SUB subu
-#define SRL srl
-#define SLL sll
-#define SLLV sllv
-#define SRLV srlv
-#define NBYTES 4
-#define LOG_NBYTES 2
-
-#endif /* USE_DOUBLE */
-
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#define LDFIRST LOADR
-#define LDREST LOADL
-#define STFIRST STORER
-#define STREST STOREL
-#define SHIFT_DISCARD SLLV
-#define SHIFT_DISCARD_REVERT SRLV
-#else
-#define LDFIRST LOADL
-#define LDREST LOADR
-#define STFIRST STOREL
-#define STREST STORER
-#define SHIFT_DISCARD SRLV
-#define SHIFT_DISCARD_REVERT SLLV
-#endif
-
-#define FIRST(unit) ((unit)*NBYTES)
-#define REST(unit) (FIRST(unit)+NBYTES-1)
-
-#define ADDRMASK (NBYTES-1)
-
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- .set noat
-#else
- .set at=v1
-#endif
-
-LEAF(__csum_partial_copy_user)
- PTR_ADDU AT, src, len /* See (1) above. */
-#ifdef CONFIG_64BIT
- move errptr, a4
-#else
- lw errptr, 16(sp)
-#endif
-FEXPORT(csum_partial_copy_nocheck)
- move sum, zero
- move odd, zero
- /*
- * Note: dst & src may be unaligned, len may be 0
- * Temps
- */
- /*
- * The "issue break"s below are very approximate.
- * Issue delays for dcache fills will perturb the schedule, as will
- * load queue full replay traps, etc.
- *
- * If len < NBYTES use byte operations.
- */
- sltu t2, len, NBYTES
- and t1, dst, ADDRMASK
- bnez t2, .Lcopy_bytes_checklen
- and t0, src, ADDRMASK
- andi odd, dst, 0x1 /* odd buffer? */
- bnez t1, .Ldst_unaligned
- nop
- bnez t0, .Lsrc_unaligned_dst_aligned
- /*
- * use delay slot for fall-through
- * src and dst are aligned; need to compute rem
- */
-.Lboth_aligned:
- SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter
- beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES
- nop
- SUB len, 8*NBYTES # subtract here for bgez loop
- .align 4
-1:
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
-EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy)
-EXC( LOAD t5, UNIT(5)(src), .Ll_exc_copy)
-EXC( LOAD t6, UNIT(6)(src), .Ll_exc_copy)
-EXC( LOAD t7, UNIT(7)(src), .Ll_exc_copy)
- SUB len, len, 8*NBYTES
- ADD src, src, 8*NBYTES
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
- ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
- ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
- ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
- ADDC(sum, t3)
-EXC( STORE t4, UNIT(4)(dst), .Ls_exc)
- ADDC(sum, t4)
-EXC( STORE t5, UNIT(5)(dst), .Ls_exc)
- ADDC(sum, t5)
-EXC( STORE t6, UNIT(6)(dst), .Ls_exc)
- ADDC(sum, t6)
-EXC( STORE t7, UNIT(7)(dst), .Ls_exc)
- ADDC(sum, t7)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 8*NBYTES
- bgez len, 1b
- .set noreorder
- ADD len, 8*NBYTES # revert len (see above)
-
- /*
- * len == the number of bytes left to copy < 8*NBYTES
- */
-.Lcleanup_both_aligned:
-#define rem t7
- beqz len, .Ldone
- sltu t0, len, 4*NBYTES
- bnez t0, .Lless_than_4units
- and rem, len, (NBYTES-1) # rem = len % NBYTES
- /*
- * len >= 4*NBYTES
- */
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
- ADD src, src, 4*NBYTES
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
- ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
- ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
- ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
- ADDC(sum, t3)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- beqz len, .Ldone
- .set noreorder
-.Lless_than_4units:
- /*
- * rem = len % NBYTES
- */
- beq rem, len, .Lcopy_bytes
- nop
-1:
-EXC( LOAD t0, 0(src), .Ll_exc)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc)
- ADDC(sum, t0)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne rem, len, 1b
- .set noreorder
-
- /*
- * src and dst are aligned, need to copy rem bytes (rem < NBYTES)
- * A loop would do only a byte at a time with possible branch
- * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE
- * because can't assume read-access to dst. Instead, use
- * STREST dst, which doesn't require read access to dst.
- *
- * This code should perform better than a simple loop on modern,
- * wide-issue mips processors because the code has fewer branches and
- * more instruction-level parallelism.
- */
-#define bits t2
- beqz len, .Ldone
- ADD t1, dst, len # t1 is just past last byte of dst
- li bits, 8*NBYTES
- SLL rem, len, 3 # rem = number of bits to keep
-EXC( LOAD t0, 0(src), .Ll_exc)
- SUB bits, bits, rem # bits = number of bits to discard
- SHIFT_DISCARD t0, t0, bits
-EXC( STREST t0, -1(t1), .Ls_exc)
- SHIFT_DISCARD_REVERT t0, t0, bits
- .set reorder
- ADDC(sum, t0)
- b .Ldone
- .set noreorder
-.Ldst_unaligned:
- /*
- * dst is unaligned
- * t0 = src & ADDRMASK
- * t1 = dst & ADDRMASK; T1 > 0
- * len >= NBYTES
- *
- * Copy enough bytes to align dst
- * Set match = (src and dst have same alignment)
- */
-#define match rem
-EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc)
- ADD t2, zero, NBYTES
-EXC( LDREST t3, REST(0)(src), .Ll_exc_copy)
- SUB t2, t2, t1 # t2 = number of bytes copied
- xor match, t0, t1
-EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc)
- SLL t4, t1, 3 # t4 = number of bits to discard
- SHIFT_DISCARD t3, t3, t4
- /* no SHIFT_DISCARD_REVERT to handle odd buffer properly */
- ADDC(sum, t3)
- beq len, t2, .Ldone
- SUB len, len, t2
- ADD dst, dst, t2
- beqz match, .Lboth_aligned
- ADD src, src, t2
-
-.Lsrc_unaligned_dst_aligned:
- SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter
- beqz t0, .Lcleanup_src_unaligned
- and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES
-1:
-/*
- * Avoid consecutive LD*'s to the same register since some mips
- * implementations can't issue them in the same cycle.
- * It's OK to load FIRST(N+1) before REST(N) because the two addresses
- * are to the same unit (unless src is aligned, but it's not).
- */
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
-EXC( LDREST t1, REST(1)(src), .Ll_exc_copy)
-EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy)
-EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy)
-EXC( LDREST t2, REST(2)(src), .Ll_exc_copy)
-EXC( LDREST t3, REST(3)(src), .Ll_exc_copy)
- ADD src, src, 4*NBYTES
-#ifdef CONFIG_CPU_SB1
- nop # improves slotting
-#endif
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc)
- ADDC(sum, t0)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc)
- ADDC(sum, t1)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc)
- ADDC(sum, t2)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc)
- ADDC(sum, t3)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcleanup_src_unaligned:
- beqz len, .Ldone
- and rem, len, NBYTES-1 # rem = len % NBYTES
- beq rem, len, .Lcopy_bytes
- nop
-1:
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc)
- ADDC(sum, t0)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcopy_bytes_checklen:
- beqz len, .Ldone
- nop
-.Lcopy_bytes:
- /* 0 < len < NBYTES */
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#define SHIFT_START 0
-#define SHIFT_INC 8
-#else
-#define SHIFT_START 8*(NBYTES-1)
-#define SHIFT_INC -8
-#endif
- move t2, zero # partial word
- li t3, SHIFT_START # shift
-/* use .Ll_exc_copy here to return correct sum on fault */
-#define COPY_BYTE(N) \
-EXC( lbu t0, N(src), .Ll_exc_copy); \
- SUB len, len, 1; \
-EXC( sb t0, N(dst), .Ls_exc); \
- SLLV t0, t0, t3; \
- addu t3, SHIFT_INC; \
- beqz len, .Lcopy_bytes_done; \
- or t2, t0
-
- COPY_BYTE(0)
- COPY_BYTE(1)
-#ifdef USE_DOUBLE
- COPY_BYTE(2)
- COPY_BYTE(3)
- COPY_BYTE(4)
- COPY_BYTE(5)
-#endif
-EXC( lbu t0, NBYTES-2(src), .Ll_exc_copy)
- SUB len, len, 1
-EXC( sb t0, NBYTES-2(dst), .Ls_exc)
- SLLV t0, t0, t3
- or t2, t0
-.Lcopy_bytes_done:
- ADDC(sum, t2)
-.Ldone:
- /* fold checksum */
-#ifdef USE_DOUBLE
- dsll32 v1, sum, 0
- daddu sum, v1
- sltu v1, sum, v1
- dsra32 sum, sum, 0
- addu sum, v1
-#endif
-
-#ifdef CPU_MIPSR2
- wsbh v1, sum
- movn sum, v1, odd
-#else
- beqz odd, 1f /* odd buffer alignment? */
- lui v1, 0x00ff
- addu v1, 0x00ff
- and t0, sum, v1
- sll t0, t0, 8
- srl sum, sum, 8
- and sum, sum, v1
- or sum, sum, t0
-1:
-#endif
- .set reorder
- ADDC32(sum, psum)
- jr ra
- .set noreorder
-
-.Ll_exc_copy:
- /*
- * Copy bytes from src until faulting load address (or until a
- * lb faults)
- *
- * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28)
- * may be more than a byte beyond the last address.
- * Hence, the lb below may get an exception.
- *
- * Assumes src < THREAD_BUADDR($28)
- */
- LOAD t0, TI_TASK($28)
- li t2, SHIFT_START
- LOAD t0, THREAD_BUADDR(t0)
-1:
-EXC( lbu t1, 0(src), .Ll_exc)
- ADD src, src, 1
- sb t1, 0(dst) # can't fault -- we're copy_from_user
- SLLV t1, t1, t2
- addu t2, SHIFT_INC
- ADDC(sum, t1)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 1
- bne src, t0, 1b
- .set noreorder
-.Ll_exc:
- LOAD t0, TI_TASK($28)
- nop
- LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address
- nop
- SUB len, AT, t0 # len number of uncopied bytes
- /*
- * Here's where we rely on src and dst being incremented in tandem,
- * See (3) above.
- * dst += (fault addr - src) to put dst at first byte to clear
- */
- ADD dst, t0 # compute start address in a1
- SUB dst, src
- /*
- * Clear len bytes starting at dst. Can't call __bzero because it
- * might modify len. An inefficient loop for these rare times...
- */
- .set reorder /* DADDI_WAR */
- SUB src, len, 1
- beqz len, .Ldone
- .set noreorder
-1: sb zero, 0(dst)
- ADD dst, dst, 1
- .set push
- .set noat
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- bnez src, 1b
- SUB src, src, 1
-#else
- li v1, 1
- bnez src, 1b
- SUB src, src, v1
-#endif
- li v1, -EFAULT
- b .Ldone
- sw v1, (errptr)
-
-.Ls_exc:
- li v0, -1 /* invalid checksum */
- li v1, -EFAULT
- jr ra
- sw v1, (errptr)
- .set pop
- END(__csum_partial_copy_user)
diff --git a/ANDROID_3.4.5/arch/mips/lib/delay.c b/ANDROID_3.4.5/arch/mips/lib/delay.c
deleted file mode 100644
index 5995969e..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/delay.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994 by Waldorf Electronics
- * Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- * Copyright (C) 2007 Maciej W. Rozycki
- */
-#include <linux/module.h>
-#include <linux/param.h>
-#include <linux/smp.h>
-
-#include <asm/compiler.h>
-#include <asm/war.h>
-
-inline void __delay(unsigned int loops)
-{
- __asm__ __volatile__ (
- " .set noreorder \n"
- " .align 3 \n"
- "1: bnez %0, 1b \n"
- " subu %0, 1 \n"
- " .set reorder \n"
- : "=r" (loops)
- : "0" (loops));
-}
-EXPORT_SYMBOL(__delay);
-
-/*
- * Division by multiplication: you don't have to worry about
- * loss of precision.
- *
- * Use only for very small delays ( < 1 msec). Should probably use a
- * lookup table, really, as the multiplications take much too long with
- * short delays. This is a "reasonable" implementation, though (and the
- * first constant multiplications gets optimized away if the delay is
- * a constant)
- */
-
-void __udelay(unsigned long us)
-{
- unsigned int lpj = raw_current_cpu_data.udelay_val;
-
- __delay((us * 0x000010c7ull * HZ * lpj) >> 32);
-}
-EXPORT_SYMBOL(__udelay);
-
-void __ndelay(unsigned long ns)
-{
- unsigned int lpj = raw_current_cpu_data.udelay_val;
-
- __delay((ns * 0x00000005ull * HZ * lpj) >> 32);
-}
-EXPORT_SYMBOL(__ndelay);
diff --git a/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c b/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c
deleted file mode 100644
index 3f697255..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Dump R4x00 TLB for debugging purposes.
- *
- * Copyright (C) 1994, 1995 by Waldorf Electronics, written by Ralf Baechle.
- * Copyright (C) 1999 by Silicon Graphics, Inc.
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-
-#include <asm/mipsregs.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/tlbdebug.h>
-
-static inline const char *msk2str(unsigned int mask)
-{
- switch (mask) {
- case PM_4K: return "4kb";
- case PM_16K: return "16kb";
- case PM_64K: return "64kb";
- case PM_256K: return "256kb";
-#ifdef CONFIG_CPU_CAVIUM_OCTEON
- case PM_8K: return "8kb";
- case PM_32K: return "32kb";
- case PM_128K: return "128kb";
- case PM_512K: return "512kb";
- case PM_2M: return "2Mb";
- case PM_8M: return "8Mb";
- case PM_32M: return "32Mb";
-#endif
-#ifndef CONFIG_CPU_VR41XX
- case PM_1M: return "1Mb";
- case PM_4M: return "4Mb";
- case PM_16M: return "16Mb";
- case PM_64M: return "64Mb";
- case PM_256M: return "256Mb";
- case PM_1G: return "1Gb";
-#endif
- }
- return "";
-}
-
-#define BARRIER() \
- __asm__ __volatile__( \
- ".set\tnoreorder\n\t" \
- "nop;nop;nop;nop;nop;nop;nop\n\t" \
- ".set\treorder");
-
-static void dump_tlb(int first, int last)
-{
- unsigned long s_entryhi, entryhi, asid;
- unsigned long long entrylo0, entrylo1;
- unsigned int s_index, pagemask, c0, c1, i;
-
- s_entryhi = read_c0_entryhi();
- s_index = read_c0_index();
- asid = s_entryhi & 0xff;
-
- for (i = first; i <= last; i++) {
- write_c0_index(i);
- BARRIER();
- tlb_read();
- BARRIER();
- pagemask = read_c0_pagemask();
- entryhi = read_c0_entryhi();
- entrylo0 = read_c0_entrylo0();
- entrylo1 = read_c0_entrylo1();
-
- /* Unused entries have a virtual address of CKSEG0. */
- if ((entryhi & ~0x1ffffUL) != CKSEG0
- && (entryhi & 0xff) == asid) {
-#ifdef CONFIG_32BIT
- int width = 8;
-#else
- int width = 11;
-#endif
- /*
- * Only print entries in use
- */
- printk("Index: %2d pgmask=%s ", i, msk2str(pagemask));
-
- c0 = (entrylo0 >> 3) & 7;
- c1 = (entrylo1 >> 3) & 7;
-
- printk("va=%0*lx asid=%02lx\n",
- width, (entryhi & ~0x1fffUL),
- entryhi & 0xff);
- printk("\t[pa=%0*llx c=%d d=%d v=%d g=%d] ",
- width,
- (entrylo0 << 6) & PAGE_MASK, c0,
- (entrylo0 & 4) ? 1 : 0,
- (entrylo0 & 2) ? 1 : 0,
- (entrylo0 & 1) ? 1 : 0);
- printk("[pa=%0*llx c=%d d=%d v=%d g=%d]\n",
- width,
- (entrylo1 << 6) & PAGE_MASK, c1,
- (entrylo1 & 4) ? 1 : 0,
- (entrylo1 & 2) ? 1 : 0,
- (entrylo1 & 1) ? 1 : 0);
- }
- }
- printk("\n");
-
- write_c0_entryhi(s_entryhi);
- write_c0_index(s_index);
-}
-
-void dump_tlb_all(void)
-{
- dump_tlb(0, current_cpu_data.tlbsize - 1);
-}
diff --git a/ANDROID_3.4.5/arch/mips/lib/iomap-pci.c b/ANDROID_3.4.5/arch/mips/lib/iomap-pci.c
deleted file mode 100644
index fd35daa4..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/iomap-pci.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Implement the default iomap interfaces
- *
- * (C) Copyright 2004 Linus Torvalds
- * (C) Copyright 2006 Ralf Baechle <ralf@linux-mips.org>
- * (C) Copyright 2007 MIPS Technologies, Inc.
- * written by Ralf Baechle <ralf@linux-mips.org>
- */
-#include <linux/pci.h>
-#include <linux/module.h>
-#include <asm/io.h>
-
-void __iomem *__pci_ioport_map(struct pci_dev *dev,
- unsigned long port, unsigned int nr)
-{
- struct pci_controller *ctrl = dev->bus->sysdata;
- unsigned long base = ctrl->io_map_base;
-
- /* This will eventually become a BUG_ON but for now be gentle */
- if (unlikely(!ctrl->io_map_base)) {
- struct pci_bus *bus = dev->bus;
- char name[8];
-
- while (bus->parent)
- bus = bus->parent;
-
- ctrl->io_map_base = base = mips_io_port_base;
-
- sprintf(name, "%04x:%02x", pci_domain_nr(bus), bus->number);
- printk(KERN_WARNING "io_map_base of root PCI bus %s unset. "
- "Trying to continue but you better\nfix this issue or "
- "report it to linux-mips@linux-mips.org or your "
- "vendor.\n", name);
-#ifdef CONFIG_PCI_DOMAINS
- panic("To avoid data corruption io_map_base MUST be set with "
- "multiple PCI domains.");
-#endif
- }
-
- return (void __iomem *) (ctrl->io_map_base + port);
-}
-
-void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
-{
- iounmap(addr);
-}
-
-EXPORT_SYMBOL(pci_iounmap);
diff --git a/ANDROID_3.4.5/arch/mips/lib/iomap.c b/ANDROID_3.4.5/arch/mips/lib/iomap.c
deleted file mode 100644
index e3acb2da..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/iomap.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Implement the default iomap interfaces
- *
- * (C) Copyright 2004 Linus Torvalds
- * (C) Copyright 2006 Ralf Baechle <ralf@linux-mips.org>
- * (C) Copyright 2007 MIPS Technologies, Inc.
- * written by Ralf Baechle <ralf@linux-mips.org>
- */
-#include <linux/module.h>
-#include <asm/io.h>
-
-/*
- * Read/write from/to an (offsettable) iomem cookie. It might be a PIO
- * access or a MMIO access, these functions don't care. The info is
- * encoded in the hardware mapping set up by the mapping functions
- * (or the cookie itself, depending on implementation and hw).
- *
- * The generic routines don't assume any hardware mappings, and just
- * encode the PIO/MMIO as part of the cookie. They coldly assume that
- * the MMIO IO mappings are not in the low address range.
- *
- * Architectures for which this is not true can't use this generic
- * implementation and should do their own copy.
- */
-
-#define PIO_MASK 0x0ffffUL
-
-unsigned int ioread8(void __iomem *addr)
-{
- return readb(addr);
-}
-
-EXPORT_SYMBOL(ioread8);
-
-unsigned int ioread16(void __iomem *addr)
-{
- return readw(addr);
-}
-
-EXPORT_SYMBOL(ioread16);
-
-unsigned int ioread16be(void __iomem *addr)
-{
- return be16_to_cpu(__raw_readw(addr));
-}
-
-EXPORT_SYMBOL(ioread16be);
-
-unsigned int ioread32(void __iomem *addr)
-{
- return readl(addr);
-}
-
-EXPORT_SYMBOL(ioread32);
-
-unsigned int ioread32be(void __iomem *addr)
-{
- return be32_to_cpu(__raw_readl(addr));
-}
-
-EXPORT_SYMBOL(ioread32be);
-
-void iowrite8(u8 val, void __iomem *addr)
-{
- writeb(val, addr);
-}
-
-EXPORT_SYMBOL(iowrite8);
-
-void iowrite16(u16 val, void __iomem *addr)
-{
- writew(val, addr);
-}
-
-EXPORT_SYMBOL(iowrite16);
-
-void iowrite16be(u16 val, void __iomem *addr)
-{
- __raw_writew(cpu_to_be16(val), addr);
-}
-
-EXPORT_SYMBOL(iowrite16be);
-
-void iowrite32(u32 val, void __iomem *addr)
-{
- writel(val, addr);
-}
-
-EXPORT_SYMBOL(iowrite32);
-
-void iowrite32be(u32 val, void __iomem *addr)
-{
- __raw_writel(cpu_to_be32(val), addr);
-}
-
-EXPORT_SYMBOL(iowrite32be);
-
-/*
- * These are the "repeat MMIO read/write" functions.
- * Note the "__raw" accesses, since we don't want to
- * convert to CPU byte order. We write in "IO byte
- * order" (we also don't have IO barriers).
- */
-static inline void mmio_insb(void __iomem *addr, u8 *dst, int count)
-{
- while (--count >= 0) {
- u8 data = __raw_readb(addr);
- *dst = data;
- dst++;
- }
-}
-
-static inline void mmio_insw(void __iomem *addr, u16 *dst, int count)
-{
- while (--count >= 0) {
- u16 data = __raw_readw(addr);
- *dst = data;
- dst++;
- }
-}
-
-static inline void mmio_insl(void __iomem *addr, u32 *dst, int count)
-{
- while (--count >= 0) {
- u32 data = __raw_readl(addr);
- *dst = data;
- dst++;
- }
-}
-
-static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count)
-{
- while (--count >= 0) {
- __raw_writeb(*src, addr);
- src++;
- }
-}
-
-static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count)
-{
- while (--count >= 0) {
- __raw_writew(*src, addr);
- src++;
- }
-}
-
-static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count)
-{
- while (--count >= 0) {
- __raw_writel(*src, addr);
- src++;
- }
-}
-
-void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
-{
- mmio_insb(addr, dst, count);
-}
-
-EXPORT_SYMBOL(ioread8_rep);
-
-void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
-{
- mmio_insw(addr, dst, count);
-}
-
-EXPORT_SYMBOL(ioread16_rep);
-
-void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
-{
- mmio_insl(addr, dst, count);
-}
-
-EXPORT_SYMBOL(ioread32_rep);
-
-void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
-{
- mmio_outsb(addr, src, count);
-}
-
-EXPORT_SYMBOL(iowrite8_rep);
-
-void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
-{
- mmio_outsw(addr, src, count);
-}
-
-EXPORT_SYMBOL(iowrite16_rep);
-
-void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
-{
- mmio_outsl(addr, src, count);
-}
-
-EXPORT_SYMBOL(iowrite32_rep);
-
-/*
- * Create a virtual mapping cookie for an IO port range
- *
- * This uses the same mapping are as the in/out family which has to be setup
- * by the platform initialization code.
- *
- * Just to make matters somewhat more interesting on MIPS systems with
- * multiple host bridge each will have it's own ioport address space.
- */
-static void __iomem *ioport_map_legacy(unsigned long port, unsigned int nr)
-{
- return (void __iomem *) (mips_io_port_base + port);
-}
-
-void __iomem *ioport_map(unsigned long port, unsigned int nr)
-{
- if (port > PIO_MASK)
- return NULL;
-
- return ioport_map_legacy(port, nr);
-}
-
-EXPORT_SYMBOL(ioport_map);
-
-void ioport_unmap(void __iomem *addr)
-{
- /* Nothing to do */
-}
-
-EXPORT_SYMBOL(ioport_unmap);
diff --git a/ANDROID_3.4.5/arch/mips/lib/libgcc.h b/ANDROID_3.4.5/arch/mips/lib/libgcc.h
deleted file mode 100644
index 05909d58..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/libgcc.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef __ASM_LIBGCC_H
-#define __ASM_LIBGCC_H
-
-#include <asm/byteorder.h>
-
-typedef int word_type __attribute__ ((mode (__word__)));
-
-#ifdef __BIG_ENDIAN
-struct DWstruct {
- int high, low;
-};
-#elif defined(__LITTLE_ENDIAN)
-struct DWstruct {
- int low, high;
-};
-#else
-#error I feel sick.
-#endif
-
-typedef union {
- struct DWstruct s;
- long long ll;
-} DWunion;
-
-#endif /* __ASM_LIBGCC_H */
diff --git a/ANDROID_3.4.5/arch/mips/lib/lshrdi3.c b/ANDROID_3.4.5/arch/mips/lib/lshrdi3.c
deleted file mode 100644
index dcf8d681..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/lshrdi3.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <linux/module.h>
-
-#include "libgcc.h"
-
-long long __lshrdi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- w.s.high = 0;
- w.s.low = (unsigned int) uu.s.high >> -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.high << bm;
-
- w.s.high = (unsigned int) uu.s.high >> b;
- w.s.low = ((unsigned int) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
-
-EXPORT_SYMBOL(__lshrdi3);
diff --git a/ANDROID_3.4.5/arch/mips/lib/memcpy-inatomic.S b/ANDROID_3.4.5/arch/mips/lib/memcpy-inatomic.S
deleted file mode 100644
index 68853a03..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/memcpy-inatomic.S
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Unified implementation of memcpy, memmove and the __copy_user backend.
- *
- * Copyright (C) 1998, 99, 2000, 01, 2002 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 1999, 2000, 01, 2002 Silicon Graphics, Inc.
- * Copyright (C) 2002 Broadcom, Inc.
- * memcpy/copy_user author: Mark Vandevoorde
- * Copyright (C) 2007 Maciej W. Rozycki
- *
- * Mnemonic names for arguments to memcpy/__copy_user
- */
-
-/*
- * Hack to resolve longstanding prefetch issue
- *
- * Prefetching may be fatal on some systems if we're prefetching beyond the
- * end of memory on some systems. It's also a seriously bad idea on non
- * dma-coherent systems.
- */
-#ifdef CONFIG_DMA_NONCOHERENT
-#undef CONFIG_CPU_HAS_PREFETCH
-#endif
-#ifdef CONFIG_MIPS_MALTA
-#undef CONFIG_CPU_HAS_PREFETCH
-#endif
-
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#define dst a0
-#define src a1
-#define len a2
-
-/*
- * Spec
- *
- * memcpy copies len bytes from src to dst and sets v0 to dst.
- * It assumes that
- * - src and dst don't overlap
- * - src is readable
- * - dst is writable
- * memcpy uses the standard calling convention
- *
- * __copy_user copies up to len bytes from src to dst and sets a2 (len) to
- * the number of uncopied bytes due to an exception caused by a read or write.
- * __copy_user assumes that src and dst don't overlap, and that the call is
- * implementing one of the following:
- * copy_to_user
- * - src is readable (no exceptions when reading src)
- * copy_from_user
- * - dst is writable (no exceptions when writing dst)
- * __copy_user uses a non-standard calling convention; see
- * include/asm-mips/uaccess.h
- *
- * When an exception happens on a load, the handler must
- # ensure that all of the destination buffer is overwritten to prevent
- * leaking information to user mode programs.
- */
-
-/*
- * Implementation
- */
-
-/*
- * The exception handler for loads requires that:
- * 1- AT contain the address of the byte just past the end of the source
- * of the copy,
- * 2- src_entry <= src < AT, and
- * 3- (dst - src) == (dst_entry - src_entry),
- * The _entry suffix denotes values when __copy_user was called.
- *
- * (1) is set up up by uaccess.h and maintained by not writing AT in copy_user
- * (2) is met by incrementing src by the number of bytes copied
- * (3) is met by not doing loads between a pair of increments of dst and src
- *
- * The exception handlers for stores adjust len (if necessary) and return.
- * These handlers do not need to overwrite any data.
- *
- * For __rmemcpy and memmove an exception is always a kernel bug, therefore
- * they're not protected.
- */
-
-#define EXC(inst_reg,addr,handler) \
-9: inst_reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-/*
- * Only on the 64-bit kernel we can made use of 64-bit registers.
- */
-#ifdef CONFIG_64BIT
-#define USE_DOUBLE
-#endif
-
-#ifdef USE_DOUBLE
-
-#define LOAD ld
-#define LOADL ldl
-#define LOADR ldr
-#define STOREL sdl
-#define STORER sdr
-#define STORE sd
-#define ADD daddu
-#define SUB dsubu
-#define SRL dsrl
-#define SRA dsra
-#define SLL dsll
-#define SLLV dsllv
-#define SRLV dsrlv
-#define NBYTES 8
-#define LOG_NBYTES 3
-
-/*
- * As we are sharing code base with the mips32 tree (which use the o32 ABI
- * register definitions). We need to redefine the register definitions from
- * the n64 ABI register naming to the o32 ABI register naming.
- */
-#undef t0
-#undef t1
-#undef t2
-#undef t3
-#define t0 $8
-#define t1 $9
-#define t2 $10
-#define t3 $11
-#define t4 $12
-#define t5 $13
-#define t6 $14
-#define t7 $15
-
-#else
-
-#define LOAD lw
-#define LOADL lwl
-#define LOADR lwr
-#define STOREL swl
-#define STORER swr
-#define STORE sw
-#define ADD addu
-#define SUB subu
-#define SRL srl
-#define SLL sll
-#define SRA sra
-#define SLLV sllv
-#define SRLV srlv
-#define NBYTES 4
-#define LOG_NBYTES 2
-
-#endif /* USE_DOUBLE */
-
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#define LDFIRST LOADR
-#define LDREST LOADL
-#define STFIRST STORER
-#define STREST STOREL
-#define SHIFT_DISCARD SLLV
-#else
-#define LDFIRST LOADL
-#define LDREST LOADR
-#define STFIRST STOREL
-#define STREST STORER
-#define SHIFT_DISCARD SRLV
-#endif
-
-#define FIRST(unit) ((unit)*NBYTES)
-#define REST(unit) (FIRST(unit)+NBYTES-1)
-#define UNIT(unit) FIRST(unit)
-
-#define ADDRMASK (NBYTES-1)
-
- .text
- .set noreorder
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- .set noat
-#else
- .set at=v1
-#endif
-
-/*
- * A combined memcpy/__copy_user
- * __copy_user sets len to 0 for success; else to an upper bound of
- * the number of uncopied bytes.
- * memcpy sets v0 to dst.
- */
- .align 5
-LEAF(__copy_user_inatomic)
- /*
- * Note: dst & src may be unaligned, len may be 0
- * Temps
- */
-#define rem t8
-
- /*
- * The "issue break"s below are very approximate.
- * Issue delays for dcache fills will perturb the schedule, as will
- * load queue full replay traps, etc.
- *
- * If len < NBYTES use byte operations.
- */
- PREF( 0, 0(src) )
- PREF( 1, 0(dst) )
- sltu t2, len, NBYTES
- and t1, dst, ADDRMASK
- PREF( 0, 1*32(src) )
- PREF( 1, 1*32(dst) )
- bnez t2, .Lcopy_bytes_checklen
- and t0, src, ADDRMASK
- PREF( 0, 2*32(src) )
- PREF( 1, 2*32(dst) )
- bnez t1, .Ldst_unaligned
- nop
- bnez t0, .Lsrc_unaligned_dst_aligned
- /*
- * use delay slot for fall-through
- * src and dst are aligned; need to compute rem
- */
-.Lboth_aligned:
- SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter
- beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES
- and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES)
- PREF( 0, 3*32(src) )
- PREF( 1, 3*32(dst) )
- .align 4
-1:
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
- SUB len, len, 8*NBYTES
-EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy)
-EXC( LOAD t7, UNIT(5)(src), .Ll_exc_copy)
- STORE t0, UNIT(0)(dst)
- STORE t1, UNIT(1)(dst)
-EXC( LOAD t0, UNIT(6)(src), .Ll_exc_copy)
-EXC( LOAD t1, UNIT(7)(src), .Ll_exc_copy)
- ADD src, src, 8*NBYTES
- ADD dst, dst, 8*NBYTES
- STORE t2, UNIT(-6)(dst)
- STORE t3, UNIT(-5)(dst)
- STORE t4, UNIT(-4)(dst)
- STORE t7, UNIT(-3)(dst)
- STORE t0, UNIT(-2)(dst)
- STORE t1, UNIT(-1)(dst)
- PREF( 0, 8*32(src) )
- PREF( 1, 8*32(dst) )
- bne len, rem, 1b
- nop
-
- /*
- * len == rem == the number of bytes left to copy < 8*NBYTES
- */
-.Lcleanup_both_aligned:
- beqz len, .Ldone
- sltu t0, len, 4*NBYTES
- bnez t0, .Lless_than_4units
- and rem, len, (NBYTES-1) # rem = len % NBYTES
- /*
- * len >= 4*NBYTES
- */
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
- ADD src, src, 4*NBYTES
- STORE t0, UNIT(0)(dst)
- STORE t1, UNIT(1)(dst)
- STORE t2, UNIT(2)(dst)
- STORE t3, UNIT(3)(dst)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- beqz len, .Ldone
- .set noreorder
-.Lless_than_4units:
- /*
- * rem = len % NBYTES
- */
- beq rem, len, .Lcopy_bytes
- nop
-1:
-EXC( LOAD t0, 0(src), .Ll_exc)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
- STORE t0, 0(dst)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne rem, len, 1b
- .set noreorder
-
- /*
- * src and dst are aligned, need to copy rem bytes (rem < NBYTES)
- * A loop would do only a byte at a time with possible branch
- * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE
- * because can't assume read-access to dst. Instead, use
- * STREST dst, which doesn't require read access to dst.
- *
- * This code should perform better than a simple loop on modern,
- * wide-issue mips processors because the code has fewer branches and
- * more instruction-level parallelism.
- */
-#define bits t2
- beqz len, .Ldone
- ADD t1, dst, len # t1 is just past last byte of dst
- li bits, 8*NBYTES
- SLL rem, len, 3 # rem = number of bits to keep
-EXC( LOAD t0, 0(src), .Ll_exc)
- SUB bits, bits, rem # bits = number of bits to discard
- SHIFT_DISCARD t0, t0, bits
- STREST t0, -1(t1)
- jr ra
- move len, zero
-.Ldst_unaligned:
- /*
- * dst is unaligned
- * t0 = src & ADDRMASK
- * t1 = dst & ADDRMASK; T1 > 0
- * len >= NBYTES
- *
- * Copy enough bytes to align dst
- * Set match = (src and dst have same alignment)
- */
-#define match rem
-EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc)
- ADD t2, zero, NBYTES
-EXC( LDREST t3, REST(0)(src), .Ll_exc_copy)
- SUB t2, t2, t1 # t2 = number of bytes copied
- xor match, t0, t1
- STFIRST t3, FIRST(0)(dst)
- beq len, t2, .Ldone
- SUB len, len, t2
- ADD dst, dst, t2
- beqz match, .Lboth_aligned
- ADD src, src, t2
-
-.Lsrc_unaligned_dst_aligned:
- SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter
- PREF( 0, 3*32(src) )
- beqz t0, .Lcleanup_src_unaligned
- and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES
- PREF( 1, 3*32(dst) )
-1:
-/*
- * Avoid consecutive LD*'s to the same register since some mips
- * implementations can't issue them in the same cycle.
- * It's OK to load FIRST(N+1) before REST(N) because the two addresses
- * are to the same unit (unless src is aligned, but it's not).
- */
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
-EXC( LDREST t1, REST(1)(src), .Ll_exc_copy)
-EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy)
-EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy)
-EXC( LDREST t2, REST(2)(src), .Ll_exc_copy)
-EXC( LDREST t3, REST(3)(src), .Ll_exc_copy)
- PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed)
- ADD src, src, 4*NBYTES
-#ifdef CONFIG_CPU_SB1
- nop # improves slotting
-#endif
- STORE t0, UNIT(0)(dst)
- STORE t1, UNIT(1)(dst)
- STORE t2, UNIT(2)(dst)
- STORE t3, UNIT(3)(dst)
- PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcleanup_src_unaligned:
- beqz len, .Ldone
- and rem, len, NBYTES-1 # rem = len % NBYTES
- beq rem, len, .Lcopy_bytes
- nop
-1:
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
- STORE t0, 0(dst)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcopy_bytes_checklen:
- beqz len, .Ldone
- nop
-.Lcopy_bytes:
- /* 0 < len < NBYTES */
-#define COPY_BYTE(N) \
-EXC( lb t0, N(src), .Ll_exc); \
- SUB len, len, 1; \
- beqz len, .Ldone; \
- sb t0, N(dst)
-
- COPY_BYTE(0)
- COPY_BYTE(1)
-#ifdef USE_DOUBLE
- COPY_BYTE(2)
- COPY_BYTE(3)
- COPY_BYTE(4)
- COPY_BYTE(5)
-#endif
-EXC( lb t0, NBYTES-2(src), .Ll_exc)
- SUB len, len, 1
- jr ra
- sb t0, NBYTES-2(dst)
-.Ldone:
- jr ra
- nop
- END(__copy_user_inatomic)
-
-.Ll_exc_copy:
- /*
- * Copy bytes from src until faulting load address (or until a
- * lb faults)
- *
- * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28)
- * may be more than a byte beyond the last address.
- * Hence, the lb below may get an exception.
- *
- * Assumes src < THREAD_BUADDR($28)
- */
- LOAD t0, TI_TASK($28)
- nop
- LOAD t0, THREAD_BUADDR(t0)
-1:
-EXC( lb t1, 0(src), .Ll_exc)
- ADD src, src, 1
- sb t1, 0(dst) # can't fault -- we're copy_from_user
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 1
- bne src, t0, 1b
- .set noreorder
-.Ll_exc:
- LOAD t0, TI_TASK($28)
- nop
- LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address
- nop
- SUB len, AT, t0 # len number of uncopied bytes
- jr ra
- nop
diff --git a/ANDROID_3.4.5/arch/mips/lib/memcpy.S b/ANDROID_3.4.5/arch/mips/lib/memcpy.S
deleted file mode 100644
index 56a1f85a..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/memcpy.S
+++ /dev/null
@@ -1,566 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Unified implementation of memcpy, memmove and the __copy_user backend.
- *
- * Copyright (C) 1998, 99, 2000, 01, 2002 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 1999, 2000, 01, 2002 Silicon Graphics, Inc.
- * Copyright (C) 2002 Broadcom, Inc.
- * memcpy/copy_user author: Mark Vandevoorde
- * Copyright (C) 2007 Maciej W. Rozycki
- *
- * Mnemonic names for arguments to memcpy/__copy_user
- */
-
-/*
- * Hack to resolve longstanding prefetch issue
- *
- * Prefetching may be fatal on some systems if we're prefetching beyond the
- * end of memory on some systems. It's also a seriously bad idea on non
- * dma-coherent systems.
- */
-#ifdef CONFIG_DMA_NONCOHERENT
-#undef CONFIG_CPU_HAS_PREFETCH
-#endif
-#ifdef CONFIG_MIPS_MALTA
-#undef CONFIG_CPU_HAS_PREFETCH
-#endif
-
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#define dst a0
-#define src a1
-#define len a2
-
-/*
- * Spec
- *
- * memcpy copies len bytes from src to dst and sets v0 to dst.
- * It assumes that
- * - src and dst don't overlap
- * - src is readable
- * - dst is writable
- * memcpy uses the standard calling convention
- *
- * __copy_user copies up to len bytes from src to dst and sets a2 (len) to
- * the number of uncopied bytes due to an exception caused by a read or write.
- * __copy_user assumes that src and dst don't overlap, and that the call is
- * implementing one of the following:
- * copy_to_user
- * - src is readable (no exceptions when reading src)
- * copy_from_user
- * - dst is writable (no exceptions when writing dst)
- * __copy_user uses a non-standard calling convention; see
- * include/asm-mips/uaccess.h
- *
- * When an exception happens on a load, the handler must
- # ensure that all of the destination buffer is overwritten to prevent
- * leaking information to user mode programs.
- */
-
-/*
- * Implementation
- */
-
-/*
- * The exception handler for loads requires that:
- * 1- AT contain the address of the byte just past the end of the source
- * of the copy,
- * 2- src_entry <= src < AT, and
- * 3- (dst - src) == (dst_entry - src_entry),
- * The _entry suffix denotes values when __copy_user was called.
- *
- * (1) is set up up by uaccess.h and maintained by not writing AT in copy_user
- * (2) is met by incrementing src by the number of bytes copied
- * (3) is met by not doing loads between a pair of increments of dst and src
- *
- * The exception handlers for stores adjust len (if necessary) and return.
- * These handlers do not need to overwrite any data.
- *
- * For __rmemcpy and memmove an exception is always a kernel bug, therefore
- * they're not protected.
- */
-
-#define EXC(inst_reg,addr,handler) \
-9: inst_reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-/*
- * Only on the 64-bit kernel we can made use of 64-bit registers.
- */
-#ifdef CONFIG_64BIT
-#define USE_DOUBLE
-#endif
-
-#ifdef USE_DOUBLE
-
-#define LOAD ld
-#define LOADL ldl
-#define LOADR ldr
-#define STOREL sdl
-#define STORER sdr
-#define STORE sd
-#define ADD daddu
-#define SUB dsubu
-#define SRL dsrl
-#define SRA dsra
-#define SLL dsll
-#define SLLV dsllv
-#define SRLV dsrlv
-#define NBYTES 8
-#define LOG_NBYTES 3
-
-/*
- * As we are sharing code base with the mips32 tree (which use the o32 ABI
- * register definitions). We need to redefine the register definitions from
- * the n64 ABI register naming to the o32 ABI register naming.
- */
-#undef t0
-#undef t1
-#undef t2
-#undef t3
-#define t0 $8
-#define t1 $9
-#define t2 $10
-#define t3 $11
-#define t4 $12
-#define t5 $13
-#define t6 $14
-#define t7 $15
-
-#else
-
-#define LOAD lw
-#define LOADL lwl
-#define LOADR lwr
-#define STOREL swl
-#define STORER swr
-#define STORE sw
-#define ADD addu
-#define SUB subu
-#define SRL srl
-#define SLL sll
-#define SRA sra
-#define SLLV sllv
-#define SRLV srlv
-#define NBYTES 4
-#define LOG_NBYTES 2
-
-#endif /* USE_DOUBLE */
-
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#define LDFIRST LOADR
-#define LDREST LOADL
-#define STFIRST STORER
-#define STREST STOREL
-#define SHIFT_DISCARD SLLV
-#else
-#define LDFIRST LOADL
-#define LDREST LOADR
-#define STFIRST STOREL
-#define STREST STORER
-#define SHIFT_DISCARD SRLV
-#endif
-
-#define FIRST(unit) ((unit)*NBYTES)
-#define REST(unit) (FIRST(unit)+NBYTES-1)
-#define UNIT(unit) FIRST(unit)
-
-#define ADDRMASK (NBYTES-1)
-
- .text
- .set noreorder
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- .set noat
-#else
- .set at=v1
-#endif
-
-/*
- * A combined memcpy/__copy_user
- * __copy_user sets len to 0 for success; else to an upper bound of
- * the number of uncopied bytes.
- * memcpy sets v0 to dst.
- */
- .align 5
-LEAF(memcpy) /* a0=dst a1=src a2=len */
- move v0, dst /* return value */
-.L__memcpy:
-FEXPORT(__copy_user)
- /*
- * Note: dst & src may be unaligned, len may be 0
- * Temps
- */
-#define rem t8
-
- R10KCBARRIER(0(ra))
- /*
- * The "issue break"s below are very approximate.
- * Issue delays for dcache fills will perturb the schedule, as will
- * load queue full replay traps, etc.
- *
- * If len < NBYTES use byte operations.
- */
- PREF( 0, 0(src) )
- PREF( 1, 0(dst) )
- sltu t2, len, NBYTES
- and t1, dst, ADDRMASK
- PREF( 0, 1*32(src) )
- PREF( 1, 1*32(dst) )
- bnez t2, .Lcopy_bytes_checklen
- and t0, src, ADDRMASK
- PREF( 0, 2*32(src) )
- PREF( 1, 2*32(dst) )
- bnez t1, .Ldst_unaligned
- nop
- bnez t0, .Lsrc_unaligned_dst_aligned
- /*
- * use delay slot for fall-through
- * src and dst are aligned; need to compute rem
- */
-.Lboth_aligned:
- SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter
- beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES
- and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES)
- PREF( 0, 3*32(src) )
- PREF( 1, 3*32(dst) )
- .align 4
-1:
- R10KCBARRIER(0(ra))
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
- SUB len, len, 8*NBYTES
-EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy)
-EXC( LOAD t7, UNIT(5)(src), .Ll_exc_copy)
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p8u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p7u)
-EXC( LOAD t0, UNIT(6)(src), .Ll_exc_copy)
-EXC( LOAD t1, UNIT(7)(src), .Ll_exc_copy)
- ADD src, src, 8*NBYTES
- ADD dst, dst, 8*NBYTES
-EXC( STORE t2, UNIT(-6)(dst), .Ls_exc_p6u)
-EXC( STORE t3, UNIT(-5)(dst), .Ls_exc_p5u)
-EXC( STORE t4, UNIT(-4)(dst), .Ls_exc_p4u)
-EXC( STORE t7, UNIT(-3)(dst), .Ls_exc_p3u)
-EXC( STORE t0, UNIT(-2)(dst), .Ls_exc_p2u)
-EXC( STORE t1, UNIT(-1)(dst), .Ls_exc_p1u)
- PREF( 0, 8*32(src) )
- PREF( 1, 8*32(dst) )
- bne len, rem, 1b
- nop
-
- /*
- * len == rem == the number of bytes left to copy < 8*NBYTES
- */
-.Lcleanup_both_aligned:
- beqz len, .Ldone
- sltu t0, len, 4*NBYTES
- bnez t0, .Lless_than_4units
- and rem, len, (NBYTES-1) # rem = len % NBYTES
- /*
- * len >= 4*NBYTES
- */
-EXC( LOAD t0, UNIT(0)(src), .Ll_exc)
-EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy)
-EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy)
-EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
- ADD src, src, 4*NBYTES
- R10KCBARRIER(0(ra))
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p4u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p3u)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc_p2u)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc_p1u)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- beqz len, .Ldone
- .set noreorder
-.Lless_than_4units:
- /*
- * rem = len % NBYTES
- */
- beq rem, len, .Lcopy_bytes
- nop
-1:
- R10KCBARRIER(0(ra))
-EXC( LOAD t0, 0(src), .Ll_exc)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc_p1u)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne rem, len, 1b
- .set noreorder
-
- /*
- * src and dst are aligned, need to copy rem bytes (rem < NBYTES)
- * A loop would do only a byte at a time with possible branch
- * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE
- * because can't assume read-access to dst. Instead, use
- * STREST dst, which doesn't require read access to dst.
- *
- * This code should perform better than a simple loop on modern,
- * wide-issue mips processors because the code has fewer branches and
- * more instruction-level parallelism.
- */
-#define bits t2
- beqz len, .Ldone
- ADD t1, dst, len # t1 is just past last byte of dst
- li bits, 8*NBYTES
- SLL rem, len, 3 # rem = number of bits to keep
-EXC( LOAD t0, 0(src), .Ll_exc)
- SUB bits, bits, rem # bits = number of bits to discard
- SHIFT_DISCARD t0, t0, bits
-EXC( STREST t0, -1(t1), .Ls_exc)
- jr ra
- move len, zero
-.Ldst_unaligned:
- /*
- * dst is unaligned
- * t0 = src & ADDRMASK
- * t1 = dst & ADDRMASK; T1 > 0
- * len >= NBYTES
- *
- * Copy enough bytes to align dst
- * Set match = (src and dst have same alignment)
- */
-#define match rem
-EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc)
- ADD t2, zero, NBYTES
-EXC( LDREST t3, REST(0)(src), .Ll_exc_copy)
- SUB t2, t2, t1 # t2 = number of bytes copied
- xor match, t0, t1
- R10KCBARRIER(0(ra))
-EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc)
- beq len, t2, .Ldone
- SUB len, len, t2
- ADD dst, dst, t2
- beqz match, .Lboth_aligned
- ADD src, src, t2
-
-.Lsrc_unaligned_dst_aligned:
- SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter
- PREF( 0, 3*32(src) )
- beqz t0, .Lcleanup_src_unaligned
- and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES
- PREF( 1, 3*32(dst) )
-1:
-/*
- * Avoid consecutive LD*'s to the same register since some mips
- * implementations can't issue them in the same cycle.
- * It's OK to load FIRST(N+1) before REST(N) because the two addresses
- * are to the same unit (unless src is aligned, but it's not).
- */
- R10KCBARRIER(0(ra))
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy)
- SUB len, len, 4*NBYTES
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
-EXC( LDREST t1, REST(1)(src), .Ll_exc_copy)
-EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy)
-EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy)
-EXC( LDREST t2, REST(2)(src), .Ll_exc_copy)
-EXC( LDREST t3, REST(3)(src), .Ll_exc_copy)
- PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed)
- ADD src, src, 4*NBYTES
-#ifdef CONFIG_CPU_SB1
- nop # improves slotting
-#endif
-EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p4u)
-EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p3u)
-EXC( STORE t2, UNIT(2)(dst), .Ls_exc_p2u)
-EXC( STORE t3, UNIT(3)(dst), .Ls_exc_p1u)
- PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 4*NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcleanup_src_unaligned:
- beqz len, .Ldone
- and rem, len, NBYTES-1 # rem = len % NBYTES
- beq rem, len, .Lcopy_bytes
- nop
-1:
- R10KCBARRIER(0(ra))
-EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc)
-EXC( LDREST t0, REST(0)(src), .Ll_exc_copy)
- ADD src, src, NBYTES
- SUB len, len, NBYTES
-EXC( STORE t0, 0(dst), .Ls_exc_p1u)
- .set reorder /* DADDI_WAR */
- ADD dst, dst, NBYTES
- bne len, rem, 1b
- .set noreorder
-
-.Lcopy_bytes_checklen:
- beqz len, .Ldone
- nop
-.Lcopy_bytes:
- /* 0 < len < NBYTES */
- R10KCBARRIER(0(ra))
-#define COPY_BYTE(N) \
-EXC( lb t0, N(src), .Ll_exc); \
- SUB len, len, 1; \
- beqz len, .Ldone; \
-EXC( sb t0, N(dst), .Ls_exc_p1)
-
- COPY_BYTE(0)
- COPY_BYTE(1)
-#ifdef USE_DOUBLE
- COPY_BYTE(2)
- COPY_BYTE(3)
- COPY_BYTE(4)
- COPY_BYTE(5)
-#endif
-EXC( lb t0, NBYTES-2(src), .Ll_exc)
- SUB len, len, 1
- jr ra
-EXC( sb t0, NBYTES-2(dst), .Ls_exc_p1)
-.Ldone:
- jr ra
- nop
- END(memcpy)
-
-.Ll_exc_copy:
- /*
- * Copy bytes from src until faulting load address (or until a
- * lb faults)
- *
- * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28)
- * may be more than a byte beyond the last address.
- * Hence, the lb below may get an exception.
- *
- * Assumes src < THREAD_BUADDR($28)
- */
- LOAD t0, TI_TASK($28)
- nop
- LOAD t0, THREAD_BUADDR(t0)
-1:
-EXC( lb t1, 0(src), .Ll_exc)
- ADD src, src, 1
- sb t1, 0(dst) # can't fault -- we're copy_from_user
- .set reorder /* DADDI_WAR */
- ADD dst, dst, 1
- bne src, t0, 1b
- .set noreorder
-.Ll_exc:
- LOAD t0, TI_TASK($28)
- nop
- LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address
- nop
- SUB len, AT, t0 # len number of uncopied bytes
- /*
- * Here's where we rely on src and dst being incremented in tandem,
- * See (3) above.
- * dst += (fault addr - src) to put dst at first byte to clear
- */
- ADD dst, t0 # compute start address in a1
- SUB dst, src
- /*
- * Clear len bytes starting at dst. Can't call __bzero because it
- * might modify len. An inefficient loop for these rare times...
- */
- .set reorder /* DADDI_WAR */
- SUB src, len, 1
- beqz len, .Ldone
- .set noreorder
-1: sb zero, 0(dst)
- ADD dst, dst, 1
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- bnez src, 1b
- SUB src, src, 1
-#else
- .set push
- .set noat
- li v1, 1
- bnez src, 1b
- SUB src, src, v1
- .set pop
-#endif
- jr ra
- nop
-
-
-#define SEXC(n) \
- .set reorder; /* DADDI_WAR */ \
-.Ls_exc_p ## n ## u: \
- ADD len, len, n*NBYTES; \
- jr ra; \
- .set noreorder
-
-SEXC(8)
-SEXC(7)
-SEXC(6)
-SEXC(5)
-SEXC(4)
-SEXC(3)
-SEXC(2)
-SEXC(1)
-
-.Ls_exc_p1:
- .set reorder /* DADDI_WAR */
- ADD len, len, 1
- jr ra
- .set noreorder
-.Ls_exc:
- jr ra
- nop
-
- .align 5
-LEAF(memmove)
- ADD t0, a0, a2
- ADD t1, a1, a2
- sltu t0, a1, t0 # dst + len <= src -> memcpy
- sltu t1, a0, t1 # dst >= src + len -> memcpy
- and t0, t1
- beqz t0, .L__memcpy
- move v0, a0 /* return value */
- beqz a2, .Lr_out
- END(memmove)
-
- /* fall through to __rmemcpy */
-LEAF(__rmemcpy) /* a0=dst a1=src a2=len */
- sltu t0, a1, a0
- beqz t0, .Lr_end_bytes_up # src >= dst
- nop
- ADD a0, a2 # dst = dst + len
- ADD a1, a2 # src = src + len
-
-.Lr_end_bytes:
- R10KCBARRIER(0(ra))
- lb t0, -1(a1)
- SUB a2, a2, 0x1
- sb t0, -1(a0)
- SUB a1, a1, 0x1
- .set reorder /* DADDI_WAR */
- SUB a0, a0, 0x1
- bnez a2, .Lr_end_bytes
- .set noreorder
-
-.Lr_out:
- jr ra
- move a2, zero
-
-.Lr_end_bytes_up:
- R10KCBARRIER(0(ra))
- lb t0, (a1)
- SUB a2, a2, 0x1
- sb t0, (a0)
- ADD a1, a1, 0x1
- .set reorder /* DADDI_WAR */
- ADD a0, a0, 0x1
- bnez a2, .Lr_end_bytes_up
- .set noreorder
-
- jr ra
- move a2, zero
- END(__rmemcpy)
diff --git a/ANDROID_3.4.5/arch/mips/lib/memset.S b/ANDROID_3.4.5/arch/mips/lib/memset.S
deleted file mode 100644
index 606c8a9e..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/memset.S
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998, 1999, 2000 by Ralf Baechle
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- * Copyright (C) 2007 Maciej W. Rozycki
- */
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#if LONGSIZE == 4
-#define LONG_S_L swl
-#define LONG_S_R swr
-#else
-#define LONG_S_L sdl
-#define LONG_S_R sdr
-#endif
-
-#define EX(insn,reg,addr,handler) \
-9: insn reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
- .macro f_fill64 dst, offset, val, fixup
- EX(LONG_S, \val, (\offset + 0 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 1 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 2 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 3 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 4 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 5 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 6 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 7 * LONGSIZE)(\dst), \fixup)
-#if LONGSIZE == 4
- EX(LONG_S, \val, (\offset + 8 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 9 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 10 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 11 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 12 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 13 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 14 * LONGSIZE)(\dst), \fixup)
- EX(LONG_S, \val, (\offset + 15 * LONGSIZE)(\dst), \fixup)
-#endif
- .endm
-
-/*
- * memset(void *s, int c, size_t n)
- *
- * a0: start of area to clear
- * a1: char to fill with
- * a2: size of area to clear
- */
- .set noreorder
- .align 5
-LEAF(memset)
- beqz a1, 1f
- move v0, a0 /* result */
-
- andi a1, 0xff /* spread fillword */
- LONG_SLL t1, a1, 8
- or a1, t1
- LONG_SLL t1, a1, 16
-#if LONGSIZE == 8
- or a1, t1
- LONG_SLL t1, a1, 32
-#endif
- or a1, t1
-1:
-
-FEXPORT(__bzero)
- sltiu t0, a2, LONGSIZE /* very small region? */
- bnez t0, .Lsmall_memset
- andi t0, a0, LONGMASK /* aligned? */
-
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
- beqz t0, 1f
- PTR_SUBU t0, LONGSIZE /* alignment in bytes */
-#else
- .set noat
- li AT, LONGSIZE
- beqz t0, 1f
- PTR_SUBU t0, AT /* alignment in bytes */
- .set at
-#endif
-
- R10KCBARRIER(0(ra))
-#ifdef __MIPSEB__
- EX(LONG_S_L, a1, (a0), .Lfirst_fixup) /* make word/dword aligned */
-#endif
-#ifdef __MIPSEL__
- EX(LONG_S_R, a1, (a0), .Lfirst_fixup) /* make word/dword aligned */
-#endif
- PTR_SUBU a0, t0 /* long align ptr */
- PTR_ADDU a2, t0 /* correct size */
-
-1: ori t1, a2, 0x3f /* # of full blocks */
- xori t1, 0x3f
- beqz t1, .Lmemset_partial /* no block to fill */
- andi t0, a2, 0x40-LONGSIZE
-
- PTR_ADDU t1, a0 /* end address */
- .set reorder
-1: PTR_ADDIU a0, 64
- R10KCBARRIER(0(ra))
- f_fill64 a0, -64, a1, .Lfwd_fixup
- bne t1, a0, 1b
- .set noreorder
-
-.Lmemset_partial:
- R10KCBARRIER(0(ra))
- PTR_LA t1, 2f /* where to start */
-#if LONGSIZE == 4
- PTR_SUBU t1, t0
-#else
- .set noat
- LONG_SRL AT, t0, 1
- PTR_SUBU t1, AT
- .set at
-#endif
- jr t1
- PTR_ADDU a0, t0 /* dest ptr */
-
- .set push
- .set noreorder
- .set nomacro
- f_fill64 a0, -64, a1, .Lpartial_fixup /* ... but first do longs ... */
-2: .set pop
- andi a2, LONGMASK /* At most one long to go */
-
- beqz a2, 1f
- PTR_ADDU a0, a2 /* What's left */
- R10KCBARRIER(0(ra))
-#ifdef __MIPSEB__
- EX(LONG_S_R, a1, -1(a0), .Llast_fixup)
-#endif
-#ifdef __MIPSEL__
- EX(LONG_S_L, a1, -1(a0), .Llast_fixup)
-#endif
-1: jr ra
- move a2, zero
-
-.Lsmall_memset:
- beqz a2, 2f
- PTR_ADDU t1, a0, a2
-
-1: PTR_ADDIU a0, 1 /* fill bytewise */
- R10KCBARRIER(0(ra))
- bne t1, a0, 1b
- sb a1, -1(a0)
-
-2: jr ra /* done */
- move a2, zero
- END(memset)
-
-.Lfirst_fixup:
- jr ra
- nop
-
-.Lfwd_fixup:
- PTR_L t0, TI_TASK($28)
- andi a2, 0x3f
- LONG_L t0, THREAD_BUADDR(t0)
- LONG_ADDU a2, t1
- jr ra
- LONG_SUBU a2, t0
-
-.Lpartial_fixup:
- PTR_L t0, TI_TASK($28)
- andi a2, LONGMASK
- LONG_L t0, THREAD_BUADDR(t0)
- LONG_ADDU a2, t1
- jr ra
- LONG_SUBU a2, t0
-
-.Llast_fixup:
- jr ra
- andi v1, a2, LONGMASK
diff --git a/ANDROID_3.4.5/arch/mips/lib/r3k_dump_tlb.c b/ANDROID_3.4.5/arch/mips/lib/r3k_dump_tlb.c
deleted file mode 100644
index 9cee9079..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/r3k_dump_tlb.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Dump R3000 TLB for debugging purposes.
- *
- * Copyright (C) 1994, 1995 by Waldorf Electronics, written by Ralf Baechle.
- * Copyright (C) 1999 by Silicon Graphics, Inc.
- * Copyright (C) 1999 by Harald Koerfgen
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-
-#include <asm/mipsregs.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/tlbdebug.h>
-
-extern int r3k_have_wired_reg; /* defined in tlb-r3k.c */
-
-static void dump_tlb(int first, int last)
-{
- int i;
- unsigned int asid;
- unsigned long entryhi, entrylo0;
-
- asid = read_c0_entryhi() & 0xfc0;
-
- for (i = first; i <= last; i++) {
- write_c0_index(i<<8);
- __asm__ __volatile__(
- ".set\tnoreorder\n\t"
- "tlbr\n\t"
- "nop\n\t"
- ".set\treorder");
- entryhi = read_c0_entryhi();
- entrylo0 = read_c0_entrylo0();
-
- /* Unused entries have a virtual address of KSEG0. */
- if ((entryhi & 0xffffe000) != 0x80000000
- && (entryhi & 0xfc0) == asid) {
- /*
- * Only print entries in use
- */
- printk("Index: %2d ", i);
-
- printk("va=%08lx asid=%08lx"
- " [pa=%06lx n=%d d=%d v=%d g=%d]",
- (entryhi & 0xffffe000),
- entryhi & 0xfc0,
- entrylo0 & PAGE_MASK,
- (entrylo0 & (1 << 11)) ? 1 : 0,
- (entrylo0 & (1 << 10)) ? 1 : 0,
- (entrylo0 & (1 << 9)) ? 1 : 0,
- (entrylo0 & (1 << 8)) ? 1 : 0);
- }
- }
- printk("\n");
-
- write_c0_entryhi(asid);
-}
-
-void dump_tlb_all(void)
-{
- dump_tlb(0, current_cpu_data.tlbsize - 1);
-}
diff --git a/ANDROID_3.4.5/arch/mips/lib/strlen_user.S b/ANDROID_3.4.5/arch/mips/lib/strlen_user.S
deleted file mode 100644
index fdbb970f..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/strlen_user.S
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 1996, 1998, 1999, 2004 by Ralf Baechle
- * Copyright (c) 1999 Silicon Graphics, Inc.
- */
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#define EX(insn,reg,addr,handler) \
-9: insn reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 for error
- */
-LEAF(__strlen_user_asm)
- LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
- and v0, a0
- bnez v0, .Lfault
-
-FEXPORT(__strlen_user_nocheck_asm)
- move v0, a0
-1: EX(lb, t0, (v0), .Lfault)
- PTR_ADDIU v0, 1
- bnez t0, 1b
- PTR_SUBU v0, a0
- jr ra
- END(__strlen_user_asm)
-
-.Lfault: move v0, zero
- jr ra
diff --git a/ANDROID_3.4.5/arch/mips/lib/strncpy_user.S b/ANDROID_3.4.5/arch/mips/lib/strncpy_user.S
deleted file mode 100644
index 7201b2ff..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/strncpy_user.S
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 1996, 1999 by Ralf Baechle
- */
-#include <linux/errno.h>
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#define EX(insn,reg,addr,handler) \
-9: insn reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-/*
- * Returns: -EFAULT if exception before terminator, N if the entire
- * buffer filled, else strlen.
- */
-
-/*
- * Ugly special case have to check: we might get passed a user space
- * pointer which wraps into the kernel space. We don't deal with that. If
- * it happens at most some bytes of the exceptions handlers will be copied.
- */
-
-LEAF(__strncpy_from_user_asm)
- LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
- and v0, a1
- bnez v0, .Lfault
-
-FEXPORT(__strncpy_from_user_nocheck_asm)
- move v0, zero
- move v1, a1
- .set noreorder
-1: EX(lbu, t0, (v1), .Lfault)
- PTR_ADDIU v1, 1
- R10KCBARRIER(0(ra))
- beqz t0, 2f
- sb t0, (a0)
- PTR_ADDIU v0, 1
- .set reorder
- PTR_ADDIU a0, 1
- bne v0, a2, 1b
-2: PTR_ADDU t0, a1, v0
- xor t0, a1
- bltz t0, .Lfault
- jr ra # return n
- END(__strncpy_from_user_asm)
-
-.Lfault: li v0, -EFAULT
- jr ra
-
- .section __ex_table,"a"
- PTR 1b, .Lfault
- .previous
diff --git a/ANDROID_3.4.5/arch/mips/lib/strnlen_user.S b/ANDROID_3.4.5/arch/mips/lib/strnlen_user.S
deleted file mode 100644
index 64457162..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/strnlen_user.S
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 1996, 1998, 1999, 2004 by Ralf Baechle
- * Copyright (c) 1999 Silicon Graphics, Inc.
- */
-#include <asm/asm.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
-#define EX(insn,reg,addr,handler) \
-9: insn reg, addr; \
- .section __ex_table,"a"; \
- PTR 9b, handler; \
- .previous
-
-/*
- * Return the size of a string including the ending NUL character up to a
- * maximum of a1 or 0 in case of error.
- *
- * Note: for performance reasons we deliberately accept that a user may
- * make strlen_user and strnlen_user access the first few KSEG0
- * bytes. There's nothing secret there. On 64-bit accessing beyond
- * the maximum is a tad hairier ...
- */
-LEAF(__strnlen_user_asm)
- LONG_L v0, TI_ADDR_LIMIT($28) # pointer ok?
- and v0, a0
- bnez v0, .Lfault
-
-FEXPORT(__strnlen_user_nocheck_asm)
- move v0, a0
- PTR_ADDU a1, a0 # stop pointer
-1: beq v0, a1, 1f # limit reached?
- EX(lb, t0, (v0), .Lfault)
- PTR_ADDU v0, 1
- bnez t0, 1b
-1: PTR_SUBU v0, a0
- jr ra
- END(__strnlen_user_asm)
-
-.Lfault:
- move v0, zero
- jr ra
diff --git a/ANDROID_3.4.5/arch/mips/lib/ucmpdi2.c b/ANDROID_3.4.5/arch/mips/lib/ucmpdi2.c
deleted file mode 100644
index bb4cb2f8..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/ucmpdi2.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <linux/module.h>
-
-#include "libgcc.h"
-
-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
-{
- const DWunion au = {.ll = a};
- const DWunion bu = {.ll = b};
-
- if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
- return 0;
- else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
- return 2;
- if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
- return 0;
- else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
- return 2;
- return 1;
-}
-
-EXPORT_SYMBOL(__ucmpdi2);
diff --git a/ANDROID_3.4.5/arch/mips/lib/uncached.c b/ANDROID_3.4.5/arch/mips/lib/uncached.c
deleted file mode 100644
index a6d1c770..00000000
--- a/ANDROID_3.4.5/arch/mips/lib/uncached.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2005 Thiemo Seufer
- * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
- * Author: Maciej W. Rozycki <macro@mips.com>
- */
-
-#include <linux/init.h>
-
-#include <asm/addrspace.h>
-#include <asm/bug.h>
-#include <asm/cacheflush.h>
-
-#ifndef CKSEG2
-#define CKSEG2 CKSSEG
-#endif
-#ifndef TO_PHYS_MASK
-#define TO_PHYS_MASK -1
-#endif
-
-/*
- * FUNC is executed in one of the uncached segments, depending on its
- * original address as follows:
- *
- * 1. If the original address is in CKSEG0 or CKSEG1, then the uncached
- * segment used is CKSEG1.
- * 2. If the original address is in XKPHYS, then the uncached segment
- * used is XKPHYS(2).
- * 3. Otherwise it's a bug.
- *
- * The same remapping is done with the stack pointer. Stack handling
- * works because we don't handle stack arguments or more complex return
- * values, so we can avoid sharing the same stack area between a cached
- * and the uncached mode.
- */
-unsigned long __cpuinit run_uncached(void *func)
-{
- register long sp __asm__("$sp");
- register long ret __asm__("$2");
- long lfunc = (long)func, ufunc;
- long usp;
-
- if (sp >= (long)CKSEG0 && sp < (long)CKSEG2)
- usp = CKSEG1ADDR(sp);
-#ifdef CONFIG_64BIT
- else if ((long long)sp >= (long long)PHYS_TO_XKPHYS(0, 0) &&
- (long long)sp < (long long)PHYS_TO_XKPHYS(8, 0))
- usp = PHYS_TO_XKPHYS(K_CALG_UNCACHED,
- XKPHYS_TO_PHYS((long long)sp));
-#endif
- else {
- BUG();
- usp = sp;
- }
- if (lfunc >= (long)CKSEG0 && lfunc < (long)CKSEG2)
- ufunc = CKSEG1ADDR(lfunc);
-#ifdef CONFIG_64BIT
- else if ((long long)lfunc >= (long long)PHYS_TO_XKPHYS(0, 0) &&
- (long long)lfunc < (long long)PHYS_TO_XKPHYS(8, 0))
- ufunc = PHYS_TO_XKPHYS(K_CALG_UNCACHED,
- XKPHYS_TO_PHYS((long long)lfunc));
-#endif
- else {
- BUG();
- ufunc = lfunc;
- }
-
- __asm__ __volatile__ (
- " move $16, $sp\n"
- " move $sp, %1\n"
- " jalr %2\n"
- " move $sp, $16"
- : "=r" (ret)
- : "r" (usp), "r" (ufunc)
- : "$16", "$31");
-
- return ret;
-}