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diff --git a/ANDROID_3.4.5/arch/powerpc/include/asm/exception-64s.h b/ANDROID_3.4.5/arch/powerpc/include/asm/exception-64s.h
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index d58fc4e4..00000000
--- a/ANDROID_3.4.5/arch/powerpc/include/asm/exception-64s.h
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-#ifndef _ASM_POWERPC_EXCEPTION_H
-#define _ASM_POWERPC_EXCEPTION_H
-/*
- * Extracted from head_64.S
- *
- * PowerPC version
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
- * Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
- * Adapted for Power Macintosh by Paul Mackerras.
- * Low-level exception handlers and MMU support
- * rewritten by Paul Mackerras.
- * Copyright (C) 1996 Paul Mackerras.
- *
- * Adapted for 64bit PowerPC by Dave Engebretsen, Peter Bergner, and
- * Mike Corrigan {engebret|bergner|mikejc}@us.ibm.com
- *
- * This file contains the low-level support and setup for the
- * PowerPC-64 platform, including trap and interrupt dispatch.
- *
- * This program 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 of the License, or (at your option) any later version.
- */
-/*
- * The following macros define the code that appears as
- * the prologue to each of the exception handlers. They
- * are split into two parts to allow a single kernel binary
- * to be used for pSeries and iSeries.
- *
- * We make as much of the exception code common between native
- * exception handlers (including pSeries LPAR) and iSeries LPAR
- * implementations as possible.
- */
-
-#define EX_R9 0
-#define EX_R10 8
-#define EX_R11 16
-#define EX_R12 24
-#define EX_R13 32
-#define EX_SRR0 40
-#define EX_DAR 48
-#define EX_DSISR 56
-#define EX_CCR 60
-#define EX_R3 64
-#define EX_LR 72
-#define EX_CFAR 80
-
-/*
- * We're short on space and time in the exception prolog, so we can't
- * use the normal SET_REG_IMMEDIATE macro. Normally we just need the
- * low halfword of the address, but for Kdump we need the whole low
- * word.
- */
-#define LOAD_HANDLER(reg, label) \
- addi reg,reg,(label)-_stext; /* virt addr of handler ... */
-
-/* Exception register prefixes */
-#define EXC_HV H
-#define EXC_STD
-
-#define __EXCEPTION_PROLOG_1(area, extra, vec) \
- GET_PACA(r13); \
- std r9,area+EX_R9(r13); /* save r9 - r12 */ \
- std r10,area+EX_R10(r13); \
- BEGIN_FTR_SECTION_NESTED(66); \
- mfspr r10,SPRN_CFAR; \
- std r10,area+EX_CFAR(r13); \
- END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
- mfcr r9; \
- extra(vec); \
- std r11,area+EX_R11(r13); \
- std r12,area+EX_R12(r13); \
- GET_SCRATCH0(r10); \
- std r10,area+EX_R13(r13)
-#define EXCEPTION_PROLOG_1(area, extra, vec) \
- __EXCEPTION_PROLOG_1(area, extra, vec)
-
-#define __EXCEPTION_PROLOG_PSERIES_1(label, h) \
- ld r12,PACAKBASE(r13); /* get high part of &label */ \
- ld r10,PACAKMSR(r13); /* get MSR value for kernel */ \
- mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \
- LOAD_HANDLER(r12,label) \
- mtspr SPRN_##h##SRR0,r12; \
- mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \
- mtspr SPRN_##h##SRR1,r10; \
- h##rfid; \
- b . /* prevent speculative execution */
-#define EXCEPTION_PROLOG_PSERIES_1(label, h) \
- __EXCEPTION_PROLOG_PSERIES_1(label, h)
-
-#define EXCEPTION_PROLOG_PSERIES(area, label, h, extra, vec) \
- EXCEPTION_PROLOG_1(area, extra, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label, h);
-
-#define __KVMTEST(n) \
- lbz r10,HSTATE_IN_GUEST(r13); \
- cmpwi r10,0; \
- bne do_kvm_##n
-
-#define __KVM_HANDLER(area, h, n) \
-do_kvm_##n: \
- ld r10,area+EX_R10(r13); \
- stw r9,HSTATE_SCRATCH1(r13); \
- ld r9,area+EX_R9(r13); \
- std r12,HSTATE_SCRATCH0(r13); \
- li r12,n; \
- b kvmppc_interrupt
-
-#define __KVM_HANDLER_SKIP(area, h, n) \
-do_kvm_##n: \
- cmpwi r10,KVM_GUEST_MODE_SKIP; \
- ld r10,area+EX_R10(r13); \
- beq 89f; \
- stw r9,HSTATE_SCRATCH1(r13); \
- ld r9,area+EX_R9(r13); \
- std r12,HSTATE_SCRATCH0(r13); \
- li r12,n; \
- b kvmppc_interrupt; \
-89: mtocrf 0x80,r9; \
- ld r9,area+EX_R9(r13); \
- b kvmppc_skip_##h##interrupt
-
-#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#define KVMTEST(n) __KVMTEST(n)
-#define KVM_HANDLER(area, h, n) __KVM_HANDLER(area, h, n)
-#define KVM_HANDLER_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n)
-
-#else
-#define KVMTEST(n)
-#define KVM_HANDLER(area, h, n)
-#define KVM_HANDLER_SKIP(area, h, n)
-#endif
-
-#ifdef CONFIG_KVM_BOOK3S_PR
-#define KVMTEST_PR(n) __KVMTEST(n)
-#define KVM_HANDLER_PR(area, h, n) __KVM_HANDLER(area, h, n)
-#define KVM_HANDLER_PR_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n)
-
-#else
-#define KVMTEST_PR(n)
-#define KVM_HANDLER_PR(area, h, n)
-#define KVM_HANDLER_PR_SKIP(area, h, n)
-#endif
-
-#define NOTEST(n)
-
-/*
- * The common exception prolog is used for all except a few exceptions
- * such as a segment miss on a kernel address. We have to be prepared
- * to take another exception from the point where we first touch the
- * kernel stack onwards.
- *
- * On entry r13 points to the paca, r9-r13 are saved in the paca,
- * r9 contains the saved CR, r11 and r12 contain the saved SRR0 and
- * SRR1, and relocation is on.
- */
-#define EXCEPTION_PROLOG_COMMON(n, area) \
- andi. r10,r12,MSR_PR; /* See if coming from user */ \
- mr r10,r1; /* Save r1 */ \
- subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \
- beq- 1f; \
- ld r1,PACAKSAVE(r13); /* kernel stack to use */ \
-1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \
- blt+ cr1,3f; /* abort if it is */ \
- li r1,(n); /* will be reloaded later */ \
- sth r1,PACA_TRAP_SAVE(r13); \
- std r3,area+EX_R3(r13); \
- addi r3,r13,area; /* r3 -> where regs are saved*/ \
- b bad_stack; \
-3: std r9,_CCR(r1); /* save CR in stackframe */ \
- std r11,_NIP(r1); /* save SRR0 in stackframe */ \
- std r12,_MSR(r1); /* save SRR1 in stackframe */ \
- std r10,0(r1); /* make stack chain pointer */ \
- std r0,GPR0(r1); /* save r0 in stackframe */ \
- std r10,GPR1(r1); /* save r1 in stackframe */ \
- ACCOUNT_CPU_USER_ENTRY(r9, r10); \
- std r2,GPR2(r1); /* save r2 in stackframe */ \
- SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \
- SAVE_2GPRS(7, r1); /* save r7, r8 in stackframe */ \
- ld r9,area+EX_R9(r13); /* move r9, r10 to stackframe */ \
- ld r10,area+EX_R10(r13); \
- std r9,GPR9(r1); \
- std r10,GPR10(r1); \
- ld r9,area+EX_R11(r13); /* move r11 - r13 to stackframe */ \
- ld r10,area+EX_R12(r13); \
- ld r11,area+EX_R13(r13); \
- std r9,GPR11(r1); \
- std r10,GPR12(r1); \
- std r11,GPR13(r1); \
- BEGIN_FTR_SECTION_NESTED(66); \
- ld r10,area+EX_CFAR(r13); \
- std r10,ORIG_GPR3(r1); \
- END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
- ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \
- mflr r9; /* save LR in stackframe */ \
- std r9,_LINK(r1); \
- mfctr r10; /* save CTR in stackframe */ \
- std r10,_CTR(r1); \
- lbz r10,PACASOFTIRQEN(r13); \
- mfspr r11,SPRN_XER; /* save XER in stackframe */ \
- std r10,SOFTE(r1); \
- std r11,_XER(r1); \
- li r9,(n)+1; \
- std r9,_TRAP(r1); /* set trap number */ \
- li r10,0; \
- ld r11,exception_marker@toc(r2); \
- std r10,RESULT(r1); /* clear regs->result */ \
- std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ \
- ACCOUNT_STOLEN_TIME
-
-/*
- * Exception vectors.
- */
-#define STD_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
- .globl label##_pSeries; \
-label##_pSeries: \
- HMT_MEDIUM; \
- SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_STD, KVMTEST_PR, vec)
-
-#define STD_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_hv; \
-label##_hv: \
- HMT_MEDIUM; \
- SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_HV, KVMTEST, vec)
-
-/* This associate vector numbers with bits in paca->irq_happened */
-#define SOFTEN_VALUE_0x500 PACA_IRQ_EE
-#define SOFTEN_VALUE_0x502 PACA_IRQ_EE
-#define SOFTEN_VALUE_0x900 PACA_IRQ_DEC
-#define SOFTEN_VALUE_0x982 PACA_IRQ_DEC
-
-#define __SOFTEN_TEST(h, vec) \
- lbz r10,PACASOFTIRQEN(r13); \
- cmpwi r10,0; \
- li r10,SOFTEN_VALUE_##vec; \
- beq masked_##h##interrupt
-#define _SOFTEN_TEST(h, vec) __SOFTEN_TEST(h, vec)
-
-#define SOFTEN_TEST_PR(vec) \
- KVMTEST_PR(vec); \
- _SOFTEN_TEST(EXC_STD, vec)
-
-#define SOFTEN_TEST_HV(vec) \
- KVMTEST(vec); \
- _SOFTEN_TEST(EXC_HV, vec)
-
-#define SOFTEN_TEST_HV_201(vec) \
- KVMTEST(vec); \
- _SOFTEN_TEST(EXC_STD, vec)
-
-#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \
- HMT_MEDIUM; \
- SET_SCRATCH0(r13); /* save r13 */ \
- __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, h);
-#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \
- __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)
-
-#define MASKABLE_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
- .globl label##_pSeries; \
-label##_pSeries: \
- _MASKABLE_EXCEPTION_PSERIES(vec, label, \
- EXC_STD, SOFTEN_TEST_PR)
-
-#define MASKABLE_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_hv; \
-label##_hv: \
- _MASKABLE_EXCEPTION_PSERIES(vec, label, \
- EXC_HV, SOFTEN_TEST_HV)
-
-/*
- * Our exception common code can be passed various "additions"
- * to specify the behaviour of interrupts, whether to kick the
- * runlatch, etc...
- */
-
-/* Exception addition: Hard disable interrupts */
-#define DISABLE_INTS SOFT_DISABLE_INTS(r10,r11)
-
-#define ADD_NVGPRS \
- bl .save_nvgprs
-
-#define RUNLATCH_ON \
-BEGIN_FTR_SECTION \
- clrrdi r3,r1,THREAD_SHIFT; \
- ld r4,TI_LOCAL_FLAGS(r3); \
- andi. r0,r4,_TLF_RUNLATCH; \
- beql ppc64_runlatch_on_trampoline; \
-END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
-
-#define EXCEPTION_COMMON(trap, label, hdlr, ret, additions) \
- .align 7; \
- .globl label##_common; \
-label##_common: \
- EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
- additions; \
- addi r3,r1,STACK_FRAME_OVERHEAD; \
- bl hdlr; \
- b ret
-
-#define STD_EXCEPTION_COMMON(trap, label, hdlr) \
- EXCEPTION_COMMON(trap, label, hdlr, ret_from_except, \
- ADD_NVGPRS;DISABLE_INTS)
-
-/*
- * Like STD_EXCEPTION_COMMON, but for exceptions that can occur
- * in the idle task and therefore need the special idle handling
- * (finish nap and runlatch)
- */
-#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \
- EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \
- FINISH_NAP;RUNLATCH_ON;DISABLE_INTS)
-
-/*
- * When the idle code in power4_idle puts the CPU into NAP mode,
- * it has to do so in a loop, and relies on the external interrupt
- * and decrementer interrupt entry code to get it out of the loop.
- * It sets the _TLF_NAPPING bit in current_thread_info()->local_flags
- * to signal that it is in the loop and needs help to get out.
- */
-#ifdef CONFIG_PPC_970_NAP
-#define FINISH_NAP \
-BEGIN_FTR_SECTION \
- clrrdi r11,r1,THREAD_SHIFT; \
- ld r9,TI_LOCAL_FLAGS(r11); \
- andi. r10,r9,_TLF_NAPPING; \
- bnel power4_fixup_nap; \
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
-#else
-#define FINISH_NAP
-#endif
-
-#endif /* _ASM_POWERPC_EXCEPTION_H */
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