| entry_32.S (002c6ca75289a4ac4f6738213dd2d258704886e4) | entry_32.S (2da37761671b5bdedbe04e6469cfa57cd6b6ae45) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * Rewritten by Cort Dougan (cort@fsmlabs.com) for PReP 6 * Copyright (C) 1996 Cort Dougan <cort@fsmlabs.com> 7 * Adapted for Power Macintosh by Paul Mackerras. 8 * Low-level exception handlers and MMU support --- 4 unchanged lines hidden (view full) --- 13 * This file contains the system call entry code, context switch 14 * code, and exception/interrupt return code for PowerPC. 15 */ 16 17#include <linux/errno.h> 18#include <linux/err.h> 19#include <linux/sys.h> 20#include <linux/threads.h> | 1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * Rewritten by Cort Dougan (cort@fsmlabs.com) for PReP 6 * Copyright (C) 1996 Cort Dougan <cort@fsmlabs.com> 7 * Adapted for Power Macintosh by Paul Mackerras. 8 * Low-level exception handlers and MMU support --- 4 unchanged lines hidden (view full) --- 13 * This file contains the system call entry code, context switch 14 * code, and exception/interrupt return code for PowerPC. 15 */ 16 17#include <linux/errno.h> 18#include <linux/err.h> 19#include <linux/sys.h> 20#include <linux/threads.h> |
| 21#include <linux/linkage.h> 22 |
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| 21#include <asm/reg.h> 22#include <asm/page.h> 23#include <asm/mmu.h> 24#include <asm/cputable.h> 25#include <asm/thread_info.h> 26#include <asm/ppc_asm.h> 27#include <asm/asm-offsets.h> 28#include <asm/unistd.h> --- 40 unchanged lines hidden (view full) --- 69 rlwinm r9,r9,0,~MSR_EE 70 lwz r12,_LINK(r11) /* and return to address in LR */ 71 REST_GPR(2, r11) 72 b fast_exception_return 73_ASM_NOKPROBE_SYMBOL(prepare_transfer_to_handler) 74#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_PPC_E500 */ 75 76#if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) | 23#include <asm/reg.h> 24#include <asm/page.h> 25#include <asm/mmu.h> 26#include <asm/cputable.h> 27#include <asm/thread_info.h> 28#include <asm/ppc_asm.h> 29#include <asm/asm-offsets.h> 30#include <asm/unistd.h> --- 40 unchanged lines hidden (view full) --- 71 rlwinm r9,r9,0,~MSR_EE 72 lwz r12,_LINK(r11) /* and return to address in LR */ 73 REST_GPR(2, r11) 74 b fast_exception_return 75_ASM_NOKPROBE_SYMBOL(prepare_transfer_to_handler) 76#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_PPC_E500 */ 77 78#if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) |
| 77 .globl __kuep_lock 78__kuep_lock: | 79SYM_FUNC_START(__kuep_lock) |
| 79 lwz r9, THREAD+THSR0(r2) 80 update_user_segments_by_4 r9, r10, r11, r12 81 blr | 80 lwz r9, THREAD+THSR0(r2) 81 update_user_segments_by_4 r9, r10, r11, r12 82 blr |
| 83SYM_FUNC_END(__kuep_lock) |
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| 82 | 84 |
| 83__kuep_unlock: | 85SYM_FUNC_START_LOCAL(__kuep_unlock) |
| 84 lwz r9, THREAD+THSR0(r2) 85 rlwinm r9,r9,0,~SR_NX 86 update_user_segments_by_4 r9, r10, r11, r12 87 blr | 86 lwz r9, THREAD+THSR0(r2) 87 rlwinm r9,r9,0,~SR_NX 88 update_user_segments_by_4 r9, r10, r11, r12 89 blr |
| 90SYM_FUNC_END(__kuep_unlock) |
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| 88 89.macro kuep_lock 90 bl __kuep_lock 91.endm 92.macro kuep_unlock 93 bl __kuep_unlock 94.endm 95#else --- 456 unchanged lines hidden --- | 91 92.macro kuep_lock 93 bl __kuep_lock 94.endm 95.macro kuep_unlock 96 bl __kuep_unlock 97.endm 98#else --- 456 unchanged lines hidden --- |