| entry_32.S (446279168e030fd0ed68e2bba336bef8bb3da352) | entry_32.S (688de017efaab8a7764ab2c05ce7128d0361023b) |
|---|---|
| 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 --- 35 unchanged lines hidden (view full) --- 44 45/* 46 * Align to 4k in order to ensure that all functions modyfing srr0/srr1 47 * fit into one page in order to not encounter a TLB miss between the 48 * modification of srr0/srr1 and the associated rfi. 49 */ 50 .align 12 51 | 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 --- 35 unchanged lines hidden (view full) --- 44 45/* 46 * Align to 4k in order to ensure that all functions modyfing srr0/srr1 47 * fit into one page in order to not encounter a TLB miss between the 48 * modification of srr0/srr1 and the associated rfi. 49 */ 50 .align 12 51 |
| 52#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_E500) | 52#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_E500) |
| 53 .globl prepare_transfer_to_handler 54prepare_transfer_to_handler: 55 /* if from kernel, check interrupted DOZE/NAP mode */ 56 lwz r12,TI_LOCAL_FLAGS(r2) 57 mtcrf 0x01,r12 58 bt- 31-TLF_NAPPING,4f 59 bt- 31-TLF_SLEEPING,7f 60 blr --- 5 unchanged lines hidden (view full) --- 667: rlwinm r12,r12,0,~_TLF_SLEEPING 67 stw r12,TI_LOCAL_FLAGS(r2) 68 lwz r9,_MSR(r11) /* if sleeping, clear MSR.EE */ 69 rlwinm r9,r9,0,~MSR_EE 70 lwz r12,_LINK(r11) /* and return to address in LR */ 71 lwz r2, GPR2(r11) 72 b fast_exception_return 73_ASM_NOKPROBE_SYMBOL(prepare_transfer_to_handler) | 53 .globl prepare_transfer_to_handler 54prepare_transfer_to_handler: 55 /* if from kernel, check interrupted DOZE/NAP mode */ 56 lwz r12,TI_LOCAL_FLAGS(r2) 57 mtcrf 0x01,r12 58 bt- 31-TLF_NAPPING,4f 59 bt- 31-TLF_SLEEPING,7f 60 blr --- 5 unchanged lines hidden (view full) --- 667: rlwinm r12,r12,0,~_TLF_SLEEPING 67 stw r12,TI_LOCAL_FLAGS(r2) 68 lwz r9,_MSR(r11) /* if sleeping, clear MSR.EE */ 69 rlwinm r9,r9,0,~MSR_EE 70 lwz r12,_LINK(r11) /* and return to address in LR */ 71 lwz r2, GPR2(r11) 72 b fast_exception_return 73_ASM_NOKPROBE_SYMBOL(prepare_transfer_to_handler) |
| 74#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_E500 */ | 74#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_PPC_E500 */ |
| 75 76#if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) 77 .globl __kuep_lock 78__kuep_lock: 79 lwz r9, THREAD+THSR0(r2) 80 update_user_segments_by_4 r9, r10, r11, r12 81 blr 82 --- 475 unchanged lines hidden --- | 75 76#if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) 77 .globl __kuep_lock 78__kuep_lock: 79 lwz r9, THREAD+THSR0(r2) 80 update_user_segments_by_4 r9, r10, r11, r12 81 blr 82 --- 475 unchanged lines hidden --- |