| fpu.S (2e21dee6a46a66e4c2ced778485e1044101edee4) | fpu.S (cb8a2ef0848ca80d67d6d56e2df757cfdf6b3355) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Author: Lu Zeng <zenglu@loongson.cn> 4 * Pei Huang <huangpei@loongson.cn> 5 * Huacai Chen <chenhuacai@loongson.cn> 6 * 7 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 8 */ 9#include <linux/export.h> 10#include <asm/asm.h> 11#include <asm/asmmacro.h> 12#include <asm/asm-extable.h> 13#include <asm/asm-offsets.h> 14#include <asm/errno.h> 15#include <asm/fpregdef.h> 16#include <asm/loongarch.h> 17#include <asm/regdef.h> | 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Author: Lu Zeng <zenglu@loongson.cn> 4 * Pei Huang <huangpei@loongson.cn> 5 * Huacai Chen <chenhuacai@loongson.cn> 6 * 7 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 8 */ 9#include <linux/export.h> 10#include <asm/asm.h> 11#include <asm/asmmacro.h> 12#include <asm/asm-extable.h> 13#include <asm/asm-offsets.h> 14#include <asm/errno.h> 15#include <asm/fpregdef.h> 16#include <asm/loongarch.h> 17#include <asm/regdef.h> |
| 18#include <asm/unwind_hints.h> |
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| 18 19#define FPU_REG_WIDTH 8 20#define LSX_REG_WIDTH 16 21#define LASX_REG_WIDTH 32 22 23 .macro EX insn, reg, src, offs 24.ex\@: \insn \reg, \src, \offs 25 _asm_extable .ex\@, .L_fpu_fault --- 495 unchanged lines hidden (view full) --- 521 sc_restore_fcsr a2, t1 522 li.w a0, 0 # success 523 jr ra 524SYM_FUNC_END(_restore_lasx_context) 525 526.L_fpu_fault: 527 li.w a0, -EFAULT # failure 528 jr ra | 19 20#define FPU_REG_WIDTH 8 21#define LSX_REG_WIDTH 16 22#define LASX_REG_WIDTH 32 23 24 .macro EX insn, reg, src, offs 25.ex\@: \insn \reg, \src, \offs 26 _asm_extable .ex\@, .L_fpu_fault --- 495 unchanged lines hidden (view full) --- 522 sc_restore_fcsr a2, t1 523 li.w a0, 0 # success 524 jr ra 525SYM_FUNC_END(_restore_lasx_context) 526 527.L_fpu_fault: 528 li.w a0, -EFAULT # failure 529 jr ra |
| 530 531#ifdef CONFIG_CPU_HAS_LBT 532STACK_FRAME_NON_STANDARD _restore_fp 533STACK_FRAME_NON_STANDARD _restore_lsx 534STACK_FRAME_NON_STANDARD _restore_lasx 535#endif |
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