mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
e23bb06b17
The current exeception register structure in selftests are missing few registers (e.g stval). Instead of adding it manually, change the ex_regs to align with pt_regs to make it future proof. Suggested-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20250430-kvm_selftest_improve-v3-1-eea270ff080b@rivosinc.com Signed-off-by: Anup Patel <anup@brainfault.org>
104 lines
1.8 KiB
ArmAsm
104 lines
1.8 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2023 Intel Corporation
|
|
*/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#define __ASSEMBLY__
|
|
#endif
|
|
|
|
#include <asm/csr.h>
|
|
|
|
.macro save_context
|
|
addi sp, sp, (-8*36)
|
|
sd x1, 8(sp)
|
|
sd x2, 16(sp)
|
|
sd x3, 24(sp)
|
|
sd x4, 32(sp)
|
|
sd x5, 40(sp)
|
|
sd x6, 48(sp)
|
|
sd x7, 56(sp)
|
|
sd x8, 64(sp)
|
|
sd x9, 72(sp)
|
|
sd x10, 80(sp)
|
|
sd x11, 88(sp)
|
|
sd x12, 96(sp)
|
|
sd x13, 104(sp)
|
|
sd x14, 112(sp)
|
|
sd x15, 120(sp)
|
|
sd x16, 128(sp)
|
|
sd x17, 136(sp)
|
|
sd x18, 144(sp)
|
|
sd x19, 152(sp)
|
|
sd x20, 160(sp)
|
|
sd x21, 168(sp)
|
|
sd x22, 176(sp)
|
|
sd x23, 184(sp)
|
|
sd x24, 192(sp)
|
|
sd x25, 200(sp)
|
|
sd x26, 208(sp)
|
|
sd x27, 216(sp)
|
|
sd x28, 224(sp)
|
|
sd x29, 232(sp)
|
|
sd x30, 240(sp)
|
|
sd x31, 248(sp)
|
|
csrr s0, CSR_SEPC
|
|
csrr s1, CSR_SSTATUS
|
|
csrr s2, CSR_STVAL
|
|
csrr s3, CSR_SCAUSE
|
|
sd s0, 0(sp)
|
|
sd s1, 256(sp)
|
|
sd s2, 264(sp)
|
|
sd s3, 272(sp)
|
|
.endm
|
|
|
|
.macro restore_context
|
|
ld s3, 272(sp)
|
|
ld s2, 264(sp)
|
|
ld s1, 256(sp)
|
|
ld s0, 0(sp)
|
|
csrw CSR_SCAUSE, s3
|
|
csrw CSR_SSTATUS, s1
|
|
csrw CSR_SEPC, s0
|
|
ld x31, 248(sp)
|
|
ld x30, 240(sp)
|
|
ld x29, 232(sp)
|
|
ld x28, 224(sp)
|
|
ld x27, 216(sp)
|
|
ld x26, 208(sp)
|
|
ld x25, 200(sp)
|
|
ld x24, 192(sp)
|
|
ld x23, 184(sp)
|
|
ld x22, 176(sp)
|
|
ld x21, 168(sp)
|
|
ld x20, 160(sp)
|
|
ld x19, 152(sp)
|
|
ld x18, 144(sp)
|
|
ld x17, 136(sp)
|
|
ld x16, 128(sp)
|
|
ld x15, 120(sp)
|
|
ld x14, 112(sp)
|
|
ld x13, 104(sp)
|
|
ld x12, 96(sp)
|
|
ld x11, 88(sp)
|
|
ld x10, 80(sp)
|
|
ld x9, 72(sp)
|
|
ld x8, 64(sp)
|
|
ld x7, 56(sp)
|
|
ld x6, 48(sp)
|
|
ld x5, 40(sp)
|
|
ld x4, 32(sp)
|
|
ld x3, 24(sp)
|
|
ld x2, 16(sp)
|
|
ld x1, 8(sp)
|
|
addi sp, sp, (8*36)
|
|
.endm
|
|
|
|
.balign 4
|
|
.global exception_vectors
|
|
exception_vectors:
|
|
save_context
|
|
move a0, sp
|
|
call route_exception
|
|
restore_context
|
|
sret
|