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| /* SPDX-License-Identifier: GPL-2.0 */
| #include <linux/linkage.h>
|
| /* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */
| #define R0 0
| #define R1 1 * 8
| #define R2 2 * 8
| #define R3 3 * 8
| #define R4 4 * 8
| #define R5 5 * 8
| #define R6 6 * 8
| #define R7 7 * 8
| #define R8 8 * 8
| #define R9 9 * 8
| #define R10 10 * 8
| #define R11 11 * 8
| #define R12 12 * 8
| #define R13 13 * 8
| #define R14 14 * 8
| #define R15 15 * 8
| #define R16 16 * 8
| #define R17 17 * 8
| #define R18 18 * 8
| #define R19 19 * 8
| #define R20 20 * 8
| #define R21 21 * 8
| #define R22 22 * 8
| #define R23 23 * 8
| #define R24 24 * 8
| #define R25 25 * 8
| #define R26 26 * 8
| #define R27 27 * 8
| #define R28 28 * 8
| #define R29 29 * 8
| #define R30 30 * 8
| #define R31 31 * 8
| #define NIP 32 * 8
| #define CTR 35 * 8
| #define LINK 36 * 8
| #define XER 37 * 8
|
| .globl perf_regs_load
| perf_regs_load:
| std 0, R0(3)
| std 1, R1(3)
| std 2, R2(3)
| std 3, R3(3)
| std 4, R4(3)
| std 5, R5(3)
| std 6, R6(3)
| std 7, R7(3)
| std 8, R8(3)
| std 9, R9(3)
| std 10, R10(3)
| std 11, R11(3)
| std 12, R12(3)
| std 13, R13(3)
| std 14, R14(3)
| std 15, R15(3)
| std 16, R16(3)
| std 17, R17(3)
| std 18, R18(3)
| std 19, R19(3)
| std 20, R20(3)
| std 21, R21(3)
| std 22, R22(3)
| std 23, R23(3)
| std 24, R24(3)
| std 25, R25(3)
| std 26, R26(3)
| std 27, R27(3)
| std 28, R28(3)
| std 29, R29(3)
| std 30, R30(3)
| std 31, R31(3)
|
| /* store NIP */
| mflr 4
| std 4, NIP(3)
|
| /* Store LR */
| std 4, LINK(3)
|
| /* Store XER */
| mfxer 4
| std 4, XER(3)
|
| /* Store CTR */
| mfctr 4
| std 4, CTR(3)
|
| /* Restore original value of r4 */
| ld 4, R4(3)
|
| blr
|
|
