xref: /OK3568_Linux_fs/kernel/tools/perf/arch/powerpc/tests/regs_load.S (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun#include <linux/linkage.h>
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun/* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */
5*4882a593Smuzhiyun#define R0	 0
6*4882a593Smuzhiyun#define R1	 1 * 8
7*4882a593Smuzhiyun#define R2	 2 * 8
8*4882a593Smuzhiyun#define R3	 3 * 8
9*4882a593Smuzhiyun#define R4	 4 * 8
10*4882a593Smuzhiyun#define R5	 5 * 8
11*4882a593Smuzhiyun#define R6	 6 * 8
12*4882a593Smuzhiyun#define R7	 7 * 8
13*4882a593Smuzhiyun#define R8	 8 * 8
14*4882a593Smuzhiyun#define R9	 9 * 8
15*4882a593Smuzhiyun#define R10	10 * 8
16*4882a593Smuzhiyun#define R11	11 * 8
17*4882a593Smuzhiyun#define R12	12 * 8
18*4882a593Smuzhiyun#define R13	13 * 8
19*4882a593Smuzhiyun#define R14	14 * 8
20*4882a593Smuzhiyun#define R15	15 * 8
21*4882a593Smuzhiyun#define R16	16 * 8
22*4882a593Smuzhiyun#define R17	17 * 8
23*4882a593Smuzhiyun#define R18	18 * 8
24*4882a593Smuzhiyun#define R19	19 * 8
25*4882a593Smuzhiyun#define R20	20 * 8
26*4882a593Smuzhiyun#define R21	21 * 8
27*4882a593Smuzhiyun#define R22	22 * 8
28*4882a593Smuzhiyun#define R23	23 * 8
29*4882a593Smuzhiyun#define R24	24 * 8
30*4882a593Smuzhiyun#define R25	25 * 8
31*4882a593Smuzhiyun#define R26	26 * 8
32*4882a593Smuzhiyun#define R27	27 * 8
33*4882a593Smuzhiyun#define R28	28 * 8
34*4882a593Smuzhiyun#define R29	29 * 8
35*4882a593Smuzhiyun#define R30	30 * 8
36*4882a593Smuzhiyun#define R31	31 * 8
37*4882a593Smuzhiyun#define NIP	32 * 8
38*4882a593Smuzhiyun#define CTR	35 * 8
39*4882a593Smuzhiyun#define LINK	36 * 8
40*4882a593Smuzhiyun#define XER	37 * 8
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun.globl perf_regs_load
43*4882a593Smuzhiyunperf_regs_load:
44*4882a593Smuzhiyun	std 0, R0(3)
45*4882a593Smuzhiyun	std 1, R1(3)
46*4882a593Smuzhiyun	std 2, R2(3)
47*4882a593Smuzhiyun	std 3, R3(3)
48*4882a593Smuzhiyun	std 4, R4(3)
49*4882a593Smuzhiyun	std 5, R5(3)
50*4882a593Smuzhiyun	std 6, R6(3)
51*4882a593Smuzhiyun	std 7, R7(3)
52*4882a593Smuzhiyun	std 8, R8(3)
53*4882a593Smuzhiyun	std 9, R9(3)
54*4882a593Smuzhiyun	std 10, R10(3)
55*4882a593Smuzhiyun	std 11, R11(3)
56*4882a593Smuzhiyun	std 12, R12(3)
57*4882a593Smuzhiyun	std 13, R13(3)
58*4882a593Smuzhiyun	std 14, R14(3)
59*4882a593Smuzhiyun	std 15, R15(3)
60*4882a593Smuzhiyun	std 16, R16(3)
61*4882a593Smuzhiyun	std 17, R17(3)
62*4882a593Smuzhiyun	std 18, R18(3)
63*4882a593Smuzhiyun	std 19, R19(3)
64*4882a593Smuzhiyun	std 20, R20(3)
65*4882a593Smuzhiyun	std 21, R21(3)
66*4882a593Smuzhiyun	std 22, R22(3)
67*4882a593Smuzhiyun	std 23, R23(3)
68*4882a593Smuzhiyun	std 24, R24(3)
69*4882a593Smuzhiyun	std 25, R25(3)
70*4882a593Smuzhiyun	std 26, R26(3)
71*4882a593Smuzhiyun	std 27, R27(3)
72*4882a593Smuzhiyun	std 28, R28(3)
73*4882a593Smuzhiyun	std 29, R29(3)
74*4882a593Smuzhiyun	std 30, R30(3)
75*4882a593Smuzhiyun	std 31, R31(3)
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun	/* store NIP */
78*4882a593Smuzhiyun	mflr 4
79*4882a593Smuzhiyun	std 4, NIP(3)
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun	/* Store LR */
82*4882a593Smuzhiyun	std 4, LINK(3)
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun	/* Store XER */
85*4882a593Smuzhiyun	mfxer 4
86*4882a593Smuzhiyun	std 4, XER(3)
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun	/* Store CTR */
89*4882a593Smuzhiyun	mfctr 4
90*4882a593Smuzhiyun	std 4, CTR(3)
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun	/* Restore original value of r4 */
93*4882a593Smuzhiyun	ld 4, R4(3)
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun	blr
96