1/*
2 * Copyright 2016, Cyril Bur, IBM Corp.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9
10#ifndef _SELFTESTS_POWERPC_GPR_ASM_H
11#define _SELFTESTS_POWERPC_GPR_ASM_H
12
13#include "basic_asm.h"
14
15#define __PUSH_NVREGS(top_pos); \
16	std r31,(top_pos)(%r1); \
17	std r30,(top_pos - 8)(%r1); \
18	std r29,(top_pos - 16)(%r1); \
19	std r28,(top_pos - 24)(%r1); \
20	std r27,(top_pos - 32)(%r1); \
21	std r26,(top_pos - 40)(%r1); \
22	std r25,(top_pos - 48)(%r1); \
23	std r24,(top_pos - 56)(%r1); \
24	std r23,(top_pos - 64)(%r1); \
25	std r22,(top_pos - 72)(%r1); \
26	std r21,(top_pos - 80)(%r1); \
27	std r20,(top_pos - 88)(%r1); \
28	std r19,(top_pos - 96)(%r1); \
29	std r18,(top_pos - 104)(%r1); \
30	std r17,(top_pos - 112)(%r1); \
31	std r16,(top_pos - 120)(%r1); \
32	std r15,(top_pos - 128)(%r1); \
33	std r14,(top_pos - 136)(%r1)
34
35#define __POP_NVREGS(top_pos); \
36	ld r31,(top_pos)(%r1); \
37	ld r30,(top_pos - 8)(%r1); \
38	ld r29,(top_pos - 16)(%r1); \
39	ld r28,(top_pos - 24)(%r1); \
40	ld r27,(top_pos - 32)(%r1); \
41	ld r26,(top_pos - 40)(%r1); \
42	ld r25,(top_pos - 48)(%r1); \
43	ld r24,(top_pos - 56)(%r1); \
44	ld r23,(top_pos - 64)(%r1); \
45	ld r22,(top_pos - 72)(%r1); \
46	ld r21,(top_pos - 80)(%r1); \
47	ld r20,(top_pos - 88)(%r1); \
48	ld r19,(top_pos - 96)(%r1); \
49	ld r18,(top_pos - 104)(%r1); \
50	ld r17,(top_pos - 112)(%r1); \
51	ld r16,(top_pos - 120)(%r1); \
52	ld r15,(top_pos - 128)(%r1); \
53	ld r14,(top_pos - 136)(%r1)
54
55#define PUSH_NVREGS(stack_size) \
56	__PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)
57
58/* 18 NV FPU REGS */
59#define PUSH_NVREGS_BELOW_FPU(stack_size) \
60	__PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))
61
62#define POP_NVREGS(stack_size) \
63	__POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)
64
65/* 18 NV FPU REGS */
66#define POP_NVREGS_BELOW_FPU(stack_size) \
67	__POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))
68
69/*
70 * Careful calling this, it will 'clobber' NVGPRs (by design)
71 * Don't call this from C
72 */
73FUNC_START(load_gpr)
74	ld	r14,0(r3)
75	ld	r15,8(r3)
76	ld	r16,16(r3)
77	ld	r17,24(r3)
78	ld	r18,32(r3)
79	ld	r19,40(r3)
80	ld	r20,48(r3)
81	ld	r21,56(r3)
82	ld	r22,64(r3)
83	ld	r23,72(r3)
84	ld	r24,80(r3)
85	ld	r25,88(r3)
86	ld	r26,96(r3)
87	ld	r27,104(r3)
88	ld	r28,112(r3)
89	ld	r29,120(r3)
90	ld	r30,128(r3)
91	ld	r31,136(r3)
92	blr
93FUNC_END(load_gpr)
94
95
96#endif /* _SELFTESTS_POWERPC_GPR_ASM_H */
97