93 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Copyright 2016, Cyril Bur, IBM Corp.4 */5 6#ifndef _SELFTESTS_POWERPC_GPR_ASM_H7#define _SELFTESTS_POWERPC_GPR_ASM_H8 9#include "basic_asm.h"10 11#define __PUSH_NVREGS(top_pos); \12 std r31,(top_pos)(%r1); \13 std r30,(top_pos - 8)(%r1); \14 std r29,(top_pos - 16)(%r1); \15 std r28,(top_pos - 24)(%r1); \16 std r27,(top_pos - 32)(%r1); \17 std r26,(top_pos - 40)(%r1); \18 std r25,(top_pos - 48)(%r1); \19 std r24,(top_pos - 56)(%r1); \20 std r23,(top_pos - 64)(%r1); \21 std r22,(top_pos - 72)(%r1); \22 std r21,(top_pos - 80)(%r1); \23 std r20,(top_pos - 88)(%r1); \24 std r19,(top_pos - 96)(%r1); \25 std r18,(top_pos - 104)(%r1); \26 std r17,(top_pos - 112)(%r1); \27 std r16,(top_pos - 120)(%r1); \28 std r15,(top_pos - 128)(%r1); \29 std r14,(top_pos - 136)(%r1)30 31#define __POP_NVREGS(top_pos); \32 ld r31,(top_pos)(%r1); \33 ld r30,(top_pos - 8)(%r1); \34 ld r29,(top_pos - 16)(%r1); \35 ld r28,(top_pos - 24)(%r1); \36 ld r27,(top_pos - 32)(%r1); \37 ld r26,(top_pos - 40)(%r1); \38 ld r25,(top_pos - 48)(%r1); \39 ld r24,(top_pos - 56)(%r1); \40 ld r23,(top_pos - 64)(%r1); \41 ld r22,(top_pos - 72)(%r1); \42 ld r21,(top_pos - 80)(%r1); \43 ld r20,(top_pos - 88)(%r1); \44 ld r19,(top_pos - 96)(%r1); \45 ld r18,(top_pos - 104)(%r1); \46 ld r17,(top_pos - 112)(%r1); \47 ld r16,(top_pos - 120)(%r1); \48 ld r15,(top_pos - 128)(%r1); \49 ld r14,(top_pos - 136)(%r1)50 51#define PUSH_NVREGS(stack_size) \52 __PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)53 54/* 18 NV FPU REGS */55#define PUSH_NVREGS_BELOW_FPU(stack_size) \56 __PUSH_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))57 58#define POP_NVREGS(stack_size) \59 __POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE)60 61/* 18 NV FPU REGS */62#define POP_NVREGS_BELOW_FPU(stack_size) \63 __POP_NVREGS(stack_size + STACK_FRAME_MIN_SIZE - (18 * 8))64 65/*66 * Careful calling this, it will 'clobber' NVGPRs (by design)67 * Don't call this from C68 */69FUNC_START(load_gpr)70 ld r14,0(r3)71 ld r15,8(r3)72 ld r16,16(r3)73 ld r17,24(r3)74 ld r18,32(r3)75 ld r19,40(r3)76 ld r20,48(r3)77 ld r21,56(r3)78 ld r22,64(r3)79 ld r23,72(r3)80 ld r24,80(r3)81 ld r25,88(r3)82 ld r26,96(r3)83 ld r27,104(r3)84 ld r28,112(r3)85 ld r29,120(r3)86 ld r30,128(r3)87 ld r31,136(r3)88 blr89FUNC_END(load_gpr)90 91 92#endif /* _SELFTESTS_POWERPC_GPR_ASM_H */93