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_H 7 #define _SELFTESTS_POWERPC_GPR_ASM_H 8 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 C 68 */ 69 FUNC_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 blr 89 FUNC_END(load_gpr) 90 91 92 #endif /* _SELFTESTS_POWERPC_GPR_ASM_H */ 93