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 */ 73 FUNC_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 93 FUNC_END(load_gpr) 94 95 96 #endif /* _SELFTESTS_POWERPC_GPR_ASM_H */ 97