1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright 2016, Cyril Bur, IBM Corp. 4 */ 5 6 #ifndef _SELFTESTS_POWERPC_FPU_ASM_H 7 #define _SELFTESTS_POWERPC_FPU_ASM_H 8 #include "basic_asm.h" 9 10 #define PUSH_FPU(stack_size) \ 11 stfd f31,(stack_size + STACK_FRAME_MIN_SIZE)(%r1); \ 12 stfd f30,(stack_size + STACK_FRAME_MIN_SIZE - 8)(%r1); \ 13 stfd f29,(stack_size + STACK_FRAME_MIN_SIZE - 16)(%r1); \ 14 stfd f28,(stack_size + STACK_FRAME_MIN_SIZE - 24)(%r1); \ 15 stfd f27,(stack_size + STACK_FRAME_MIN_SIZE - 32)(%r1); \ 16 stfd f26,(stack_size + STACK_FRAME_MIN_SIZE - 40)(%r1); \ 17 stfd f25,(stack_size + STACK_FRAME_MIN_SIZE - 48)(%r1); \ 18 stfd f24,(stack_size + STACK_FRAME_MIN_SIZE - 56)(%r1); \ 19 stfd f23,(stack_size + STACK_FRAME_MIN_SIZE - 64)(%r1); \ 20 stfd f22,(stack_size + STACK_FRAME_MIN_SIZE - 72)(%r1); \ 21 stfd f21,(stack_size + STACK_FRAME_MIN_SIZE - 80)(%r1); \ 22 stfd f20,(stack_size + STACK_FRAME_MIN_SIZE - 88)(%r1); \ 23 stfd f19,(stack_size + STACK_FRAME_MIN_SIZE - 96)(%r1); \ 24 stfd f18,(stack_size + STACK_FRAME_MIN_SIZE - 104)(%r1); \ 25 stfd f17,(stack_size + STACK_FRAME_MIN_SIZE - 112)(%r1); \ 26 stfd f16,(stack_size + STACK_FRAME_MIN_SIZE - 120)(%r1); \ 27 stfd f15,(stack_size + STACK_FRAME_MIN_SIZE - 128)(%r1); \ 28 stfd f14,(stack_size + STACK_FRAME_MIN_SIZE - 136)(%r1); 29 30 #define POP_FPU(stack_size) \ 31 lfd f31,(stack_size + STACK_FRAME_MIN_SIZE)(%r1); \ 32 lfd f30,(stack_size + STACK_FRAME_MIN_SIZE - 8)(%r1); \ 33 lfd f29,(stack_size + STACK_FRAME_MIN_SIZE - 16)(%r1); \ 34 lfd f28,(stack_size + STACK_FRAME_MIN_SIZE - 24)(%r1); \ 35 lfd f27,(stack_size + STACK_FRAME_MIN_SIZE - 32)(%r1); \ 36 lfd f26,(stack_size + STACK_FRAME_MIN_SIZE - 40)(%r1); \ 37 lfd f25,(stack_size + STACK_FRAME_MIN_SIZE - 48)(%r1); \ 38 lfd f24,(stack_size + STACK_FRAME_MIN_SIZE - 56)(%r1); \ 39 lfd f23,(stack_size + STACK_FRAME_MIN_SIZE - 64)(%r1); \ 40 lfd f22,(stack_size + STACK_FRAME_MIN_SIZE - 72)(%r1); \ 41 lfd f21,(stack_size + STACK_FRAME_MIN_SIZE - 80)(%r1); \ 42 lfd f20,(stack_size + STACK_FRAME_MIN_SIZE - 88)(%r1); \ 43 lfd f19,(stack_size + STACK_FRAME_MIN_SIZE - 96)(%r1); \ 44 lfd f18,(stack_size + STACK_FRAME_MIN_SIZE - 104)(%r1); \ 45 lfd f17,(stack_size + STACK_FRAME_MIN_SIZE - 112)(%r1); \ 46 lfd f16,(stack_size + STACK_FRAME_MIN_SIZE - 120)(%r1); \ 47 lfd f15,(stack_size + STACK_FRAME_MIN_SIZE - 128)(%r1); \ 48 lfd f14,(stack_size + STACK_FRAME_MIN_SIZE - 136)(%r1); 49 50 /* 51 * Careful calling this, it will 'clobber' fpu (by design) 52 * Don't call this from C 53 */ 54 FUNC_START(load_fpu) 55 lfd f14,0(r3) 56 lfd f15,8(r3) 57 lfd f16,16(r3) 58 lfd f17,24(r3) 59 lfd f18,32(r3) 60 lfd f19,40(r3) 61 lfd f20,48(r3) 62 lfd f21,56(r3) 63 lfd f22,64(r3) 64 lfd f23,72(r3) 65 lfd f24,80(r3) 66 lfd f25,88(r3) 67 lfd f26,96(r3) 68 lfd f27,104(r3) 69 lfd f28,112(r3) 70 lfd f29,120(r3) 71 lfd f30,128(r3) 72 lfd f31,136(r3) 73 blr 74 FUNC_END(load_fpu) 75 76 #endif /* _SELFTESTS_POWERPC_FPU_ASM_H */ 77