1/* 2 * asmmacro.h: Assembler macros to make things easier to read. 3 * 4 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) 5 * Copyright (C) 1998, 1999 Ralf Baechle 6 * Copyright (C) 1999 Silicon Graphics, Inc. 7 */ 8#ifndef _ASM_ASMMACRO_64_H 9#define _ASM_ASMMACRO_64_H 10 11#include <asm/asm-offsets.h> 12#include <asm/regdef.h> 13#include <asm/fpregdef.h> 14#include <asm/mipsregs.h> 15 16 .macro fpu_save_16even thread tmp=t0 17 cfc1 \tmp, fcr31 18 sdc1 $f0, THREAD_FPR0(\thread) 19 sdc1 $f2, THREAD_FPR2(\thread) 20 sdc1 $f4, THREAD_FPR4(\thread) 21 sdc1 $f6, THREAD_FPR6(\thread) 22 sdc1 $f8, THREAD_FPR8(\thread) 23 sdc1 $f10, THREAD_FPR10(\thread) 24 sdc1 $f12, THREAD_FPR12(\thread) 25 sdc1 $f14, THREAD_FPR14(\thread) 26 sdc1 $f16, THREAD_FPR16(\thread) 27 sdc1 $f18, THREAD_FPR18(\thread) 28 sdc1 $f20, THREAD_FPR20(\thread) 29 sdc1 $f22, THREAD_FPR22(\thread) 30 sdc1 $f24, THREAD_FPR24(\thread) 31 sdc1 $f26, THREAD_FPR26(\thread) 32 sdc1 $f28, THREAD_FPR28(\thread) 33 sdc1 $f30, THREAD_FPR30(\thread) 34 sw \tmp, THREAD_FCR31(\thread) 35 .endm 36 37 .macro fpu_save_16odd thread 38 sdc1 $f1, THREAD_FPR1(\thread) 39 sdc1 $f3, THREAD_FPR3(\thread) 40 sdc1 $f5, THREAD_FPR5(\thread) 41 sdc1 $f7, THREAD_FPR7(\thread) 42 sdc1 $f9, THREAD_FPR9(\thread) 43 sdc1 $f11, THREAD_FPR11(\thread) 44 sdc1 $f13, THREAD_FPR13(\thread) 45 sdc1 $f15, THREAD_FPR15(\thread) 46 sdc1 $f17, THREAD_FPR17(\thread) 47 sdc1 $f19, THREAD_FPR19(\thread) 48 sdc1 $f21, THREAD_FPR21(\thread) 49 sdc1 $f23, THREAD_FPR23(\thread) 50 sdc1 $f25, THREAD_FPR25(\thread) 51 sdc1 $f27, THREAD_FPR27(\thread) 52 sdc1 $f29, THREAD_FPR29(\thread) 53 sdc1 $f31, THREAD_FPR31(\thread) 54 .endm 55 56 .macro fpu_save_double thread status tmp 57 sll \tmp, \status, 5 58 bgez \tmp, 2f 59 fpu_save_16odd \thread 602: 61 fpu_save_16even \thread \tmp 62 .endm 63 64 .macro fpu_restore_16even thread tmp=t0 65 lw \tmp, THREAD_FCR31(\thread) 66 ldc1 $f0, THREAD_FPR0(\thread) 67 ldc1 $f2, THREAD_FPR2(\thread) 68 ldc1 $f4, THREAD_FPR4(\thread) 69 ldc1 $f6, THREAD_FPR6(\thread) 70 ldc1 $f8, THREAD_FPR8(\thread) 71 ldc1 $f10, THREAD_FPR10(\thread) 72 ldc1 $f12, THREAD_FPR12(\thread) 73 ldc1 $f14, THREAD_FPR14(\thread) 74 ldc1 $f16, THREAD_FPR16(\thread) 75 ldc1 $f18, THREAD_FPR18(\thread) 76 ldc1 $f20, THREAD_FPR20(\thread) 77 ldc1 $f22, THREAD_FPR22(\thread) 78 ldc1 $f24, THREAD_FPR24(\thread) 79 ldc1 $f26, THREAD_FPR26(\thread) 80 ldc1 $f28, THREAD_FPR28(\thread) 81 ldc1 $f30, THREAD_FPR30(\thread) 82 ctc1 \tmp, fcr31 83 .endm 84 85 .macro fpu_restore_16odd thread 86 ldc1 $f1, THREAD_FPR1(\thread) 87 ldc1 $f3, THREAD_FPR3(\thread) 88 ldc1 $f5, THREAD_FPR5(\thread) 89 ldc1 $f7, THREAD_FPR7(\thread) 90 ldc1 $f9, THREAD_FPR9(\thread) 91 ldc1 $f11, THREAD_FPR11(\thread) 92 ldc1 $f13, THREAD_FPR13(\thread) 93 ldc1 $f15, THREAD_FPR15(\thread) 94 ldc1 $f17, THREAD_FPR17(\thread) 95 ldc1 $f19, THREAD_FPR19(\thread) 96 ldc1 $f21, THREAD_FPR21(\thread) 97 ldc1 $f23, THREAD_FPR23(\thread) 98 ldc1 $f25, THREAD_FPR25(\thread) 99 ldc1 $f27, THREAD_FPR27(\thread) 100 ldc1 $f29, THREAD_FPR29(\thread) 101 ldc1 $f31, THREAD_FPR31(\thread) 102 .endm 103 104 .macro fpu_restore_double thread status tmp 105 sll \tmp, \status, 5 106 bgez \tmp, 1f # 16 register mode? 107 108 fpu_restore_16odd \thread 1091: fpu_restore_16even \thread \tmp 110 .endm 111 112 .macro cpu_save_nonscratch thread 113 LONG_S s0, THREAD_REG16(\thread) 114 LONG_S s1, THREAD_REG17(\thread) 115 LONG_S s2, THREAD_REG18(\thread) 116 LONG_S s3, THREAD_REG19(\thread) 117 LONG_S s4, THREAD_REG20(\thread) 118 LONG_S s5, THREAD_REG21(\thread) 119 LONG_S s6, THREAD_REG22(\thread) 120 LONG_S s7, THREAD_REG23(\thread) 121 LONG_S sp, THREAD_REG29(\thread) 122 LONG_S fp, THREAD_REG30(\thread) 123 .endm 124 125 .macro cpu_restore_nonscratch thread 126 LONG_L s0, THREAD_REG16(\thread) 127 LONG_L s1, THREAD_REG17(\thread) 128 LONG_L s2, THREAD_REG18(\thread) 129 LONG_L s3, THREAD_REG19(\thread) 130 LONG_L s4, THREAD_REG20(\thread) 131 LONG_L s5, THREAD_REG21(\thread) 132 LONG_L s6, THREAD_REG22(\thread) 133 LONG_L s7, THREAD_REG23(\thread) 134 LONG_L sp, THREAD_REG29(\thread) 135 LONG_L fp, THREAD_REG30(\thread) 136 LONG_L ra, THREAD_REG31(\thread) 137 .endm 138 139#endif /* _ASM_ASMMACRO_64_H */ 140