| 1 | /* |
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| 2 | * asmmacro.h: Assembler macros to make things easier to read. |
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| 3 | * |
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| 4 | * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) |
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| 5 | * Copyright (C) 1998, 1999 Ralf Baechle |
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| 6 | * Copyright (C) 1999 Silicon Graphics, Inc. |
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| 7 | */ |
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| 8 | #ifndef _ASM_ASMMACRO_64_H |
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| 9 | #define _ASM_ASMMACRO_64_H |
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| 10 | |
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| 11 | #include <asm/offset.h> |
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| 12 | #include <asm/regdef.h> |
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| 13 | #include <asm/fpregdef.h> |
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| 14 | #include <asm/mipsregs.h> |
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| 15 | |
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| 16 | .macro fpu_save_16even thread tmp=t0 |
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| 17 | cfc1 \tmp, fcr31 |
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| 18 | sdc1 $f0, THREAD_FPR0(\thread) |
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| 19 | sdc1 $f2, THREAD_FPR2(\thread) |
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| 20 | sdc1 $f4, THREAD_FPR4(\thread) |
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| 21 | sdc1 $f6, THREAD_FPR6(\thread) |
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| 22 | sdc1 $f8, THREAD_FPR8(\thread) |
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| 23 | sdc1 $f10, THREAD_FPR10(\thread) |
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| 24 | sdc1 $f12, THREAD_FPR12(\thread) |
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| 25 | sdc1 $f14, THREAD_FPR14(\thread) |
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| 26 | sdc1 $f16, THREAD_FPR16(\thread) |
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| 27 | sdc1 $f18, THREAD_FPR18(\thread) |
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| 28 | sdc1 $f20, THREAD_FPR20(\thread) |
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| 29 | sdc1 $f22, THREAD_FPR22(\thread) |
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| 30 | sdc1 $f24, THREAD_FPR24(\thread) |
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| 31 | sdc1 $f26, THREAD_FPR26(\thread) |
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| 32 | sdc1 $f28, THREAD_FPR28(\thread) |
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| 33 | sdc1 $f30, THREAD_FPR30(\thread) |
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| 34 | sw \tmp, THREAD_FCR31(\thread) |
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| 35 | .endm |
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| 36 | |
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| 37 | .macro fpu_save_16odd thread |
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| 38 | sdc1 $f1, THREAD_FPR1(\thread) |
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| 39 | sdc1 $f3, THREAD_FPR3(\thread) |
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| 40 | sdc1 $f5, THREAD_FPR5(\thread) |
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| 41 | sdc1 $f7, THREAD_FPR7(\thread) |
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| 42 | sdc1 $f9, THREAD_FPR9(\thread) |
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| 43 | sdc1 $f11, THREAD_FPR11(\thread) |
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| 44 | sdc1 $f13, THREAD_FPR13(\thread) |
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| 45 | sdc1 $f15, THREAD_FPR15(\thread) |
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| 46 | sdc1 $f17, THREAD_FPR17(\thread) |
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| 47 | sdc1 $f19, THREAD_FPR19(\thread) |
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| 48 | sdc1 $f21, THREAD_FPR21(\thread) |
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| 49 | sdc1 $f23, THREAD_FPR23(\thread) |
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| 50 | sdc1 $f25, THREAD_FPR25(\thread) |
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| 51 | sdc1 $f27, THREAD_FPR27(\thread) |
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| 52 | sdc1 $f29, THREAD_FPR29(\thread) |
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| 53 | sdc1 $f31, THREAD_FPR31(\thread) |
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| 54 | .endm |
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| 55 | |
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| 56 | .macro fpu_save_double thread status tmp1 tmp2 |
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| 57 | sll \tmp2, \tmp1, 5 |
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| 58 | bgez \tmp2, 2f |
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| 59 | fpu_save_16odd \thread |
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| 60 | 2: |
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| 61 | fpu_save_16even \thread \tmp1 # clobbers t1 |
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| 62 | .endm |
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| 63 | |
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| 64 | .macro fpu_restore_16even thread tmp=t0 |
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| 65 | lw \tmp, THREAD_FCR31(\thread) |
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| 66 | ldc1 $f0, THREAD_FPR0(\thread) |
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| 67 | ldc1 $f2, THREAD_FPR2(\thread) |
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| 68 | ldc1 $f4, THREAD_FPR4(\thread) |
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| 69 | ldc1 $f6, THREAD_FPR6(\thread) |
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| 70 | ldc1 $f8, THREAD_FPR8(\thread) |
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| 71 | ldc1 $f10, THREAD_FPR10(\thread) |
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| 72 | ldc1 $f12, THREAD_FPR12(\thread) |
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| 73 | ldc1 $f14, THREAD_FPR14(\thread) |
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| 74 | ldc1 $f16, THREAD_FPR16(\thread) |
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| 75 | ldc1 $f18, THREAD_FPR18(\thread) |
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| 76 | ldc1 $f20, THREAD_FPR20(\thread) |
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| 77 | ldc1 $f22, THREAD_FPR22(\thread) |
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| 78 | ldc1 $f24, THREAD_FPR24(\thread) |
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| 79 | ldc1 $f26, THREAD_FPR26(\thread) |
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| 80 | ldc1 $f28, THREAD_FPR28(\thread) |
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| 81 | ldc1 $f30, THREAD_FPR30(\thread) |
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| 82 | ctc1 \tmp, fcr31 |
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| 83 | .endm |
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| 84 | |
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| 85 | .macro fpu_restore_16odd thread |
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| 86 | ldc1 $f1, THREAD_FPR1(\thread) |
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| 87 | ldc1 $f3, THREAD_FPR3(\thread) |
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| 88 | ldc1 $f5, THREAD_FPR5(\thread) |
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| 89 | ldc1 $f7, THREAD_FPR7(\thread) |
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| 90 | ldc1 $f9, THREAD_FPR9(\thread) |
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| 91 | ldc1 $f11, THREAD_FPR11(\thread) |
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| 92 | ldc1 $f13, THREAD_FPR13(\thread) |
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| 93 | ldc1 $f15, THREAD_FPR15(\thread) |
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| 94 | ldc1 $f17, THREAD_FPR17(\thread) |
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| 95 | ldc1 $f19, THREAD_FPR19(\thread) |
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| 96 | ldc1 $f21, THREAD_FPR21(\thread) |
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| 97 | ldc1 $f23, THREAD_FPR23(\thread) |
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| 98 | ldc1 $f25, THREAD_FPR25(\thread) |
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| 99 | ldc1 $f27, THREAD_FPR27(\thread) |
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| 100 | ldc1 $f29, THREAD_FPR29(\thread) |
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| 101 | ldc1 $f31, THREAD_FPR31(\thread) |
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| 102 | .endm |
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| 103 | |
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| 104 | .macro fpu_restore_double thread tmp |
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| 105 | mfc0 t0, CP0_STATUS |
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| 106 | sll t1, t0, 5 |
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| 107 | bgez t1, 1f # 16 register mode? |
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| 108 | |
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| 109 | fpu_restore_16odd a0 |
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| 110 | 1: fpu_restore_16even a0, t0 # clobbers t0 |
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| 111 | .endm |
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| 112 | |
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| 113 | .macro cpu_save_nonscratch thread |
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| 114 | LONG_S s0, THREAD_REG16(\thread) |
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| 115 | LONG_S s1, THREAD_REG17(\thread) |
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| 116 | LONG_S s2, THREAD_REG18(\thread) |
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| 117 | LONG_S s3, THREAD_REG19(\thread) |
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| 118 | LONG_S s4, THREAD_REG20(\thread) |
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| 119 | LONG_S s5, THREAD_REG21(\thread) |
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| 120 | LONG_S s6, THREAD_REG22(\thread) |
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| 121 | LONG_S s7, THREAD_REG23(\thread) |
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| 122 | LONG_S sp, THREAD_REG29(\thread) |
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| 123 | LONG_S fp, THREAD_REG30(\thread) |
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| 124 | .endm |
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| 125 | |
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| 126 | .macro cpu_restore_nonscratch thread |
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| 127 | LONG_L s0, THREAD_REG16(\thread) |
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| 128 | LONG_L s1, THREAD_REG17(\thread) |
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| 129 | LONG_L s2, THREAD_REG18(\thread) |
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| 130 | LONG_L s3, THREAD_REG19(\thread) |
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| 131 | LONG_L s4, THREAD_REG20(\thread) |
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| 132 | LONG_L s5, THREAD_REG21(\thread) |
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| 133 | LONG_L s6, THREAD_REG22(\thread) |
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| 134 | LONG_L s7, THREAD_REG23(\thread) |
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| 135 | LONG_L sp, THREAD_REG29(\thread) |
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| 136 | LONG_L fp, THREAD_REG30(\thread) |
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| 137 | LONG_L ra, THREAD_REG31(\thread) |
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| 138 | .endm |
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| 139 | |
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| 140 | #endif /* _ASM_ASMMACRO_64_H */ |
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