Rev 2482 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2482 | Rev 2779 | ||
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| 29 | .text |
29 | .text |
| 30 | 30 | ||
| 31 | .set noat |
31 | .set noat |
| 32 | .set noreorder |
32 | .set noreorder |
| 33 | 33 | ||
| 34 | - | ||
| 35 | #include <arch/asm/regname.h> |
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| 36 | #include <libarch/context_offset.h> |
34 | #include <arch/context_offset.h> |
| 37 | 35 | ||
| 38 | .global context_save |
36 | .global context_save |
| 39 | .global context_restore |
37 | .global context_restore |
| 40 | 38 | ||
| 41 | .macro CONTEXT_STORE r |
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| 42 | sw $s0,OFFSET_S0(\r) |
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| 43 | sw $s1,OFFSET_S1(\r) |
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| 44 | sw $s2,OFFSET_S2(\r) |
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| 45 | sw $s3,OFFSET_S3(\r) |
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| 46 | sw $s4,OFFSET_S4(\r) |
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| 47 | sw $s5,OFFSET_S5(\r) |
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| 48 | sw $s6,OFFSET_S6(\r) |
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| 49 | sw $s7,OFFSET_S7(\r) |
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| 50 | sw $s8,OFFSET_S8(\r) |
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| 51 | sw $gp,OFFSET_GP(\r) |
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| 52 | sw $k1,OFFSET_TLS(\r) |
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| 53 | - | ||
| 54 | #ifdef CONFIG_MIPS_FPU |
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| 55 | mfc1 $t0,$20 |
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| 56 | sw $t0, OFFSET_F20(\r) |
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| 57 | - | ||
| 58 | mfc1 $t0,$21 |
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| 59 | sw $t0, OFFSET_F21(\r) |
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| 60 | - | ||
| 61 | mfc1 $t0,$22 |
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| 62 | sw $t0, OFFSET_F22(\r) |
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| 63 | - | ||
| 64 | mfc1 $t0,$23 |
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| 65 | sw $t0, OFFSET_F23(\r) |
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| 66 | - | ||
| 67 | mfc1 $t0,$24 |
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| 68 | sw $t0, OFFSET_F24(\r) |
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| 69 | - | ||
| 70 | mfc1 $t0,$25 |
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| 71 | sw $t0, OFFSET_F25(\r) |
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| 72 | - | ||
| 73 | mfc1 $t0,$26 |
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| 74 | sw $t0, OFFSET_F26(\r) |
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| 75 | - | ||
| 76 | mfc1 $t0,$27 |
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| 77 | sw $t0, OFFSET_F27(\r) |
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| 78 | - | ||
| 79 | mfc1 $t0,$28 |
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| 80 | sw $t0, OFFSET_F28(\r) |
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| 81 | - | ||
| 82 | mfc1 $t0,$29 |
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| 83 | sw $t0, OFFSET_F29(\r) |
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| 84 | - | ||
| 85 | mfc1 $t0,$30 |
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| 86 | sw $t0, OFFSET_F30(\r) |
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| 87 | #endif |
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| 88 | - | ||
| 89 | sw $ra,OFFSET_PC(\r) |
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| 90 | sw $sp,OFFSET_SP(\r) |
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| 91 | .endm |
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| 92 | - | ||
| 93 | .macro CONTEXT_LOAD r |
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| 94 | lw $s0,OFFSET_S0(\r) |
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| 95 | lw $s1,OFFSET_S1(\r) |
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| 96 | lw $s2,OFFSET_S2(\r) |
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| 97 | lw $s3,OFFSET_S3(\r) |
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| 98 | lw $s4,OFFSET_S4(\r) |
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| 99 | lw $s5,OFFSET_S5(\r) |
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| 100 | lw $s6,OFFSET_S6(\r) |
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| 101 | lw $s7,OFFSET_S7(\r) |
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| 102 | lw $s8,OFFSET_S8(\r) |
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| 103 | lw $gp,OFFSET_GP(\r) |
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| 104 | lw $k1,OFFSET_TLS(\r) |
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| 105 | - | ||
| 106 | #ifdef CONFIG_MIPS_FPU |
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| 107 | lw $t0, OFFSET_F20(\r) |
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| 108 | mtc1 $t0,$20 |
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| 109 | - | ||
| 110 | lw $t0, OFFSET_F21(\r) |
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| 111 | mtc1 $t0,$21 |
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| 112 | - | ||
| 113 | lw $t0, OFFSET_F22(\r) |
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| 114 | mtc1 $t0,$22 |
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| 115 | - | ||
| 116 | lw $t0, OFFSET_F23(\r) |
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| 117 | mtc1 $t0,$23 |
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| 118 | - | ||
| 119 | lw $t0, OFFSET_F24(\r) |
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| 120 | mtc1 $t0,$24 |
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| 121 | - | ||
| 122 | lw $t0, OFFSET_F25(\r) |
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| 123 | mtc1 $t0,$25 |
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| 124 | - | ||
| 125 | lw $t0, OFFSET_F26(\r) |
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| 126 | mtc1 $t0,$26 |
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| 127 | - | ||
| 128 | lw $t0, OFFSET_F27(\r) |
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| 129 | mtc1 $t0,$27 |
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| 130 | - | ||
| 131 | lw $t0, OFFSET_F28(\r) |
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| 132 | mtc1 $t0,$28 |
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| 133 | - | ||
| 134 | lw $t0, OFFSET_F29(\r) |
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| 135 | mtc1 $t0,$29 |
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| 136 | - | ||
| 137 | lw $t0, OFFSET_F30(\r) |
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| 138 | mtc1 $t0,$30 |
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| 139 | #endif |
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| 140 | - | ||
| 141 | lw $ra,OFFSET_PC(\r) |
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| 142 | lw $sp,OFFSET_SP(\r) |
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| 143 | .endm |
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| 144 | - | ||
| 145 | context_save: |
39 | context_save: |
| 146 | CONTEXT_STORE $a0 |
40 | CONTEXT_SAVE_ARCH_CORE $a0 |
| 147 | 41 | ||
| 148 | # context_save returns 1 |
42 | # context_save returns 1 |
| 149 | j $ra |
43 | j $ra |
| 150 | li $v0, 1 |
44 | li $v0, 1 |
| 151 | 45 | ||
| 152 | context_restore: |
46 | context_restore: |
| 153 | CONTEXT_LOAD $a0 |
47 | CONTEXT_RESTORE_ARCH_CORE $a0 |
| 154 | 48 | ||
| 155 | # Just for the jump into first function, but one instruction |
49 | # Just for the jump into first function, but one instruction |
| 156 | # should not bother us |
50 | # should not bother us |
| 157 | move $t9, $ra |
51 | move $t9, $ra |
| 158 | # context_restore returns 0 |
52 | # context_restore returns 0 |