root / target-mips / op_helper_mem.c @ 98c1b82b
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| 1 | 9f25f11f | bellard | #ifdef TARGET_WORDS_BIGENDIAN
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| 2 | 9f25f11f | bellard | #define GET_LMASK(v) ((v) & 3) |
| 3 | 9f25f11f | bellard | #else
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| 4 | 9f25f11f | bellard | #define GET_LMASK(v) (((v) & 3) ^ 3) |
| 5 | 9f25f11f | bellard | #endif
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| 6 | 9f25f11f | bellard | |
| 7 | 4ad40f36 | bellard | void glue(do_lwl, MEMSUFFIX) (uint32_t tmp)
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| 8 | 6af0bf9c | bellard | {
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| 9 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 10 | 6af0bf9c | bellard | target_ulong sav = T0; |
| 11 | 6af0bf9c | bellard | #endif
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| 12 | 6af0bf9c | bellard | |
| 13 | 6af0bf9c | bellard | /* XXX: this is valid only in big-endian mode
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| 14 | 6af0bf9c | bellard | * should be reverted for little-endian...
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| 15 | 6af0bf9c | bellard | */
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| 16 | 9f25f11f | bellard | switch (GET_LMASK(T0)) {
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| 17 | 6af0bf9c | bellard | case 0: |
| 18 | 6af0bf9c | bellard | T0 = tmp; |
| 19 | 6af0bf9c | bellard | break;
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| 20 | 6af0bf9c | bellard | case 1: |
| 21 | 6af0bf9c | bellard | T0 = (tmp << 8) | (T1 & 0x000000FF); |
| 22 | 6af0bf9c | bellard | break;
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| 23 | 6af0bf9c | bellard | case 2: |
| 24 | 6af0bf9c | bellard | T0 = (tmp << 16) | (T1 & 0x0000FFFF); |
| 25 | 6af0bf9c | bellard | break;
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| 26 | 6af0bf9c | bellard | case 3: |
| 27 | 6af0bf9c | bellard | T0 = (tmp << 24) | (T1 & 0x00FFFFFF); |
| 28 | 6af0bf9c | bellard | break;
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| 29 | 6af0bf9c | bellard | } |
| 30 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 31 | 6af0bf9c | bellard | if (logfile) {
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| 32 | 6af0bf9c | bellard | fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
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| 33 | 6af0bf9c | bellard | __func__, sav, tmp, T1, T0); |
| 34 | 6af0bf9c | bellard | } |
| 35 | 6af0bf9c | bellard | #endif
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| 36 | 6af0bf9c | bellard | RETURN(); |
| 37 | 6af0bf9c | bellard | } |
| 38 | 6af0bf9c | bellard | |
| 39 | 4ad40f36 | bellard | void glue(do_lwr, MEMSUFFIX) (uint32_t tmp)
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| 40 | 6af0bf9c | bellard | {
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| 41 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 42 | 6af0bf9c | bellard | target_ulong sav = T0; |
| 43 | 6af0bf9c | bellard | #endif
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| 44 | 6af0bf9c | bellard | |
| 45 | 6af0bf9c | bellard | /* XXX: this is valid only in big-endian mode
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| 46 | 6af0bf9c | bellard | * should be reverted for little-endian...
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| 47 | 6af0bf9c | bellard | */
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| 48 | 9f25f11f | bellard | switch (GET_LMASK(T0)) {
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| 49 | 6af0bf9c | bellard | case 0: |
| 50 | 6af0bf9c | bellard | T0 = (tmp >> 24) | (T1 & 0xFFFFFF00); |
| 51 | 6af0bf9c | bellard | break;
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| 52 | 6af0bf9c | bellard | case 1: |
| 53 | 6af0bf9c | bellard | T0 = (tmp >> 16) | (T1 & 0xFFFF0000); |
| 54 | 6af0bf9c | bellard | break;
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| 55 | 6af0bf9c | bellard | case 2: |
| 56 | 6af0bf9c | bellard | T0 = (tmp >> 8) | (T1 & 0xFF000000); |
| 57 | 6af0bf9c | bellard | break;
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| 58 | 6af0bf9c | bellard | case 3: |
| 59 | 6af0bf9c | bellard | T0 = tmp; |
| 60 | 6af0bf9c | bellard | break;
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| 61 | 6af0bf9c | bellard | } |
| 62 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 63 | 6af0bf9c | bellard | if (logfile) {
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| 64 | 6af0bf9c | bellard | fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
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| 65 | 6af0bf9c | bellard | __func__, sav, tmp, T1, T0); |
| 66 | 6af0bf9c | bellard | } |
| 67 | 6af0bf9c | bellard | #endif
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| 68 | 6af0bf9c | bellard | RETURN(); |
| 69 | 6af0bf9c | bellard | } |
| 70 | 6af0bf9c | bellard | |
| 71 | 4ad40f36 | bellard | uint32_t glue(do_swl, MEMSUFFIX) (uint32_t tmp) |
| 72 | 6af0bf9c | bellard | {
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| 73 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 74 | 6af0bf9c | bellard | target_ulong sav; |
| 75 | 6af0bf9c | bellard | #endif
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| 76 | 6af0bf9c | bellard | |
| 77 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 78 | 6af0bf9c | bellard | sav = tmp; |
| 79 | 6af0bf9c | bellard | #endif
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| 80 | 6af0bf9c | bellard | /* XXX: this is valid only in big-endian mode
|
| 81 | 6af0bf9c | bellard | * should be reverted for little-endian...
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| 82 | 6af0bf9c | bellard | */
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| 83 | 9f25f11f | bellard | switch (GET_LMASK(T0)) {
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| 84 | 6af0bf9c | bellard | case 0: |
| 85 | 6af0bf9c | bellard | tmp = T1; |
| 86 | 6af0bf9c | bellard | break;
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| 87 | 6af0bf9c | bellard | case 1: |
| 88 | 6af0bf9c | bellard | tmp = (tmp & 0xFF000000) | (T1 >> 8); |
| 89 | 6af0bf9c | bellard | break;
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| 90 | 6af0bf9c | bellard | case 2: |
| 91 | 6af0bf9c | bellard | tmp = (tmp & 0xFFFF0000) | (T1 >> 16); |
| 92 | 6af0bf9c | bellard | break;
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| 93 | 6af0bf9c | bellard | case 3: |
| 94 | 6af0bf9c | bellard | tmp = (tmp & 0xFFFFFF00) | (T1 >> 24); |
| 95 | 6af0bf9c | bellard | break;
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| 96 | 6af0bf9c | bellard | } |
| 97 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 98 | 6af0bf9c | bellard | if (logfile) {
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| 99 | 6af0bf9c | bellard | fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
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| 100 | 6af0bf9c | bellard | __func__, T0, sav, T1, tmp); |
| 101 | 6af0bf9c | bellard | } |
| 102 | 6af0bf9c | bellard | #endif
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| 103 | 6af0bf9c | bellard | RETURN(); |
| 104 | 4ad40f36 | bellard | return tmp;
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| 105 | 6af0bf9c | bellard | } |
| 106 | 6af0bf9c | bellard | |
| 107 | 4ad40f36 | bellard | uint32_t glue(do_swr, MEMSUFFIX) (uint32_t tmp) |
| 108 | 6af0bf9c | bellard | {
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| 109 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 110 | 6af0bf9c | bellard | target_ulong sav; |
| 111 | 6af0bf9c | bellard | #endif
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| 112 | 6af0bf9c | bellard | |
| 113 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 114 | 6af0bf9c | bellard | sav = tmp; |
| 115 | 6af0bf9c | bellard | #endif
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| 116 | 6af0bf9c | bellard | /* XXX: this is valid only in big-endian mode
|
| 117 | 6af0bf9c | bellard | * should be reverted for little-endian...
|
| 118 | 6af0bf9c | bellard | */
|
| 119 | 9f25f11f | bellard | switch (GET_LMASK(T0)) {
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| 120 | 6af0bf9c | bellard | case 0: |
| 121 | 6af0bf9c | bellard | tmp = (tmp & 0x00FFFFFF) | (T1 << 24); |
| 122 | 6af0bf9c | bellard | break;
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| 123 | 6af0bf9c | bellard | case 1: |
| 124 | 6af0bf9c | bellard | tmp = (tmp & 0x0000FFFF) | (T1 << 16); |
| 125 | 6af0bf9c | bellard | break;
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| 126 | 6af0bf9c | bellard | case 2: |
| 127 | 6af0bf9c | bellard | tmp = (tmp & 0x000000FF) | (T1 << 8); |
| 128 | 6af0bf9c | bellard | break;
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| 129 | 6af0bf9c | bellard | case 3: |
| 130 | 6af0bf9c | bellard | tmp = T1; |
| 131 | 6af0bf9c | bellard | break;
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| 132 | 6af0bf9c | bellard | } |
| 133 | 6af0bf9c | bellard | #if defined (DEBUG_OP)
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| 134 | 6af0bf9c | bellard | if (logfile) {
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| 135 | 6af0bf9c | bellard | fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
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| 136 | 6af0bf9c | bellard | __func__, T0, sav, T1, tmp); |
| 137 | 6af0bf9c | bellard | } |
| 138 | 6af0bf9c | bellard | #endif
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| 139 | 6af0bf9c | bellard | RETURN(); |
| 140 | 4ad40f36 | bellard | return tmp;
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| 141 | 6af0bf9c | bellard | } |