root / target-arm / op_mem.h @ 8984bd2e
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| 1 | b5ff1b31 | bellard | /* ARM memory operations. */
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| 2 | b5ff1b31 | bellard | |
| 3 | 9ee6e8bb | pbrook | /* Load-locked, store exclusive. */
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| 4 | 9ee6e8bb | pbrook | #define EXCLUSIVE_OP(suffix, ldsuffix) \
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| 5 | 9ee6e8bb | pbrook | void OPPROTO glue(op_ld##suffix##ex,MEMSUFFIX)(void) \ |
| 6 | 9ee6e8bb | pbrook | { \
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| 7 | 9ee6e8bb | pbrook | cpu_lock(); \ |
| 8 | 9ee6e8bb | pbrook | helper_mark_exclusive(env, T1); \ |
| 9 | 9ee6e8bb | pbrook | T0 = glue(ld##ldsuffix,MEMSUFFIX)(T1); \ |
| 10 | 9ee6e8bb | pbrook | cpu_unlock(); \ |
| 11 | 9ee6e8bb | pbrook | FORCE_RET(); \ |
| 12 | 9ee6e8bb | pbrook | } \ |
| 13 | 9ee6e8bb | pbrook | \ |
| 14 | 9ee6e8bb | pbrook | void OPPROTO glue(op_st##suffix##ex,MEMSUFFIX)(void) \ |
| 15 | 9ee6e8bb | pbrook | { \
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| 16 | 9ee6e8bb | pbrook | int failed; \
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| 17 | 9ee6e8bb | pbrook | cpu_lock(); \ |
| 18 | 9ee6e8bb | pbrook | failed = helper_test_exclusive(env, T1); \ |
| 19 | 9ee6e8bb | pbrook | /* ??? Is it safe to hold the cpu lock over a store? */ \
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| 20 | 9ee6e8bb | pbrook | if (!failed) { \
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| 21 | 9ee6e8bb | pbrook | glue(st##suffix,MEMSUFFIX)(T1, T0); \ |
| 22 | 9ee6e8bb | pbrook | } \ |
| 23 | 9ee6e8bb | pbrook | T0 = failed; \ |
| 24 | 9ee6e8bb | pbrook | cpu_unlock(); \ |
| 25 | 9ee6e8bb | pbrook | FORCE_RET(); \ |
| 26 | 9ee6e8bb | pbrook | } |
| 27 | 9ee6e8bb | pbrook | |
| 28 | 9ee6e8bb | pbrook | EXCLUSIVE_OP(b, ub) |
| 29 | 9ee6e8bb | pbrook | EXCLUSIVE_OP(w, uw) |
| 30 | 9ee6e8bb | pbrook | EXCLUSIVE_OP(l, l) |
| 31 | 9ee6e8bb | pbrook | |
| 32 | 9ee6e8bb | pbrook | #undef EXCLUSIVE_OP
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| 33 | 9ee6e8bb | pbrook | |
| 34 | 9ee6e8bb | pbrook | /* Load exclusive T0:T1 from address T1. */
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| 35 | 9ee6e8bb | pbrook | void OPPROTO glue(op_ldqex,MEMSUFFIX)(void) |
| 36 | 9ee6e8bb | pbrook | {
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| 37 | 9ee6e8bb | pbrook | cpu_lock(); |
| 38 | 9ee6e8bb | pbrook | helper_mark_exclusive(env, T1); |
| 39 | 9ee6e8bb | pbrook | T0 = glue(ldl,MEMSUFFIX)(T1); |
| 40 | 9ee6e8bb | pbrook | T1 = glue(ldl,MEMSUFFIX)((T1 + 4));
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| 41 | 9ee6e8bb | pbrook | cpu_unlock(); |
| 42 | 9ee6e8bb | pbrook | FORCE_RET(); |
| 43 | 9ee6e8bb | pbrook | } |
| 44 | 9ee6e8bb | pbrook | |
| 45 | 9ee6e8bb | pbrook | /* Store exclusive T0:T2 to address T1. */
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| 46 | 9ee6e8bb | pbrook | void OPPROTO glue(op_stqex,MEMSUFFIX)(void) |
| 47 | 9ee6e8bb | pbrook | {
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| 48 | 9ee6e8bb | pbrook | int failed;
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| 49 | 9ee6e8bb | pbrook | cpu_lock(); |
| 50 | 9ee6e8bb | pbrook | failed = helper_test_exclusive(env, T1); |
| 51 | 9ee6e8bb | pbrook | /* ??? Is it safe to hold the cpu lock over a store? */
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| 52 | 9ee6e8bb | pbrook | if (!failed) {
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| 53 | 9ee6e8bb | pbrook | glue(stl,MEMSUFFIX)(T1, T0); |
| 54 | 9ee6e8bb | pbrook | glue(stl,MEMSUFFIX)((T1 + 4), T2);
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| 55 | 9ee6e8bb | pbrook | } |
| 56 | 9ee6e8bb | pbrook | T0 = failed; |
| 57 | 9ee6e8bb | pbrook | cpu_unlock(); |
| 58 | 9ee6e8bb | pbrook | FORCE_RET(); |
| 59 | 9ee6e8bb | pbrook | } |
| 60 | 9ee6e8bb | pbrook | |
| 61 | 18c9b560 | balrog | /* iwMMXt load/store. Address is in T1 */
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| 62 | 18c9b560 | balrog | #define MMX_MEM_OP(name, ldname) \
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| 63 | 18c9b560 | balrog | void OPPROTO glue(op_iwmmxt_ld##name,MEMSUFFIX)(void) \ |
| 64 | 18c9b560 | balrog | { \
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| 65 | 18c9b560 | balrog | M0 = glue(ld##ldname,MEMSUFFIX)(T1); \ |
| 66 | 18c9b560 | balrog | FORCE_RET(); \ |
| 67 | 18c9b560 | balrog | } \ |
| 68 | 18c9b560 | balrog | void OPPROTO glue(op_iwmmxt_st##name,MEMSUFFIX)(void) \ |
| 69 | 18c9b560 | balrog | { \
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| 70 | 18c9b560 | balrog | glue(st##name,MEMSUFFIX)(T1, M0); \ |
| 71 | 18c9b560 | balrog | FORCE_RET(); \ |
| 72 | 18c9b560 | balrog | } |
| 73 | 18c9b560 | balrog | |
| 74 | 18c9b560 | balrog | MMX_MEM_OP(b, ub) |
| 75 | 18c9b560 | balrog | MMX_MEM_OP(w, uw) |
| 76 | 18c9b560 | balrog | MMX_MEM_OP(l, l) |
| 77 | 18c9b560 | balrog | MMX_MEM_OP(q, q) |
| 78 | 18c9b560 | balrog | |
| 79 | 18c9b560 | balrog | #undef MMX_MEM_OP
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| 80 | 18c9b560 | balrog | |
| 81 | b5ff1b31 | bellard | #undef MEMSUFFIX |