Revision 8984bd2e target-arm/op_mem.h
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/* ARM memory operations. */ |
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/* Swap T0 with memory at address T1. */ |
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/* ??? Is this exception safe? */ |
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#define MEM_SWP_OP(name, lname) \ |
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void OPPROTO glue(op_swp##name,MEMSUFFIX)(void) \ |
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{ \
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uint32_t tmp; \ |
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cpu_lock(); \ |
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tmp = glue(ld##lname,MEMSUFFIX)(T1); \ |
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glue(st##name,MEMSUFFIX)(T1, T0); \ |
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T0 = tmp; \ |
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cpu_unlock(); \ |
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FORCE_RET(); \ |
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} |
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MEM_SWP_OP(b, ub) |
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MEM_SWP_OP(l, l) |
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#undef MEM_SWP_OP |
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/* Load-locked, store exclusive. */ |
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#define EXCLUSIVE_OP(suffix, ldsuffix) \ |
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void OPPROTO glue(op_ld##suffix##ex,MEMSUFFIX)(void) \ |
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