Revision e026db58 exec-i386.c
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} |
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#endif |
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#ifdef __alpha__ |
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int testandset (int *p) |
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{
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int ret; |
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unsigned long one; |
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__asm__ __volatile__ ("0: mov 1,%2\n"
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" ldl_l %0,%1\n" |
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" stl_c %2,%1\n" |
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" beq %2,1f\n" |
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".subsection 2\n" |
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"1: br 0b\n" |
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".previous" |
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: "=r" (ret), "=m" (*p), "=r" (one) |
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: "m" (*p)); |
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return ret; |
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} |
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#endif |
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int global_cpu_lock = 0; |
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void cpu_lock(void) |
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