摘要:
unsigned long get_free_page(void) { register unsigned long __res asm("ax"); __asm__("std ; repne ; scasb\n\t" "jne 1f\n\t" "movb $1,1(%%edi)\n\t" "sall $12,%%ecx\n\t" ... 阅读全文
posted @ 2012-07-31 23:23
Fan Zhang
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