19 lines
364 B
C
19 lines
364 B
C
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#ifndef CPU_X86_MEM_H
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#define CPU_X86_MEM_H
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/* Optimized generic x86 assembly for clearing memory */
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static inline void clear_memory(void *addr, unsigned long size)
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{
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asm volatile(
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"1: \n\t"
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"movl %0, (%1)\n\t"
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"addl $4, %1\n\t"
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"subl $4, %2\n\t"
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"jnz 1b\n\t"
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: /* No outputs */
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: "a" (0), "D" (addr), "c" (size)
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);
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}
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#endif /* CPU_X86_MEM_H */
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