forked from KolibriOS/kolibrios
32 lines
729 B
C
32 lines
729 B
C
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#include <sys/types.h>
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#include <sys/kos_io.h>
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int read_file(const char *path, void *buff,
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size_t offset, size_t count, size_t *reads)
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{
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int retval;
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int d0;
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__asm__ __volatile__(
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"pushl $0 \n\t"
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"pushl $0 \n\t"
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"movl %%eax, 1(%%esp) \n\t"
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"pushl %%ebx \n\t"
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"pushl %%edx \n\t"
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"pushl $0 \n\t"
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"pushl %%ecx \n\t"
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"pushl $0 \n\t"
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"movl %%esp, %%ebx \n\t"
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"mov $70, %%eax \n\t"
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"int $0x40 \n\t"
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"testl %%esi, %%esi \n\t"
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"jz 1f \n\t"
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"movl %%ebx, (%%esi) \n\t"
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"1:"
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"addl $28, %%esp \n\t"
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:"=a" (retval)
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:"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(reads));
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return retval == 6 ? 0 : retval;
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};
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