29 lines
863 B
Diff
29 lines
863 B
Diff
Index: libsmbios-2.2.28/src/bin/dellMediaDirectCtl.cpp
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===================================================================
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--- libsmbios-2.2.28.orig/src/bin/dellMediaDirectCtl.cpp
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+++ libsmbios-2.2.28/src/bin/dellMediaDirectCtl.cpp
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@@ -196,17 +196,21 @@ void _callSmi(smiRegs *r, u8 port)
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__asm__ __volatile__ (
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// magic port
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+ "push %%ebx\n\t"
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+ "mov %0, %%ebx\n\t"
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"outb %%al, %%dx \n\t"
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+ "mov %%ebx,%1\n\t"
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+ "pop %%ebx\n\t"
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: /* output args */
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"=a" (r->eax),
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- "=b" (r->ebx),
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+ "=g" (r->ebx),
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"=c" (r->ecx),
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"=S" (r->esi),
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"=D" (r->edi)
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: /* input args */
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"0" (r->eax),
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- "1" (r->ebx),
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+ "g" (r->ebx),
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"2" (r->ecx),
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"3" (r->esi),
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"4" (r->edi),
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