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2009-11-09 Vladimir Serbinenko <phcoder@gmail.com>

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* kern/i386/pc/startup.S (grub_biosdisk_get_diskinfo_int13_extensions):
	Ignore return status if CF is cleared.
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Vladimir 'phcoder' Serbinenko committed 2009-11-09 23:51:01 +01:00
1 parent 66e9b71250
commit 81faaf6c56
1 file changed
+5
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kern/i386/pc/startup.S
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@@ -776,6 +776,11 @@ FUNCTION(grub_biosdisk_get_diskinfo_int13_extensions)
movw %cx, %ax movw %cx, %ax
movw %bx, %ds movw %bx, %ds
int $0x13 /* do the operation */ int $0x13 /* do the operation */
jc noclean
/* Clean return value if carry isn't set to workaround
some buggy BIOSes. */
xor %ax, %ax
noclean:
movb %ah, %bl /* save return value in %bl */ movb %ah, %bl /* save return value in %bl */
/* back to protected mode */ /* back to protected mode */
DATA32 call real_to_prot DATA32 call real_to_prot