diff options
Diffstat (limited to 'arch/i386/boot/video-vga.c')
| -rw-r--r-- | arch/i386/boot/video-vga.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/i386/boot/video-vga.c b/arch/i386/boot/video-vga.c index 700d09a..aef02f9 100644 --- a/arch/i386/boot/video-vga.c +++ b/arch/i386/boot/video-vga.c @@ -47,16 +47,16 @@ static u8 vga_set_basic_mode(void) #ifdef CONFIG_VIDEO_400_HACK if (adapter >= ADAPTER_VGA) { - asm(INT10 - : : "a" (0x1202), "b" (0x0030) - : "ecx", "edx", "esi", "edi"); + asm volatile(INT10 + : : "a" (0x1202), "b" (0x0030) + : "ecx", "edx", "esi", "edi"); } #endif ax = 0x0f00; - asm(INT10 - : "+a" (ax) - : : "ebx", "ecx", "edx", "esi", "edi"); + asm volatile(INT10 + : "+a" (ax) + : : "ebx", "ecx", "edx", "esi", "edi"); mode = (u8)ax; @@ -73,9 +73,10 @@ static u8 vga_set_basic_mode(void) mode = 3; /* Set the mode */ + ax = mode; asm volatile(INT10 - : : "a" (mode) - : "ebx", "ecx", "edx", "esi", "edi"); + : "+a" (ax) + : : "ebx", "ecx", "edx", "esi", "edi"); do_restore = 1; return mode; } |