| From | Andi Kleen <> | Subject | [PATCH] [5/23] x86 boot: Set ax register in boot vga query | Date | Thu, 10 Jun 2010 13:10:40 +0200 (CEST) |
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I think the ax register should be input to the BIOS call, not be unused, but not fully sure. hpa?
Found by gcc 4.6's new warnings.
Cc: hpa@zytor.com Signed-off-by: Andi Kleen <ak@linux.intel.com>
--- arch/x86/boot/video-vga.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
Index: linux-2.6.35-rc2-gcc/arch/x86/boot/video-vga.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/arch/x86/boot/video-vga.c +++ linux-2.6.35-rc2-gcc/arch/x86/boot/video-vga.c @@ -41,13 +41,12 @@ static __videocard video_vga; static u8 vga_set_basic_mode(void) { struct biosregs ireg, oreg; - u16 ax; u8 mode; initregs(&ireg); /* Query current mode */ - ax = 0x0f00; + ireg.ax = 0x0f00; intcall(0x10, &ireg, &oreg); mode = oreg.al;
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