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authorH. Peter Anvin <hpa@zytor.com>2010-01-22 17:42:11 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-01-22 17:42:11 -0800
commitaab6f6014b1719db0254f108d89bb0b6750c822a (patch)
treeb0866b2b6bae03e9e83ff843793ddf24123dbd8a /core
parent2219c1192672effd3d8ad878aba93b543608c9f4 (diff)
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Add support for "vga=current"
"vga=current" is a user-friendly synonym for "vga=0x0f04". Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core')
-rw-r--r--core/runkernel.inc11
1 files changed, 7 insertions, 4 deletions
diff --git a/core/runkernel.inc b/core/runkernel.inc
index c437d72d..f6ede382 100644
--- a/core/runkernel.inc
+++ b/core/runkernel.inc
@@ -138,15 +138,18 @@ parse_cmdline:
jmp .next_opt
opt_vga:
- mov eax,[es:di-1]
+ mov ax,[es:di-1]
mov bx,-1
- cmp eax,'=nor' ; vga=normal
+ cmp ax,'=nor' ; vga=normal
je .vc0
dec bx ; bx <- -2
- cmp eax,'=ext' ; vga=ext
+ cmp ax,'=ext' ; vga=ext
je .vc0
dec bx ; bx <- -3
- cmp eax,'=ask' ; vga=ask
+ cmp ax,'=ask' ; vga=ask
+ je .vc0
+ mov bx,0x0f04 ; bx <- 0x0f04 (current mode)
+ cmp ax,'=cur' ; vga=current
je .vc0
call parseint_esdi ; vga=<number>
jc .skip ; Not an integer