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author | H. Peter Anvin <hpa@zytor.com> | 2009-05-18 14:32:57 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-18 14:32:57 -0700 |
commit | 12ae69d843447d3a973b0d9087f4f34f18e96ae8 (patch) | |
tree | 4e301fda2cf201bddda9e9ed445958308e8e3e24 /core/parseconfig.inc | |
parent | b59d70ca4c0140550d9be8d029dc79e605fa3954 (diff) | |
parent | 4826c90afd85d3bc8ee963de0bf1438340db865a (diff) | |
download | syslinux-12ae69d843447d3a973b0d9087f4f34f18e96ae8.tar.gz |
Merge branch 'master' into core32
Conflicts:
core/extlinux.asm
core/isolinux.asm
core/ldlinux.asm
core/pxeidle.inc
core/pxelinux.asm
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core/parseconfig.inc')
-rw-r--r-- | core/parseconfig.inc | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/core/parseconfig.inc b/core/parseconfig.inc index 77afaa65..e6819bf7 100644 --- a/core/parseconfig.inc +++ b/core/parseconfig.inc @@ -178,9 +178,8 @@ pc_include: inc word [IncludeLevel] pc_serial: call getint jc .err push bx ; Serial port # - xor ax,ax - mov [FlowControl],ax ; Default to no flow control - mov [FlowIgnore],al + xor eax,eax + mov [FlowControl],eax ; Default to no flow control call skipspace jc .nobaud call ungetc @@ -200,7 +199,7 @@ pc_serial: call getint shl bh,4 mov [FlowIgnore],bh mov bh,bl - and bx,0F003h ; Valid bits + and bx,0F00Bh ; Valid bits mov [FlowControl],bx pop ebx ; Baud rate jmp short .parse_baud @@ -247,7 +246,8 @@ pc_serial: call getint jne .err ; Assume serial port busted dec dx dec dx ; DX -> IER - xor al,al ; IRQ disable + test byte [FlowOutput],8 + setnz al ; Bit 0 -> input available IRQ call slow_out inc dx ; DX -> FCR/IIR @@ -262,8 +262,7 @@ pc_serial: call getint inc dx inc dx ; DX -> MCR - in al,dx - or al,[FlowOutput] ; Assert bits + mov al,[FlowOutput] ; Assert bits call slow_out ; Show some life |