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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-07-08 09:52:01 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-07-08 09:52:01 +0100 |
| commit | f3e5b69ec8d1ae2a3621b4940d460f4c46bac1a3 (patch) | |
| tree | 25df64c81281b54ceee120595fee543502331833 /tools/firmware/rombios | |
| parent | 6456803dabb092076c6adb9e0fcb7b2161e7bfec (diff) | |
| download | xen-f3e5b69ec8d1ae2a3621b4940d460f4c46bac1a3.tar.gz xen-f3e5b69ec8d1ae2a3621b4940d460f4c46bac1a3.tar.bz2 xen-f3e5b69ec8d1ae2a3621b4940d460f4c46bac1a3.zip | |
rombios: use explicit SS prefix for calculated on-stack array accesses.
The bcc compiler gets constant array offsets right but does all
calculated array offsets via DS.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Diffstat (limited to 'tools/firmware/rombios')
| -rw-r--r-- | tools/firmware/rombios/rombios.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/firmware/rombios/rombios.c b/tools/firmware/rombios/rombios.c index 4e0157c80f..f3363e9f94 100644 --- a/tools/firmware/rombios/rombios.c +++ b/tools/firmware/rombios/rombios.c @@ -3735,10 +3735,10 @@ cdrom_boot() // Validity checks if(buffer[0]!=0)return 4; for(i=0;i<5;i++){ - if(buffer[1+i]!=read_byte(0xf000,&isotag[i]))return 5; + if(read_byte(get_SS(),&buffer[1+i])!=read_byte(0xf000,&isotag[i]))return 5; } for(i=0;i<23;i++) - if(buffer[7+i]!=read_byte(0xf000,&eltorito[i]))return 6; + if(read_byte(get_SS(),&buffer[7+i])!=read_byte(0xf000,&eltorito[i]))return 6; // ok, now we calculate the Boot catalog address lba=buffer[0x4A]*0x1000000+buffer[0x49]*0x10000+buffer[0x48]*0x100+buffer[0x47]; |