[Xen-changelog] [xen-unstable] rombios: use explicit SS prefix for calculated on-stack array accesses.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1278579121 -3600
# Node ID 8fe12d6816dbf50257c0c62f288aa784f13a6e29
# Parent  3e1272f3aa71fb6110b0e2940ce50f2299ab75ba
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@xxxxxxxxxx>
---
 tools/firmware/rombios/rombios.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 3e1272f3aa71 -r 8fe12d6816db tools/firmware/rombios/rombios.c
--- a/tools/firmware/rombios/rombios.c  Thu Jul 08 09:51:40 2010 +0100
+++ b/tools/firmware/rombios/rombios.c  Thu Jul 08 09:52:01 2010 +0100
@@ -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];

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