1. Add GNUmakefile for Linux GCC to build BootSector;

[mirror_edk2.git] / DuetPkg / BootSector / start.S

diff --git a/DuetPkg/BootSector/start.S b/DuetPkg/BootSector/start.S
index d558652a9ad9d7ff0608525acc0e9d1fb7ec8279..243ab3a42e1e7da9dd644265d4571066a3cb6cfd 100644 (file)
--- a/DuetPkg/BootSector/start.S
+++ b/DuetPkg/BootSector/start.S
@@ -74,7 +74,7 @@ BootSectorEntryPoint:
 NoVarStore: \r
         pushw   %es\r
 # Set the 5th byte start @ 0:19000 to non-zero indicating we should init var store header in DxeIpl\r
-        movb    %al, %es:($4)\r
+        movb    %al, %es:4\r
         jmp     SaveVolumeId\r
 \r
 CheckVarStoreSize: \r
@@ -85,7 +85,7 @@ CheckVarStoreSize:
 \r
 LoadVarStore: \r
         movb    $0, %al\r
-        movb    %al, %es:($4)\r
+        movb    %al, %es:4\r
         movw    (%di), %cx\r
 #       ES:DI = 1500:0\r
         xorw    %di, %di\r
@@ -96,9 +96,9 @@ LoadVarStore:
 SaveVolumeId: \r
         popw    %es\r
         movw    VolId(%bp), %ax\r
-        movw    %ax, %es:($0)                       # Save Volume Id to 0:19000. we will find the correct volume according to this VolumeId\r
+        movw    %ax, %es:0                     # Save Volume Id to 0:19000. we will find the correct volume according to this VolumeId\r
         movw    VolId+2(%bp), %ax\r
-        movw    %ax, %es:($2)\r
+        movw    %ax, %es:2\r
 \r
 # Read Efildr\r
         popw    %cx\r