X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=DuetPkg%2FBootSector%2Fstart.S;h=d558652a9ad9d7ff0608525acc0e9d1fb7ec8279;hp=9d066541081fc15ce620acb4a7605f1ba1676645;hb=ccec4c39691f3e2bc3108ef82f744b278b59fda3;hpb=01f1138afeda57f67d783c0e29aafeb7ce6edda6

diff --git a/DuetPkg/BootSector/start.S b/DuetPkg/BootSector/start.S
index 9d06654108..d558652a9a 100644
--- a/DuetPkg/BootSector/start.S
+++ b/DuetPkg/BootSector/start.S
@@ -15,6 +15,10 @@
 #*
 #------------------------------------------------------------------------------
 
+
+
+
+
 		
 .equ                        FAT_DIRECTORY_ENTRY_SIZE, 0x020
 .equ                        FAT_DIRECTORY_ENTRY_SHIFT, 5
@@ -149,9 +153,9 @@ FatChainLoop:
         shrw    %ax                                 # FatOffset = ClusterNumber*3 / 2
         pushw   %si                                 # Save si
         movw    %ax, %si                            # si = FatOffset
-        shrw    %ax                                 # ax = FatOffset >> BLOCK_SHIFT
+        shrw    $BLOCK_SHIFT, %ax                   # ax = FatOffset >> BLOCK_SHIFT
         addw    ReservedSectors(%bp), %ax           # ax = FatSectorNumber = ReservedSectors + (FatOffset >> BLOCK_OFFSET)
-        andw    BLOCK_MASK,%si                      # si = FatOffset & BLOCK_MASK
+        andw    $BLOCK_MASK,%si                     # si = FatOffset & BLOCK_MASK
         cmpw    %dx, %ax                            # Compare FatSectorNumber to CachedFatSectorNumber
         je      SkipFatRead
         movw    $2, %bx
@@ -279,7 +283,7 @@ NotCrossing64KBoundry:
 DiskError: 
         pushw %cs
         popw %ds
-        leaw %cs:ErrorString, %si
+        leaw ErrorString, %si
         movw $7, %cx
         jmp  PrintStringAndHalt
 
@@ -295,7 +299,7 @@ Halt:
 ErrorString: 
         .byte 'S', 0x0c, 'E', 0x0c, 'r', 0x0c, 'r', 0x0c, 'o', 0x0c, 'r', 0x0c, '!',0x0c
 
-        #.org     0x0242 # For Code size overflow, Modified this just for pass build
+        .org     0x0241 # For Code size overflow, Modified this just for pass build
 LBAOffsetForBootSector: 
         .long   0x0