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Windows Bootloader: pass correct compressed data size to decompressor and use shorter string to keep a valid memory layout for boot sector.

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This commit is contained in:
Mounir IDRASSI 2015-09-12 23:46:56 +02:00
parent 89a7fad16d
commit 22152878f8
1 changed files with 3 additions and 2 deletions
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3
src/Boot/Windows/BootSector.asm
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@ -139,6 +139,7 @@ checksum_ok:
; Decompress boot loader
mov cx, word ptr [start + TC_BOOT_SECTOR_LOADER_LENGTH_OFFSET]
sub cx, TC_GZIP_HEADER_SIZE
push cx ; Compressed data size
push TC_BOOT_LOADER_COMPRESSED_BUFFER_OFFSET + TC_GZIP_HEADER_SIZE ; Compressed data
push TC_MAX_BOOT_LOADER_DECOMPRESSED_SIZE ; Output buffer size
@ -234,7 +235,7 @@ checksum:
backup_loader_used db 0
disk_error_msg db 'Disk error', 13, 10, 7, 0
loader_damaged_msg db 7, 'Loader damaged! Use Rescue Disk: Repair Options > Restore', 0
loader_damaged_msg db 7, 'Loader damaged! Repair with Rescue Disk', 0
ORG 7C00h + 510
dw 0AA55h ; Boot sector signature