diff options
Diffstat (limited to 'src/arch/i386/image/multiboot.c')
| -rw-r--r-- | src/arch/i386/image/multiboot.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/arch/i386/image/multiboot.c b/src/arch/i386/image/multiboot.c index 3aa52e43..a4a340fd 100644 --- a/src/arch/i386/image/multiboot.c +++ b/src/arch/i386/image/multiboot.c @@ -360,8 +360,11 @@ static int multiboot_load_raw ( struct image *image, /* Verify and prepare segment */ offset = ( hdr->offset - hdr->mb.header_addr + hdr->mb.load_addr ); - filesz = ( hdr->mb.load_end_addr - hdr->mb.load_addr ); - memsz = ( hdr->mb.bss_end_addr - hdr->mb.load_addr ); + filesz = ( hdr->mb.load_end_addr ? + ( hdr->mb.load_end_addr - hdr->mb.load_addr ) : + ( image->len - offset ) ); + memsz = ( hdr->mb.bss_end_addr ? + ( hdr->mb.bss_end_addr - hdr->mb.load_addr ) : filesz ); buffer = phys_to_user ( hdr->mb.load_addr ); if ( ( rc = prep_segment ( buffer, filesz, memsz ) ) != 0 ) { DBGC ( image, "MULTIBOOT %p could not prepare segment: %s\n", |