Compressed ROM images now work.

[people/xl0/gpxe.git] / src / arch / i386 / prefix / romprefix.S

diff --git a/src/arch/i386/prefix/romprefix.S b/src/arch/i386/prefix/romprefix.S
index f68c14e..3e6cd2d 100644 (file)
--- a/src/arch/i386/prefix/romprefix.S
+++ b/src/arch/i386/prefix/romprefix.S
@@ -14,7 +14,7 @@
        .org    0x00
 romheader:
        .word   0xAA55                  /* BIOS extension signature */
-       .byte   _rom_size               /* Size in 512-byte blocks */
+romheader_size:        .byte   _rom_size       /* Size in 512-byte blocks */
        jmp     init_vector             /* Initialisation vector */
        .org    0x16
        .word   undiheader
@@ -34,7 +34,7 @@ pciheader:
        .byte   0x02                    /* Device Base Type code */
        .byte   0x00                    /* Device Sub-Type code */
        .byte   0x00                    /* Device Interface Type code */
-       .word   _rom_size               /* Image length same as offset 02h */
+pciheader_size:        .word   _rom_size       /* Image length same as offset 02h */
        .word   0x0001                  /* revision level of code/data */
        .byte   0x00                    /* code type */
        .byte   0x80                    /* Flags (last PCI data structure) */
@@ -215,3 +215,15 @@ print_message:
        popw    %ax
        ret
        .size print_message, . - print_message
+
+
+       /* Data update information for the compressor */
+       .section ".zinfo.fixup", "a"
+       .ascii  "SUBB"
+       .long   romheader_size
+       .long   512
+       .long   0
+       .ascii  "SUBW"
+       .long   pciheader_size
+       .long   512
+       .long   0