diff options
Diffstat (limited to 'src/arch/i386/prefix/romprefix.S')
| -rw-r--r-- | src/arch/i386/prefix/romprefix.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/i386/prefix/romprefix.S b/src/arch/i386/prefix/romprefix.S index cb474e81..d695fd92 100644 --- a/src/arch/i386/prefix/romprefix.S +++ b/src/arch/i386/prefix/romprefix.S @@ -351,6 +351,7 @@ got_pmm: /* PMM allocation succeeded */ call print_character movw %si, %ax call print_hex_byte +pmm_copy: /* Copy ROM to PMM block */ xorw %ax, %ax movw %ax, %es @@ -362,7 +363,19 @@ got_pmm: /* PMM allocation succeeded */ movl %edi, decompress_to /* Shrink ROM */ movb $_prefix_memsz_sect, romheader_size +#ifdef SHRINK_WITHOUT_PMM + jmp pmm_done pmm_fail: + /* Print marker and copy ourselves to high memory */ + movl $HIGHMEM_LOADPOINT, image_source + xorw %di, %di + movb $( '!' ), %al + call print_character + jmp pmm_copy +pmm_done: +#else +pmm_fail: +#endif /* Restore upper register halves */ popal no_pmm: |