diff options
| author | Jaromir Capik | 2026-01-12 02:40:28 +0100 |
|---|---|---|
| committer | Michael Brown | 2026-01-25 17:15:32 +0100 |
| commit | 641ea020f1b10a4317f758a0b73e3c8fc00f8914 (patch) | |
| tree | 18e8a6a722678db9d61e9eee61417d7f8144be3e /src | |
| parent | [ci] Use prebuilt containers to build and test iPXE (diff) | |
| download | ipxe-641ea020f1b10a4317f758a0b73e3c8fc00f8914.tar.gz ipxe-641ea020f1b10a4317f758a0b73e3c8fc00f8914.tar.xz ipxe-641ea020f1b10a4317f758a0b73e3c8fc00f8914.zip | |
[prefix] Make unlzma.S compatible with 386 class CPUs
Replace the bswap instruction with xchgb and roll and change the
module architecture from i486 to i386 to be consistent with the rest
of the project.
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/prefix/unlzma.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/arch/x86/prefix/unlzma.S b/src/arch/x86/prefix/unlzma.S index e4d1e190d..6ab3222e2 100644 --- a/src/arch/x86/prefix/unlzma.S +++ b/src/arch/x86/prefix/unlzma.S @@ -45,7 +45,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); .section ".note.GNU-stack", "", @progbits .code32 - .arch i486 + .arch i386 .section ".prefix.lib", "ax", @progbits #ifdef CODE16 @@ -962,7 +962,9 @@ decompress: ADDR32 lodsb /* discard initial byte */ print_hex_byte %al ADDR32 lodsl - bswapl %eax + xchgb %al, %ah + roll $16, %eax + xchgb %al, %ah print_hex_dword %eax print_character $('\n') movl %eax, rc_code(%ebp) |