diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/src/arch/i386/include/sdi.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/ipxe/src/arch/i386/include/sdi.h')
| -rw-r--r-- | roms/ipxe/src/arch/i386/include/sdi.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/roms/ipxe/src/arch/i386/include/sdi.h b/roms/ipxe/src/arch/i386/include/sdi.h new file mode 100644 index 00000000..fc486402 --- /dev/null +++ b/roms/ipxe/src/arch/i386/include/sdi.h @@ -0,0 +1,39 @@ +#ifndef _SDI_H +#define _SDI_H + +/** @file + * + * System Deployment Image (SDI) + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** SDI image header */ +struct sdi_header { + /** Signature */ + uint32_t magic; + /** Version (as an ASCII string) */ + uint32_t version; + /** Reserved */ + uint8_t reserved[8]; + /** Boot code offset */ + uint64_t boot_offset; + /** Boot code size */ + uint64_t boot_size; +} __attribute__ (( packed )); + +/** SDI image signature */ +#define SDI_MAGIC \ + ( ( '$' << 0 ) | ( 'S' << 8 ) | ( 'D' << 16 ) | ( 'I' << 24 ) ) + +/** SDI boot segment */ +#define SDI_BOOT_SEG 0x0000 + +/** SDI boot offset */ +#define SDI_BOOT_OFF 0x7c00 + +/** Constant to binary-OR with physical address of SDI image */ +#define SDI_WTF 0x41 + +#endif /* _SDI_H */ |