diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-02-22 04:33:13 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-02-22 04:33:13 +0000 |
| commit | d650e9934ff8da9b9cb69e42e642c0ee6d390bf6 (patch) | |
| tree | 8c6982efa868e828c21d4d427d2678e7e0804668 /util/x86emu/yabel/biosemu.c | |
| parent | 30b90fe4f0b31aa6676f507d3913579453942ba8 (diff) | |
YABEL update
- drop x86emu + old biosemu in favor of YABEL
- Add YABEL_DIRECTHW to get the old biosemu behavior
- add support for vesa console using YABEL
- add coreboot table entry with console information
- add bootsplash support (reads /bootsplash.jpg from CBFS)
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Pattrick Hueper <phueper@hueper.net>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5135 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/x86emu/yabel/biosemu.c')
| -rw-r--r-- | util/x86emu/yabel/biosemu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/util/x86emu/yabel/biosemu.c b/util/x86emu/yabel/biosemu.c index df202814a4..09a98b50b6 100644 --- a/util/x86emu/yabel/biosemu.c +++ b/util/x86emu/yabel/biosemu.c @@ -86,10 +86,15 @@ biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long rom_ad // in case we jump somewhere unexpected, or execution is finished, // fill the biosmem with hlt instructions (0xf4) - memset(biosmem, 0xf4, biosmem_size); + // But we have to be careful: If biosmem is 0x00000000 we're running + // in the lower 1MB and we must not wipe memory like that. + if (biosmem) { + DEBUG_PRINTF("Clearing biosmem\n"); + memset(biosmem, 0xf4, biosmem_size); + } + + X86EMU_setMemBase(biosmem, biosmem_size); - M.mem_base = (long) biosmem; - M.mem_size = biosmem_size; DEBUG_PRINTF("membase set: %08x, size: %08x\n", (int) M.mem_base, (int) M.mem_size); |