diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2005-11-10 14:32:39 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2005-11-10 14:32:39 +0000 |
| commit | ffcb581787bac33aba3d08403e42313fbfb5f76d (patch) | |
| tree | 9fa670e80c8e1355fae54867080c0381f8c589d2 /sys/arch | |
| parent | 6250670363fb119aa6178193911dbfa7f0aa5818 (diff) | |
make sure to ignore >4g and split on 4g memory segments from the bios map; tom@ ok
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index 7bd95a3ca44..d85bfc07775 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.328 2005/11/04 06:55:35 tedu Exp $ */ +/* $OpenBSD: machdep.c,v 1.329 2005/11/10 14:32:38 mickey Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -2864,15 +2864,30 @@ init386(paddr_t first_avail) for(i = 0, im = bios_memmap; im->type != BIOS_MAP_END; im++) if (im->type == BIOS_MAP_FREE) { register paddr_t a, e; +#ifdef DEBUG + printf(" %llx-%llx", im->addr, im->addr + im->size); +#endif + + if (im->addr >= 0x100000000ULL) { +#ifdef DEBUG + printf("-H"); +#endif + continue; + } a = i386_round_page(im->addr); - e = i386_trunc_page(im->addr + im->size); + if (im->addr + im->size <= 0xfffff000ULL) + e = i386_trunc_page(im->addr + im->size); + else { +#ifdef DEBUG + printf("-T"); +#endif + e = 0xfffff000; + } + /* skip first four pages */ if (a < 5 * NBPG) a = 5 * NBPG; -#ifdef DEBUG - printf(" %u-%u", a, e); -#endif /* skip shorter than page regions */ if (a >= e || (e - a) < NBPG) { |