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| author | nyan <nyan@FreeBSD.org> | 2003-10-05 09:05:45 +0000 |
|---|---|---|
| committer | nyan <nyan@FreeBSD.org> | 2003-10-05 09:05:45 +0000 |
| commit | b60346b21b15d66a054ca9304a6ead8d644a8501 (patch) | |
| tree | 68d7605d747fbe6400d17ecc4c4d3ae49a70acab /sys/pc98/i386 | |
| parent | 937fbbdfd45bc7b0b66ef67106d8294d97bdde87 (diff) | |
| download | FreeBSD-src-b60346b21b15d66a054ca9304a6ead8d644a8501.zip FreeBSD-src-b60346b21b15d66a054ca9304a6ead8d644a8501.tar.gz | |
MFi386: revisions 1.572, 1.573 and 1.574.
Diffstat (limited to 'sys/pc98/i386')
| -rw-r--r-- | sys/pc98/i386/machdep.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c index cadbba3..8c2479c 100644 --- a/sys/pc98/i386/machdep.c +++ b/sys/pc98/i386/machdep.c @@ -1294,7 +1294,7 @@ struct soft_segment_descriptor gdt_segs[] = { /* GPROC0_SEL 4 Proc 0 Tss Descriptor */ { 0x0, /* segment base address */ - sizeof(struct i386tss)-1,/* length - all address space */ + sizeof(struct i386tss)-1,/* length */ SDT_SYS386TSS, /* segment type */ 0, /* segment descriptor priority level */ 1, /* segment descriptor present */ @@ -1581,6 +1581,12 @@ getmemsize(int first) pmap_kenter(KERNBASE + pa, pa); /* + * Map the page at address zero for the bios code to use. + * Note that page zero is not in the general page pool. + */ + pmap_kenter(KERNBASE, 0); + + /* * if basemem != 640, map pages r/w into vm86 page table so * that the bios can scribble on it. */ @@ -1862,7 +1868,7 @@ physmap_done: /* * block out kernel memory as not available. */ - if (pa >= 0x100000 && pa < first) + if (pa >= KERNLOAD && pa < first) continue; page_bad = FALSE; |
