Imbus/xv6-riscv-kernel
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Use static page table for boot, mapping first 4Mbyte; no more segment trick

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Allocate proper kernel page table immediately in main using boot allocator
Remove pginit
Simplify address space layout a tiny bit
More to come (e.g., superpages to simplify static table)
This commit is contained in:
Frans Kaashoek 2011-08-09 21:37:35 -04:00
parent 3a03810643
commit 66ba8079c7
9 changed files with 1101 additions and 103 deletions
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2
proc.c
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@ -83,7 +83,7 @@ userinit(void)
p = allocproc();
initproc = p;
if((p->pgdir = setupkvm()) == 0)
if((p->pgdir = setupkvm(kalloc)) == 0)
panic("userinit: out of memory?");
inituvm(p->pgdir, _binary_initcode_start, (int)_binary_initcode_size);
p->sz = PGSIZE;