Imbus/xv6-riscv-kernel
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Use 4Mbyte pages during boot

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This commit is contained in:
Frans Kaashoek 2011-08-15 17:41:58 -04:00
parent 843eecfcd0
commit 9449646853
4 changed files with 15 additions and 1035 deletions
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5
entry.S
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@ -39,6 +39,11 @@ multiboot_header:
# Multiboot entry point. Machine is mostly set up.
.globl multiboot_entry
multiboot_entry:
# Turn on page size extension for 4Mbyte pages
movl %cr4, %eax
orl $(CR4_PSE), %eax
movl %eax, %cr4
# Set page directory
movl $(V2P_WO(bootpgdir)), %eax
movl %eax, %cr3
# Turn on paging.