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| author | Frans Kaashoek <[email protected]> | 2011-08-15 17:41:58 -0400 |
|---|---|---|
| committer | Frans Kaashoek <[email protected]> | 2011-08-15 17:41:58 -0400 |
| commit | 944964685325aa63a59e5e84d8fd0ba5af45ec8c (patch) | |
| tree | f25a414730f9d5576666a89ead43a47ae387f6d8 /entryother.S | |
| parent | 843eecfcd0c23f2b9466e5c3289c1819950ccb47 (diff) | |
| download | xv6-labs-944964685325aa63a59e5e84d8fd0ba5af45ec8c.tar.gz xv6-labs-944964685325aa63a59e5e84d8fd0ba5af45ec8c.tar.bz2 xv6-labs-944964685325aa63a59e5e84d8fd0ba5af45ec8c.zip | |
Use 4Mbyte pages during boot
Diffstat (limited to 'entryother.S')
| -rw-r--r-- | entryother.S | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/entryother.S b/entryother.S index 4f8e3ba..56651e6 100644 --- a/entryother.S +++ b/entryother.S @@ -50,6 +50,10 @@ start32: movw %ax, %fs movw %ax, %gs + # Turn on page size extension for 4Mbyte pages + movl %cr4, %eax + orl $(CR4_PSE), %eax + movl %eax, %cr4 # Use bootpgdir as our initial page table movl (start-12), %eax movl %eax, %cr3 @@ -58,7 +62,7 @@ start32: orl $(CR0_PE|CR0_PG|CR0_WP), %eax movl %eax, %cr0 - # Switch to the stack allocated by entryothers() + # Switch to the stack allocated by enterothers() movl (start-4), %esp # Call mpboot() call *(start-8) |