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| author | Matias Zabaljauregui <zabaljauregui@gmail.com> | 2008-09-29 01:40:07 -0300 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-30 09:26:11 +1030 |
| commit | 58a24566449892dda409b9ad92c2e56c76c5670c (patch) | |
| tree | 4dfe2305dfd078c71d949ea8cc6c9cc6e2679494 /arch/x86/lguest | |
| parent | be3c5832d51174ef7f21cefd6ad612dabdcb62fd (diff) | |
| download | op-kernel-dev-58a24566449892dda409b9ad92c2e56c76c5670c.zip op-kernel-dev-58a24566449892dda409b9ad92c2e56c76c5670c.tar.gz | |
lguest: move the initial guest page table creation code to the host
This patch moves the initial guest page table creation code to the host,
so the launcher keeps working with PAE enabled configs.
Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86/lguest')
| -rw-r--r-- | arch/x86/lguest/i386_head.S | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S index 5c7cef3..10b9bd3 100644 --- a/arch/x86/lguest/i386_head.S +++ b/arch/x86/lguest/i386_head.S @@ -30,21 +30,6 @@ ENTRY(lguest_entry) movl $lguest_data - __PAGE_OFFSET, %edx int $LGUEST_TRAP_ENTRY - /* The Host put the toplevel pagetable in lguest_data.pgdir. The movsl - * instruction uses %esi implicitly as the source for the copy we're - * about to do. */ - movl lguest_data - __PAGE_OFFSET + LGUEST_DATA_pgdir, %esi - - /* Copy first 32 entries of page directory to __PAGE_OFFSET entries. - * This means the first 128M of kernel memory will be mapped at - * PAGE_OFFSET where the kernel expects to run. This will get it far - * enough through boot to switch to its own pagetables. */ - movl $32, %ecx - movl %esi, %edi - addl $((__PAGE_OFFSET >> 22) * 4), %edi - rep - movsl - /* Set up the initial stack so we can run C code. */ movl $(init_thread_union+THREAD_SIZE),%esp |
