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Could overwrite the memory that the SMP code is using for the trampoline

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code/stack with page tables.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14498 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-10-24 19:29:59 +00:00
parent 391f996261
commit 7a09488d8e
1 changed files with 2 additions and 1 deletions
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3
src/system/boot/platform/bios_ia32/mmu.cpp
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@ -61,7 +61,8 @@ struct extended_memory {
static const uint32 kDefaultPageTableFlags = 0x07; // present, user, R/W
static const size_t kMaxKernelSize = 0x100000; // 1 MB for the kernel
static const uint32 kPageTableRegionEnd = 0xa0000;
static const uint32 kPageTableRegionEnd = 0x9e000;
// we need to reserve 2 pages for the SMP trampoline code
// working page directory and page table
static uint32 *sPageDirectory = 0;