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Change the size of the kernel page table from 1 to 8 pages.

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ROS can now boot with up to 4 GB real memory (tested with a modified bochs and 1.5GB).

svn path=/trunk/; revision=2249
This commit is contained in:
Hartmut Birr 2001-09-09 12:26:05 +00:00
parent a8a4e37cba
commit 3ad515a2de
1 changed files with 8 additions and 1 deletions
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9
reactos/ntoskrnl/ke/i386/multiboot.S
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@ -106,6 +106,13 @@ _multiboot_entry:
movl $V2P(startup_pagedirectory), %esi
movl $(V2P(lowmem_pagetable) + 0x7), 0x0(%esi)
movl $(V2P(kernel_pagetable) + 0x7), 0xC00(%esi)
movl $(V2P(kernel_pagetable+4096) + 0x7), 0xC04(%esi)
movl $(V2P(kernel_pagetable+2*4096) + 0x7), 0xC08(%esi)
movl $(V2P(kernel_pagetable+3*4096) + 0x7), 0xC0c(%esi)
movl $(V2P(kernel_pagetable+4*4096) + 0x7), 0xC10(%esi)
movl $(V2P(kernel_pagetable+5*4096) + 0x7), 0xC14(%esi)
movl $(V2P(kernel_pagetable+6*4096) + 0x7), 0xC18(%esi)
movl $(V2P(kernel_pagetable+7*4096) + 0x7), 0xC1c(%esi)
movl $(V2P(lowmem_pagetable) + 0x7), 0xD00(%esi)
movl $(V2P(startup_pagedirectory) + 0x7), 0xF00(%esi)
#ifdef MP
@ -307,7 +314,7 @@ lowmem_pagetable:
.fill 4096, 1, 0
kernel_pagetable:
.fill 4096, 1, 0
.fill 8*4096, 1, 0
#ifdef MP
apic_pagetable: