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kernel PTE initialization bug fixed

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git-svn-id: svn://kolibrios.org@1451 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Artem Jerdev (art_zh) 2010-04-16 21:47:03 +00:00
parent 90d7119b99
commit 0d32c5bfec
1 changed files with 4 additions and 8 deletions
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12
kernel/trunk/init.inc
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@ -139,14 +139,10 @@ proc init_mem
dec [pg_data.kernel_tables-OS_BASE]
mov [edx], eax
add eax, 0x00400000
add edx, 4
mov eax, 0x400000+PG_SW
mov ecx, [tmp_page_tabs]
sub ecx, 0x400000
shr ecx, 12 ;ecx/=4096
jmp .map_low
mov edi, [tmp_page_tabs]
jmp .map_kernel_heap ; new kernel fits to the first 4Mb - nothing to do with ".map_low"
.no_PSE:
mov eax, PG_SW
mov ecx, [tmp_page_tabs]
@ -159,6 +155,7 @@ proc init_mem
dec ecx
jnz @B
.map_kernel_heap:
mov ecx, [pg_data.kernel_tables-OS_BASE]
shl ecx, 10
xor eax, eax
@ -166,11 +163,10 @@ proc init_mem
mov ecx, [pg_data.kernel_tables-OS_BASE]
mov eax, [tmp_page_tabs]
or eax, PG_SW
or eax, PG_SW
mov edi, edx
.map_kernel_tabs:
stosd
add eax, 0x1000
dec ecx