oneechanhax/phunix
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make space for first code and data pages if so configured.

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This commit is contained in:
Ben Gras 2008-12-19 15:46:29 +00:00
parent d2757d4b73
commit 203eb54a4c
1 changed files with 10 additions and 0 deletions
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10
kernel/arch/i386/mpx386.s
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@ -43,6 +43,8 @@
! sections ! sections
#include <sys/vm_i386.h>
.sect .text .sect .text
begtext: begtext:
.sect .rom .sect .rom
@ -216,7 +218,12 @@ csinit:
ltr ax ltr ax
push 0 ! set flags to known good state push 0 ! set flags to known good state
popf ! esp, clear nested task and int enable popf ! esp, clear nested task and int enable
#if VM_KERN_NOPAGEZERO
jmp laststep
.align I386_PAGE_SIZE
laststep:
#endif
jmp _main ! main() jmp _main ! main()
@ -564,6 +571,9 @@ _load_kernel_cr3:
.sect .rom ! Before the string table please .sect .rom ! Before the string table please
.data2 0x526F ! this must be the first data entry (magic #) .data2 0x526F ! this must be the first data entry (magic #)
#if VM_KERN_NOPAGEZERO
.align I386_PAGE_SIZE
#endif
.sect .bss .sect .bss
k_stack: k_stack: