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Kernel: Allow booting with multiple processors on i686

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Also remove unnecessary ds clearing in x86_64.
This commit is contained in:
Bananymous
2024-04-03 02:30:38 +03:00
parent 0dd74e3c9d
commit d2df55b1ac
2 changed files with 0 additions and 7 deletions
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4
kernel/arch/i686/boot.S
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@@ -231,7 +231,6 @@ system_halt:
.code16 .code16
.global ap_trampoline .global ap_trampoline
ap_trampoline: ap_trampoline:
ud2
jmp 1f jmp 1f
.align 8 .align 8
ap_stack_ptr: ap_stack_ptr:
@@ -239,10 +238,7 @@ ap_stack_ptr:
1: 1:
cli; cld cli; cld
ljmpl $0x00, $ap_cs_clear ljmpl $0x00, $ap_cs_clear
ap_cs_clear: ap_cs_clear:
xorw %ax, %ax
movw %ax, %ds
# load ap gdt and enter protected mode # load ap gdt and enter protected mode
lgdt ap_gdtr lgdt ap_gdtr

3
kernel/arch/x86_64/boot.S
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@@ -249,10 +249,7 @@ ap_stack_ptr:
1: 1:
cli; cld cli; cld
ljmpl $0x00, $ap_cs_clear ljmpl $0x00, $ap_cs_clear
ap_cs_clear: ap_cs_clear:
xorw %ax, %ax
movw %ax, %ds
# load ap gdt and enter protected mode # load ap gdt and enter protected mode
lgdt ap_gdtr lgdt ap_gdtr