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initialize ds/es/fs/gs/ss in cstart.S #3

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Merged
wenlingz merged 1 commit into from
Apr 19, 2019
Merged

initialize ds/es/fs/gs/ss in cstart.S #3

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8 changes: 7 additions & 1 deletion guest/x86/cstart.S
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Original file line number Diff line number Diff line change
Expand Up @@ -94,13 +94,13 @@ MSR_GS_BASE = 0xc0000101

.globl start
start:
mov $stacktop, %esp
push %ebx
call setup_multiboot
call setup_libcflat
mov mb_cmdline(%ebx), %eax
mov %eax, __args
call __setup_args
mov $stacktop, %esp
setup_percpu_area
call prepare_32
jmpl $8, $start32
Expand Down Expand Up @@ -145,6 +145,12 @@ ap_start32:
jmp 1b

start32:
mov $0x10, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
mov %ax, %gs
mov %ax, %ss
call load_tss
call mask_pic_interrupts
call enable_apic
Expand Down