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有bug，在debian,gcc=10.2.1上编译后运行会在进程切换时page fault

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This commit is contained in:
fslongjin 2022-04-25 19:24:22 +08:00
parent e03cdea153
commit 4a41e734a5
2 changed files with 7 additions and 7 deletions
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6
kernel/link.lds
View File

@ -20,15 +20,17 @@ SECTIONS
}
. += KERNEL_VMA;
. = ALIGN(32768);
text_start_pa = .;
.text (text_start_pa): AT(text_start_pa - KERNEL_VMA)
{
_text = .;
*(.text)
_etext = .;
}
. = ALIGN(8);
. = ALIGN(32768);
data_start_pa = .;
.data (data_start_pa): AT(data_start_pa - KERNEL_VMA)
{
@ -37,6 +39,7 @@ SECTIONS
_edata = .;
}
. = ALIGN(32768);
rodata_start_pa = .;
.rodata (rodata_start_pa): AT(rodata_start_pa - KERNEL_VMA)
{
@ -51,6 +54,7 @@ SECTIONS
.data.init_proc_union (init_proc_union_start_pa): AT(init_proc_union_start_pa - KERNEL_VMA)
{ *(.data.init_proc_union) }
. = ALIGN(32768);
bss_start_pa = .;
.bss (bss_start_pa): AT(bss_start_pa - KERNEL_VMA)
{

6
kernel/process/process.c
View File

@ -52,11 +52,7 @@ void __switch_to(struct process_control_block *prev, struct process_control_bloc
__asm__ __volatile__("movq %0, %%fs \n\t" ::"a"(next->thread->fs));
__asm__ __volatile__("movq %0, %%gs \n\t" ::"a"(next->thread->gs));
// wrmsr(0x175, next->thread->rbp);
uint color;
if (proc_current_cpu_id == 0)
color = WHITE;
else
color = YELLOW;
}
/**