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在acpi中使用mmio来映射rsdt表(#40)

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* 在acpi中使用mmio来映射rsdt表

* bugfix: 修复page fault的问题

Co-authored-by: fslongjin <longjin@RinGoTek.cn>
This commit is contained in:
houmkh
2022-09-09 00:21:46 +08:00
committed by GitHub
parent 55e63fcb63
commit 6db92c86b8
5 changed files with 85 additions and 48 deletions
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20
kernel/mm/mm.c
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@ -229,6 +229,26 @@ void mm_init()
// 初始化slab内存池
slab_init();
page_table_init();
initial_mm.pgd = (pml4t_t *)get_CR3();
initial_mm.code_addr_start = memory_management_struct.kernel_code_start;
initial_mm.code_addr_end = memory_management_struct.kernel_code_end;
initial_mm.data_addr_start = (ul)&_data;
initial_mm.data_addr_end = memory_management_struct.kernel_data_end;
initial_mm.rodata_addr_start = (ul)&_rodata;
initial_mm.rodata_addr_end = (ul)&_erodata;
initial_mm.bss_start = (uint64_t)&_bss;
initial_mm.bss_end = (uint64_t)&_ebss;
initial_mm.brk_start = memory_management_struct.start_brk;
initial_mm.brk_end = current_pcb->addr_limit;
initial_mm.stack_start = _stack_start;
initial_mm.vmas = NULL;
mmio_init();
}