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Code Issues Releases Wiki Activity

使mm支持4K虚拟地址映射

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This commit is contained in:
fslongjin
2022-07-18 16:07:34 +08:00
parent 8b6489dac3
commit aa3f433cd5
10 changed files with 335 additions and 111 deletions
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4
kernel/driver/interrupt/apic/apic.c
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@ -69,7 +69,7 @@ void apic_io_apic_init()
// kdebug("(ul)apic_ioapic_map.virtual_index_addr=%#018lx", (ul)apic_ioapic_map.virtual_index_addr);
// 填写页表，完成地址映射
mm_map_phys_addr((ul)apic_ioapic_map.virtual_index_addr, apic_ioapic_map.addr_phys, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD);
mm_map_phys_addr((ul)apic_ioapic_map.virtual_index_addr, apic_ioapic_map.addr_phys, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
// 设置IO APIC ID 为0x0f000000
*apic_ioapic_map.virtual_index_addr = 0x00;
@ -198,7 +198,7 @@ void apic_init_ap_core_local_apic()
void apic_local_apic_init()
{
// 映射Local APIC 寄存器地址
mm_map_phys_addr(APIC_LOCAL_APIC_VIRT_BASE_ADDR, 0xfee00000UL, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD);
mm_map_phys_addr(APIC_LOCAL_APIC_VIRT_BASE_ADDR, 0xfee00000UL, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
uint a, b, c, d;
cpu_cpuid(1, 0, &a, &b, &c, &d);