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🆕 测量local apic定时器频率

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This commit is contained in:
fslongjin
2022-07-11 18:40:23 +08:00
parent 7d64ad6c1a
commit 4c9719f477
11 changed files with 260 additions and 54 deletions
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5
kernel/driver/interrupt/apic/apic.c
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@ -187,7 +187,7 @@ 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, 0xfee00000, 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);
uint a, b, c, d;
cpu_cpuid(1, 0, &a, &b, &c, &d);
@ -235,6 +235,7 @@ void apic_local_apic_init()
// 检测是否成功启用xAPIC和x2APIC
if (eax & 0xc00)
kinfo("xAPIC & x2APIC enabled!");
/*
io_mfence();
uint *svr = (uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_SVR);
@ -336,7 +337,7 @@ void apic_local_apic_init()
io_mfence();
kdebug("cmci = %#018lx", *(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_CMCI));
*/
*(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_TIMER) = 0x10000;
*(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_TIMER) = APIC_LVT_INT_MASKED;
io_mfence();
/*
*(uint *)(APIC_LOCAL_APIC_VIRT_BASE_ADDR + LOCAL_APIC_OFFSET_Local_APIC_LVT_THERMAL) = 0x1000000;