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支持多核启动并初始化AP核的Local APIC

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fslongjin
2022-04-04 22:54:36 +08:00
parent 2d1965fa2d
commit d9c7ddec66
4 changed files with 39 additions and 6 deletions
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4
kernel/smp/apu_boot.S
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@ -112,6 +112,10 @@ _apu_code64:
or $(3 << 9), %ax //set CR4.OSFXSR and CR4.OSXMMEXCPT at the same time
movq %rax, %cr4
// 跳转到地址1MB处执行
movq $_start64, %rax
jmpq *%rax
hlt