参考资料 Combined Volume Set of Intel® 64 and IA-32 Architectures Software Developer’s Manuals
内存管理——分页机制的启用
32位分页模式:CR0.PE=1, CR0.PG=1, CR4.PAE=0
PAE分页模式:CR0.PE=1, CR0.PG=1, CR4.PAE=1, IA32_EFER.LME=0
4级分页模式:CR0.PE=1, CR0.PG=1, CR4.PAE=1, IA32_EFER.LME=1, CR4.LA57=0
5级分页模式:CR0.PE=1, CR0.PG=1, CR4.PAE=1, IA32_EFER.LME=1, CR4.LA57=1
其他:
IA32_EFER.LME=0时,只能使用32位分页模式和PAE分页模式。
IA32_EFER.LME=1时,只能使用4级分页模式和5级分页模式。
参考资料 Combined Volume Set of Intel® 64 and IA-32 Architectures Software Developer’s Manuals
参考资料 Combined Volume Set of Intel® 64 and IA-32 Architectures Software Developer’s Manuals