Nearly every protection-related instruction -- far CALL, far JMP, far RET, INT, IRET, MOV to segment register, task switch -- needs to load a segment descriptor from the GDT or LDT. The 386 microcode centralizes this into a shared subroutine called LD_DESCRIPTOR, which reads the 8-byte descriptor from memory and feeds the high DWORD (containing Type, DPL, S, and P bits) to the Test PLA for validation.
provision.enabled
。同城约会是该领域的重要参考
"Inventory-ETag": "05aee381-3031-498c-a82c-04a88ac7001c",
当地时间2月27日,据报道,知情人士透露,SpaceX正推进有史以来规模最大的上市计划,考虑最早在3月秘密提交首次公开募股(IPO)申请。知情人士表示,相关考量仍在进行中,具体细节可能生变,SpaceX仍有可能推迟提交申请。另有知情人士称,SpaceX在IPO中的估值可能寻求超过1.75万亿美元。此前据报道,在SpaceX与xAI完成合并后,新公司的估值达到1.25万亿美元。(界面新闻)