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boot_cs32
2007 Jun 27
0
[PATCH 1/10] Provide basic Xen PM infrastructure
...*/
+1: wrmsr
+.Lskip_eferw:
+#endif
+
+ wbinvd
+
+ mov $0x80050033,%eax /* hi-to-lo: PG,AM,WP,NE,ET,MP,PE */
+ mov %eax,%cr0
+ jmp 1f
+1:
+
+#if defined(__x86_64__)
+
+ /* Now in compatibility mode. Long-jump to 64-bit mode */
+ ljmp $BOOT_CS64, $bootsym_phys(wakeup_64)
+
+ .code64
+ .align 8
+ .word 0,0,0
+lgdt_descr:
+ .word LAST_RESERVED_GDT_BYTE
+ .quad gdt_table - FIRST_RESERVED_GDT_BYTE
+
+wakeup_64:
+ lgdt lgdt_descr(%rip)
+ mov $(__HYPERVISOR_DS64), %eax
+...