/* Found in switcher.S */
extern unsigned long default_idt_entries[];
-struct lguest_regs
-{
+/* Declarations for definitions in lguest_guest.S */
+extern char lguest_noirq_start[], lguest_noirq_end[];
+extern const char lgstart_cli[], lgend_cli[];
+extern const char lgstart_sti[], lgend_sti[];
+extern const char lgstart_popf[], lgend_popf[];
+extern const char lgstart_pushf[], lgend_pushf[];
+extern const char lgstart_iret[], lgend_iret[];
+
+extern void lguest_iret(void);
+extern void lguest_init(void);
+
+struct lguest_regs {
/* Manually saved part. */
unsigned long eax, ebx, ecx, edx;
unsigned long esi, edi, ebp;
};
/* This is a guest-specific page (mapped ro) into the guest. */
-struct lguest_ro_state
-{
+struct lguest_ro_state {
/* Host information we need to restore when we switch back. */
u32 host_cr3;
struct desc_ptr host_idt_desc;
struct desc_struct guest_gdt[GDT_ENTRIES];
};
-struct lguest_arch
-{
+struct lg_cpu_arch {
/* The GDT entries copied into lguest_ro_state when running. */
struct desc_struct gdt[GDT_ENTRIES];
cr0 = read_cr0();
if (!(cr0 & 8))
- write_cr0(cr0|8);
+ write_cr0(cr0 | 8);
}
/* Full 4G segment descriptors, suitable for CS and DS. */