summaryrefslogtreecommitdiff
path: root/include/asm-x86/lguest.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/lguest.h')
-rw-r--r--include/asm-x86/lguest.h94
1 files changed, 0 insertions, 94 deletions
diff --git a/include/asm-x86/lguest.h b/include/asm-x86/lguest.h
deleted file mode 100644
index 7505e947ed27..000000000000
--- a/include/asm-x86/lguest.h
+++ /dev/null
@@ -1,94 +0,0 @@
-#ifndef ASM_X86__LGUEST_H
-#define ASM_X86__LGUEST_H
-
-#define GDT_ENTRY_LGUEST_CS 10
-#define GDT_ENTRY_LGUEST_DS 11
-#define LGUEST_CS (GDT_ENTRY_LGUEST_CS * 8)
-#define LGUEST_DS (GDT_ENTRY_LGUEST_DS * 8)
-
-#ifndef __ASSEMBLY__
-#include <asm/desc.h>
-
-#define GUEST_PL 1
-
-/* Every guest maps the core switcher code. */
-#define SHARED_SWITCHER_PAGES \
- DIV_ROUND_UP(end_switcher_text - start_switcher_text, PAGE_SIZE)
-/* Pages for switcher itself, then two pages per cpu */
-#define TOTAL_SWITCHER_PAGES (SHARED_SWITCHER_PAGES + 2 * NR_CPUS)
-
-/* We map at -4M for ease of mapping into the guest (one PTE page). */
-#define SWITCHER_ADDR 0xFFC00000
-
-/* Found in switcher.S */
-extern unsigned long default_idt_entries[];
-
-/* 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;
- unsigned long gs;
- unsigned long fs, ds, es;
- unsigned long trapnum, errcode;
- /* Trap pushed part */
- unsigned long eip;
- unsigned long cs;
- unsigned long eflags;
- unsigned long esp;
- unsigned long ss;
-};
-
-/* This is a guest-specific page (mapped ro) into the guest. */
-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_ptr host_gdt_desc;
- u32 host_sp;
-
- /* Fields which are used when guest is running. */
- struct desc_ptr guest_idt_desc;
- struct desc_ptr guest_gdt_desc;
- struct x86_hw_tss guest_tss;
- struct desc_struct guest_idt[IDT_ENTRIES];
- struct desc_struct guest_gdt[GDT_ENTRIES];
-};
-
-struct lg_cpu_arch {
- /* The GDT entries copied into lguest_ro_state when running. */
- struct desc_struct gdt[GDT_ENTRIES];
-
- /* The IDT entries: some copied into lguest_ro_state when running. */
- struct desc_struct idt[IDT_ENTRIES];
-
- /* The address of the last guest-visible pagefault (ie. cr2). */
- unsigned long last_pagefault;
-};
-
-static inline void lguest_set_ts(void)
-{
- u32 cr0;
-
- cr0 = read_cr0();
- if (!(cr0 & 8))
- write_cr0(cr0 | 8);
-}
-
-/* Full 4G segment descriptors, suitable for CS and DS. */
-#define FULL_EXEC_SEGMENT ((struct desc_struct){ { {0x0000ffff, 0x00cf9b00} } })
-#define FULL_SEGMENT ((struct desc_struct){ { {0x0000ffff, 0x00cf9300} } })
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* ASM_X86__LGUEST_H */