1 files changed, 129 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/vm86.h b/arch/x86/include/uapi/asm/vm86.h
new file mode 100644
index 000000000000..e0b243e9d859
--- /dev/null
+++ b/arch/x86/include/uapi/asm/vm86.h
@@ -0,0 +1,129 @@
+#ifndef _UAPI_ASM_X86_VM86_H
+#define _UAPI_ASM_X86_VM86_H
+/*
+ * I'm guessing at the VIF/VIP flag usage, but hope that this is how
+ * the Pentium uses them. Linux will return from vm86 mode when both
+ * VIF and VIP is set.
+ *
+ * On a Pentium, we could probably optimize the virtual flags directly
+ * in the eflags register instead of doing it "by hand" in vflags...
+ *
+ * Linus
+ */
+#include <asm/processor-flags.h>
+#define BIOSSEG         0x0f000
+#define CPU_086         0
+#define CPU_186         1
+#define CPU_286         2
+#define CPU_386         3
+#define CPU_486         4
+#define CPU_586         5
+/*
+ * Return values for the 'vm86()' system call
+ */
+#define VM86_TYPE(retval)       ((retval) & 0xff)
+#define VM86_ARG(retval)        ((retval) >> 8)
+#define VM86_SIGNAL     0       /* return due to signal */
+#define VM86_UNKNOWN    1       /* unhandled GP fault
+                                   - IO-instruction or similar */
+#define VM86_INTx       2       /* int3/int x instruction (ARG = x) */
+#define VM86_STI        3       /* sti/popf/iret instruction enabled
+                                   virtual interrupts */
+/*
+ * Additional return values when invoking new vm86()
+ */
+#define VM86_PICRETURN  4       /* return due to pending PIC request */
+#define VM86_TRAP       6       /* return due to DOS-debugger request */
+/*
+ * function codes when invoking new vm86()
+ */
+#define VM86_PLUS_INSTALL_CHECK 0
+#define VM86_ENTER              1
+#define VM86_ENTER_NO_BYPASS    2
+#define VM86_REQUEST_IRQ        3
+#define VM86_FREE_IRQ           4
+#define VM86_GET_IRQ_BITS       5
+#define VM86_GET_AND_RESET_IRQ  6
+/*
+ * This is the stack-layout seen by the user space program when we have
+ * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
+ * is 'kernel_vm86_regs' (see below).
+ */
+struct vm86_regs {
+/*
+ * normal regs, with special meaning for the segment descriptors..
+ */
+        long ebx;
+        long ecx;
+        long edx;
+        long esi;
+        long edi;
+        long ebp;
+        long eax;
+        long __null_ds;
+        long __null_es;
+        long __null_fs;
+        long __null_gs;
+        long orig_eax;
+        long eip;
+        unsigned short cs, __csh;
+        long eflags;
+        long esp;
+        unsigned short ss, __ssh;
+/*
+ * these are specific to v86 mode:
+ */
+        unsigned short es, __esh;
+        unsigned short ds, __dsh;
+        unsigned short fs, __fsh;
+        unsigned short gs, __gsh;
+};
+struct revectored_struct {
+        unsigned long __map[8];                 /* 256 bits */
+};
+struct vm86_struct {
+        struct vm86_regs regs;
+        unsigned long flags;
+        unsigned long screen_bitmap;
+        unsigned long cpu_type;
+        struct revectored_struct int_revectored;
+        struct revectored_struct int21_revectored;
+};
+/*
+ * flags masks
+ */
+#define VM86_SCREEN_BITMAP      0x0001
+struct vm86plus_info_struct {
+        unsigned long force_return_for_pic:1;
+        unsigned long vm86dbg_active:1;       /* for debugger */
+        unsigned long vm86dbg_TFpendig:1;     /* for debugger */
+        unsigned long unused:28;
+        unsigned long is_vm86pus:1;           /* for vm86 internal use */
+        unsigned char vm86dbg_intxxtab[32];   /* for debugger */
+};
+struct vm86plus_struct {
+        struct vm86_regs regs;
+        unsigned long flags;
+        unsigned long screen_bitmap;
+        unsigned long cpu_type;
+        struct revectored_struct int_revectored;
+        struct revectored_struct int21_revectored;
+        struct vm86plus_info_struct vm86plus;
+};
+#endif /* _UAPI_ASM_X86_VM86_H */

diff --git a/arch/x86/include/uapi/asm/vm86.h b/arch/x86/include/uapi/asm/vm86.h new file mode 100644 index 000000000000..e0b243e9d859 --- /dev/null +++ b/arch/x86/include/uapi/asm/vm86.h
@@ -0,0 +1,129 @@
	1	#ifndef _UAPI_ASM_X86_VM86_H
	2	#define _UAPI_ASM_X86_VM86_H
	3
	4	/*
	5	* I'm guessing at the VIF/VIP flag usage, but hope that this is how
	6	* the Pentium uses them. Linux will return from vm86 mode when both
	7	* VIF and VIP is set.
	8	*
	9	* On a Pentium, we could probably optimize the virtual flags directly
	10	* in the eflags register instead of doing it "by hand" in vflags...
	11	*
	12	* Linus
	13	*/
	14
	15	#include <asm/processor-flags.h>
	16
	17	#define BIOSSEG 0x0f000
	18
	19	#define CPU_086 0
	20	#define CPU_186 1
	21	#define CPU_286 2
	22	#define CPU_386 3
	23	#define CPU_486 4
	24	#define CPU_586 5
	25
	26	/*
	27	* Return values for the 'vm86()' system call
	28	*/
	29	#define VM86_TYPE(retval) ((retval) & 0xff)
	30	#define VM86_ARG(retval) ((retval) >> 8)
	31
	32	#define VM86_SIGNAL 0 /* return due to signal */
	33	#define VM86_UNKNOWN 1 /* unhandled GP fault
	34	- IO-instruction or similar */
	35	#define VM86_INTx 2 /* int3/int x instruction (ARG = x) */
	36	#define VM86_STI 3 /* sti/popf/iret instruction enabled
	37	virtual interrupts */
	38
	39	/*
	40	* Additional return values when invoking new vm86()
	41	*/
	42	#define VM86_PICRETURN 4 /* return due to pending PIC request */
	43	#define VM86_TRAP 6 /* return due to DOS-debugger request */
	44
	45	/*
	46	* function codes when invoking new vm86()
	47	*/
	48	#define VM86_PLUS_INSTALL_CHECK 0
	49	#define VM86_ENTER 1
	50	#define VM86_ENTER_NO_BYPASS 2
	51	#define VM86_REQUEST_IRQ 3
	52	#define VM86_FREE_IRQ 4
	53	#define VM86_GET_IRQ_BITS 5
	54	#define VM86_GET_AND_RESET_IRQ 6
	55
	56	/*
	57	* This is the stack-layout seen by the user space program when we have
	58	* done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
	59	* is 'kernel_vm86_regs' (see below).
	60	*/
	61
	62	struct vm86_regs {
	63	/*
	64	* normal regs, with special meaning for the segment descriptors..
	65	*/
	66	long ebx;
	67	long ecx;
	68	long edx;
	69	long esi;
	70	long edi;
	71	long ebp;
	72	long eax;
	73	long __null_ds;
	74	long __null_es;
	75	long __null_fs;
	76	long __null_gs;
	77	long orig_eax;
	78	long eip;
	79	unsigned short cs, __csh;
	80	long eflags;
	81	long esp;
	82	unsigned short ss, __ssh;
	83	/*
	84	* these are specific to v86 mode:
	85	*/
	86	unsigned short es, __esh;
	87	unsigned short ds, __dsh;
	88	unsigned short fs, __fsh;
	89	unsigned short gs, __gsh;
	90	};
	91
	92	struct revectored_struct {
	93	unsigned long __map[8]; /* 256 bits */
	94	};
	95
	96	struct vm86_struct {
	97	struct vm86_regs regs;
	98	unsigned long flags;
	99	unsigned long screen_bitmap;
	100	unsigned long cpu_type;
	101	struct revectored_struct int_revectored;
	102	struct revectored_struct int21_revectored;
	103	};
	104
	105	/*
	106	* flags masks
	107	*/
	108	#define VM86_SCREEN_BITMAP 0x0001
	109
	110	struct vm86plus_info_struct {
	111	unsigned long force_return_for_pic:1;
	112	unsigned long vm86dbg_active:1; /* for debugger */
	113	unsigned long vm86dbg_TFpendig:1; /* for debugger */
	114	unsigned long unused:28;
	115	unsigned long is_vm86pus:1; /* for vm86 internal use */
	116	unsigned char vm86dbg_intxxtab[32]; /* for debugger */
	117	};
	118	struct vm86plus_struct {
	119	struct vm86_regs regs;
	120	unsigned long flags;
	121	unsigned long screen_bitmap;
	122	unsigned long cpu_type;
	123	struct revectored_struct int_revectored;
	124	struct revectored_struct int21_revectored;
	125	struct vm86plus_info_struct vm86plus;
	126	};
	127
	128
	129	#endif /* _UAPI_ASM_X86_VM86_H */