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authorEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
committerEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
commite83a36ce9f97ac0f59117b3a62fd2dd8461b1fd5 (patch)
tree85ce10f2fc87fba69e07a13d7036d074e195dea7 /include/sys/vm86.h
parent65eee187317b93773d2409d0e7e2814d34c6a0e1 (diff)
Rev all the header files to sync things with glibc 2.2.4
Diffstat (limited to 'include/sys/vm86.h')
-rw-r--r--include/sys/vm86.h125
1 files changed, 0 insertions, 125 deletions
diff --git a/include/sys/vm86.h b/include/sys/vm86.h
deleted file mode 100644
index 851814e13..000000000
--- a/include/sys/vm86.h
+++ /dev/null
@@ -1,125 +0,0 @@
-#if !__AS386_16__
-
-#ifndef _SYS_VM86_H
-#define _SYS_VM86_H
-
-#include <features.h>
-#ifndef _LINUX_VM86_H
-#define _LINUX_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
- */
-
-#define TF_MASK 0x00000100
-#define IF_MASK 0x00000200
-#define IOPL_MASK 0x00003000
-#define NT_MASK 0x00004000
-#define VM_MASK 0x00020000
-#define AC_MASK 0x00040000
-#define VIF_MASK 0x00080000 /* virtual interrupt flag */
-#define VIP_MASK 0x00100000 /* virtual interrupt pending */
-#define ID_MASK 0x00200000
-
-#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 */
-
-/*
- * This is the stack-layout when we have done a "SAVE_ALL" from vm86
- * mode - the main change is that the old segment descriptors aren't
- * useful any more and are forced to be zero by the kernel (and the
- * hardware when a trap occurs), and the real segment descriptors are
- * at the end of the structure. Look at ptrace.h to see the "normal"
- * setup.
- */
-
-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
-
-#ifdef __KERNEL__
-
-void handle_vm86_fault(struct vm86_regs *, long);
-void handle_vm86_debug(struct vm86_regs *, long);
-
-#endif
-
-#endif
-
-__BEGIN_DECLS
-
-extern vm86(struct vm86_struct * __info);
-
-__END_DECLS
-
-#endif /*_SYS_VM86_H */
-
-#endif