X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=misc%2Ftest_vm%2Finclude%2Fgeekos%2Fint.h;fp=misc%2Ftest_vm%2Finclude%2Fgeekos%2Fint.h;h=0000000000000000000000000000000000000000;hp=a80d142cf83e286eba60d25775ca11fa02859c52;hb=a70930549d1b741704dd7af4e6bb0e89f6f8a519;hpb=afb634a80f946634454a5d067a92aa600227bd93

diff --git a/misc/test_vm/include/geekos/int.h b/misc/test_vm/include/geekos/int.h
deleted file mode 100644
index a80d142..0000000
--- a/misc/test_vm/include/geekos/int.h
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * GeekOS interrupt handling data structures and functions
- * Copyright (c) 2001, David H. Hovemeyer <daveho@cs.umd.edu>
- * $Revision: 1.1 $
- * 
- * This is free software.  You are permitted to use,
- * redistribute, and modify it as specified in the file "COPYING".
- */
-
-/*
- * This module describes the C interface which must be implemented
- * by interrupt handlers, and has the initialization function
- * for the interrupt system as a whole.
- */
-
-#ifndef GEEKOS_INT_H
-#define GEEKOS_INT_H
-
-#include <geekos/kassert.h>
-#include <geekos/ktypes.h>
-#include <geekos/defs.h>
-
-/*
- * This struct reflects the contents of the stack when
- * a C interrupt handler function is called.
- * It must be kept up to date with the code in "lowlevel.asm".
- */
-struct Interrupt_State {
-    /*
-     * The register contents at the time of the exception.
-     * We save these explicitly.
-     */
-    uint_t gs;
-    uint_t fs;
-    uint_t es;
-    uint_t ds;
-    uint_t ebp;
-    uint_t edi;
-    uint_t esi;
-    uint_t edx;
-    uint_t ecx;
-    uint_t ebx;
-    uint_t eax;
-
-    /*
-     * We explicitly push the interrupt number.
-     * This makes it easy for the handler function to determine
-     * which interrupt occurred.
-     */
-    uint_t intNum;
-
-    /*
-     * This may be pushed by the processor; if not, we push
-     * a dummy error code, so the stack layout is the same
-     * for every type of interrupt.
-     */
-    uint_t errorCode;
-
-    /* These are always pushed on the stack by the processor. */
-    uint_t eip;
-    uint_t cs;
-    uint_t eflags;
-};
-
-/*
- * An interrupt that occurred in user mode.
- * If Is_User_Interrupt(state) returns true, then the
- * Interrupt_State object may be cast to this kind of struct.
- */
-struct User_Interrupt_State {
-    struct Interrupt_State state;
-    uint_t espUser;
-    uint_t ssUser;
-};
-
-static __inline__ bool Is_User_Interrupt(struct Interrupt_State *state)
-{
-    return (state->cs & 3) == USER_PRIVILEGE;
-}
-
-
-/*
- * The signature of an interrupt handler.
- */
-typedef void (*Interrupt_Handler)(struct Interrupt_State* state);
-
-/*
- * Perform all low- and high-level initialization of the
- * interrupt system.
- */
-void Init_Interrupts(void);
-
-/*
- * Query whether or not interrupts are currently enabled.
- */
-bool Interrupts_Enabled(void);
-
-/*
- * Block interrupts.
- */
-static __inline__ void __Disable_Interrupts(void)
-{
-    __asm__ __volatile__ ("cli");
-}
-#define Disable_Interrupts()		\
-do {					\
-    KASSERT(Interrupts_Enabled());	\
-    __Disable_Interrupts();		\
-} while (0)
-
-/*
- * Unblock interrupts.
- */
-static __inline__ void __Enable_Interrupts(void)
-{
-    __asm__ __volatile__ ("sti");
-}
-#define Enable_Interrupts()		\
-do {					\
-    KASSERT(!Interrupts_Enabled());	\
-    __Enable_Interrupts();		\
-} while (0)
-
-/*
- * Dump interrupt state struct to screen
- */
-void Dump_Interrupt_State(struct Interrupt_State* state);
-
-/**
- * Start interrupt-atomic region.
- * @return true if interrupts were enabled at beginning of call,
- * false otherwise.
- */
-static __inline__ bool Begin_Int_Atomic(void) 
-{
-    bool enabled = Interrupts_Enabled();
-    if (enabled)
-	Disable_Interrupts();
-    return enabled;
-}
-
-/**
- * End interrupt-atomic region.
- * @param iflag the value returned from the original Begin_Int_Atomic() call.
- */
-static __inline__ void End_Int_Atomic(bool iflag)
-{
-    KASSERT(!Interrupts_Enabled());
-    if (iflag) {
-	/* Interrupts were originally enabled, so turn them back on */
-	Enable_Interrupts();
-    }
-}
-
-#define EXCEPTION_DE   0   // Divide by zero
-#define EXCEPTION_DB   1   // reserved
-#define EXCEPTION_NMI  2   // NMI
-#define EXCEPTION_BP   3   // Breakpoint
-#define EXCEPTION_OF   4   // Overflow
-#define EXCEPTION_BR   5   // Bound range exceeded
-#define EXCEPTION_UD   6   // Undefined opcode
-#define EXCEPTION_NM   7   // Math coprocessor gone missing
-#define EXCEPTION_DF   8   // Double fault
-#define EXCEPTION_CO   9   // Coprocessor segment overrrun
-#define EXCEPTION_TS   10  // Invalid TSS
-#define EXCEPTION_NP   11  // Segment not present
-#define EXCEPTION_SS   12  // Stack segment fault
-#define EXCEPTION_GP   13  // General Protection fault
-#define EXCEPTION_PF   14  // Page Fault
-#define EXCEPTION_RES  15  // reserved
-#define EXCEPTION_MF   16  // Math fault
-#define EXCEPTION_AC   17  // Alignment check
-#define EXCEPTION_MC   18  // Machine check
-#define EXCEPTION_XF   19  // SIMD FP exception
-// 20+ are reserved
-
-
-
-
-#endif  /* GEEKOS_INT_H */