-/* $NetBSD: trap.h,v 1.10 1995/12/13 18:54:03 ragge Exp $ */
+/* $NetBSD: trap.h,v 1.11 1996/01/28 12:30:13 ragge Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
#define T_PTELEN 8 /* Page table length exceeded */
#define T_TRANSFLT 9 /* translation fault */
#define T_TRCTRAP 10 /* trace trap */
-/* #define T_COMPAT 11 /* compatibility mode fault on VAX */
+#define T_COMPAT 11 /* compatibility mode fault on VAX */
#define T_ACCFLT 12 /* Access violation fault */
-/* #define T_TABLEFLT 13 /* page table fault */
-/* #define T_ALIGNFLT 14 /* alignment fault */
#define T_KSPNOTVAL 15 /* kernel stack pointer not valid */
-/* #define T_BUSERR 16 /* bus error */
#define T_KDBTRAP 17 /* kernel debugger trap */
-/* #define T_DIVIDE 18 /* integer divide fault */
-/* #define T_NMI 19 /* non-maskable trap */
-/* #define T_OFLOW 20 /* overflow trap */
-/* #define T_BOUND 21 /* bound instruction fault */
-/* #define T_DNA 22 /* device not available fault */
-/* #define T_DOUBLEFLT 23 /* double fault */
-/* #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
-/* #define T_TSSFLT 25 /* invalid tss fault */
-/* #define T_SEGNPFLT 26 /* segment not present fault */
-/* #define T_STKFLT 27 /* stack fault */
-/* #define T_RESERVED 28 /* reserved fault base */
-
/* These gets ORed with the word for page handling routines */
#define T_WRITE 0x80
#define T_PTEFETCH 0x40
#define T_USER 0x100
#ifndef ASSEMBLER
-/* If we want to alter USP in some syscall, we do it with mtpr */
struct trapframe {
- int fp; /* Stack frame pointer */
- int ap; /* Argument pointer on user stack */
- int r0; /* General registers saved upon trap/syscall */
- int r1;
- int r2;
- int r3;
- int r4;
- int r5;
- int r6;
- int r7;
- int r8;
- int r9;
- int r10;
- int r11;
- int trap; /* Type of trap */
- u_int code; /* Trap specific code */
- u_int pc; /* User pc */
- u_int psl; /* User psl */
+ unsigned fp; /* Stack frame pointer */
+ unsigned ap; /* Argument pointer on user stack */
+ unsigned sp; /* Stack pointer */
+ unsigned r0; /* General registers saved upon trap/syscall */
+ unsigned r1;
+ unsigned r2;
+ unsigned r3;
+ unsigned r4;
+ unsigned r5;
+ unsigned r6;
+ unsigned r7;
+ unsigned r8;
+ unsigned r9;
+ unsigned r10;
+ unsigned r11;
+ unsigned trap; /* Type of trap */
+ unsigned code; /* Trap specific code */
+ unsigned pc; /* User pc */
+ unsigned psl; /* User psl */
};
/*
* This struct is used when setting up interrupt vectors dynamically.
* It pushes a longword between 0-63 on the stack; this number is
* normally used as the ctlr number on devices. This use effectively
- * limits the number of interruptable ctlrs on the unibus to 64.
+ * limits the number of interruptable ctlrs on one unibus to 64.
*/
struct ivec_dsp {
char pushr; /* pushr */