root/sys/arch/sh/include/trap.h
/*      $OpenBSD: trap.h,v 1.4 2011/03/23 16:54:37 pirofti Exp $        */
/*      $NetBSD: exception.h,v 1.9 2006/07/22 21:58:29 uwe Exp $        */

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SH_TRAP_H_
#define _SH_TRAP_H_
/*
 * SH3/SH4 Exception handling.
 */
#include <sh/devreg.h>

#ifdef _KERNEL
#define SH3_TRA                 0xffffffd0      /* 32bit */
#define SH3_EXPEVT              0xffffffd4      /* 32bit */
#define SH3_INTEVT              0xffffffd8      /* 32bit */
#define SH7709_INTEVT2          0xa4000000      /* 32bit */

#define SH4_TRA                 0xff000020      /* 32bit */
#define SH4_EXPEVT              0xff000024      /* 32bit */
#define SH4_INTEVT              0xff000028      /* 32bit */

/*
 * EXPEVT
 */
/* Reset exception */
#define EXPEVT_RESET_POWER      0x000   /* Power-On reset */
#define EXPEVT_RESET_MANUAL     0x020   /* Manual reset */
#define EXPEVT_RESET_TLB_MULTI_HIT      0x140   /* SH4 only */

/* General exception */
#define EXPEVT_TLB_MISS_LD      0x040   /* TLB miss (load) */
#define EXPEVT_TLB_MISS_ST      0x060   /* TLB miss (store) */
#define EXPEVT_TLB_MOD          0x080   /* Initial page write */
#define EXPEVT_TLB_PROT_LD      0x0a0   /* Protection violation (load) */
#define EXPEVT_TLB_PROT_ST      0x0c0   /* Protection violation (store)*/
#define EXPEVT_ADDR_ERR_LD      0x0e0   /* Address error (load) */
#define EXPEVT_ADDR_ERR_ST      0x100   /* Address error (store) */
#define EXPEVT_FPU              0x120   /* FPU exception */
#define EXPEVT_TRAPA            0x160   /* Unconditional trap (TRAPA) */
#define EXPEVT_RES_INST         0x180   /* Illegal instruction */
#define EXPEVT_SLOT_INST        0x1a0   /* Illegal slot instruction */
#define EXPEVT_BREAK            0x1e0   /* User break */
#define EXPEVT_FPU_DISABLE      0x800   /* FPU disabled */
#define EXPEVT_FPU_SLOT_DISABLE 0x820   /* Slot FPU disabled */

/* Software bit */
#define EXP_USER                0x001   /* exception from user-mode */

#define _SH_TRA_SYSCALL         0x80    /* syscall trapa number */
#define _SH_TRA_CACHECTL        0x81    /* cachectl trapa number */
#define _SH_TRA_BREAK           0xc3    /* magic number for debugger */

/*
 * INTEVT/INTEVT2
 */
/* External interrupt */
#define SH_INTEVT_NMI           0x1c0

#define SH_INTEVT_TMU0_TUNI0    0x400
#define SH_INTEVT_TMU1_TUNI1    0x420
#define SH_INTEVT_TMU2_TUNI2    0x440
#define SH_INTEVT_TMU2_TICPI2   0x460

#define SH_INTEVT_SCI_ERI       0x4e0
#define SH_INTEVT_SCI_RXI       0x500
#define SH_INTEVT_SCI_TXI       0x520
#define SH_INTEVT_SCI_TEI       0x540

#define SH_INTEVT_WDT_ITI       0x560

#define SH_INTEVT_IRL9          0x320
#define SH_INTEVT_IRL11         0x360
#define SH_INTEVT_IRL13         0x3a0

#define SH4_INTEVT_SCIF_ERI     0x700
#define SH4_INTEVT_SCIF_RXI     0x720
#define SH4_INTEVT_SCIF_BRI     0x740
#define SH4_INTEVT_SCIF_TXI     0x760

#define SH7709_INTEVT2_IRQ0     0x600
#define SH7709_INTEVT2_IRQ1     0x620
#define SH7709_INTEVT2_IRQ2     0x640
#define SH7709_INTEVT2_IRQ3     0x660
#define SH7709_INTEVT2_IRQ4     0x680
#define SH7709_INTEVT2_IRQ5     0x6a0

#define SH7709_INTEVT2_PINT07   0x700
#define SH7709_INTEVT2_PINT8F   0x720

#define SH7709_INTEVT2_DEI0     0x800
#define SH7709_INTEVT2_DEI1     0x820
#define SH7709_INTEVT2_DEI2     0x840
#define SH7709_INTEVT2_DEI3     0x860

#define SH7709_INTEVT2_IRDA_ERI 0x880
#define SH7709_INTEVT2_IRDA_RXI 0x8a0
#define SH7709_INTEVT2_IRDA_BRI 0x8c0
#define SH7709_INTEVT2_IRDA_TXI 0x8e0

#define SH7709_INTEVT2_SCIF_ERI 0x900
#define SH7709_INTEVT2_SCIF_RXI 0x920
#define SH7709_INTEVT2_SCIF_BRI 0x940
#define SH7709_INTEVT2_SCIF_TXI 0x960

#define SH7709_INTEVT2_ADC      0x980

/* SH7750R, SH7751, SH7751R */
#define SH4_INTEVT_IRL0         0x240
#define SH4_INTEVT_IRL1         0x2a0
#define SH4_INTEVT_IRL2         0x300
#define SH4_INTEVT_IRL3         0x360 

#define SH4_INTEVT_IRQ0         0x200
#define SH4_INTEVT_IRQ1         0x220
#define SH4_INTEVT_IRQ2         0x240   
#define SH4_INTEVT_IRQ3         0x260
#define SH4_INTEVT_IRQ4         0x280
#define SH4_INTEVT_IRQ5         0x2a0
#define SH4_INTEVT_IRQ6         0x2c0
#define SH4_INTEVT_IRQ7         0x2e0
#define SH4_INTEVT_IRQ8         0x300
#define SH4_INTEVT_IRQ9         0x320
#define SH4_INTEVT_IRQ10        0x340
#define SH4_INTEVT_IRQ11        0x360
#define SH4_INTEVT_IRQ12        0x380
#define SH4_INTEVT_IRQ13        0x3a0
#define SH4_INTEVT_IRQ14        0x3c0
#define SH4_INTEVT_IRQ15        0x3e0

#define SH4_INTEVT_TMU3         0xb00
#define SH4_INTEVT_TMU4         0xb80

#define SH4_INTEVT_PCISERR      0xa00
#define SH4_INTEVT_PCIERR       0xae0
#define SH4_INTEVT_PCIPWDWN     0xac0
#define SH4_INTEVT_PCIPWON      0xaa0
#define SH4_INTEVT_PCIDMA0      0xa80
#define SH4_INTEVT_PCIDMA1      0xa60
#define SH4_INTEVT_PCIDMA2      0xa40
#define SH4_INTEVT_PCIDMA3      0xa20

#ifndef _LOCORE

#if defined(SH3) && defined(SH4)
extern uint32_t __sh_TRA;
extern uint32_t __sh_EXPEVT;
extern uint32_t __sh_INTEVT;
#endif /* SH3 && SH4 */

extern const char * const exp_type[];
extern const int exp_types;

#endif /* !_LOCORE */

#endif /* _KERNEL */
#endif /* !_SH_TRAP_H_ */