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/*
* linux/include/asm/traps.h
*
* Copyright (C) 1993 Hamish Macdonald
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#ifndef _M68KNOMMU_TRAPS_H
#define _M68KNOMMU_TRAPS_H
#ifndef __ASSEMBLY__
typedef void (*e_vector)(void);
extern e_vector vectors[];
extern void init_vectors(void);
extern void enable_vector(unsigned int irq);
extern void disable_vector(unsigned int irq);
extern void ack_vector(unsigned int irq);
#endif
#define VEC_BUSERR (2)
#define VEC_ADDRERR (3)
#define VEC_ILLEGAL (4)
#define VEC_ZERODIV (5)
#define VEC_CHK (6)
#define VEC_TRAP (7)
#define VEC_PRIV (8)
#define VEC_TRACE (9)
#define VEC_LINE10 (10)
#define VEC_LINE11 (11)
#define VEC_RESV1 (12)
#define VEC_COPROC (13)
#define VEC_FORMAT (14)
#define VEC_UNINT (15)
#define VEC_SPUR (24)
#define VEC_INT1 (25)
#define VEC_INT2 (26)
#define VEC_INT3 (27)
#define VEC_INT4 (28)
#define VEC_INT5 (29)
#define VEC_INT6 (30)
#define VEC_INT7 (31)
#define VEC_SYS (32)
#define VEC_TRAP1 (33)
#define VEC_TRAP2 (34)
#define VEC_TRAP3 (35)
#define VEC_TRAP4 (36)
#define VEC_TRAP5 (37)
#define VEC_TRAP6 (38)
#define VEC_TRAP7 (39)
#define VEC_TRAP8 (40)
#define VEC_TRAP9 (41)
#define VEC_TRAP10 (42)
#define VEC_TRAP11 (43)
#define VEC_TRAP12 (44)
#define VEC_TRAP13 (45)
#define VEC_TRAP14 (46)
#define VEC_TRAP15 (47)
#define VEC_FPBRUC (48)
#define VEC_FPIR (49)
#define VEC_FPDIVZ (50)
#define VEC_FPUNDER (51)
#define VEC_FPOE (52)
#define VEC_FPOVER (53)
#define VEC_FPNAN (54)
#define VEC_FPUNSUP (55)
#define VEC_UNIMPEA (60)
#define VEC_UNIMPII (61)
#define VEC_USER (64)
#define VECOFF(vec) ((vec)<<2)
#ifndef __ASSEMBLY__
/* Status register bits */
#define PS_T (0x8000)
#define PS_S (0x2000)
#define PS_M (0x1000)
#define PS_C (0x0001)
/* structure for stack frames */
struct frame {
struct pt_regs ptregs;
union {
struct {
unsigned long iaddr; /* instruction address */
} fmt2;
struct {
unsigned long effaddr; /* effective address */
} fmt3;
struct {
unsigned long effaddr; /* effective address */
unsigned long pc; /* pc of faulted instr */
} fmt4;
struct {
unsigned long effaddr; /* effective address */
unsigned short ssw; /* special status word */
unsigned short wb3s; /* write back 3 status */
unsigned short wb2s; /* write back 2 status */
unsigned short wb1s; /* write back 1 status */
unsigned long faddr; /* fault address */
unsigned long wb3a; /* write back 3 address */
unsigned long wb3d; /* write back 3 data */
unsigned long wb2a; /* write back 2 address */
unsigned long wb2d; /* write back 2 data */
unsigned long wb1a; /* write back 1 address */
unsigned long wb1dpd0; /* write back 1 data/push data 0*/
unsigned long pd1; /* push data 1*/
unsigned long pd2; /* push data 2*/
unsigned long pd3; /* push data 3*/
} fmt7;
struct {
unsigned long iaddr; /* instruction address */
unsigned short int1[4]; /* internal registers */
} fmt9;
struct {
unsigned short int1;
unsigned short ssw; /* special status word */
unsigned short isc; /* instruction stage c */
unsigned short isb; /* instruction stage b */
unsigned long daddr; /* data cycle fault address */
unsigned short int2[2];
unsigned long dobuf; /* data cycle output buffer */
unsigned short int3[2];
} fmta;
struct {
unsigned short int1;
unsigned short ssw; /* special status word */
unsigned short isc; /* instruction stage c */
unsigned short isb; /* instruction stage b */
unsigned long daddr; /* data cycle fault address */
unsigned short int2[2];
unsigned long dobuf; /* data cycle output buffer */
unsigned short int3[4];
unsigned long baddr; /* stage B address */
unsigned short int4[2];
unsigned long dibuf; /* data cycle input buffer */
unsigned short int5[3];
unsigned ver : 4; /* stack frame version # */
unsigned int6:12;
unsigned short int7[18];
} fmtb;
} un;
};
#endif /* __ASSEMBLY__ */
#endif /* _M68KNOMMU_TRAPS_H */
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