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