/* * 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 _M68K_TRAPS_H #define _M68K_TRAPS_H #ifndef __ASSEMBLY__ #include <linux/linkage.h> #include <asm/ptrace.h> typedef void (*e_vector)(void); extern e_vector vectors[]; extern e_vector *_ramvec; asmlinkage void auto_inthandler(void); asmlinkage void user_inthandler(void); asmlinkage void bad_inthandler(void); #endif #define VEC_RESETSP (0) #define VEC_RESETPC (1) #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_RESV12 (12) #define VEC_COPROC (13) #define VEC_FORMAT (14) #define VEC_UNINT (15) #define VEC_RESV16 (16) #define VEC_RESV17 (17) #define VEC_RESV18 (18) #define VEC_RESV19 (19) #define VEC_RESV20 (20) #define VEC_RESV21 (21) #define VEC_RESV22 (22) #define VEC_RESV23 (23) #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_MMUCFG (56) #define VEC_MMUILL (57) #define VEC_MMUACC (58) #define VEC_RESV59 (59) #define VEC_UNIMPEA (60) #define VEC_UNIMPII (61) #define VEC_RESV62 (62) #define VEC_RESV63 (63) #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) /* bits for 68020/68030 special status word */ #define FC (0x8000) #define FB (0x4000) #define RC (0x2000) #define RB (0x1000) #define DF (0x0100) #define RM (0x0080) #define RW (0x0040) #define SZ (0x0030) #define DFC (0x0007) /* bits for 68030 MMU status register (mmusr,psr) */ #define MMU_B (0x8000) /* bus error */ #define MMU_L (0x4000) /* limit violation */ #define MMU_S (0x2000) /* supervisor violation */ #define MMU_WP (0x0800) /* write-protected */ #define MMU_I (0x0400) /* invalid descriptor */ #define MMU_M (0x0200) /* ATC entry modified */ #define MMU_T (0x0040) /* transparent translation */ #define MMU_NUM (0x0007) /* number of levels traversed */ /* bits for 68040 special status word */ #define CP_040 (0x8000) #define CU_040 (0x4000) #define CT_040 (0x2000) #define CM_040 (0x1000) #define MA_040 (0x0800) #define ATC_040 (0x0400) #define LK_040 (0x0200) #define RW_040 (0x0100) #define SIZ_040 (0x0060) #define TT_040 (0x0018) #define TM_040 (0x0007) /* bits for 68040 write back status word */ #define WBV_040 (0x80) #define WBSIZ_040 (0x60) #define WBBYT_040 (0x20) #define WBWRD_040 (0x40) #define WBLNG_040 (0x00) #define WBTT_040 (0x18) #define WBTM_040 (0x07) /* bus access size codes */ #define BA_SIZE_BYTE (0x20) #define BA_SIZE_WORD (0x40) #define BA_SIZE_LONG (0x00) #define BA_SIZE_LINE (0x60) /* bus access transfer type codes */ #define BA_TT_MOVE16 (0x08) /* bits for 68040 MMU status register (mmusr) */ #define MMU_B_040 (0x0800) #define MMU_G_040 (0x0400) #define MMU_S_040 (0x0080) #define MMU_CM_040 (0x0060) #define MMU_M_040 (0x0010) #define MMU_WP_040 (0x0004) #define MMU_T_040 (0x0002) #define MMU_R_040 (0x0001) /* bits in the 68060 fault status long word (FSLW) */ #define MMU060_MA (0x08000000) /* misaligned */ #define MMU060_LK (0x02000000) /* locked transfer */ #define MMU060_RW (0x01800000) /* read/write */ # define MMU060_RW_W (0x00800000) /* write */ # define MMU060_RW_R (0x01000000) /* read */ # define MMU060_RW_RMW (0x01800000) /* read/modify/write */ # define MMU060_W (0x00800000) /* general write, includes rmw */ #define MMU060_SIZ (0x00600000) /* transfer size */ #define MMU060_TT (0x00180000) /* transfer type (TT) bits */ #define MMU060_TM (0x00070000) /* transfer modifier (TM) bits */ #define MMU060_IO (0x00008000) /* instruction or operand */ #define MMU060_PBE (0x00004000) /* push buffer bus error */ #define MMU060_SBE (0x00002000) /* store buffer bus error */ #define MMU060_PTA (0x00001000) /* pointer A fault */ #define MMU060_PTB (0x00000800) /* pointer B fault */ #define MMU060_IL (0x00000400) /* double indirect descr fault */ #define MMU060_PF (0x00000200) /* page fault (invalid descr) */ #define MMU060_SP (0x00000100) /* supervisor protection */ #define MMU060_WP (0x00000080) /* write protection */ #define MMU060_TWE (0x00000040) /* bus error on table search */ #define MMU060_RE (0x00000020) /* bus error on read */ #define MMU060_WE (0x00000010) /* bus error on write */ #define MMU060_TTR (0x00000008) /* error caused by TTR translation */ #define MMU060_BPE (0x00000004) /* branch prediction error */ #define MMU060_SEE (0x00000001) /* software emulated error */ /* cases of missing or invalid descriptors */ #define MMU060_DESC_ERR (MMU060_PTA | MMU060_PTB | \ MMU060_IL | MMU060_PF) /* bits that indicate real errors */ #define MMU060_ERR_BITS (MMU060_PBE | MMU060_SBE | MMU060_DESC_ERR | MMU060_SP | \ MMU060_WP | MMU060_TWE | MMU060_RE | MMU060_WE) /* 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 /* _M68K_TRAPS_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Greg Ungerer | 975 | 99.39% | 2 | 66.67% |
| Sam Ravnborg | 6 | 0.61% | 1 | 33.33% |
| Total | 981 | 100.00% | 3 | 100.00% |