/* $OpenBSD: trap.h,v 1.5 2013/04/02 13:24:57 kettenis Exp $ */ /* $NetBSD: trap.h,v 1.4 1999/06/07 05:28:04 eeh Exp $ */ /* * Copyright (c) 1996-1999 Eduardo Horvath * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _MACHINE_TRAP_H #define _MACHINE_TRAP_H /* trap vec (pri) description */ /* 0x000 unused */ #define T_POR 0x001 /* (0) power on reset */ #define T_WDR 0x002 /* (1) watchdog reset */ #define T_XIR 0x003 /* (1) externally initiated reset */ #define T_SIR 0x004 /* (1) software initiated reset */ #define T_RED_EXCEPTION 0x005 /* (1) RED state exception */ /* 0x006 unused */ /* 0x007 unused */ #define T_INST_EXCEPT 0x008 /* (5) instruction access exception */ #define T_TEXTFAULT 0x009 /* (2) ? Text fault */ #define T_INST_ERROR 0x00a /* (3) instruction access error */ /* 0x00b unused */ /* through 0x00f unused */ #define T_ILLINST 0x010 /* (7) illegal instruction */ #define T_PRIVINST 0x011 /* (6) privileged opcode */ #define T_UNIMP_LDD 0x012 /* (6) unimplemented LDD */ #define T_UNIMP_STD 0x013 /* (6) unimplemented STD */ /* 0x014 unused */ /* through 0x01f unused */ #define T_FPDISABLED 0x020 /* (8) fpu disabled */ #define T_FP_IEEE_754 0x021 /* (11) ieee 754 exception */ #define T_FP_OTHER 0x022 /* (11) other fp exception */ #define T_TAGOF 0x023 /* (14) tag overflow */ #define T_CLEAN_WINDOW 0x024 /* (10) clean window exception */ /* 0x025 unused */ /* through 0x027 unused */ #define T_DIV0 0x028 /* (15) division routine was handed 0 */ #define T_PROCERR 0x029 /* (4) internal processor error */ /* 0x02a unused */ /* through 0x02f unused */ #define T_DATAFAULT 0x030 /* (12) address fault during data fetch */ #define T_DATA_MMU_MISS 0x031 /* (12) data access MMU miss */ #define T_DATA_ERROR 0x032 /* (12) data access error */ #define T_DATA_PROT 0x033 /* (12) Data protection ??? */ #define T_ALIGN 0x034 /* (10) address not properly aligned */ #define T_LDDF_ALIGN 0x035 /* (10) LDDF address not properly aligned */ #define T_STDF_ALIGN 0x036 /* (10) STDF address not properly aligned */ #define T_PRIVACT 0x037 /* (11) privileged action */ #define T_LDQF_ALIGN 0x038 /* (10) LDQF address not properly aligned */ #define T_STQF_ALIGN 0x039 /* (10) STQF address not properly aligned */ /* 0x03a unused */ /* through 0x03f unused */ #define T_ASYNC_ERROR 0x040 /* (2) ???? */ #define T_L1INT 0x041 /* (31) level 1 interrupt */ #define T_L2INT 0x042 /* (30) level 2 interrupt */ #define T_L3INT 0x043 /* (29) level 3 interrupt */ #define T_L4INT 0x044 /* (28) level 4 interrupt */ #define T_L5INT 0x045 /* (27) level 5 interrupt */ #define T_L6INT 0x046 /* (26) level 6 interrupt */ #define T_L7INT 0x047 /* (25) level 7 interrupt */ #define T_L8INT 0x048 /* (24) level 8 interrupt */ #define T_L9INT 0x049 /* (23) level 9 interrupt */ #define T_L10INT 0x04a /* (22) level 10 interrupt */ #define T_L11INT 0x04b /* (21) level 11 interrupt */ #define T_L12INT 0x04c /* (20) level 12 interrupt */ #define T_L13INT 0x04d /* (19) level 13 interrupt */ #define T_L14INT 0x04e /* (18) level 14 interrupt */ #define T_L15INT 0x04f /* (17) level 15 interrupt */ /* 0x050 unused */ /* through 0x05f unused */ #define T_INTVEC 0x060 /* (16) interrupt vector [Interrupt Global Regs]*/ #define T_PA_WATCHPT 0x061 /* (12) Physical addr data watchpoint */ #define T_VA_WATCHPT 0x062 /* (11) Virtual addr data watchpoint */ #define T_ECCERR 0x063 /* (33) ECC correction error */ #define T_FIMMU_MISS 0x064 /* (2) fast instruction access MMU miss */ /* through 0x067 unused */ #define T_FDMMU_MISS 0x068 /* (2) fast data access MMU miss */ /* through 0x06b unused */ #define T_FDMMU_PROT 0x06c /* (2) fast data access protection */ /* through 0x06f unused */ /* 0x070...0x07f implementation dependent exceptions */ #define T_SPILL_N_NORM 0x080 /* (9) spill (n=0..7) normal */ /* through 0x09f unused */ #define T_SPILL_N_OTHER 0x0a0 /* (9) spill (n=0..7) other */ /* through 0x0bf unused */ #define T_FILL_N_NORM 0x0c0 /* (9) fill (n=0..7) normal */ /* through 0x0df unused */ #define T_FILL_N_OTHER 0x0e0 /* (9) fill (n=0..7) other */ /* through 0x0ff unused */ /* beginning of `user' vectors (from trap instructions) - all priority 16 */ #define T_SUN_SYSCALL 0x100 /* system call */ #define T_BREAKPOINT 0x101 /* breakpoint `instruction' */ #define T_UDIV0 0x102 /* division routine was handed 0 */ #define T_FLUSHWIN 0x103 /* flush windows */ #define T_CLEANWIN 0x104 /* provide clean windows */ #define T_RANGECHECK 0x105 /* ? */ #define T_FIXALIGN 0x106 /* fix up unaligned accesses */ #define T_INTOF 0x107 /* integer overflow ? */ #define T_SVR4_SYSCALL 0x108 /* SVR4 system call */ #define T_BSD_SYSCALL 0x109 /* BSD system call */ #define T_KGDB_EXEC 0x10a /* for kernel gdb */ /* 0x10b..0x1ff are currently unallocated, except the following */ #define T_SVR4_GETCC 0x120 #define T_SVR4_SETCC 0x121 #define T_SVR4_GETPSR 0x122 #define T_SVR4_SETPSR 0x123 #define T_SVR4_GETHRTIME 0x124 #define T_SVR4_GETHRVTIME 0x125 #define T_SVR4_GETHRESTIME 0x127 #define T_GETCC 0x132 #define T_SETCC 0x133 #define T_SVID_SYSCALL 0x164 #define T_SPARC_INTL_SYSCALL 0x165 #define T_OS_VENDOR_SYSCALL 0x166 #define T_HW_OEM_SYSCALL 0x167 #define T_RTF_DEF_TRAP 0x168 #define T_MON_BREAKPOINT 0x17f #ifdef _KERNEL /* pseudo traps for locore.s */ #define T_RWRET -1 /* need first user window for trap return */ #define T_AST -2 /* no-op, just needed reschedule or profile */ #endif /* flags to system call (flags in %g1 along with syscall number) */ #define SYSCALL_G2RFLAG 0x400 /* on success, return to %g2 rather than npc */ /* * `software trap' macros to keep people happy (sparc v8 manual says not * to set the upper bits). */ #define ST_BREAKPOINT (T_BREAKPOINT & 0x7f) #define ST_DIV0 (T_DIV0 & 0x7f) #define ST_FLUSHWIN (T_FLUSHWIN & 0x7f) #define ST_SYSCALL (T_SUN_SYSCALL & 0x7f) #endif /* _MACHINE_TRAP_H_ */
