154 lines
6.5 KiB
C
154 lines
6.5 KiB
C
/* $NetBSD: trap.h,v 1.5 2003/01/21 19:46:49 martin Exp $ */
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/*
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* Copyright (c) 1996-1999 Eduardo Horvath
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef _MACHINE_TRAP_H
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#define _MACHINE_TRAP_H
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/* trap vec (pri) description */
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/* 0x000 unused */
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#define T_POR 0x001 /* (0) power on reset */
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#define T_WDR 0x002 /* (1) watchdog reset */
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#define T_XIR 0x003 /* (1) externally initiated reset */
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#define T_SIR 0x004 /* (1) software initiated reset */
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#define T_RED_EXCEPTION 0x005 /* (1) RED state exception */
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/* 0x006 unused */
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/* 0x007 unused */
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#define T_INST_EXCEPT 0x008 /* (5) instruction access exception */
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#define T_TEXTFAULT 0x009 /* (2) ? Text fault */
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#define T_INST_ERROR 0x00a /* (3) instruction access error */
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/* 0x00b unused */
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/* through 0x00f unused */
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#define T_ILLINST 0x010 /* (7) illegal instruction */
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#define T_PRIVINST 0x011 /* (6) privileged opcode */
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/* 0x012 unused */
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/* through 0x01f unused */
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#define T_FPDISABLED 0x020 /* (8) fpu disabled */
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#define T_FP_IEEE_754 0x021 /* (11) ieee 754 exception */
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#define T_FP_OTHER 0x022 /* (11) other fp exception */
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#define T_TAGOF 0x023 /* (14) tag overflow */
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#define T_CLEAN_WINDOW 0x024 /* (10) clean window exception */
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/* through 0x027 unused */
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#define T_IDIV0 0x028 /* (15) division by 0 */
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/* 0x02a unused */
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/* through 0x02f unused */
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#define T_DATAFAULT 0x030 /* (12) address fault during data fetch */
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/* 0x031 unused */
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#define T_DATA_ERROR 0x032
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#define T_DATA_PROT 0x033 /* Data protection ??? */
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#define T_ALIGN 0x034 /* (10) address not properly aligned */
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#define T_LDDF_ALIGN 0x035 /* (10) LDDF address not properly aligned */
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#define T_STDF_ALIGN 0x036 /* (10) STDF address not properly aligned */
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#define T_PRIVACT 0x037 /* (11) privileged action */
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/* 0x038 unused */
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/* through 0x03F unused */
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#define T_ASYNC_ERROR 0x040 /* ???? */
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#define T_L1INT 0x041 /* (31) level 1 interrupt */
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#define T_L2INT 0x042 /* (30) level 2 interrupt */
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#define T_L3INT 0x043 /* (29) level 3 interrupt */
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#define T_L4INT 0x044 /* (28) level 4 interrupt */
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#define T_L5INT 0x045 /* (27) level 5 interrupt */
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#define T_L6INT 0x046 /* (26) level 6 interrupt */
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#define T_L7INT 0x047 /* (25) level 7 interrupt */
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#define T_L8INT 0x048 /* (24) level 8 interrupt */
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#define T_L9INT 0x049 /* (23) level 9 interrupt */
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#define T_L10INT 0x04a /* (22) level 10 interrupt */
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#define T_L11INT 0x04b /* (21) level 11 interrupt */
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#define T_L12INT 0x04c /* (20) level 12 interrupt */
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#define T_L13INT 0x04d /* (19) level 13 interrupt */
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#define T_L14INT 0x04e /* (18) level 14 interrupt */
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#define T_L15INT 0x04f /* (17) level 15 interrupt */
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/* 0x050 unused */
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/* through 0x05F unused */
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#define T_INTVEC 0x060 /* (16) interrupt vector [Interrupt Global Regs]*/
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#define T_PA_WATCHPT 0x061 /* (12) Physical addr data watchpoint */
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#define T_VA_WATCHPT 0x062 /* (11) Virtual addr data watchpoint */
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#define T_ECCERR 0x063 /* (33) ECC correction error */
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#define T_FIMMU_MISS 0x064 /* (2) fast instruction access MMU miss */
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/* through 0x067 unused */
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#define T_FDMMU_MISS 0x068 /* (2) fast data access MMU miss */
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/* through 0x06b unused */
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#define T_FDMMU_PROT 0x06C /* (2) fast data access protection */
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/* through 0x06F unused */
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/* 0x070...0x07f implementation dependent exceptions */
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#define T_SPILL_N_NORM 0x080 /* (9) spill (n=0..7) normal */
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/* through 0x09F unused */
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#define T_SPILL_N_OTHER 0x0a0 /* (9) spill (n=0..7) other */
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/* through 0x0bF unused */
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#define T_FILL_N_NORM 0x0c0 /* (9) fill (n=0..7) normal */
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/* through 0x0dF unused */
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#define T_FILL_N_OTHER 0x0e0 /* (9) fill (n=0..7) other */
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/* through 0x0fF unused */
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/* beginning of `user' vectors (from trap instructions) - all priority 16 */
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#define T_SUN_SYSCALL 0x100 /* system call */
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#define T_BREAKPOINT 0x101 /* breakpoint `instruction' */
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#define T_DIV0 0x102 /* division routine was handed 0 */
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#define T_FLUSHWIN 0x103 /* flush windows */
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#define T_CLEANWIN 0x104 /* provide clean windows */
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#define T_RANGECHECK 0x105 /* ? */
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#define T_FIXALIGN 0x106 /* fix up unaligned accesses */
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#define T_INTOF 0x107 /* integer overflow ? */
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#define T_SVR4_SYSCALL 0x108 /* SVR4 system call */
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#define T_BSD_SYSCALL 0x109 /* BSD system call */
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#define T_KGDB_EXEC 0x10a /* for kernel gdb */
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/* 0x10b..0x1ff are currently unallocated, except the following */
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#define T_SVR4_GETCC 0x120
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#define T_SVR4_SETCC 0x121
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#define T_SVR4_GETPSR 0x122
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#define T_SVR4_SETPSR 0x123
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#define T_SVR4_GETHRTIME 0x124
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#define T_SVR4_GETHRVTIME 0x125
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#define T_SVR4_GETHRESTIME 0x127
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#define T_GETCC 0x132
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#define T_SETCC 0x133
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#define T_SVID_SYSCALL 0x164
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#define T_SPARC_INTL_SYSCALL 0x165
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#define T_OS_VENDOR_SYSCALL 0x166
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#define T_HW_OEM_SYSCALL 0x167
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#define T_RTF_DEF_TRAP 0x168
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#ifdef _KERNEL /* pseudo traps for locore.s */
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#define T_RWRET -1 /* need first user window for trap return */
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#define T_AST -2 /* no-op, just needed reschedule or profile */
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#endif
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/* flags to system call (flags in %g1 along with syscall number) */
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#define SYSCALL_G2RFLAG 0x400 /* on success, return to %g2 rather than npc */
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#define SYSCALL_G7RFLAG 0x800 /* use %g7 as above (deprecated) */
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/*
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* `software trap' macros to keep people happy (sparc v8 manual says not
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* to set the upper bits). Correct mask is 0xff for v9, but all values
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* here are small enough - so keep it the same as the sparc port.
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*/
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#define ST_BREAKPOINT (T_BREAKPOINT & 0x7f)
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#define ST_DIV0 (T_DIV0 & 0x7f)
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#define ST_FLUSHWIN (T_FLUSHWIN & 0x7f)
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#define ST_SYSCALL (T_SUN_SYSCALL & 0x7f)
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#endif /* _MACHINE_TRAP_H_ */
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