/* MN10300 Microcontroller core exceptions * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ #ifndef _ASM_EXCEPTIONS_H #define _ASM_EXCEPTIONS_H #include <linux/linkage.h> /* * define the breakpoint instruction opcode to use * - note that the JTAG unit steals 0xFF, so we want to avoid that if we can * (can use 0xF7) */ #define GDBSTUB_BKPT 0xFF #ifndef __ASSEMBLY__ /* * enumeration of exception codes (as extracted from TBR MSW) */ enum exception_code { EXCEP_RESET = 0x000000, /* reset */ /* MMU exceptions */ EXCEP_ITLBMISS = 0x000100, /* instruction TLB miss */ EXCEP_DTLBMISS = 0x000108, /* data TLB miss */ EXCEP_IAERROR = 0x000110, /* instruction address */ EXCEP_DAERROR = 0x000118, /* data address */ /* system exceptions */ EXCEP_TRAP = 0x000128, /* program interrupt (PI instruction) */ EXCEP_ISTEP = 0x000130, /* single step */ EXCEP_IBREAK = 0x000150, /* instruction breakpoint */ EXCEP_OBREAK = 0x000158, /* operand breakpoint */ EXCEP_PRIVINS = 0x000160, /* privileged instruction execution */ EXCEP_UNIMPINS = 0x000168, /* unimplemented instruction execution */ EXCEP_UNIMPEXINS = 0x000170, /* unimplemented extended instruction execution */ EXCEP_MEMERR = 0x000178, /* illegal memory access */ EXCEP_MISALIGN = 0x000180, /* misalignment */ EXCEP_BUSERROR = 0x000188, /* bus error */ EXCEP_ILLINSACC = 0x000190, /* illegal instruction access */ EXCEP_ILLDATACC = 0x000198, /* illegal data access */ EXCEP_IOINSACC = 0x0001a0, /* I/O space instruction access */ EXCEP_PRIVINSACC = 0x0001a8, /* privileged space instruction access */ EXCEP_PRIVDATACC = 0x0001b0, /* privileged space data access */ EXCEP_DATINSACC = 0x0001b8, /* data space instruction access */ EXCEP_DOUBLE_FAULT = 0x000200, /* double fault */ /* FPU exceptions */ EXCEP_FPU_DISABLED = 0x0001c0, /* FPU disabled */ EXCEP_FPU_UNIMPINS = 0x0001c8, /* FPU unimplemented operation */ EXCEP_FPU_OPERATION = 0x0001d0, /* FPU operation */ /* interrupts */ EXCEP_WDT = 0x000240, /* watchdog timer overflow */ EXCEP_NMI = 0x000248, /* non-maskable interrupt */ EXCEP_IRQ_LEVEL0 = 0x000280, /* level 0 maskable interrupt */ EXCEP_IRQ_LEVEL1 = 0x000288, /* level 1 maskable interrupt */ EXCEP_IRQ_LEVEL2 = 0x000290, /* level 2 maskable interrupt */ EXCEP_IRQ_LEVEL3 = 0x000298, /* level 3 maskable interrupt */ EXCEP_IRQ_LEVEL4 = 0x0002a0, /* level 4 maskable interrupt */ EXCEP_IRQ_LEVEL5 = 0x0002a8, /* level 5 maskable interrupt */ EXCEP_IRQ_LEVEL6 = 0x0002b0, /* level 6 maskable interrupt */ /* system calls */ EXCEP_SYSCALL0 = 0x000300, /* system call 0 */ EXCEP_SYSCALL1 = 0x000308, /* system call 1 */ EXCEP_SYSCALL2 = 0x000310, /* system call 2 */ EXCEP_SYSCALL3 = 0x000318, /* system call 3 */ EXCEP_SYSCALL4 = 0x000320, /* system call 4 */ EXCEP_SYSCALL5 = 0x000328, /* system call 5 */ EXCEP_SYSCALL6 = 0x000330, /* system call 6 */ EXCEP_SYSCALL7 = 0x000338, /* system call 7 */ EXCEP_SYSCALL8 = 0x000340, /* system call 8 */ EXCEP_SYSCALL9 = 0x000348, /* system call 9 */ EXCEP_SYSCALL10 = 0x000350, /* system call 10 */ EXCEP_SYSCALL11 = 0x000358, /* system call 11 */ EXCEP_SYSCALL12 = 0x000360, /* system call 12 */ EXCEP_SYSCALL13 = 0x000368, /* system call 13 */ EXCEP_SYSCALL14 = 0x000370, /* system call 14 */ EXCEP_SYSCALL15 = 0x000378, /* system call 15 */ }; extern void __set_intr_stub(enum exception_code code, void *handler); extern void set_intr_stub(enum exception_code code, void *handler); extern void set_jtag_stub(enum exception_code code, void *handler); struct pt_regs; extern asmlinkage void __common_exception(void); extern asmlinkage void itlb_miss(void); extern asmlinkage void dtlb_miss(void); extern asmlinkage void itlb_aerror(void); extern asmlinkage void dtlb_aerror(void); extern asmlinkage void raw_bus_error(void); extern asmlinkage void double_fault(void); extern asmlinkage int system_call(struct pt_regs *); extern asmlinkage void fpu_exception(struct pt_regs *, enum exception_code); extern asmlinkage void nmi(struct pt_regs *, enum exception_code); extern asmlinkage void uninitialised_exception(struct pt_regs *, enum exception_code); extern asmlinkage void irq_handler(void); extern asmlinkage void profile_handler(void); extern asmlinkage void nmi_handler(void); extern asmlinkage void misalignment(struct pt_regs *, enum exception_code); extern void die(const char *, struct pt_regs *, enum exception_code) ATTRIB_NORET; extern int die_if_no_fixup(const char *, struct pt_regs *, enum exception_code); #endif /* __ASSEMBLY__ */ #endif /* _ASM_EXCEPTIONS_H */