diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/traps.h')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/traps.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/traps.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/traps.h new file mode 100644 index 000000000..9edcca9b5 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/traps.h @@ -0,0 +1,55 @@ +/* + * arch/ubicom32/include/asm/traps.h + * Trap related definitions for Ubicom32 architecture. + * + * (C) Copyright 2009, Ubicom, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port is free software: you can redistribute + * it and/or modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 2 of the + * License, or (at your option) any later version. + * + * The Ubicom32 Linux Kernel Port is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ + +#ifndef _ASM_UBICOM32_TRAPS_H +#define _ASM_UBICOM32_TRAPS_H + +/* + * Trap causes passed from ultra to Host OS + */ +#define TRAP_CAUSE_TOTAL 13 +#define TRAP_CAUSE_DST_RANGE_ERR 12 +#define TRAP_CAUSE_SRC1_RANGE_ERR 11 +#define TRAP_CAUSE_I_RANGE_ERR 10 +#define TRAP_CAUSE_DCAPT 9 +#define TRAP_CAUSE_DST_SERROR 8 +#define TRAP_CAUSE_SRC1_SERROR 7 +#define TRAP_CAUSE_DST_MISALIGNED 6 +#define TRAP_CAUSE_SRC1_MISALIGNED 5 +#define TRAP_CAUSE_DST_DECODE_ERR 4 +#define TRAP_CAUSE_SRC1_DECODE_ERR 3 +#define TRAP_CAUSE_ILLEGAL_INST 2 +#define TRAP_CAUSE_I_SERROR 1 +#define TRAP_CAUSE_I_DECODE_ERR 0 + +extern void trap_handler(int irq, struct pt_regs *regs); +extern void trap_init_interrupt(void); +extern void unaligned_emulate(unsigned int thread); +extern int unaligned_only(unsigned int cause); + +#endif /* _ASM_UBICOM32_TRAPS_H */ |