Chris Zankel | 1387dab | 2016-08-10 18:36:44 +0300 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2008 - 2013 Tensilica Inc. |
| 3 | * (C) Copyright 2014 - 2016 Cadence Design Systems Inc. |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Exception handling. |
| 10 | * We currently don't handle any exception and force a reset. |
| 11 | * (Note that alloca is a special case and handled in start.S) |
| 12 | */ |
| 13 | |
| 14 | #include <common.h> |
| 15 | #include <command.h> |
| 16 | #include <asm/string.h> |
| 17 | #include <asm/regs.h> |
| 18 | |
| 19 | typedef void (*handler_t)(struct pt_regs *); |
| 20 | |
| 21 | void unhandled_exception(struct pt_regs *regs) |
| 22 | { |
| 23 | printf("Unhandled Exception: EXCCAUSE = %ld, EXCVADDR = %lx, pc = %lx\n", |
| 24 | regs->exccause, regs->excvaddr, regs->pc); |
| 25 | panic("*** PANIC\n"); |
| 26 | } |
| 27 | |
| 28 | handler_t exc_table[EXCCAUSE_LAST] = { |
| 29 | [0 ... EXCCAUSE_LAST-1] = unhandled_exception, |
| 30 | }; |
| 31 | |
| 32 | int interrupt_init(void) |
| 33 | { |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | void enable_interrupts(void) |
| 38 | { |
| 39 | } |
| 40 | |
| 41 | int disable_interrupts(void) |
| 42 | { |
| 43 | return 0; |
| 44 | } |