| /* |
| * Copyright (c) 2018, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Intel Corporation nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. |
| * |
| * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
| */ |
| |
| #ifndef __INCLUDE_SOF_IPC_PANIC__ |
| #define __INCLUDE_SOF_IPC_PANIC__ |
| |
| #include <sof/sof.h> |
| #include <sof/mailbox.h> |
| #include <sof/interrupt.h> |
| #include <sof/trace.h> |
| #include <platform/platform.h> |
| #include <uapi/ipc.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| /* panic and rewind stack */ |
| static inline void panic_rewind(uint32_t p, uint32_t stack_rewind_frames) |
| { |
| void *ext_offset; |
| size_t count; |
| |
| /* disable all IRQs */ |
| interrupt_global_disable(); |
| |
| /* dump DSP core registers */ |
| ext_offset = arch_dump_regs(); |
| count = MAILBOX_EXCEPTION_SIZE - |
| (size_t)(ext_offset - mailbox_get_exception_base()); |
| |
| /* dump stack frames */ |
| p = dump_stack(p, ext_offset, stack_rewind_frames, |
| count * sizeof(uint32_t)); |
| |
| /* panic - send IPC oops message to host */ |
| platform_panic(p); |
| |
| /* flush last trace messages */ |
| trace_flush(); |
| |
| /* and loop forever */ |
| while (1) {}; |
| } |
| |
| static inline void panic(uint32_t p) |
| { |
| panic_rewind(p, 0); |
| } |
| |
| #endif |