| /* |
| * This file is part of the libpayload project. |
| * |
| * Copyright 2013 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. |
| */ |
| |
| #ifndef _ARCH_EXCEPTION_H |
| #define _ARCH_EXCEPTION_H |
| |
| #include <stdint.h> |
| |
| void exception_dispatch(u32 idx); |
| void set_vbar(uint32_t vbar); |
| |
| struct exception_state |
| { |
| u32 regs[16]; |
| u32 cpsr; |
| } __attribute__((packed)); |
| extern struct exception_state exception_state; |
| |
| extern u32 exception_stack[]; |
| extern u32 *exception_stack_end; |
| extern struct exception_state *exception_state_ptr; |
| |
| enum { |
| EXC_UNDEF = 1, |
| EXC_SWI = 2, |
| EXC_PABORT = 3, |
| EXC_DABORT = 4, |
| EXC_IRQ = 6, |
| EXC_FIQ = 7, |
| EXC_COUNT |
| }; |
| |
| #endif |