| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| Dan Handley | 2bd4ef2 | 2014-04-09 13:14:54 +0100 | [diff] [blame] | 30 | #include <arch.h> |
| 31 | #include <context.h> |
| 32 | |
| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 33 | /* ----------------------------------------------------- |
| 34 | * Handle SMC exceptions seperately from other sync. |
| 35 | * exceptions. |
| 36 | * ----------------------------------------------------- |
| 37 | */ |
| 38 | .macro handle_sync_exception |
| Soby Mathew | 6c5192a | 2014-04-30 15:36:37 +0100 | [diff] [blame] | 39 | str x30, [sp, #CTX_GPREGS_OFFSET + CTX_GPREG_LR] |
| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 40 | mrs x30, esr_el3 |
| 41 | ubfx x30, x30, #ESR_EC_SHIFT, #ESR_EC_LENGTH |
| 42 | |
| 43 | cmp x30, #EC_AARCH32_SMC |
| 44 | b.eq smc_handler32 |
| 45 | |
| 46 | cmp x30, #EC_AARCH64_SMC |
| 47 | b.eq smc_handler64 |
| 48 | |
| 49 | /* ----------------------------------------------------- |
| 50 | * The following code handles any synchronous exception |
| Soby Mathew | 5e5c207 | 2014-04-07 15:28:55 +0100 | [diff] [blame^] | 51 | * that is not an SMC. |
| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 52 | * ----------------------------------------------------- |
| 53 | */ |
| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 54 | |
| Soby Mathew | 5e5c207 | 2014-04-07 15:28:55 +0100 | [diff] [blame^] | 55 | bl dump_state_and_die |
| Achin Gupta | 07f4e07 | 2014-02-02 12:02:23 +0000 | [diff] [blame] | 56 | .endm |
| 57 | |