| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2016 Travis Geiselbrecht |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files |
| 6 | * (the "Software"), to deal in the Software without restriction, |
| 7 | * including without limitation the rights to use, copy, modify, merge, |
| 8 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 9 | * and to permit persons to whom the Software is furnished to do so, |
| 10 | * subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | #include <debug.h> |
| 24 | #include <err.h> |
| 25 | #include <compiler.h> |
| 26 | #include <stdio.h> |
| 27 | #include <platform.h> |
| 28 | #include <platform/debug.h> |
| 29 | #include <arch/ops.h> |
| 30 | #include <arch/arm/cm.h> |
| 31 | |
| 32 | void platform_halt(platform_halt_action suggested_action, |
| 33 | platform_halt_reason reason) |
| 34 | { |
| 35 | #if ENABLE_PANIC_SHELL |
| 36 | if (reason == HALT_REASON_SW_PANIC) { |
| 37 | dprintf(ALWAYS, "CRASH: starting debug shell... (reason = %d)\n", reason); |
| 38 | arch_disable_ints(); |
| 39 | panic_shell_start(); |
| 40 | } |
| 41 | #endif // ENABLE_PANIC_SHELL |
| 42 | |
| 43 | switch (suggested_action) { |
| 44 | default: |
| 45 | case HALT_ACTION_SHUTDOWN: |
| 46 | case HALT_ACTION_HALT: |
| 47 | dprintf(ALWAYS, "HALT: spinning forever... (reason = %d)\n", reason); |
| 48 | arch_disable_ints(); |
| 49 | for(;;) |
| 50 | arch_idle(); |
| 51 | break; |
| 52 | case HALT_ACTION_REBOOT: |
| 53 | dprintf(INFO, "REBOOT\n"); |
| 54 | arch_disable_ints(); |
| 55 | for (;;) { |
| 56 | NVIC_SystemReset(); |
| 57 | } |
| 58 | break; |
| 59 | } |
| 60 | |
| 61 | dprintf(ALWAYS, "HALT: spinning forever... (reason = %d)\n", reason); |
| 62 | arch_disable_ints(); |
| 63 | for(;;); |
| 64 | } |
| 65 | |