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https://github.com/Telecominfraproject/OpenCellular.git
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8d29b3dae7
stm32f0 has 20 bytes (not 20 words) of VBAT-backed RAM. Make more efficient use of our limited storage to prevent trying to use storage that doesn't exist. BUG=b:71333840 BRANCH=None TEST=Negotiate PD, run "reboot" on scarlet EC console, verify reset path is taken in pd_partner_port_reset(). Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: Ie4c303b74a1b82b84ec971cdcc19c2b21a0032e7 Reviewed-on: https://chromium-review.googlesource.com/885461 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Watchdog common code */
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#include "common.h"
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#include "panic.h"
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#include "task.h"
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#include "timer.h"
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#include "watchdog.h"
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void watchdog_trace(uint32_t excep_lr, uint32_t excep_sp)
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{
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uint32_t psp;
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uint32_t *stack;
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asm("mrs %0, psp" : "=r"(psp));
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if ((excep_lr & 0xf) == 1) {
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/* we were already in exception context */
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stack = (uint32_t *)excep_sp;
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} else {
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/* we were in task context */
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stack = (uint32_t *)psp;
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}
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/* Log PC. If we were in task context, log task id too. */
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#ifdef CONFIG_SOFTWARE_PANIC
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panic_set_reason(PANIC_SW_WATCHDOG, stack[6],
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(excep_lr & 0xf) == 1 ? 0xff : task_get_current());
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#endif
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panic_printf("### WATCHDOG PC=%08x / LR=%08x / pSP=%08x ",
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stack[6], stack[5], psp);
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if ((excep_lr & 0xf) == 1)
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panic_puts("(exc) ###\n");
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else
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panic_printf("(task %d) ###\n", task_get_current());
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/* If we are blocked in a high priority IT handler, the following debug
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* messages might not appear but they are useless in that situation. */
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timer_print_info();
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task_print_list();
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}
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