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b46f30a378
Add a handler for SIGILL, SIGBUS, SIGSEGV. When an exception occurs print the program counter and the loaded UEFI binaries and reset the system if CONFIG_SANDBOX_CRASH_RESET=y or exit to the OS otherwise. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
59 lines
1.0 KiB
C
59 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2011 The Chromium OS Authors.
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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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#include <common.h>
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#include <efi_loader.h>
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#include <irq_func.h>
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#include <os.h>
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#include <asm-generic/signal.h>
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#include <asm/u-boot-sandbox.h>
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DECLARE_GLOBAL_DATA_PTR;
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int interrupt_init(void)
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{
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return 0;
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}
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void enable_interrupts(void)
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{
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return;
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}
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int disable_interrupts(void)
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{
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return 0;
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}
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void os_signal_action(int sig, unsigned long pc)
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{
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efi_restore_gd();
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switch (sig) {
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case SIGILL:
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printf("\nIllegal instruction\n");
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break;
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case SIGBUS:
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printf("\nBus error\n");
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break;
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case SIGSEGV:
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printf("\nSegmentation violation\n");
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break;
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default:
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break;
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}
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printf("pc = 0x%lx, ", pc);
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printf("pc_reloc = 0x%lx\n\n", pc - gd->reloc_off);
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efi_print_image_infos((void *)pc);
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if (IS_ENABLED(CONFIG_SANDBOX_CRASH_RESET)) {
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printf("resetting ...\n\n");
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sandbox_reset();
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} else {
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sandbox_exit();
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}
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}
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