GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/arm/board/juno/juno_err.c

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+
+#include <arch_helpers.h>
+#include <drivers/arm/sp805.h>
+#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
+
+/*
+ * Juno error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	/* Propagate the err code in the NV-flags register */
+	mmio_write_32(V2M_SYS_NVFLAGS_ADDR, (uint32_t)err);
+
+	/* Setup the watchdog to reset the system as soon as possible */
+	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
+	for (;;)
+		wfi();
+}