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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_PANIC_EXTRA_H
#define __CROS_EC_PANIC_EXTRA_H
/*
* The backup address for the panic data.
* Set it to CONFIG_RAM_BASE because the panic_backup is put
* on this address by specifying section .bss.panic_extra
*/
#define PANIC_DATA_BACKUP_ADDRESS CONFIG_RAM_BASE
/**
* Save the panic data to the panic_backup
*/
static inline void panic_data_backup(void)
{
uint8_t *src_ptr = (uint8_t *)panic_get_data();
uint8_t *dest_ptr;
int num_bytes = sizeof(struct panic_data);
dest_ptr = (uint8_t *)PANIC_DATA_BACKUP_ADDRESS;
if (src_ptr) {
while (num_bytes--)
*dest_ptr++ = *src_ptr++;
}
}
/**
* Restore the panic data from the panic_backup
*/
static inline void panic_data_restore(void)
{
uint8_t *src_ptr = (uint8_t *)PANIC_DATA_BACKUP_ADDRESS;
uint8_t *dest_ptr = (uint8_t *)PANIC_DATA_PTR;
int num_bytes = sizeof(struct panic_data);
while (num_bytes--)
*dest_ptr++ = *src_ptr++;
}
#endif /* __CROS_EC_PANIC_EXTRA_H */
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