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/*
* This file is part of the coreboot project.
*
* Copyright 2015 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PROGRAM_LOADING_H
#define PROGRAM_LOADING_H
#include <stdint.h>
#include <stddef.h>
/************************
* ROMSTAGE LOADING *
************************/
/* Run romstage from bootblock. */
void run_romstage(void);
/************************
* RAMSTAGE LOADING *
************************/
struct cbmem_entry;
/* Run ramstage from romstage. */
void run_ramstage(void);
struct ramstage_loader_ops {
const char *name;
void *(*load)(uint32_t cbmem_id, const char *name,
const struct cbmem_entry **cbmem_entry);
};
/***********************
* PAYLOAD LOADING *
***********************/
struct buffer_area {
void *data;
size_t size;
};
struct payload {
const char *name;
struct buffer_area backing_store;
/* Used when payload wants memory coreboot ramstage is running at. */
struct buffer_area bounce;
void *entry;
};
/*
* Load payload into memory and return pointer to payload structure. Returns
* NULL on error.
*/
struct payload *payload_load(void);
/* Run the loaded payload. */
void payload_run(const struct payload *payload);
/* Mirror the payload to be loaded. */
void mirror_payload(struct payload *payload);
/* architecture specific function to run payload. */
void arch_payload_run(const struct payload *payload);
/* Payload loading operations. */
struct payload_loader_ops {
const char *name;
/*
* Fill in payload_backing_store structure. Return 0 on success, < 0
* on failure.
*/
int (*locate)(struct payload *payload);
};
/* Defined in src/lib/selfboot.c */
void *selfload(struct payload *payload);
#endif /* PROGRAM_LOADING_H */
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