| /* |
| * 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> |
| |
| |
| /************************ |
| * 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 */ |