Aaron Durbin | bdf913a | 2014-02-24 14:56:34 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2014 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | #ifndef PAYLOAD_LOADER_H |
| 20 | #define PAYLOAD_LOADER_H |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | #include <stddef.h> |
| 24 | |
| 25 | struct payload_backing_store { |
| 26 | void *data; |
| 27 | size_t size; |
| 28 | }; |
| 29 | |
| 30 | struct payload { |
| 31 | const char *name; |
| 32 | struct payload_backing_store backing_store; |
| 33 | void *entry; |
| 34 | }; |
| 35 | |
| 36 | /* |
| 37 | * Load payload into memory and return pointer to payload structure. Returns |
| 38 | * NULL on error. |
| 39 | */ |
| 40 | struct payload *payload_load(void); |
| 41 | |
| 42 | /* Run the loaded payload. */ |
| 43 | void payload_run(const struct payload *payload); |
| 44 | |
| 45 | /* Payload loading operations. */ |
| 46 | struct payload_loader_ops { |
| 47 | const char *name; |
| 48 | /* |
| 49 | * Fill in payload_backing_store structure. Return 0 on success, < 0 |
| 50 | * on failure. |
| 51 | */ |
| 52 | int (*locate)(struct payload *payload); |
| 53 | }; |
| 54 | |
| 55 | /* Defined in src/lib/selfboot.c */ |
| 56 | struct lb_memory; |
| 57 | struct cbfs_payload; |
| 58 | void *selfload(struct lb_memory *mem, struct cbfs_payload *payload); |
| 59 | void selfboot(void *entry); |
| 60 | |
| 61 | #endif /* PAYLOAD_LOADER_H */ |