Aaron Durbin | bd74a4b | 2015-03-06 23:17:33 -0600 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright 2015 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. |
Aaron Durbin | bd74a4b | 2015-03-06 23:17:33 -0600 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #ifndef _STAGE_CACHE_H_ |
| 17 | #define _STAGE_CACHE_H_ |
| 18 | |
| 19 | #include <stddef.h> |
| 20 | #include <stdint.h> |
| 21 | #include <program_loading.h> |
| 22 | |
| 23 | enum { |
| 24 | STAGE_RAMSTAGE, |
| 25 | STAGE_REFCODE, |
Aaron Durbin | d008413 | 2016-11-29 15:52:08 -0600 | [diff] [blame] | 26 | STAGE_POSTCAR, |
Aaron Durbin | bd74a4b | 2015-03-06 23:17:33 -0600 | [diff] [blame] | 27 | }; |
| 28 | |
Aaron Durbin | bd74a4b | 2015-03-06 23:17:33 -0600 | [diff] [blame] | 29 | /* Cache the loaded stage provided according to the parameters. */ |
Aaron Durbin | 54546c9 | 2015-08-05 00:52:13 -0500 | [diff] [blame] | 30 | void stage_cache_add(int stage_id, const struct prog *stage); |
Aaron Durbin | bd74a4b | 2015-03-06 23:17:33 -0600 | [diff] [blame] | 31 | /* Load the cached stage at given location returning the stage entry point. */ |
| 32 | void stage_cache_load_stage(int stage_id, struct prog *stage); |
| 33 | /* Fill in parameters for the external stage cache, if utilized. */ |
| 34 | void stage_cache_external_region(void **base, size_t *size); |
| 35 | |
| 36 | /* Metadata associated with each stage. */ |
| 37 | struct stage_cache { |
| 38 | uint64_t load_addr; |
| 39 | uint64_t entry_addr; |
| 40 | }; |
| 41 | |
| 42 | #endif /* _STAGE_CACHE_H_ */ |