2020-04-02 23:48:27 +02:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
2012-12-24 21:28:37 +01:00
|
|
|
#ifndef RMODULE_H
|
|
|
|
#define RMODULE_H
|
|
|
|
|
|
|
|
#include <stdint.h>
|
2013-02-09 00:05:36 +01:00
|
|
|
#include <stddef.h>
|
2014-03-10 22:13:58 +01:00
|
|
|
#include <string.h>
|
2015-09-08 20:34:43 +02:00
|
|
|
#include <commonlib/rmodule-defs.h>
|
2012-12-24 21:28:37 +01:00
|
|
|
|
|
|
|
enum {
|
|
|
|
RMODULE_TYPE_SMM,
|
2013-01-12 07:41:44 +01:00
|
|
|
RMODULE_TYPE_SIPI_VECTOR,
|
2013-02-06 22:47:31 +01:00
|
|
|
RMODULE_TYPE_STAGE,
|
2013-03-02 00:10:28 +01:00
|
|
|
RMODULE_TYPE_VBOOT,
|
2012-12-24 21:28:37 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
struct rmodule;
|
|
|
|
|
|
|
|
/* Public API for loading rmdoules. */
|
|
|
|
int rmodule_parse(void *ptr, struct rmodule *m);
|
|
|
|
void *rmodule_parameters(const struct rmodule *m);
|
|
|
|
void *rmodule_entry(const struct rmodule *m);
|
|
|
|
int rmodule_entry_offset(const struct rmodule *m);
|
|
|
|
int rmodule_memory_size(const struct rmodule *m);
|
|
|
|
int rmodule_load(void *loc, struct rmodule *m);
|
|
|
|
int rmodule_load_alignment(const struct rmodule *m);
|
2013-02-28 05:50:12 +01:00
|
|
|
/* rmodule_calc_region() calculates the region size, offset to place an
|
|
|
|
* rmodule in memory, and load address offset based off of a region allocator
|
|
|
|
* with an alignment of region_alignment. This function helps place an rmodule
|
2016-07-28 21:25:21 +02:00
|
|
|
* in the same location in RAM it will run from. The offset to place the
|
2013-02-28 05:50:12 +01:00
|
|
|
* rmodule into the region allocated of size region_size is returned. The
|
|
|
|
* load_offset is the address to load and relocate the rmodule.
|
|
|
|
* region_alignment must be a power of 2. */
|
|
|
|
int rmodule_calc_region(unsigned int region_alignment, size_t rmodule_size,
|
2017-03-07 21:18:53 +01:00
|
|
|
size_t *region_size, int *load_offset);
|
2012-12-24 21:28:37 +01:00
|
|
|
|
2013-10-24 17:14:06 +02:00
|
|
|
/* Support for loading rmodule stages. This API is only available when
|
|
|
|
* using dynamic cbmem because it uses the dynamic cbmem API to obtain
|
|
|
|
* the backing store region for the stage. */
|
2015-03-28 03:17:22 +01:00
|
|
|
struct prog;
|
2013-10-24 17:14:06 +02:00
|
|
|
|
|
|
|
struct rmod_stage_load {
|
|
|
|
uint32_t cbmem_id;
|
2015-03-28 03:17:22 +01:00
|
|
|
struct prog *prog;
|
2016-03-18 05:13:34 +01:00
|
|
|
void *params;
|
2013-10-24 17:14:06 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Both of the following functions return 0 on success, -1 on error. */
|
2015-05-16 06:39:23 +02:00
|
|
|
int rmodule_stage_load(struct rmod_stage_load *rsl);
|
2012-12-24 21:28:37 +01:00
|
|
|
|
|
|
|
struct rmodule {
|
|
|
|
void *location;
|
|
|
|
struct rmodule_header *header;
|
|
|
|
const void *payload;
|
|
|
|
int payload_size;
|
|
|
|
void *relocations;
|
|
|
|
};
|
|
|
|
|
2019-03-06 01:53:33 +01:00
|
|
|
#if CONFIG(RELOCATABLE_MODULES)
|
2015-09-05 19:59:26 +02:00
|
|
|
/* Rmodules have an entry point of named _start. */
|
2014-03-10 22:13:58 +01:00
|
|
|
#define RMODULE_ENTRY(entry_) \
|
2017-03-08 00:31:49 +01:00
|
|
|
void _start(void *) __attribute__((alias(STRINGIFY(entry_))))
|
2014-03-10 22:13:58 +01:00
|
|
|
#else
|
|
|
|
#define RMODULE_ENTRY(entry_)
|
|
|
|
#endif
|
2012-12-24 21:28:37 +01:00
|
|
|
|
|
|
|
#endif /* RMODULE_H */
|