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57 lines
2.0 KiB
57 lines
2.0 KiB
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef RMODULE_DEFS_H
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#define RMODULE_DEFS_H
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#include <stdint.h>
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#include <stddef.h>
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#define RMODULE_MAGIC 0xf8fe
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#define RMODULE_VERSION_1 1
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/* All fields with '_offset' in the name are byte offsets into the flat blob.
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* The linker and the linker script takes are of assigning the values. */
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struct rmodule_header {
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uint16_t magic;
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uint8_t version;
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uint8_t type;
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/* The payload represents the program's loadable code and data. */
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uint32_t payload_begin_offset;
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uint32_t payload_end_offset;
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/* Begin and of relocation information about the program module. */
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uint32_t relocations_begin_offset;
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uint32_t relocations_end_offset;
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/* The starting address of the linked program. This address is vital
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* for determining relocation offsets as the relocation info and other
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* symbols (bss, entry point) need this value as a basis to calculate
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* the offsets.
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*/
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uint32_t module_link_start_address;
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/* The module_program_size is the size of memory used while running
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* the program. The program is assumed to consume a contiguous amount
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* of memory. */
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uint32_t module_program_size;
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/* This is program's execution entry point. */
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uint32_t module_entry_point;
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/* Optional parameter structure that can be used to pass data into
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* the module. */
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uint32_t parameters_begin;
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uint32_t parameters_end;
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/* BSS section information so the loader can clear the bss. */
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uint32_t bss_begin;
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uint32_t bss_end;
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/* Add some room for growth. */
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uint32_t padding[4];
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} __packed;
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#endif /* RMODULE_DEFS_H */
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