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/*
* This file is part of the coreboot project.
*
* 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.
*/
#ifndef __INTEL_SMM_RELOC_H__
#define __INTEL_SMM_RELOC_H__
#include <types.h>
struct ied_header {
char signature[10];
u32 size;
u8 reserved[34];
} __packed;
/* These helpers are for performing SMM relocation. */
void northbridge_write_smram(u8 smram);
void smm_lock(void);
void smm_relocate(void);
/* The initialization of the southbridge is split into 2 components. One is
* for clearing the state in the SMM registers. The other is for enabling
* SMIs. They are split so that other work between the 2 actions. */
void smm_southbridge_clear_state(void);
void smm_southbridge_enable_smi(void);
void smm_southbridge_enable(uint16_t pm1_events);
/* To be removed. */
void smm_initialize(void);
void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize, size_t *smm_save_state_size);
void smm_relocation_handler(int cpu, uintptr_t curr_smbase, uintptr_t staggered_smbase);
bool cpu_has_alternative_smrr(void);
#endif
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