edbf5d9138
This patch adds a few southbridge calls needed for parallel MP init. Moves the smm_relocate() function to smm/gen1/smi.h, since that is where this function is defined now. Tested on Thinkpad X220, shaves off ~30ms on a 2 core, 4 threads CPU. Change-Id: Ia1d547ed4a3cb6746a0222c3e54e94e5848b0dd7 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/25618 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*
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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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#include <device/device.h>
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void bsp_init_and_start_aps(struct bus *cpu_bus);
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/* These helpers are for performing SMM relocation. */
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void southbridge_smm_init(void);
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void southbridge_trigger_smi(void);
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void southbridge_clear_smi_status(void);
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u32 northbridge_get_tseg_base(void);
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u32 northbridge_get_tseg_size(void);
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int cpu_get_apic_id_map(int *apic_id_map);
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void northbridge_write_smram(u8 smram);
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bool cpu_has_alternative_smrr(void);
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/* parallel MP helper functions */
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void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize,
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size_t *smm_save_state_size);
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void smm_initialize(void);
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void southbridge_smm_clear_state(void);
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void smm_relocation_handler(int cpu, uintptr_t curr_smbase,
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uintptr_t staggered_smbase);
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void smm_relocate(void);
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