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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <amdblocks/acpi.h>
#include <amdblocks/smm.h>
#include <bootstate.h>
#include <console/console.h>
#include <cpu/amd/msr.h>
#include <cpu/x86/mp.h>
#include <cpu/x86/msr.h>
#include <types.h>
static void per_core_finalize(void *unused)
{
/* Finalize SMM settings */
if (is_smm_locked()) /* Skip if already locked, avoid GPF */
return;
if (CONFIG(HAVE_SMI_HANDLER))
tseg_valid();
lock_smm();
}
static void finalize_cores(void)
{
printk(BIOS_SPEW, "Lock SMM configuration\n");
if (mp_run_on_all_cpus(per_core_finalize, NULL) != CB_SUCCESS)
printk(BIOS_WARNING, "Failed to finalize all cores\n");
}
static void soc_finalize(void *unused)
{
finalize_cores();
if (!acpi_is_wakeup_s3()) {
acpi_clear_pm_gpe_status();
if (CONFIG(HAVE_SMI_HANDLER))
acpi_disable_sci();
else
acpi_enable_sci();
}
post_code(POST_OS_BOOT);
}
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL);
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL);
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