coreboot-libre-fam15h-rdimm/3rdparty/opensbi/lib/sbi/sbi_system.c

46 lines
1.2 KiB
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
* Nick Kossifidis <mick@ics.forth.gr>
*/
#include <sbi/sbi_hart.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_system.h>
#include <sbi/sbi_ipi.h>
int sbi_system_early_init(struct sbi_scratch *scratch, bool cold_boot)
{
return sbi_platform_early_init(sbi_platform_ptr(scratch), cold_boot);
}
int sbi_system_final_init(struct sbi_scratch *scratch, bool cold_boot)
{
return sbi_platform_final_init(sbi_platform_ptr(scratch), cold_boot);
}
void __attribute__((noreturn))
sbi_system_reboot(struct sbi_scratch *scratch, u32 type)
{
sbi_platform_system_reboot(sbi_platform_ptr(scratch), type);
sbi_hart_hang();
}
void __attribute__((noreturn))
sbi_system_shutdown(struct sbi_scratch *scratch, u32 type)
{
/* First try the platform-specific method */
sbi_platform_system_shutdown(sbi_platform_ptr(scratch), type);
/* If that fails (or is not implemented) send an IPI on every
* hart to hang and then hang the current hart */
sbi_ipi_send_many(scratch, NULL, NULL, SBI_IPI_EVENT_HALT, NULL);
sbi_hart_hang();
}