diff options
Diffstat (limited to 'lib/sbi/sbi_system.c')
-rw-r--r-- | lib/sbi/sbi_system.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c new file mode 100644 index 0000000..2cb30d4 --- /dev/null +++ b/lib/sbi/sbi_system.c @@ -0,0 +1,45 @@ +/* + * 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(); +} |