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https://github.com/riscv-software-src/opensbi.git
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466fecb957
This patch replaces use of sbi_hart_available_mask() API with sbi_hsm_hart_started_mask() API. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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* Nick Kossifidis <mick@ics.forth.gr>
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*/
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#include <sbi/sbi_bitops.h>
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#include <sbi/sbi_hart.h>
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#include <sbi/sbi_hsm.h>
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#include <sbi/sbi_platform.h>
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#include <sbi/sbi_system.h>
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#include <sbi/sbi_ipi.h>
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#include <sbi/sbi_init.h>
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int sbi_system_early_init(struct sbi_scratch *scratch, bool cold_boot)
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{
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return sbi_platform_early_init(sbi_platform_ptr(scratch), cold_boot);
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}
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int sbi_system_final_init(struct sbi_scratch *scratch, bool cold_boot)
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{
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return sbi_platform_final_init(sbi_platform_ptr(scratch), cold_boot);
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}
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void sbi_system_early_exit(struct sbi_scratch *scratch)
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{
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sbi_platform_early_exit(sbi_platform_ptr(scratch));
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}
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void sbi_system_final_exit(struct sbi_scratch *scratch)
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{
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sbi_platform_final_exit(sbi_platform_ptr(scratch));
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}
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void __noreturn sbi_system_reboot(struct sbi_scratch *scratch, u32 type)
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{
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ulong hbase = 0, hmask;
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u32 current_hartid = sbi_current_hartid();
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/* Send HALT IPI to every hart other than the current hart */
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while (!sbi_hsm_hart_started_mask(scratch, hbase, &hmask)) {
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if (hbase <= current_hartid)
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hmask &= ~(1UL << (current_hartid - hbase));
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if (hmask)
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sbi_ipi_send_halt(scratch, hmask, hbase);
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hbase += BITS_PER_LONG;
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}
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/* Stop current HART */
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sbi_hsm_hart_stop(scratch, FALSE);
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/* Platform specific reooot */
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sbi_platform_system_reboot(sbi_platform_ptr(scratch), type);
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/* If platform specific reboot did not work then do sbi_exit() */
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sbi_exit(scratch);
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}
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void __noreturn sbi_system_shutdown(struct sbi_scratch *scratch, u32 type)
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{
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ulong hbase = 0, hmask;
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u32 current_hartid = sbi_current_hartid();
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/* Send HALT IPI to every hart other than the current hart */
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while (!sbi_hsm_hart_started_mask(scratch, hbase, &hmask)) {
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if (hbase <= current_hartid)
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hmask &= ~(1UL << (current_hartid - hbase));
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if (hmask)
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sbi_ipi_send_halt(scratch, hmask, hbase);
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hbase += BITS_PER_LONG;
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}
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/* Stop current HART */
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sbi_hsm_hart_stop(scratch, FALSE);
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/* Platform specific shutdown */
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sbi_platform_system_shutdown(sbi_platform_ptr(scratch), type);
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/* If platform specific shutdown did not work then do sbi_exit() */
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sbi_exit(scratch);
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}
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