diff options
| -rw-r--r-- | lib/sbi/sbi_system.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c index 68fad0f..461e470 100644 --- a/lib/sbi/sbi_system.c +++ b/lib/sbi/sbi_system.c @@ -38,12 +38,19 @@ void sbi_system_final_exit(struct sbi_scratch *scratch) void __noreturn sbi_system_reboot(struct sbi_scratch *scratch, u32 type) { - u32 current_hartid_mask = 1UL << sbi_current_hartid(); + ulong hbase = 0, hmask; + u32 current_hartid = sbi_current_hartid(); /* Send HALT IPI to every hart other than the current hart */ - sbi_ipi_send_halt(scratch, - sbi_hart_available_mask() & ~current_hartid_mask, 0); + while (!sbi_hsm_hart_started_mask(scratch, hbase, &hmask)) { + if (hbase <= current_hartid) + hmask &= ~(1UL << (current_hartid - hbase)); + if (hmask) + sbi_ipi_send_halt(scratch, hmask, hbase); + hbase += BITS_PER_LONG; + } + /* Stop current HART */ sbi_hsm_hart_stop(scratch, FALSE); /* Platform specific reooot */ @@ -55,12 +62,19 @@ void __noreturn sbi_system_reboot(struct sbi_scratch *scratch, u32 type) void __noreturn sbi_system_shutdown(struct sbi_scratch *scratch, u32 type) { - u32 current_hartid_mask = 1UL << sbi_current_hartid(); + ulong hbase = 0, hmask; + u32 current_hartid = sbi_current_hartid(); /* Send HALT IPI to every hart other than the current hart */ - sbi_ipi_send_halt(scratch, - sbi_hart_available_mask() & ~current_hartid_mask, 0); + while (!sbi_hsm_hart_started_mask(scratch, hbase, &hmask)) { + if (hbase <= current_hartid) + hmask &= ~(1UL << (current_hartid - hbase)); + if (hmask) + sbi_ipi_send_halt(scratch, hmask, hbase); + hbase += BITS_PER_LONG; + } + /* Stop current HART */ sbi_hsm_hart_stop(scratch, FALSE); /* Platform specific shutdown */ |