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lib: sbi_system: Use sbi_hsm_hart_started_mask() API

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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>
This commit is contained in:
Anup Patel
2020-03-02 16:19:49 +05:30
committed by Anup Patel
parent 61f776861f
commit 466fecb957
1 changed files with 20 additions and 6 deletions
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26
lib/sbi/sbi_system.c
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@@ -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 */