diff options
Diffstat (limited to 'lib/sbi/sbi_system.c')
| -rw-r--r-- | lib/sbi/sbi_system.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c index e930272..c068b72 100644 --- a/lib/sbi/sbi_system.c +++ b/lib/sbi/sbi_system.c @@ -148,7 +148,7 @@ bool sbi_system_suspend_supported(u32 sleep_type) int sbi_system_suspend(u32 sleep_type, ulong resume_addr, ulong opaque) { - const struct sbi_domain *dom = sbi_domain_thishart_ptr(); + struct sbi_domain *dom = sbi_domain_thishart_ptr(); struct sbi_scratch *scratch = sbi_scratch_thishart_ptr(); void (*jump_warmboot)(void) = (void (*)(void))scratch->warmboot_addr; unsigned int hartid = current_hartid(); @@ -171,13 +171,17 @@ int sbi_system_suspend(u32 sleep_type, ulong resume_addr, ulong opaque) if (prev_mode != PRV_S && prev_mode != PRV_U) return SBI_EFAIL; + spin_lock(&dom->assigned_harts_lock); sbi_hartmask_for_each_hartindex(j, &dom->assigned_harts) { i = sbi_hartindex_to_hartid(j); if (i == hartid) continue; - if (__sbi_hsm_hart_get_state(i) != SBI_HSM_STATE_STOPPED) + if (__sbi_hsm_hart_get_state(i) != SBI_HSM_STATE_STOPPED) { + spin_unlock(&dom->assigned_harts_lock); return SBI_ERR_DENIED; + } } + spin_unlock(&dom->assigned_harts_lock); if (!sbi_domain_check_addr(dom, resume_addr, prev_mode, SBI_DOMAIN_EXECUTE)) |