diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/init_cpus.c | 20 | ||||
| -rw-r--r-- | src/include/cpu/amd/multicore.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c index e8e81d2fd8..e2a1bf3688 100644 --- a/src/cpu/amd/family_10h-family_15h/init_cpus.c +++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c @@ -299,6 +299,26 @@ void allow_all_aps_stop(u32 bsp_apicid) lapic_write(LAPIC_MSG_REG, (bsp_apicid << 24) | F10_APSTATE_STOPPED); } +static void wait_ap_stopped(u32 ap_apicid, void *gp) +{ + u32 timeout; + timeout = wait_cpu_state(ap_apicid, F10_APSTATE_ASLEEP, F10_APSTATE_ASLEEP); + printk(BIOS_DEBUG, "* AP %02x", ap_apicid); + if (timeout) { + printk(BIOS_DEBUG, " timed out:%08x\n", timeout); + } else { + printk(BIOS_DEBUG, "stopped\n"); + } +} + +void wait_all_other_cores_stopped(u32 bsp_apicid) +{ + // all aps other than core0 + printk(BIOS_DEBUG, "stopped ap apicid: "); + for_each_ap(bsp_apicid, 2, -1, wait_ap_stopped, (void *)0); + printk(BIOS_DEBUG, "\n"); +} + static void enable_apic_ext_id(u32 node) { u32 val; diff --git a/src/include/cpu/amd/multicore.h b/src/include/cpu/amd/multicore.h index b3a82379b4..0ddf866f64 100644 --- a/src/include/cpu/amd/multicore.h +++ b/src/include/cpu/amd/multicore.h @@ -35,6 +35,7 @@ void amd_sibling_init(struct device *cpu); void wait_all_core0_started(void); void wait_all_other_cores_started(u32 bsp_apicid); void wait_all_aps_started(u32 bsp_apicid); +void wait_all_other_cores_stopped(uint32_t bsp_apicid); void allow_all_aps_stop(u32 bsp_apicid); #endif u32 get_initial_apicid(void); |