diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/cpu/x86/lapic.h | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/src/include/cpu/x86/lapic.h b/src/include/cpu/x86/lapic.h index 5d696dce18..e2c2146942 100644 --- a/src/include/cpu/x86/lapic.h +++ b/src/include/cpu/x86/lapic.h @@ -54,22 +54,7 @@ static inline __attribute__((always_inline)) unsigned long lapicid(void) static inline __attribute__((always_inline)) void stop_this_cpu(void) { - unsigned apicid; - apicid = lapicid(); - - /* Send an APIC INIT to myself */ - lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid)); - lapic_write(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_INT_ASSERT | LAPIC_DM_INIT); - /* Wait for the ipi send to finish */ - lapic_wait_icr_idle(); - - /* Deassert the APIC INIT */ - lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid)); - lapic_write(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_DM_INIT); - /* Wait for the ipi send to finish */ - lapic_wait_icr_idle(); - - /* If I haven't halted spin forever */ + /* Called by an AP when it is ready to halt and wait for a new task */ for(;;) { hlt(); } |