Changeset 169587a in mainline for arch/ia32/src/smp/apic.c

Timestamp:

2005-02-21T21:47:22Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b109ebb

Parents:

0ded477

Message:

TLB shootdown.

File:

• arch/ia32/src/smp/apic.c (modified) (1 diff)

arch/ia32/src/smp/apic.c

@@ -143 +143 @@
 
 /*
+ * Send all CPUs excluding the->cpu IPI vector.
+ */
+int l_apic_broadcast_custom_ipi(__u8 vector)
+{
+        __u32 lo;
+
+        /*
+         * Read the ICR register in and zero all non-reserved fields.
+         */
+        lo = l_apic[ICRlo] & ICRloClear;
+
+        lo |= DLVRMODE_FIXED | DESTMODE_LOGIC | LEVEL_ASSERT | SHORTHAND_EXCL | TRGRMODE_LEVEL | vector;
+        
+        l_apic[ICRlo] = lo;
+
+        lo = l_apic[ICRlo] & ICRloClear;
+        if (lo & SEND_PENDING)
+                printf("IPI is pending.\n");
+
+        return apic_poll_errors();
+}
+
+/*
  * Universal Start-up Algorithm for bringing up the AP processors.
  */