Changeset 49e6c6b4 in mainline for kernel/arch/ia32/src/smp/smp.c

Timestamp:

2012-06-30T23:54:42Z (12 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

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

Children:

2ee1ccc

Parents:

1f092d9

Message:

ipi: Added support for unicast IPI on amd64, ia32.

File:

• kernel/arch/ia32/src/smp/smp.c (modified) (3 diffs)

kernel/arch/ia32/src/smp/smp.c

@@ -55 +55 @@
 #include <memstr.h>
 #include <arch/drivers/i8259.h>
+#include <cpu.h>
 
 #ifdef CONFIG_SMP
@@ -77 +78 @@
                 io_apic = (uint32_t *) km_map((uintptr_t) io_apic, PAGE_SIZE,
                     PAGE_WRITE | PAGE_NOT_CACHEABLE);
+        }
+}
+
+static void cpu_arch_id_init(void)
+{
+        ASSERT(ops != NULL);
+        ASSERT(cpus != NULL);
+        
+        for (unsigned int i = 0; i < config.cpu_count; ++i) {
+                cpus[i].arch.id = ops->cpu_apic_id(i);
         }
 }
@@ -92 +103 @@
         
         ASSERT(ops != NULL);
+
+        /*
+         * SMP initialized, cpus array allocated. Assign each CPU its 
+         * physical APIC ID.
+         */
+        cpu_arch_id_init();
         
         /*