Changeset 232e3ec7 in mainline for arch/ia32/src/acpi/madt.c

Timestamp:

2005-07-19T15:10:27Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0970f43

Parents:

a26ddd1

Message:

Implement ACPI MADT operations for interface used by kmp.

File:

• arch/ia32/src/acpi/madt.c (modified) (3 diffs)

arch/ia32/src/acpi/madt.c

@@ -28 +28 @@
 
 #include <arch/types.h>
+#include <typedefs.h>
 #include <arch/acpi/acpi.h>
 #include <arch/acpi/madt.h>
 #include <arch/smp/apic.h>
+#include <arch/smp/smp.h>
 #include <mm/page.h>
 #include <panic.h>
+#include <debug.h>
+#include <config.h>
 
 struct acpi_madt *acpi_madt = NULL;
@@ -65 +69 @@
         "PLATFORM_INTR_SRC"
 };
+
+/*
+ * ACPI MADT Implementation of SMP configuration interface.
+ */
+static count_t madt_cpu_count(void);
+static bool madt_cpu_enabled(index_t i);
+static bool madt_cpu_bootstrap(index_t i);
+static __u8 madt_cpu_apic_id(index_t i);
+
+struct smp_config_operations madt_config_operations = {
+        .cpu_count = madt_cpu_count,
+        .cpu_enabled = madt_cpu_enabled,
+        .cpu_bootstrap = madt_cpu_bootstrap,
+        .cpu_apic_id = madt_cpu_apic_id
+};
+
+static count_t madt_cpu_count(void)
+{
+        return madt_l_apic_entry_cnt;
+}
+
+static bool madt_cpu_enabled(index_t i)
+{
+        ASSERT(i < madt_l_apic_entry_cnt);
+        return madt_l_apic_entries[i].flags & 0x1;
+}
+
+static bool madt_cpu_bootstrap(index_t i)
+{
+        ASSERT(i < madt_l_apic_entry_cnt);
+        return madt_l_apic_entries[i].apic_id == l_apic_id();
+}
+
+static __u8 madt_cpu_apic_id(index_t i)
+{
+        ASSERT(i < madt_l_apic_entry_cnt);
+        return madt_l_apic_entries[i].apic_id;
+}
 
 void acpi_madt_parse(void)
@@ -106 +148 @@
         }
 
+        if (madt_l_apic_entry_cnt)
+                config.cpu_count = madt_l_apic_entry_cnt;
 }