Changeset c9b8c5c in mainline for arch/ia32/include/smp/apic.h

Timestamp:

2005-04-24T21:59:33Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

ad36bd6

Parents:

f07bba5

Message:

APIC changes and fixes.
Be more robust during MP configuration.

Do not use APIC ID as CPU_ID_ARCH anymore.
Changing APIC ID's is not a good idea.
Use dr0 register instead.

File:

• arch/ia32/include/smp/apic.h (modified) (1 diff)

arch/ia32/include/smp/apic.h

@@ -99 +99 @@
 #define L_APIC_IDMask   0xf
 
+/* Local APIC Version Register */
+#define LAVR            (0x030/sizeof(__u32))
+#define LAVR_Mask       0xff
+#define is_local_apic(x)        (((x)&LAVR_Mask&0xf0)==0x1)
+#define is_82489DX_apic(x)      ((((x)&LAVR_Mask&0xf0)==0x0))
+#define is_local_xapic(x)       (((x)&LAVR_Mask)==0x14)
+
 /* IO APIC */
 #define IOREGSEL        (0x00/sizeof(__u32))