APIC version

From: Protasevich, Natalie (Natalie.Protasevich@UNISYS.com)
Date: Mon Jan 13 2003 - 13:44:06 EST

I have a little patch here for the APIC version.
Without it, I get version 0x10 instead of 0x14 for Fosters/Gallatins
(booting with ACPI):

--- mpparse.c.org 2003-01-13 11:32:18.000000000 -0700
+++ mpparse.c 2003-01-13 11:33:26.000000000 -0700
@@ -773,6 +773,8 @@
         if (boot_cpu_physical_apicid == -1U)
                 boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 
+ apic_version[smp_processor_id()] =
GET_APIC_VERSION(apic_read(APIC_LVR));
+
         Dprintk("Boot CPU = %d\n", boot_cpu_physical_apicid);
 }
 
@@ -795,7 +797,7 @@
 
         processor.mpc_type = MP_PROCESSOR;
         processor.mpc_apicid = id;
- processor.mpc_apicver = 0x10; /* TBD: lapic version */
+ processor.mpc_apicver = apic_version[smp_processor_id()];
         processor.mpc_cpuflag = (enabled ? CPU_ENABLED : 0);
         processor.mpc_cpuflag |= (boot_cpu ? CPU_BOOTPROCESSOR : 0);
         processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) |

It seems to work OK for me, although you may find some implications...
Anyway -

Thanks,

--Natalie
-
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:46 EST