X86: Put in initial implementation of the local APIC.

--HG--
extra : convert_revision : 1708a93d96b819e64ed456c75dbb5325ac8114a8

1 files changed, 10 insertions, 0 deletions

diff --git a/src/arch/x86/utility.cc b/src/arch/x86/utility.cc
index f5e87b860..5fe5bf8c3 100644
--- a/src/arch/x86/utility.cc
+++ b/src/arch/x86/utility.cc
@@ -248,6 +248,16 @@ void initCPU(ThreadContext *tc, int cpuId)
     // TODO Turn on the APIC. This should be handled elsewhere but it isn't
     // currently being handled at all.
 
+    LocalApicBase lApicBase = 0;
+    lApicBase.base = 0xFEE00000 >> 12;
+    lApicBase.enable = 1;
+    lApicBase.bsp = (cpuId == 0);
+    tc->setMiscReg(MISCREG_APIC_BASE, lApicBase);
+
+    tc->setMiscRegNoEffect(MISCREG_APIC_ID, cpuId << 24);
+
+    tc->setMiscRegNoEffect(MISCREG_APIC_VERSION, (5 << 16) | 0x14);
+
     // TODO Set the SMRAM base address (SMBASE) to 0x00030000
 
     tc->setMiscReg(MISCREG_VM_CR, 0);