GRUB 0.5 release

shared_src/apic.h

@@ -0,0 +1,73 @@
+/*
+ *  <Insert copyright here : it must be BSD-like so everyone can use it>
+ *
+ *  Author:  Erich Boleyn  <erich@uruk.org>   http://www.uruk.org/~erich/
+ *
+ *  Header file for Intel Architecture local and I/O APIC definitions.
+ *
+ *  This file was created from information in the Intel Pentium Pro
+ *  Family Developer's Manual, Volume 3: Operating System Writer's
+ *  Manual, order number 242692-001, which can be ordered from the
+ *  Intel literature center.
+ */
+
+#ifndef _APIC_H
+#define _APIC_H
+
+/*
+ *  APIC Defines.
+ */
+
+#define APIC_BROADCAST_ID		       	0xFF
+
+/*
+ *  APIC register definitions
+ */
+
+/*
+ *  Shared defines for I/O and local APIC definitions
+ */
+/* APIC version register */
+#define	APIC_VERSION(x)				((x) & 0xFF)
+/* if the APIC version is equal or greater than APIC_VER_NEW, it
+   is a "new" APIC */
+#define APIC_VER_NEW				0x10
+/* this next one is used in all cases but an old local APIC, which has
+   2 entries in it's LVT */
+#define	APIC_MAXREDIR(x)			(((x) >> 16) & 0xFF)
+/* APIC id register */
+#define	APIC_OLD_ID(x)				((x) >> 24)
+#define	APIC_NEW_ID(x)				(((x) >> 24) & 0xF)
+
+#define IOAPIC_REGSEL				0
+#define IOAPIC_RW				0x10
+#define		IOAPIC_ID			0
+#define		IOAPIC_VER			1
+#define		IOAPIC_REDIR			0x10
+#define LAPIC_ID				0x20
+#define LAPIC_VER				0x30
+#define LAPIC_TPR				0x80
+#define LAPIC_APR				0x90
+#define LAPIC_PPR				0xA0
+#define LAPIC_EOI				0xB0
+#define LAPIC_LDR				0xD0
+#define LAPIC_DFR				0xE0
+#define LAPIC_SPIV				0xF0
+#define		LAPIC_SPIV_ENABLE_APIC		0x100
+#define LAPIC_ISR				0x100
+#define LAPIC_TMR				0x180
+#define LAPIC_IRR				0x200
+#define LAPIC_ESR				0x280
+#define LAPIC_ICR				0x300
+#define		LAPIC_DEST_MASK			0xFFFFFF
+#define LAPIC_LVTT				0x320
+#define LAPIC_LVTPC		       		0x340
+#define LAPIC_LVT0				0x350
+#define LAPIC_LVT1				0x360
+#define LAPIC_LVTE				0x370
+#define LAPIC_TICR				0x380
+#define LAPIC_TCCR				0x390
+#define LAPIC_TDCR				0x3E0
+
+#endif  /* _APIC_H */
+