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-rw-r--r--include/VBox/apic.h37
1 files changed, 25 insertions, 12 deletions
diff --git a/include/VBox/apic.h b/include/VBox/apic.h
index 2d0b8a6f..0b22f11e 100644
--- a/include/VBox/apic.h
+++ b/include/VBox/apic.h
@@ -5,7 +5,7 @@
*/
/*
- * Copyright (C) 2010-2011 Oracle Corporation
+ * Copyright (C) 2010-2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
@@ -31,28 +31,41 @@
#include <iprt/types.h>
#define APIC_REG_VERSION 0x0030
-#define APIC_REG_VERSION_GET_VER(u32) (u32 & 0xff)
-#define APIC_REG_VERSION_GET_MAX_LVT(u32) ((u32 & 0xff0000) >> 16)
+#define APIC_REG_VERSION_GET_VER(u32) (u32 & 0xff)
+#define APIC_REG_VERSION_GET_MAX_LVT(u32) ((u32 & 0xff0000) >> 16)
-/* defines according to Figure 10-8 of the Intel Software Developers Manual Vol 3A */
+/* Defines according to Figure 10-8 of the Intel Software Developers Manual Vol 3A */
#define APIC_REG_LVT_LINT0 0x0350
#define APIC_REG_LVT_LINT1 0x0360
#define APIC_REG_LVT_ERR 0x0370
#define APIC_REG_LVT_PC 0x0340
#define APIC_REG_LVT_THMR 0x0330
-#define APIC_REG_LVT_MODE_MASK (RT_BIT(8)|RT_BIT(9)|RT_BIT(10))
-#define APIC_REG_LVT_MODE_FIXED 0
-#define APIC_REG_LVT_MODE_NMI (RT_BIT(10))
-#define APIC_REG_LVT_MODE_EXTINT (RT_BIT(8)|RT_BIT(9)|RT_BIT(10))
-#define APIC_REG_LVT_PIN_POLARIY RT_BIT(13)
-#define APIC_REG_LVT_REMOTE_IRR RT_BIT(14)
-#define APIC_REG_LVT_LEVEL_TRIGGER RT_BIT(15)
-#define APIC_REG_LVT_MASKED RT_BIT(16)
+#define APIC_REG_LVT_MODE_MASK (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
+#define APIC_REG_LVT_MODE_FIXED 0
+#define APIC_REG_LVT_MODE_NMI RT_BIT(10)
+#define APIC_REG_LVT_MODE_EXTINT (RT_BIT(8) | RT_BIT(9) | RT_BIT(10))
+#define APIC_REG_LVT_PIN_POLARIY RT_BIT(13)
+#define APIC_REG_LVT_REMOTE_IRR RT_BIT(14)
+#define APIC_REG_LVT_LEVEL_TRIGGER RT_BIT(15)
+#define APIC_REG_LVT_MASKED RT_BIT(16)
DECLINLINE(uint32_t) ApicRegRead(void *pvBase, uint32_t offReg)
{
return *(const volatile uint32_t *)((uintptr_t)pvBase + offReg);
}
+
+#ifdef ___iprt_asm_amd64_x86_h
+/**
+ * Reads an X2APIC register.
+ *
+ * @param offReg MMIO offset, APIC_REG_XXX.
+ */
+DECLINLINE(uint32_t) ApicX2RegRead32(uint32_t offReg)
+{
+ return ASMRdMsr((offReg >> 4) + MSR_IA32_X2APIC_START);
+}
#endif
+#endif /* ___VBox_apic_h */
+