From 25402f5d0660acde3ee382a36b065945251990dc Mon Sep 17 00:00:00 2001
From: Harry Liebel <Harry.Liebel@arm.com>
Date: Thu, 18 Jul 2013 18:07:46 +0000
Subject: ArmPkg: Added Aarch64 support

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14486 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPkg/Include/Chipset/AArch64.h | 179 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 ArmPkg/Include/Chipset/AArch64.h

(limited to 'ArmPkg/Include/Chipset/AArch64.h')

diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h
new file mode 100644
index 0000000000..7f1f44ccc3
--- /dev/null
+++ b/ArmPkg/Include/Chipset/AArch64.h
@@ -0,0 +1,179 @@
+/** @file
+
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __AARCH64_H__
+#define __AARCH64_H__
+
+#include <Chipset/AArch64Mmu.h>
+#include <Chipset/ArmArchTimer.h>
+
+// ARM Interrupt ID in Exception Table
+#define ARM_ARCH_EXCEPTION_IRQ            EXCEPT_AARCH64_IRQ
+
+// CPACR - Coprocessor Access Control Register definitions
+#define CPACR_TTA_EN            (1UL << 28)
+#define CPACR_FPEN_EL1          (1UL << 20)
+#define CPACR_FPEN_FULL         (3UL << 20)
+#define CPACR_CP_FULL_ACCESS    0x300000
+
+// Coprocessor Trap Register (CPTR)
+#define AARCH64_CPTR_TFP        (1 << 10)
+
+// ID_AA64PFR0 - AArch64 Processor Feature Register 0 definitions
+#define AARCH64_PFR0_FP         (0xF << 16)
+
+// NSACR - Non-Secure Access Control Register definitions
+#define NSACR_CP(cp)            ((1 << (cp)) & 0x3FFF)
+#define NSACR_NSD32DIS          (1 << 14)
+#define NSACR_NSASEDIS          (1 << 15)
+#define NSACR_PLE               (1 << 16)
+#define NSACR_TL                (1 << 17)
+#define NSACR_NS_SMP            (1 << 18)
+#define NSACR_RFR               (1 << 19)
+
+// SCR - Secure Configuration Register definitions
+#define SCR_NS                  (1 << 0)
+#define SCR_IRQ                 (1 << 1)
+#define SCR_FIQ                 (1 << 2)
+#define SCR_EA                  (1 << 3)
+#define SCR_FW                  (1 << 4)
+#define SCR_AW                  (1 << 5)
+
+// MIDR - Main ID Register definitions
+#define ARM_CPU_TYPE_MASK       0xFFF
+#define ARM_CPU_TYPE_AEMv8      0xD0F
+#define ARM_CPU_TYPE_A15        0xC0F
+#define ARM_CPU_TYPE_A9         0xC09
+#define ARM_CPU_TYPE_A5         0xC05
+
+// Hypervisor Configuration Register
+#define ARM_HCR_FMO				BIT3
+#define ARM_HCR_IMO				BIT4
+#define ARM_HCR_AMO				BIT5
+#define ARM_HCR_TGE				BIT27
+
+// AArch64 Exception Level
+#define AARCH64_EL3       0xC
+#define AARCH64_EL2       0x8
+#define AARCH64_EL1       0x4
+
+#define ARM_VECTOR_TABLE_ALIGNMENT ((1 << 11)-1)
+
+VOID
+EFIAPI
+ArmEnableSWPInstruction (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmReadCbar (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmReadTpidrurw (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteTpidrurw (
+  UINTN Value
+  );
+
+UINTN
+EFIAPI
+ArmIsArchTimerImplemented (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmReadIdPfr0 (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmReadIdPfr1 (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmGetTCR (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmSetTCR (
+  UINTN Value
+  );
+
+UINTN
+EFIAPI
+ArmGetMAIR (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmSetMAIR (
+  UINTN Value
+  );
+
+VOID
+EFIAPI
+ArmDisableAlignmentCheck (
+  VOID
+  );
+
+
+VOID
+EFIAPI
+ArmEnableAlignmentCheck (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmDisableAllExceptions (
+  VOID
+  );
+
+VOID
+ArmWriteHcr (
+  IN UINTN Hcr
+  );
+
+UINTN
+ArmReadCurrentEL (
+  VOID
+  );
+
+UINT64
+PageAttributeToGcdAttribute (
+  IN UINT64 PageAttributes
+  );
+
+UINT64
+GcdAttributeToPageAttribute (
+  IN UINT64 GcdAttributes
+  );
+
+#endif // __AARCH64_H__
-- 
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