diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-02-28 20:33:22 +0000 |
|---|---|---|
| committer | lersek <lersek@Edk2> | 2015-02-28 20:33:22 +0000 |
| commit | b94c3ac93d57cf2711814932bf082b2ce496eb82 (patch) | |
| tree | 7a6ecea850070b0db2c546c1dcb115216308443f /OvmfPkg/Library/XenHypercallLib | |
| parent | d9fdfd851afc3e98d8c967fd2c0a40a43bac3f0c (diff) | |
| download | edk2-platforms-b94c3ac93d57cf2711814932bf082b2ce496eb82.tar.xz | |
Ovmf/Xen: implement XenHypercallLib for ARM
This patch adds an implementation of XenHypercallLib for both
AArch64 and AArch32 execution modes on ARM systems.
Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16974 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/Library/XenHypercallLib')
| -rw-r--r-- | OvmfPkg/Library/XenHypercallLib/Aarch64/Hypercall.S | 26 | ||||
| -rw-r--r-- | OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S | 25 | ||||
| -rw-r--r-- | OvmfPkg/Library/XenHypercallLib/XenHypercallLibArm.inf | 40 |
3 files changed, 91 insertions, 0 deletions
diff --git a/OvmfPkg/Library/XenHypercallLib/Aarch64/Hypercall.S b/OvmfPkg/Library/XenHypercallLib/Aarch64/Hypercall.S new file mode 100644 index 0000000000..b1b5d4cc3f --- /dev/null +++ b/OvmfPkg/Library/XenHypercallLib/Aarch64/Hypercall.S @@ -0,0 +1,26 @@ +
+/** @file
+ AArch64 implementation of XenHypercall2
+
+ Copyright (C) 2014, Linaro Ltd.
+
+ 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.
+
+**/
+
+#include <IndustryStandard/Xen/arch-arm/xen.h>
+
+ .text
+ .global ASM_PFX(XenHypercall2)
+ASM_PFX(XenHypercall2):
+ mov x16, x0
+ mov x0, x1
+ mov x1, x2
+ hvc #XEN_HYPERCALL_TAG
+ ret
diff --git a/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S b/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S new file mode 100644 index 0000000000..b38e1a8f18 --- /dev/null +++ b/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S @@ -0,0 +1,25 @@ +/** @file
+ ARM (AArch32) implementation of XenHypercall2
+
+ Copyright (C) 2014, Linaro Ltd.
+
+ 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.
+
+**/
+
+#include <IndustryStandard/Xen/arch-arm/xen.h>
+
+ .text
+ .global ASM_PFX(XenHypercall2)
+ASM_PFX(XenHypercall2):
+ mov r12, r0
+ mov r0, r1
+ mov r1, r2
+ hvc #XEN_HYPERCALL_TAG
+ bx lr
diff --git a/OvmfPkg/Library/XenHypercallLib/XenHypercallLibArm.inf b/OvmfPkg/Library/XenHypercallLib/XenHypercallLibArm.inf new file mode 100644 index 0000000000..9cbbeb5d87 --- /dev/null +++ b/OvmfPkg/Library/XenHypercallLib/XenHypercallLibArm.inf @@ -0,0 +1,40 @@ +## @file
+# Xen Hypercall abstraction lib for ARM architecture
+#
+# Copyright (c) 2014, Linaro 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = XenHypercallLibArm
+ FILE_GUID = 9607AC2E-FCB9-499B-9475-612282019568
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = XenHypercallLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = ARM AARCH64
+#
+
+[Sources.ARM]
+ Arm/Hypercall.S
+
+[Sources.AARCH64]
+ Aarch64/Hypercall.S
+
+[Sources]
+ XenHypercall.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
|