[Xen-devel,v3,07/62] arm/acpi: Add arch_acpi_os_map_memory helper function for ARM

Message ID 1447753261-7552-8-git-send-email-shannon.zhao@linaro.org
State New
Headers show

Commit Message

Shannon Zhao Nov. 17, 2015, 9:40 a.m.
From: Shannon Zhao <shannon.zhao@linaro.org>


Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

---
 xen/arch/arm/Makefile      |  1 +
 xen/arch/arm/acpi/Makefile |  1 +
 xen/arch/arm/acpi/lib.c    | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 xen/arch/arm/acpi/Makefile
 create mode 100644 xen/arch/arm/acpi/lib.c

-- 
2.1.0


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diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
index 1ef39f7..1851ae8 100644
--- a/xen/arch/arm/Makefile
+++ b/xen/arch/arm/Makefile
@@ -2,6 +2,7 @@  subdir-$(arm32) += arm32
 subdir-$(arm64) += arm64
 subdir-y += platforms
 subdir-$(arm64) += efi
+subdir-$(HAS_ACPI) += acpi
 
 obj-$(EARLY_PRINTK) += early_printk.o
 obj-y += cpu.o
diff --git a/xen/arch/arm/acpi/Makefile b/xen/arch/arm/acpi/Makefile
new file mode 100644
index 0000000..b5be22d
--- /dev/null
+++ b/xen/arch/arm/acpi/Makefile
@@ -0,0 +1 @@ 
+obj-y += lib.o
diff --git a/xen/arch/arm/acpi/lib.c b/xen/arch/arm/acpi/lib.c
new file mode 100644
index 0000000..b68623b
--- /dev/null
+++ b/xen/arch/arm/acpi/lib.c
@@ -0,0 +1,33 @@ 
+/*
+ *  lib.c - Architecture-Specific Low-Level ACPI Support
+ *
+ *  Copyright (C) 2015, Shannon Zhao <shannon.zhao@linaro.org>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <xen/acpi.h>
+#include <xen/mm.h>
+#include <asm/mm.h>
+
+void __iomem *
+arch_acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
+{
+    return __va(phys);
+}