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From: Ayan Kumar Halder <ayan.kumar.halder@amd.com>
To: <xen-devel@lists.xenproject.org>
CC: Ayan Kumar Halder <ayan.kumar.halder@amd.com>, Stefano Stabellini
<sstabellini@kernel.org>, Julien Grall <julien@xen.org>, Bertrand Marquis
<bertrand.marquis@arm.com>, Michal Orzel <michal.orzel@amd.com>, "Volodymyr
Babchuk" <Volodymyr_Babchuk@epam.com>
Subject: [PATCH 3/5] xen/arm: mpu: Move some of the definitions to common file
Date: Tue, 4 Feb 2025 19:23:55 +0000
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For AArch32, refer to ARM DDI 0568A.c ID110520.
MPU_REGION_SHIFT is same between AArch32 and AArch64 (HPRBAR).
Also, NUM_MPU_REGIONS_SHIFT is same between AArch32 and AArch64
(HMPUIR).
Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@amd.com>
Reviewed-by: Luca Fancellu <luca.fancellu@arm.com>
---
xen/arch/arm/arm64/mpu/head.S | 2 +-
xen/arch/arm/include/asm/early_printk.h | 2 +-
xen/arch/arm/include/asm/{arm64 =3D> }/mpu.h | 6 +++---
3 files changed, 5 insertions(+), 5 deletions(-)
rename xen/arch/arm/include/asm/{arm64 =3D> }/mpu.h (87%)
diff --git a/xen/arch/arm/arm64/mpu/head.S b/xen/arch/arm/arm64/mpu/head.S
index e4f2021f45..7b659aa42b 100644
--- a/xen/arch/arm/arm64/mpu/head.S
+++ b/xen/arch/arm/arm64/mpu/head.S
@@ -3,7 +3,7 @@
* Start-of-day code for an Armv8-R MPU system.
*/
=20
-#include <asm/arm64/mpu.h>
+#include <asm/mpu.h>
#include <asm/early_printk.h>
=20
/* Backgroud region enable/disable */
diff --git a/xen/arch/arm/include/asm/early_printk.h b/xen/arch/arm/include=
/asm/early_printk.h
index 219705a8b6..644fd0fcfb 100644
--- a/xen/arch/arm/include/asm/early_printk.h
+++ b/xen/arch/arm/include/asm/early_printk.h
@@ -11,7 +11,7 @@
#define __ARM_EARLY_PRINTK_H__
=20
#include <xen/page-size.h>
-#include <asm/arm64/mpu.h>
+#include <asm/mpu.h>
#include <asm/fixmap.h>
=20
#ifdef CONFIG_EARLY_PRINTK
diff --git a/xen/arch/arm/include/asm/arm64/mpu.h b/xen/arch/arm/include/as=
m/mpu.h
similarity index 87%
rename from xen/arch/arm/include/asm/arm64/mpu.h
rename to xen/arch/arm/include/asm/mpu.h
index f8a029f1a1..40fa6eaaca 100644
--- a/xen/arch/arm/include/asm/arm64/mpu.h
+++ b/xen/arch/arm/include/asm/mpu.h
@@ -3,8 +3,8 @@
* mpu.h: Arm Memory Protection Unit definitions.
*/
=20
-#ifndef __ARM64_MPU_H__
-#define __ARM64_MPU_H__
+#ifndef __ARM_MPU_H__
+#define __ARM_MPU_H__
=20
#define MPU_REGION_SHIFT 6
#define MPU_REGION_ALIGN (_AC(1, UL) << MPU_REGION_SHIFT)
@@ -13,7 +13,7 @@
#define NUM_MPU_REGIONS_SHIFT 8
#define NUM_MPU_REGIONS (_AC(1, UL) << NUM_MPU_REGIONS_SHIFT)
#define NUM_MPU_REGIONS_MASK (NUM_MPU_REGIONS - 1)
-#endif /* __ARM64_MPU_H__ */
+#endif /* __ARM_MPU_H__ */
=20
/*
* Local variables:
--=20
2.25.1