From 1cecf6791d93e45713c4c8093463d80f52de667b Mon Sep 17 00:00:00 2001
From: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
Date: Mon, 27 Jan 2025 13:38:16 +0800
Subject: [PATCH] arch/armv7-r: add undefined mpu_region_s

This copies struct mpu_region_s from armv7-m to fix PROTECTED mode
build error: `invalid use of undefined type 'struct mpu_region_s'`

Signed-off-by: Yanfeng Liu <p-liuyanfeng9@xiaomi.com>
---
 arch/arm/src/armv7-r/mpu.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/src/armv7-r/mpu.h b/arch/arm/src/armv7-r/mpu.h
index 7a0296cf89a..5c1b6dfb1f3 100644
--- a/arch/arm/src/armv7-r/mpu.h
+++ b/arch/arm/src/armv7-r/mpu.h
@@ -106,6 +106,25 @@
 #  endif
 #endif
 
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+struct mpu_region_s
+{
+  /* Region Base Address */
+
+  uintptr_t base;
+
+  /* Region Size */
+
+  size_t size;
+
+  /* Region Attributes */
+
+  uint32_t flags;
+};
+
 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/