From: rtel <rtel@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Thu, 25 Apr 2019 19:49:50 +0000 (+0000)
Subject: Added portMEMORY_BARRIER() implemented as __asm volatile( "" ::: "memory" ) into... 
X-Git-Tag: V10.2.1~12
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=a90ca447a44e30deb5ff879ae627e6a21f952dbc;p=freertos

Added portMEMORY_BARRIER() implemented as __asm volatile( "" ::: "memory" ) into ARM Cortex-M33 ports to assist with link time optimisation.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2651 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h b/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h
index 4dede1716..3ab4ff700 100644
--- a/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h
+++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h
@@ -289,6 +289,8 @@ typedef struct MPU_SETTINGS
 #endif /* configENABLE_MPU */
 /*-----------------------------------------------------------*/
 
+#define portMEMORY_BARRIER() __asm volatile( "" ::: "memory" )
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h
index 4dede1716..3ab4ff700 100644
--- a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h
@@ -289,6 +289,8 @@ typedef struct MPU_SETTINGS
 #endif /* configENABLE_MPU */
 /*-----------------------------------------------------------*/
 
+#define portMEMORY_BARRIER() __asm volatile( "" ::: "memory" )
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
index 4dede1716..3ab4ff700 100644
--- a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h
@@ -289,6 +289,8 @@ typedef struct MPU_SETTINGS
 #endif /* configENABLE_MPU */
 /*-----------------------------------------------------------*/
 
+#define portMEMORY_BARRIER() __asm volatile( "" ::: "memory" )
+
 #ifdef __cplusplus
 }
 #endif