Make changes for Cortex-A5 support

Author: Meano

platform/include/platform/mbed_application.h

@@ -21,7 +21,7 @@
 #include<stdint.h>
 
 #if defined(__CORTEX_M0PLUS) || defined(__CORTEX_M3) || defined(__CORTEX_M4) || defined(__CORTEX_M7)\
-    || defined(__CORTEX_M23) || defined(__CORTEX_A9) || defined(__CORTEX_M33)
+    || defined(__CORTEX_M23) || defined(__CORTEX_A9) || defined(__CORTEX_A5) || defined(__CORTEX_M33)
 #define MBED_APPLICATION_SUPPORT 1
 #else
 #define MBED_APPLICATION_SUPPORT 0

platform/source/mbed_application.c

@@ -23,7 +23,7 @@
 
 #if MBED_APPLICATION_SUPPORT
 
-#if defined(__CORTEX_A9)
+#if defined(__CORTEX_A9) || defined(__CORTEX_A5)
 
 static void powerdown_gic(void);
 

platform/source/mbed_wait_api_no_rtos.c

@@ -91,7 +91,7 @@ void wait_us(int us)
 #define LOOP_SCALER 2000
 #endif
 #elif defined __CORTEX_A
-#if __CORTEX_A == 9
+#if __CORTEX_A == 9 || __CORTEX_A == 5
 // Cortex-A9 can dual issue for 3 cycles per iteration (SUB,NOP) = 1, (NOP,BCS) = 2
 #define LOOP_SCALER 3000
 #endif

platform/tests/TESTS/mbed_platform/stats_cpu/main.cpp

@@ -33,7 +33,7 @@ DigitalOut led1(LED1);
 #endif
 
 // Targets with these cores have their RAM enough size to create threads with bigger stacks
-#if defined(__CORTEX_A9) || defined(__CORTEX_M23) || defined(__CORTEX_M33) || defined(__CORTEX_M7)
+#if defined(__CORTEX_A9) || defined(__CORTEX_A5) || defined(__CORTEX_M23) || defined(__CORTEX_M33) || defined(__CORTEX_M7)
 #define MAX_THREAD_STACK        512
 #else
 #define MAX_THREAD_STACK        384

rtos/tests/TESTS/mbed_rtos/malloc/main.cpp

@@ -32,7 +32,7 @@ volatile bool thread_should_continue = true;
 #define NUM_THREADS         4
 #define THREAD_MALLOC_SIZE  100
 
-#if defined(__CORTEX_A9)
+#if defined(__CORTEX_A9) || defined(__CORTEX_A5)
 #define THREAD_STACK_SIZE   512
 #elif defined(__CORTEX_M23) || defined(__CORTEX_M33)
 #define THREAD_STACK_SIZE   512

rtos/tests/TESTS/mbed_rtos/threads/main.cpp

@@ -32,7 +32,7 @@
 #include <type_traits>
 
 #define THREAD_STACK_SIZE 512
-#if defined(__CORTEX_A9) || defined(__CORTEX_M23) || defined(__CORTEX_M33) || defined(TARGET_ARM_FM) ||  defined(TARGET_CY8CKIT_062_WIFI_BT_PSA)
+#if defined(__CORTEX_A9) || defined(__CORTEX_A5) || defined(__CORTEX_M23) || defined(__CORTEX_M33) || defined(TARGET_ARM_FM) ||  defined(TARGET_CY8CKIT_062_WIFI_BT_PSA)
 #define PARALLEL_THREAD_STACK_SIZE 512
 #define CHILD_THREAD_STACK_SIZE 512
 #else

tools/cmake/cores/Cortex-A5.cmake

@@ -0,0 +1,30 @@
+# Copyright (c) 2020-2021 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+if(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM")
+    list(APPEND common_options
+        "-mthumb-interwork"
+        "-marm"
+        "-mfpu=vfpv3"
+        "-mfloat-abi=softfp"
+        "-mno-unaligned-access"
+        "-mcpu=cortex-a5"
+    )
+elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
+    list(APPEND common_options
+        "-mfpu=vfpv3"
+        "-mfloat-abi=hard"
+        "-mcpu=cortex-a5"
+    )
+endif()
+
+function(mbed_set_cpu_core_definitions target)
+    target_compile_definitions(${target}
+        INTERFACE
+            __CORTEX_A5
+            ARM_MATH_CA5
+            __FPU_PRESENT
+            __CMSIS_RTOS
+            __EVAL
+    )
+endfunction()

tools/cmake/mbed_toolchain.cmake

@@ -25,6 +25,8 @@ endfunction()
 # Set the system processor depending on the CPU core type
 if (MBED_CPU_CORE STREQUAL Cortex-A9)
     set(CMAKE_SYSTEM_PROCESSOR cortex-a9)
+elseif (MBED_CPU_CORE STREQUAL Cortex-A5)
+    set(CMAKE_SYSTEM_PROCESSOR cortex-a5)
 elseif (MBED_CPU_CORE STREQUAL Cortex-M0+)
     set(CMAKE_SYSTEM_PROCESSOR cortex-m0plus)
 elseif (MBED_CPU_CORE STREQUAL Cortex-M0)

tools/targets/__init__.py

@@ -49,6 +49,7 @@
     "Cortex-M7F": ["M7", "CORTEX_M", "RTOS_M4_M7", "LIKE_CORTEX_M7", "CORTEX"],
     "Cortex-M7FD": ["M7", "CORTEX_M", "RTOS_M4_M7", "LIKE_CORTEX_M7",
                     "CORTEX"],
+    "Cortex-A5": ["A5", "CORTEX_A", "LIKE_CORTEX_A5", "CORTEX"],
     "Cortex-A9": ["A9", "CORTEX_A", "LIKE_CORTEX_A9", "CORTEX"],
     "Cortex-M23": ["M23", "CORTEX_M", "LIKE_CORTEX_M23", "CORTEX"],
     "Cortex-M23-NS": ["M23", "M23_NS", "CORTEX_M", "LIKE_CORTEX_M23",
@@ -74,6 +75,7 @@
     "Cortex-M7": 7,
     "Cortex-M7F": 7,
     "Cortex-M7FD": 7,
+    "Cortex-A5": 7,
     "Cortex-A9": 7,
     "Cortex-M23": 8,
     "Cortex-M23-NS": 8,

tools/toolchains/mbed_toolchain.py

@@ -80,6 +80,8 @@
                         "__CMSIS_RTOS"],
     "Cortex-M7FD":     ["__CORTEX_M7", "ARM_MATH_CM7", "__FPU_PRESENT=1",
                         "__CMSIS_RTOS"],
+    "Cortex-A5":       ["__CORTEX_A5", "ARM_MATH_CA5", "__FPU_PRESENT",
+                        "__CMSIS_RTOS", "__EVAL"],
     "Cortex-A9":       ["__CORTEX_A9", "ARM_MATH_CA9", "__FPU_PRESENT",
                         "__CMSIS_RTOS", "__EVAL"],
     "Cortex-M23-NS":   ["__CORTEX_M23", "ARM_MATH_ARMV8MBL", "DOMAIN_NS=1",