Support bare-metal build for NXP LPC1114

Author: toyowata

features/storage/TESTS/blockdevice/heap_block_device/main.cpp

@@ -23,6 +23,11 @@
 
 using namespace utest::v1;
 
+// TODO HACK, replace with available ram/heap property
+#if defined(TARGET_LPC1114)
+#error [NOT_SUPPORTED] Insufficient heap for heap block device tests
+#else
+
 #define TEST_BLOCK_SIZE 128
 #define TEST_BLOCK_DEVICE_SIZE 32*TEST_BLOCK_SIZE
 #define TEST_BLOCK_COUNT 10

features/storage/TESTS/blockdevice/mbr_block_device/main.cpp

@@ -24,6 +24,11 @@
 
 using namespace utest::v1;
 
+// TODO HACK, replace with available ram/heap property
+#if defined(TARGET_LPC1114)
+#error [NOT_SUPPORTED] Insufficient heap for heap block device tests
+#else
+
 #define BLOCK_COUNT 16
 #define BLOCK_SIZE 512
 

features/storage/TESTS/blockdevice/util_block_device/main.cpp

@@ -26,6 +26,11 @@
 
 using namespace utest::v1;
 
+// TODO HACK, replace with available ram/heap property
+#if defined(TARGET_LPC1114)
+#error [NOT_SUPPORTED] Insufficient heap for heap block device tests
+#else
+
 #define BLOCK_COUNT 16
 #define BLOCK_SIZE 512
 

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/TOOLCHAIN_ARM_STD/TARGET_LPC11XX/LPC1114.sct

@@ -20,4 +20,3 @@ LR_IROM1 0x00000000 0x8000  {    ; load region size_region (32k)
   ARM_LIB_STACK (0x100000C0+0xF40) EMPTY -Stack_Size { ; stack
   }
 }
-

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/TOOLCHAIN_GCC_ARM/TARGET_LPC11XX/LPC1114.ld

@@ -153,4 +153,4 @@ SECTIONS
 
     /* Check if data + heap + stack exceeds RAM limit */
     ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
-}
+}

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/TOOLCHAIN_GCC_ARM/startup_LPC11xx.S

@@ -213,4 +213,3 @@ Reset_Handler:
     def_irq_default_handler    DEF_IRQHandler
 
     .end
-

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/cmsis_nvic.c

@@ -60,8 +60,9 @@ void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     static volatile uint32_t* vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
 
     // Copy and switch to dynamic vectors if first time called
-    if((LPC_SYSCON->SYSMEMREMAP & 0x3) != 0x1) {     
-      uint32_t *old_vectors = (uint32_t *)0;         // FLASH vectors are at 0x0
+    if((LPC_SYSCON->SYSMEMREMAP & 0x3) != 0x1) {
+      // Add volatile qualifier to avoid armclang aggressive optimization
+      volatile uint32_t *old_vectors = (uint32_t *)0;         // FLASH vectors are at 0x0
       for(i = 0; i < NVIC_NUM_VECTORS; i++) {    
             vectors[i] = old_vectors[i];
         }

targets/targets.json

@@ -266,7 +266,7 @@
             "LPCTarget"
         ],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": [
             "NXP",
             "LPC11XX_11CXX",
@@ -278,7 +278,6 @@
         ],
         "supported_toolchains": [
             "ARM",
-            "uARM",
             "GCC_ARM",
             "IAR"
         ],
@@ -295,11 +294,27 @@
             "SLEEP",
             "SPI",
             "SPISLAVE",
-            "STDIO_MESSAGES"
+            "STDIO_MESSAGES",
+            "USTICKER"
         ],
-        "default_lib": "small",
+        "overrides": {
+            "tickless-from-us-ticker": true,
+            "boot-stack-size": "0x300"
+        },
+        "supported_c_libs": {
+            "arm": [
+                "std", "small"
+            ],
+            "gcc_arm": [
+                "std", "small"
+            ],
+            "iar": [
+                "std"
+            ]
+        },
+        "c_lib": "small",
         "release_versions": [
-            "2"
+            "2", "5"
         ],
         "device_name": "LPC1114FN28/102",
         "detect_code": [