feat: rebuild heap4 card around upstream FreeRTOS allocator

include/host-shim/FreeRTOS.h

@@ -0,0 +1,50 @@
+#ifndef HEAP4_HOST_FREERTOS_H
+#define HEAP4_HOST_FREERTOS_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef int BaseType_t;
+typedef uintptr_t portPOINTER_SIZE_TYPE;
+
+typedef struct xHeapStats {
+    size_t xAvailableHeapSpaceInBytes;
+    size_t xSizeOfLargestFreeBlockInBytes;
+    size_t xSizeOfSmallestFreeBlockInBytes;
+    size_t xNumberOfFreeBlocks;
+    size_t xMinimumEverFreeBytesRemaining;
+    size_t xNumberOfSuccessfulAllocations;
+    size_t xNumberOfSuccessfulFrees;
+} HeapStats_t;
+
+#define configSUPPORT_DYNAMIC_ALLOCATION 1
+#define configTOTAL_HEAP_SIZE ((size_t)4096U)
+#define configAPPLICATION_ALLOCATED_HEAP 1
+#define configUSE_MALLOC_FAILED_HOOK 1
+#define configHEAP_CLEAR_MEMORY_ON_FREE 0
+#define configENABLE_HEAP_PROTECTOR 0
+
+#define portBYTE_ALIGNMENT 8U
+#define portBYTE_ALIGNMENT_MASK (portBYTE_ALIGNMENT - 1U)
+#define portMAX_DELAY (~(size_t)0U)
+
+#define PRIVILEGED_DATA
+#define PRIVILEGED_FUNCTION
+#define mtCOVERAGE_TEST_MARKER() do { } while (0)
+#define traceMALLOC(pointer, size) do { (void)(pointer); (void)(size); } while (0)
+#define traceFREE(pointer, size) do { (void)(pointer); (void)(size); } while (0)
+#define taskENTER_CRITICAL() do { } while (0)
+#define taskEXIT_CRITICAL() do { } while (0)
+
+void heap4_lab_assert(const char *file, int line);
+void vApplicationMallocFailedHook(void);
+void *pvPortMalloc(size_t wanted_size);
+void vPortFree(void *pointer);
+size_t xPortGetFreeHeapSize(void);
+size_t xPortGetMinimumEverFreeHeapSize(void);
+void vPortGetHeapStats(HeapStats_t *stats);
+void vPortHeapResetState(void);
+#define configASSERT(condition) \
+    do { if (!(condition)) heap4_lab_assert(__FILE__, __LINE__); } while (0)
+
+#endif

include/host-shim/task.h

@@ -0,0 +1,9 @@
+#ifndef HEAP4_HOST_TASK_H
+#define HEAP4_HOST_TASK_H
+
+#include "FreeRTOS.h"
+
+void vTaskSuspendAll(void);
+BaseType_t xTaskResumeAll(void);
+
+#endif