initial commit

esp32/scripts/resources/alloc_fix.cpp

@@ -0,0 +1,46 @@
+// Copyright (C) 2018 Intel Corporation
+//
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "ade/memory/alloc.hpp"
+
+#if defined(_WIN32) || defined(__ANDROID__) || defined(ANDROID) || defined(ESP32)
+#include <malloc.h>
+#else
+#include <algorithm>
+#include <stdlib.h>
+#endif
+
+#include "ade/util/math.hpp"
+#include "ade/util/assert.hpp"
+
+namespace ade
+{
+
+void* aligned_alloc(std::size_t size, std::size_t alignment)
+{
+    ADE_ASSERT(util::is_pow2(alignment));
+#if defined(_WIN32)
+    return _aligned_malloc(size, alignment);
+#elif defined(__ANDROID__) || defined(ANDROID) || defined(ESP32)
+    return memalign(alignment, size);
+#else
+    void* ret = nullptr;
+    auto res = posix_memalign(&ret, std::max(sizeof(void*), alignment), size);
+    (void)res;
+    return ret;
+#endif
+}
+
+void aligned_free(void* ptr)
+{
+#if defined(_WIN32)
+    return _aligned_free(ptr);
+#else
+    return free(ptr);
+#endif
+}
+
+}

esp32/scripts/resources/toolchain-esp32.cmake

@@ -0,0 +1,13 @@
+set(CMAKE_SYSTEM_NAME Generic)
+
+set( ESP32 True )
+
+set(CMAKE_C_COMPILER xtensa-esp32-elf-gcc)
+set(CMAKE_CXX_COMPILER xtensa-esp32-elf-g++)
+set(CMAKE_ASM_COMPILER xtensa-esp32-elf-gcc)
+
+set(CMAKE_C_FLAGS "-mlongcalls -Wno-frame-address" CACHE STRING "C Compiler Base Flags")
+set(CMAKE_CXX_FLAGS "-mlongcalls -Wno-frame-address" CACHE STRING "C++ Compiler Base Flags")
+
+# Can be removed after gcc 5.2.0 support is removed (ref GCC_NOT_5_2_0)
+set(CMAKE_EXE_LINKER_FLAGS "-nostdlib" CACHE STRING "Linker Base Flags")