heap: Remove TLSF related files and replace them with the tlsf submodule

As the tlsf implementation is a fork from https://github.com/mattconte/tlsf,
the sources are moved to a separate repository and used as a submodule in the esp-idf instead.

In this commit:
- Removing TLSF related files and using tlsf submodule instead.

- Adding components/heap/tlsf_platform.h header gathering all IDF specifics.

- The multi_heap_poisoning.c provides the declaration of the
function block_absorb_post_hook() definied weak in the TLSF repository.

- The tlsf_platform.h includes the tlsf_common.h file after the definition
of FL_INDEX_MAX_PLATFORM macro to make sure that this macro will be available
in tlsf_common.h without having to include tlaf_platform.h from IDF in the
tlsf_common.h header from the TLSF repository.

- Add missing include from tlsf_block_functions.h in the multi_heap.c file.
Change related to the changes made in TLSF repository (tlsf_block_functions.h
no longer included in tlsf.h)

.gitlab/ci/rules.yml

@@ -172,6 +172,7 @@
   - "components/spiffs/spiffs"
   - "components/tinyusb/tinyusb"
   - "components/unity/unity"
+  - "components/heap/tlsf"
   - "examples/peripherals/secure_element/atecc608_ecdsa/components/esp-cryptoauthlib"
   - ".gitmodules"
 

.gitmodules

@@ -86,3 +86,7 @@
 [submodule "components/bt/controller/lib_esp32c2/esp32c2-bt-lib"]
 	path = components/bt/controller/lib_esp32c2/esp32c2-bt-lib
 	url = ../../espressif/esp32c2-bt-lib.git
+
+[submodule "components/heap/tlsf"]
+	path = components/heap/tlsf
+	url = ../../espressif/tlsf.git

components/heap/CMakeLists.txt

@@ -3,8 +3,16 @@ set(srcs
     "heap_caps_init.c"
     "multi_heap.c")
 
+set(includes "include")
+
 if(NOT CONFIG_HEAP_TLSF_USE_ROM_IMPL)
-    list(APPEND srcs "heap_tlsf.c")
+    set(priv_includes "tlsf")
+    list(APPEND srcs "tlsf/tlsf.c")
+    if(NOT CMAKE_BUILD_EARLY_EXPANSION)
+        set_source_files_properties(tlsf/tlsf.c
+                                    PROPERTIES COMPILE_FLAGS
+                                    "-include ../tlsf_platform.h")
+    endif()
 endif()
 
 if(NOT CONFIG_HEAP_POISONING_DISABLED)
@@ -31,7 +39,8 @@ endif()
 
 
 idf_component_register(SRCS "${srcs}"
-                    INCLUDE_DIRS include
+                    INCLUDE_DIRS ${includes}
+                    PRIV_INCLUDE_DIRS ${priv_includes}
                     LDFRAGMENTS linker.lf
                     PRIV_REQUIRES soc)
 

components/heap/heap_private.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #pragma once
 
 #include <stdlib.h>

components/heap/heap_task_info.c

@@ -1,16 +1,8 @@
-// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include <freertos/FreeRTOS.h>
 #include <freertos/task.h>