Initial public version

components/esp32/include/esp_attr.h

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+// 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.
+#ifndef __ESP_ATTR_H__
+#define __ESP_ATTR_H__
+
+#define ROMFN_ATTR
+
+//Normally, the linker script will put all code and rodata in flash,
+//and all variables in shared RAM. This can be redirected to IRAM if
+//needed using these macros.
+
+//Forces data and flash into IRAM instead of flash / shared RAM
+#define IRAM_ATTR __attribute__((section(".iram1")))
+#define DRAM_ATTR __attribute__((section(".dram1")))
+
+//Forces data and flash into the IRAM section of a specific core.
+//Normally, you shouldn't have to use this: the linker will take care of
+//only linking in the functions for that specific core.
+#define IRAM_C0_ATTR __attribute__((section(".iram1pro")))
+#define DRAM_C0_ATTR __attribute__((section(".iram1pro")))
+#define IRAM_C1_ATTR __attribute__((section(".dram1app")))
+#define DRAM_C1_ATTR __attribute__((section(".dram1app")))
+
+#endif /* __ESP_ATTR_H__ */