Xtensa/ESP32: Move some ESP32-specific macros from xtensa_macros.h to chip_macros.h

arch/xtensa/src/common/xtensa_macros.h

@@ -38,29 +38,13 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
+#include chip_macros.h"
 
 /****************************************************************************
  * Assembly Language Macros
  ****************************************************************************/
 
 #ifdef __ASSEMBLY__
-
-/* Macro to get the current core ID. Only uses the reg given as an argument.
- * Reading PRID on the ESP108 architecture gives us 0xcdcd on the PRO
- * processor and 0xabab on the APP CPU. We distinguish between the two by
- * simply checking bit 1: it's 1 on the APP and 0 on the PRO processor.
- */
-
-	.macro		getcoreid reg
-	rsr.prid	\reg
-	bbci		\reg,1,1f
-	movi		\reg,1
-	j			2f
-1:
-	movi		\reg,0
-2:
-	.endm
-
 /* Macros to handle ABI specifics of function entry and return.
  *
  * Convenient where the frame size requirements are the same for both ABIs.

arch/xtensa/src/esp32/chip_macros.h

@@ -0,0 +1,65 @@
+/****************************************************************************
+ * arch/xtensa/src/esp32/chip_macros.h
+ *
+ * Adapted from use in NuttX by:
+ *
+ *   Copyright (C) 2016 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Derives from logic originally provided by Cadence Design Systems Inc.
+ *
+ *   Copyright (c) 2006-2015 Cadence Design Systems Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ****************************************************************************/
+
+#ifndef __ARCH_XTENSA_SRC_ESP32_CHIP_MACROS_H
+#define __ARCH_XTENSA_SRC_ESP32_CHIP_MACROS_H 1
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Assembly Language Macros
+ ****************************************************************************/
+
+#ifdef __ASSEMBLY__
+
+/* Macro to get the current core ID. Only uses the reg given as an argument.
+ * Reading PRID on the ESP108 architecture gives us 0xcdcd on the PRO
+ * processor and 0xabab on the APP CPU. We distinguish between the two by
+ * simply checking bit 1: it's 1 on the APP and 0 on the PRO processor.
+ */
+
+	.macro		getcoreid reg
+	rsr.prid	\reg
+	bbci		\reg, 1, 1f
+	movi		\reg, 1
+	j			2f
+1:
+	movi		\reg, 0
+2:
+	.endm
+
+#endif /* __ASSEMBLY */
+#endif /* __ARCH_XTENSA_SRC_ESP32_CHIP_MACROS_H */