Add Renesas RXv3 port layer supporting RXv3's double precision FPU (#104)

portable/Renesas/RX700v3_DPFPU/port_asm.src

@@ -0,0 +1,41 @@
+;/*
+; * FreeRTOS Kernel V10.3.1
+; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+; *
+; * 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.
+; *
+; * http://www.FreeRTOS.org
+; * http://aws.amazon.com/freertos
+; *
+; * 1 tab == 4 spaces!
+; */
+		.GLB	_vSoftwareInterruptISR
+		.GLB    _vSoftwareInterruptEntry
+
+		.SECTION   P,CODE
+
+_vSoftwareInterruptEntry:
+
+	BRA	_vSoftwareInterruptISR
+
+		.RVECTOR	27, _vSoftwareInterruptEntry
+
+		.END
+
+
+