Start point for RX62N port layer for IAR - not necessarily complete yet.
diff --git a/Source/portable/IAR/RX600/port.c b/Source/portable/IAR/RX600/port.c
new file mode 100644
index 0000000..fedf97e
--- /dev/null
+++ b/Source/portable/IAR/RX600/port.c
@@ -0,0 +1,215 @@
+/*
+ FreeRTOS V6.0.5 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+/*-----------------------------------------------------------
+ * Implementation of functions defined in portable.h for the SH2A port.
+ *----------------------------------------------------------*/
+
+/* Scheduler includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Library includes. */
+#include "string.h"
+
+/* Hardware specifics. */
+#include <iorx62n.h>
+
+/*-----------------------------------------------------------*/
+
+/* Tasks should start with interrupts enabled and in Supervisor mode, therefore
+PSW is set with U and I set, and PM and IPL clear. */
+#define portINITIAL_PSW ( ( portSTACK_TYPE ) 0x00030000 )
+#define portINITIAL_FPSW ( ( portSTACK_TYPE ) 0x00000100 )
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Function to start the first task executing - written in asm code as direct
+ * access to registers is required.
+ */
+extern void prvStartFirstTask( void );
+
+/*
+ * The tick ISR handler. The peripheral used is configured by the application
+ * via a hook/callback function.
+ */
+__interrupt void vTickISR( void );
+
+/*-----------------------------------------------------------*/
+
+extern void *pxCurrentTCB;
+
+/*-----------------------------------------------------------*/
+
+/*
+ * See header file for description.
+ */
+portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
+{
+ /* R0 is not included as it is the stack pointer. */
+
+ *pxTopOfStack = 0xdeadbeef;
+ pxTopOfStack--;
+ *pxTopOfStack = portINITIAL_PSW;
+ pxTopOfStack--;
+ *pxTopOfStack = ( portSTACK_TYPE ) pxCode;
+
+ /* When debugging it can be useful if every register is set to a known
+ value. Otherwise code space can be saved by just setting the registers
+ that need to be set. */
+ #ifdef USE_FULL_REGISTER_INITIALISATION
+ {
+ pxTopOfStack--;
+ *pxTopOfStack = 0xffffffff; /* r15. */
+ pxTopOfStack--;
+ *pxTopOfStack = 0xeeeeeeee;
+ pxTopOfStack--;
+ *pxTopOfStack = 0xdddddddd;
+ pxTopOfStack--;
+ *pxTopOfStack = 0xcccccccc;
+ pxTopOfStack--;
+ *pxTopOfStack = 0xbbbbbbbb;
+ pxTopOfStack--;
+ *pxTopOfStack = 0xaaaaaaaa;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x99999999;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x88888888;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x77777777;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x66666666;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x55555555;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x44444444;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x33333333;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x22222222;
+ pxTopOfStack--;
+ }
+ #else
+ {
+ pxTopOfStack -= 15;
+ }
+ #endif
+
+ *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R1 */
+ pxTopOfStack--;
+ *pxTopOfStack = portINITIAL_FPSW;
+ pxTopOfStack--;
+ *pxTopOfStack = 0x12345678; /* Accumulator. */
+ pxTopOfStack--;
+ *pxTopOfStack = 0x87654321; /* Accumulator. */
+
+ return pxTopOfStack;
+}
+/*-----------------------------------------------------------*/
+
+portBASE_TYPE xPortStartScheduler( void )
+{
+extern void vApplicationSetupTimerInterrupt( void );
+
+ /* Use pxCurrentTCB just so it does not get optimised away. */
+ if( pxCurrentTCB != NULL )
+ {
+ /* Call an application function to set up the timer that will generate the
+ tick interrupt. This way the application can decide which peripheral to
+ use. A demo application is provided to show a suitable example. */
+ vApplicationSetupTimerInterrupt();
+
+ /* Enable the software interrupt. */
+ _IEN( _ICU_SWINT ) = 1;
+
+ /* Ensure the software interrupt is clear. */
+ _IR( _ICU_SWINT ) = 0;
+
+ /* Ensure the software interrupt is set to the kernel priority. */
+ _IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;
+
+ /* Start the first task. */
+ prvStartFirstTask();
+ }
+
+ /* Should not get here. */
+ return pdFAIL;
+}
+/*-----------------------------------------------------------*/
+
+#pragma vector = VECT_CMT0_CMI0
+__interrupt void vTickISR( void )
+{
+ /* Re-enable interrupts. */
+ __enable_interrupt();
+
+ /* Increment the tick, and perform any processing the new tick value
+ necessitates. */
+ vTaskIncrementTick();
+
+ /* Only select a new task if the preemptive scheduler is being used. */
+ #if( configUSE_PREEMPTION == 1 )
+ taskYIELD();
+ #endif
+}
+/*-----------------------------------------------------------*/
+
+void vPortEndScheduler( void )
+{
+ /* Not implemented as there is nothing to return to. */
+}
+/*-----------------------------------------------------------*/
+
+
+
diff --git a/Source/portable/IAR/RX600/port_asm.s b/Source/portable/IAR/RX600/port_asm.s
new file mode 100644
index 0000000..f057dee
--- /dev/null
+++ b/Source/portable/IAR/RX600/port_asm.s
@@ -0,0 +1,185 @@
+/*
+ FreeRTOS V6.0.5 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+ PUBLIC _prvStartFirstTask
+ PUBLIC _vSoftwareInterruptISR
+
+ EXTERN _pxCurrentTCB
+ EXTERN _vTaskSwitchContext
+
+ RSEG CODE:CODE(4)
+
+_prvStartFirstTask:
+
+ /* When starting the scheduler there is nothing that needs moving to the
+ interrupt stack because the function is not called from an interrupt.
+ Just ensure the current stack is the user stack. */
+ SETPSW U
+
+ /* Obtain the location of the stack associated with which ever task
+ pxCurrentTCB is currently pointing to. */
+ MOV.L #_pxCurrentTCB, R15
+ MOV.L [R15], R15
+ MOV.L [R15], R0
+
+ /* Restore the registers from the stack of the task pointed to by
+ pxCurrentTCB. */
+ POP R15
+
+ /* Accumulator low 32 bits. */
+ MVTACLO R15
+ POP R15
+
+ /* Accumulator high 32 bits. */
+ MVTACHI R15
+ POP R15
+
+ /* Floating point status word. */
+ MVTC R15, FPSW
+
+ /* R1 to R15 - R0 is not included as it is the SP. */
+ POPM R1-R15
+
+ /* This pops the remaining registers. */
+ RTE
+ NOP
+ NOP
+
+/*-----------------------------------------------------------*/
+
+_vSoftwareInterruptISR:
+
+ /* Re-enable interrupts. */
+ SETPSW I
+
+ /* Move the data that was automatically pushed onto the interrupt stack when
+ the interrupt occurred from the interrupt stack to the user stack.
+
+ R15 is saved before it is clobbered. */
+ PUSH.L R15
+
+ /* Read the user stack pointer. */
+ MVFC USP, R15
+
+ /* Move the address down to the data being moved. */
+ SUB #12, R15
+ MVTC R15, USP
+
+ /* Copy the data across, R15, then PC, then PSW. */
+ MOV.L [ R0 ], [ R15 ]
+ MOV.L 4[ R0 ], 4[ R15 ]
+ MOV.L 8[ R0 ], 8[ R15 ]
+
+ /* Move the interrupt stack pointer to its new correct position. */
+ ADD #12, R0
+
+ /* All the rest of the registers are saved directly to the user stack. */
+ SETPSW U
+
+ /* Save the rest of the general registers (R15 has been saved already). */
+ PUSHM R1-R14
+
+ /* Save the FPSW and accumulator. */
+ MVFC FPSW, R15
+ PUSH.L R15
+ MVFACHI R15
+ PUSH.L R15
+
+ /* Middle word. */
+ MVFACMI R15
+
+ /* Shifted left as it is restored to the low order word. */
+ SHLL #16, R15
+ PUSH.L R15
+
+ /* Save the stack pointer to the TCB. */
+ MOV.L #_pxCurrentTCB, R15
+ MOV.L [ R15 ], R15
+ MOV.L R0, [ R15 ]
+
+ /* Ensure the interrupt mask is set to the syscall priority while the kernel
+ structures are being accessed. */
+ MVTIPL #4
+
+ /* Select the next task to run. */
+ BSR.A _vTaskSwitchContext
+
+ /* Reset the interrupt mask as no more data structure access is required. */
+ MVTIPL #1
+
+ /* Load the stack pointer of the task that is now selected as the Running
+ state task from its TCB. */
+ MOV.L #_pxCurrentTCB,R15
+ MOV.L [ R15 ], R15
+ MOV.L [ R15 ], R0
+
+ /* Restore the context of the new task. The PSW (Program Status Word) and
+ PC will be popped by the RTE instruction. */
+ POP R15
+ MVTACLO R15
+ POP R15
+ MVTACHI R15
+ POP R15
+ MVTC R15, FPSW
+ POPM R1-R15
+ RTE
+ NOP
+ NOP
+
+ /*:: i(configMAX_SYSCALL_INTERRUPT_PRIORITY), i(configKERNEL_INTERRUPT_PRIORITY)*/
+/*-----------------------------------------------------------*/
+
+
+
+ END
+
diff --git a/Source/portable/IAR/RX600/portmacro.h b/Source/portable/IAR/RX600/portmacro.h
new file mode 100644
index 0000000..a8444df
--- /dev/null
+++ b/Source/portable/IAR/RX600/portmacro.h
@@ -0,0 +1,138 @@
+/*
+ FreeRTOS V6.0.5 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+#include <intrinsics.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*-----------------------------------------------------------
+ * Port specific definitions.
+ *
+ * The settings in this file configure FreeRTOS correctly for the
+ * given hardware and compiler.
+ *
+ * These settings should not be altered.
+ *-----------------------------------------------------------
+ */
+
+/* Type definitions - these are a bit legacy and not really used now, other than
+portSTACK_TYPE and portBASE_TYPE. */
+#define portCHAR char
+#define portFLOAT float
+#define portDOUBLE double
+#define portLONG long
+#define portSHORT short
+#define portSTACK_TYPE unsigned portLONG
+#define portBASE_TYPE long
+
+#if( configUSE_16_BIT_TICKS == 1 )
+ typedef unsigned portSHORT portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffff
+#else
+ typedef unsigned portLONG portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffffffff
+#endif
+/*-----------------------------------------------------------*/
+
+/* Hardware specifics. */
+#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */
+#define portSTACK_GROWTH -1
+#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
+#define portNOP() __no_operation()
+
+/* The location of the software interrupt register. Software interrupts use
+vector 27. */
+#define portITU_SWINTR ( ( unsigned char * ) 0x000872E0 )
+#define portYIELD() *portITU_SWINTR = 0x01; portNOP(); portNOP(); portNOP(); portNOP(); portNOP()
+#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD()
+
+/*
+ * These macros should be called directly, but through the taskENTER_CRITICAL()
+ * and taskEXIT_CRITICAL() macros.
+ */
+#define portENABLE_INTERRUPTS() __set_interrupt_level( 0 )
+#define portDISABLE_INTERRUPTS() __set_interrupt_level( configMAX_SYSCALL_INTERRUPT_PRIORITY )
+
+/* Critical nesting counts are stored in the TCB. */
+#define portCRITICAL_NESTING_IN_TCB ( 1 )
+
+/* The critical nesting functions defined within tasks.c. */
+extern void vTaskEnterCritical( void );
+extern void vTaskExitCritical( void );
+#define portENTER_CRITICAL() vTaskEnterCritical();
+#define portEXIT_CRITICAL() vTaskExitCritical();
+
+/* As this port allows interrupt nesting... */
+unsigned long ulPortGetIPL( void );
+void vPortSetIPL( unsigned long ulNewIPL );
+#define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( uxSavedInterruptStatus )
+
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTMACRO_H */
+
