diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c
new file mode 100644
index 0000000..cefd2aa
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c
@@ -0,0 +1,52 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+/**
+ * \file
+ * \brief   exception processing for freertos
+ */
+
+// #include "embARC.h"
+
+#include "arc_freertos_exceptions.h"
+
+#ifdef __GNU__
+extern void gnu_printf_setup(void);
+#endif
+/**
+ * \brief  freertos related cpu exception initialization, all the interrupts handled by freertos must be not
+ * fast irqs. If fiq is needed, please install the default firq_exc_entry or your own fast irq entry into
+ * the specific interrupt exception.
+ */
+void freertos_exc_init(void)
+{
+
+#ifdef __GNU__
+    gnu_printf_setup();
+#endif
+
+}
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h
new file mode 100644
index 0000000..ae398f4
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h
@@ -0,0 +1,45 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+#ifndef ARC_FREERTOS_EXCEPTIONS_H
+#define ARC_FREERTOS_EXCEPTIONS_H
+
+/*
+ * here, all arc cpu exceptions share the same entry, also for all interrupt
+ * exceptions
+ */
+extern void exc_entry_cpu(void);    /* cpu exception entry for freertos */
+extern void exc_entry_int(void);    /* int exception entry for freertos */
+
+/* task dispatch functions in .s */
+extern void start_r(void);
+extern void start_dispatch();
+extern void dispatch();
+
+extern void freertos_exc_init(void);
+
+#endif  /* ARC_FREERTOS_EXCEPTIONS_H */
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s
new file mode 100644
index 0000000..27aa5fe
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s
@@ -0,0 +1,521 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+/**
+ * \file
+ * \ingroup OS_FREERTOS
+ * \brief  freertos support for arc processor
+ *	like task dispatcher, interrupt handler
+ */
+/** @cond OS_FREERTOS_ASM_ARC_SUPPORT */
+
+/*
+ * core-dependent part in assemble language (for arc)
+ */
+#define __ASSEMBLY__
+#include "arc/arc.h"
+#include "arc/arc_asm_common.h"
+
+/*
+ *  task dispatcher
+ *
+ */
+	.text
+	.align 4
+	.global dispatch
+dispatch:
+/*
+ *  the pre-conditions of this routine are task context, CPU is
+ *  locked, dispatch is enabled.
+ */
+	SAVE_NONSCRATCH_REGS		/* save callee save registers */
+	mov	r1, dispatch_r
+	PUSH	r1			/* save return address */
+	ld	r0, [pxCurrentTCB]
+	bl	dispatcher
+
+/* return routine when task dispatch happened in task context */
+dispatch_r:
+	RESTORE_NONSCRATCH_REGS		/* recover registers */
+	j	[blink]
+
+/*
+ *  start dispatch
+ */
+	.global start_dispatch
+	.align 4
+start_dispatch:
+/*
+ *  this routine is called in the non-task context during the startup of the kernel
+ *  , and all the interrupts are locked.
+ *
+ *  when the dispatcher is called, the cpu is locked, no nest exception (CPU exception/interrupt).
+ *  In target_initialize, all interrupt priority mask should be cleared, cpu should be
+ *  locked, the interrupts outside the kernel such as fiq can be
+ *  enabled.
+ */
+	clri
+	mov	r0, 0
+	st	r0, [exc_nest_count]
+	b	dispatcher_0
+/*
+ *  dispatcher
+ */
+dispatcher:
+	ld	r1, [ulCriticalNesting]
+	PUSH	r1			/* save critical nesting */
+	st	sp, [r0]		/* save stack pointer of current task, r0->pxCurrentTCB */
+	jl	vTaskSwitchContext	/* change the value of pxCurrentTCB */
+/*
+ *  before dispatcher is called, task context | cpu locked | dispatch enabled
+ *  should be satisfied. In this routine, the processor will jump
+ *  into the entry of next to run task
+ *
+ *  i.e. kernel mode, IRQ disabled, dispatch enabled
+ */
+dispatcher_0:
+	ld	r1, [pxCurrentTCB]
+	ld	sp, [r1]	/* recover task stack */
+#if ARC_FEATURE_STACK_CHECK
+#if ARC_FEATURE_SEC_PRESENT
+	lr r0, [AUX_SEC_STAT]
+	bclr r0, r0, AUX_SEC_STAT_BIT_SSC
+	sflag r0
+#else
+	lr r0, [AUX_STATUS32]
+	bclr r0, r0, AUX_STATUS_BIT_SC
+	kflag r0
+#endif
+	jl	vPortSetStackCheck
+#if ARC_FEATURE_SEC_PRESENT
+	lr r0, [AUX_SEC_STAT]
+	bset r0, r0, AUX_SEC_STAT_BIT_SSC
+	sflag r0
+#else
+	lr r0, [AUX_STATUS32]
+	bset r0, r0, AUX_STATUS_BIT_SC
+	kflag r0
+#endif
+#endif
+	POP	r0		/* get critical nesting */
+	st	r0, [ulCriticalNesting]
+	POP	r0		/* get return address  */
+	j	[r0]
+
+/*
+ *  task startup routine
+ *
+ */
+	.text
+	.global start_r
+	.align 4
+start_r:
+	seti	/* unlock cpu */
+	mov	blink, vPortEndTask	/* set return address */
+	POP	r1			/* get task function body */
+	POP	r0			/* get task parameters */
+	j	[r1]
+
+/****** exceptions and interrupts handing ******/
+/****** entry for exception handling ******/
+	.global exc_entry_cpu
+	.align 4
+exc_entry_cpu:
+
+	EXCEPTION_PROLOGUE
+
+	mov	blink,	sp
+	mov	r3, sp		/* as exception handler's para(p_excinfo) */
+
+	ld	r0, [exc_nest_count]
+	add	r1, r0, 1
+	st	r1, [exc_nest_count]
+	brne	r0, 0, exc_handler_1
+/* change to exception stack if interrupt happened in task context */
+	mov	sp, _e_stack
+exc_handler_1:
+	PUSH	blink
+
+	lr	r0, [AUX_ECR]
+	lsr	r0, r0, 16
+	mov	r1, exc_int_handler_table
+	ld.as	r2, [r1, r0]
+
+	mov	r0, r3
+	jl	[r2]		/* !!!!jump to exception handler where interrupts are not allowed! */
+
+/* interrupts are not allowed */
+ret_exc:
+	POP	sp
+	mov	r1, exc_nest_count
+	ld	r0, [r1]
+	sub	r0, r0, 1
+	st 	r0, [r1]
+	brne	r0, 0, ret_exc_1 /* nest exception case */
+	lr	r1, [AUX_IRQ_ACT] /* nest interrupt case */
+	brne	r1, 0, ret_exc_1
+
+	ld	r0, [context_switch_reqflg]
+	brne	r0, 0, ret_exc_2
+ret_exc_1:	/* return from non-task context, interrupts or exceptions are nested */
+
+	EXCEPTION_EPILOGUE
+	rtie
+
+/* there is a dispatch request */
+ret_exc_2:
+	/* clear dispatch request */
+	mov	r0, 0
+	st	r0, [context_switch_reqflg]
+
+	ld	r0, [pxCurrentTCB]
+	breq	r0, 0, ret_exc_1
+
+	SAVE_CALLEE_REGS	/* save callee save registers */
+
+	lr	r0, [AUX_STATUS32]
+	bclr	r0, r0, AUX_STATUS_BIT_AE	/* clear exception bit */
+	kflag	r0
+
+	mov	r1, ret_exc_r	/* save return address */
+	PUSH	r1
+
+	bl	dispatcher	/* r0->pxCurrentTCB */
+
+ret_exc_r:
+	/* recover exception status */
+	lr	r0, [AUX_STATUS32]
+	bset	r0, r0, AUX_STATUS_BIT_AE
+	kflag	r0
+
+	RESTORE_CALLEE_REGS	/* recover registers */
+	EXCEPTION_EPILOGUE
+	rtie
+
+/****** entry for normal interrupt exception handling ******/
+	.global exc_entry_int	/* entry for interrupt handling */
+	.align 4
+exc_entry_int:
+#if ARC_FEATURE_FIRQ == 1
+#if ARC_FEATURE_RGF_NUM_BANKS > 1
+	lr	r0, [AUX_IRQ_ACT]			/*  check whether it is P0 interrupt */
+	btst	r0, 0
+	jnz	exc_entry_firq
+#else
+	PUSH	r10
+	lr	r10, [AUX_IRQ_ACT]
+	btst	r10, 0
+	POP	r10
+	jnz	exc_entry_firq
+#endif
+#endif
+	INTERRUPT_PROLOGUE
+
+	mov	blink, sp
+
+	clri	/* disable interrupt */
+	ld	r3, [exc_nest_count]
+	add	r2, r3, 1
+	st	r2, [exc_nest_count]
+	seti	/* enable higher priority interrupt */
+
+	brne	r3, 0, irq_handler_1
+/* change to exception stack if interrupt happened in task context */
+	mov	sp, _e_stack
+#if ARC_FEATURE_STACK_CHECK
+#if ARC_FEATURE_SEC_PRESENT
+	lr r0, [AUX_SEC_STAT]
+	bclr r0, r0, AUX_SEC_STAT_BIT_SSC
+	sflag r0
+#else
+	lr r0, [AUX_STATUS32]
+	bclr r0, r0, AUX_STATUS_BIT_SC
+	kflag r0
+#endif
+#endif
+irq_handler_1:
+	PUSH	blink
+
+	lr	r0, [AUX_IRQ_CAUSE]
+	mov	r1, exc_int_handler_table
+	ld.as	r2, [r1, r0]	/* r2 = exc_int_handler_table + irqno *4 */
+/* handle software triggered interrupt */
+	lr	r3, [AUX_IRQ_HINT]
+	cmp	r3, r0
+	bne.d irq_hint_handled
+	xor	r3, r3, r3
+	sr	r3, [AUX_IRQ_HINT]
+irq_hint_handled:
+
+	jl	[r2]		/* jump to interrupt handler */
+/* no interrupts are allowed from here */
+ret_int:
+	clri	/* disable interrupt */
+
+	POP	sp
+	mov	r1, exc_nest_count
+	ld	r0, [r1]
+	sub	r0, r0, 1
+	st	r0, [r1]
+/* if there are multi-bits set in IRQ_ACT, it's still in nest interrupt */
+	lr	r0, [AUX_IRQ_CAUSE]
+	sr	r0, [AUX_IRQ_SELECT]
+	lr 	r3, [AUX_IRQ_PRIORITY]
+	lr	r1, [AUX_IRQ_ACT]
+	bclr	r2, r1, r3
+	brne	r2, 0, ret_int_1
+
+	ld	r0, [context_switch_reqflg]
+	brne	r0, 0, ret_int_2
+ret_int_1:	/* return from non-task context */
+	INTERRUPT_EPILOGUE
+	rtie
+/* there is a dispatch request */
+ret_int_2:
+	/* clear dispatch request */
+	mov	r0, 0
+	st	r0, [context_switch_reqflg]
+
+	ld	r0, [pxCurrentTCB]
+	breq 	r0, 0, ret_int_1
+
+/* r1 has old AUX_IRQ_ACT */
+	PUSH	r1
+/* clear related bits in IRQ_ACT manually to simulate a irq return  */
+	sr	r2, [AUX_IRQ_ACT]
+
+	SAVE_CALLEE_REGS	/* save callee save registers */
+	mov	r1, ret_int_r	/* save return address */
+	PUSH	r1
+
+	bl	dispatcher	/* r0->pxCurrentTCB */
+
+ret_int_r:
+	RESTORE_CALLEE_REGS	/* recover registers */
+	POPAX	AUX_IRQ_ACT
+	INTERRUPT_EPILOGUE
+	rtie
+
+#if ARC_FEATURE_FIRQ == 1
+	.global exc_entry_firq
+	.align 4
+exc_entry_firq:
+#if ARC_FEATURE_STACK_CHECK && ARC_FEATURE_RGF_NUM_BANKS > 1
+#if ARC_FEATURE_SEC_PRESENT
+	lr r0, [AUX_SEC_STAT]
+	bclr r0, r0, AUX_SEC_STAT_BIT_SSC
+	sflag r0
+#else
+	lr r0, [AUX_STATUS32]
+	bclr r0, r0, AUX_STATUS_BIT_SC
+	kflag r0
+#endif
+#endif
+	SAVE_FIQ_EXC_REGS
+
+	mov	blink, sp
+
+	ld	r3, [exc_nest_count]
+	add	r2, r3, 1
+	st	r2, [exc_nest_count]
+
+	brne	r3, 0, firq_handler_1
+#if ARC_FEATURE_STACK_CHECK && ARC_FEATURE_RGF_NUM_BANKS == 1
+#if ARC_FEATURE_SEC_PRESENT
+	lr r0, [AUX_SEC_STAT]
+	bclr r0, r0, AUX_SEC_STAT_BIT_SSC
+	sflag r0
+#else
+	lr r0, [AUX_STATUS32]
+	bclr r0, r0, AUX_STATUS_BIT_SC
+	kflag r0
+#endif
+#endif
+/* change to exception stack if interrupt happened in task context */
+	mov	sp, _e_stack
+firq_handler_1:
+	PUSH	blink
+
+	lr	r0, [AUX_IRQ_CAUSE]
+	mov	r1, exc_int_handler_table
+	ld.as	r2, [r1, r0]	/* r2 = exc_int_handler_table + irqno *4 */
+/* handle software triggered interrupt */
+	lr	r3, [AUX_IRQ_HINT]
+	brne	r3, r0, firq_hint_handled
+	xor	r3, r3, r3
+	sr	r3, [AUX_IRQ_HINT]
+firq_hint_handled:
+
+	jl	[r2]		/* jump to interrupt handler */
+/* no interrupts are allowed from here */
+ret_firq:
+	clri
+	POP	sp
+
+	mov	r1, exc_nest_count
+	ld	r0, [r1]
+	sub	r0, r0, 1
+	st	r0, [r1]
+/* if there are multi-bits set in IRQ_ACT, it's still in nest interrupt */
+	lr	r1, [AUX_IRQ_ACT]
+	bclr	r1, r1, 0
+	brne	r1, 0, ret_firq_1
+
+	ld	r0, [context_switch_reqflg]
+	brne	r0, 0, ret_firq_2
+ret_firq_1:	/* return from non-task context */
+	RESTORE_FIQ_EXC_REGS
+	rtie
+/* there is a dispatch request */
+ret_firq_2:
+	/* clear dispatch request */
+	mov	r0, 0
+	st	r0, [context_switch_reqflg]
+
+	ld	r0, [pxCurrentTCB]
+	breq 	r0, 0, ret_firq_1
+
+/* reconstruct the interruptted context
+ * When ARC_FEATURE_RGF_BANKED_REGS >= 16 (16, 32), sp is banked
+ * so need to restore the fast irq stack.
+ */
+#if ARC_FEATURE_RGF_BANKED_REGS >= 16
+	RESTORE_LP_REGS
+#if ARC_FEATURE_CODE_DENSITY
+	RESTORE_CODE_DENSITY
+#endif
+	RESTORE_R58_R59
+#endif
+
+/* when BANKED_REGS == 16, r4-r9 wiil be also saved in fast irq stack
+ * so pop them out
+ */
+#if  ARC_FEATURE_RGF_BANKED_REGS == 16 && !defined(ARC_FEATURE_RF16)
+	POP		r9
+	POP		r8
+	POP		r7
+	POP		r6
+	POP		r5
+	POP		r4
+#endif
+
+/* for other cases, unbanked regs are already in interrupted context's stack,
+ * so just need to save and pop the banked regs
+ */
+
+/* save the interruptted context */
+#if ARC_FEATURE_RGF_BANKED_REGS > 0
+/* switch back to bank0  */
+	lr r0, [AUX_STATUS32]
+	bic     r0, r0, 0x70000
+	kflag   r0
+#endif
+
+#if ARC_FEATURE_RGF_BANKED_REGS == 4
+/* r4 - r12, gp, fp, r30, blink already saved */
+	PUSH	r0
+	PUSH	r1
+	PUSH	r2
+	PUSH	r3
+#elif ARC_FEATURE_RGF_BANKED_REGS == 8
+/* r4 - r9, r0, r11 gp, fp, r30, blink already saved */
+	PUSH	r0
+	PUSH	r1
+	PUSH	r2
+	PUSH	r3
+	PUSH	r12
+#elif ARC_FEATURE_RGF_BANKED_REGS >= 16
+/* nothing is saved, */
+	SAVE_R0_TO_R12
+
+	SAVE_R58_R59
+	PUSH	gp
+	PUSH	fp
+	PUSH	r30		/* general purpose */
+	PUSH	blink
+
+#if ARC_FEATURE_CODE_DENSITY
+	SAVE_CODE_DENSITY
+#endif
+	SAVE_LP_REGS
+#endif
+	PUSH	ilink
+	lr	r0, [AUX_STATUS32_P0]
+	PUSH	r0
+	lr	r0, [AUX_IRQ_ACT]
+	PUSH	r0
+	bclr	r0, r0, 0
+	sr	r0, [AUX_IRQ_ACT]
+
+	SAVE_CALLEE_REGS	/* save callee save registers */
+
+	mov	r1, ret_firq_r	/* save return address */
+	PUSH	r1
+	ld	r0, [pxCurrentTCB]
+	bl	dispatcher	/* r0->pxCurrentTCB */
+
+ret_firq_r:
+	RESTORE_CALLEE_REGS	/* recover registers */
+	POPAX	AUX_IRQ_ACT
+	POPAX	AUX_STATUS32_P0
+	POP	ilink
+
+#if ARC_FEATURE_RGF_NUM_BANKS > 1
+#if ARC_FEATURE_RGF_BANKED_REGS == 4
+/* r4 - r12, gp, fp, r30, blink already saved */
+	POP	r3
+	POP	r2
+	POP	r1
+	POP	r0
+	RESTORE_FIQ_EXC_REGS
+#elif ARC_FEATURE_RGF_BANKED_REGS == 8
+/* r4 - r9, gp, fp, r30, blink already saved */
+	POP	r12
+	POP	r3
+	POP	r2
+	POP	r1
+	POP	r0
+	RESTORE_FIQ_EXC_REGS
+#elif ARC_FEATURE_RGF_BANKED_REGS >= 16
+	RESTORE_LP_REGS
+#if ARC_FEATURE_CODE_DENSITY
+	RESTORE_CODE_DENSITY
+#endif
+	POP	blink
+	POP	r30
+	POP	fp
+	POP	gp
+
+	RESTORE_R58_R59
+	RESTORE_R0_TO_R12
+#endif /* ARC_FEATURE_RGF_BANKED_REGS  */
+#else
+	RESTORE_FIQ_EXC_REGS
+#endif /* ARC_FEATURE_RGF_NUM_BANKS */
+	rtie
+#endif
+/** @endcond */
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c
new file mode 100644
index 0000000..0d24c3c
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c
@@ -0,0 +1,205 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+#if defined(__MW__)
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "FreeRTOS.h"
+
+#include "queue.h"
+#include "semphr.h"
+#include "task.h"
+
+#include "arc/arc_exception.h"
+#include "embARC_toolchain.h"
+#include "embARC_debug.h"
+
+#ifdef ENABLE_FREERTOS_TLS_DEBUG
+#define TLS_DEBUG(fmt, ...)	EMBARC_PRINTF(fmt, ##__VA_ARGS__)
+#else
+#define TLS_DEBUG(fmt, ...)
+#endif
+
+/*
+ * Runtime routines to execute constructors and
+ * destructors for task local storage.
+ */
+extern void __mw_run_tls_dtor();
+extern void __mw_run_tls_ctor();
+
+/*
+ * Linker generated symbols to mark .tls section addresses
+ * first byte .. last byte
+ */
+extern char _ftls[], _etls[];
+#pragma weak _ftls
+#pragma weak _etls
+
+void executable_requires_tls_section(void)
+{
+#if _ARC
+	for (;;) {
+		_flag(1);
+		_nop();
+		_nop();
+		_nop();
+		_nop();
+		_nop();
+	}
+#endif
+}
+#pragma off_inline(executable_requires_tls_section);
+#pragma alias(executable_requires_tls_section, "executable_requires_.tls_section");
+
+static void* init_task_tls(void)
+{
+	uint32_t len = (uint32_t)(_etls - _ftls);
+	void *tls = NULL;
+
+#if FREERTOS_HEAP_SEL == 3
+	#warning "FreeRTOS TLS support is not compatible with heap 3 solution(FREERTOS_HEAP_SEL=3)!"
+	#warning "You can change FREERTOS_HEAP_SEL in freertos.mk to select other heap solution."
+#else
+	tls = pvPortMalloc(len);
+#endif
+	if (tls) {
+		TLS_DEBUG("Malloc task tls:%dbytes\r\n", len);
+		memcpy(tls, _ftls, len);
+		__mw_run_tls_ctor();	// Run constructors
+	}
+	return tls;
+}
+
+static void free_task_tls(void *pxTCB)
+{
+	TaskHandle_t task2free = (TaskHandle_t)pxTCB;
+
+	if (task2free != NULL) {
+		void *tls = pvTaskGetThreadLocalStoragePointer(task2free, 0);
+		if (tls) {
+			TLS_DEBUG("Free task tls\r\n");
+			__mw_run_tls_dtor();
+			vPortFree(tls);
+			vTaskSetThreadLocalStoragePointer(task2free, 0, NULL);
+		}
+	}
+}
+
+void task_end_hook(void *pxTCB)
+{
+	free_task_tls(pxTCB);
+}
+
+static void* get_isr_tls(void)
+{
+	// In an ISR
+	static int first = 1;
+	if (_Rarely(first)) {
+		first = 0;
+		__mw_run_tls_ctor();	// Run constructors
+	}
+	return (void *)_ftls;
+}
+#pragma off_inline(get_isr_tls)
+
+static void* get_task_tls(void)
+{
+	TaskHandle_t cur_task;
+
+	cur_task = xTaskGetCurrentTaskHandle();
+	if (cur_task == NULL) return get_isr_tls();
+	void *tls = pvTaskGetThreadLocalStoragePointer(cur_task, 0);
+	if (tls == NULL) {
+		tls = init_task_tls();
+		if (tls) {
+			vTaskSetThreadLocalStoragePointer(cur_task, 0, tls);
+		} else {
+			tls = get_isr_tls();
+		}
+	}
+	return tls;
+}
+#pragma off_inline(get_task_tls)
+
+#if _ARC /* for ARC XCALLs need to preserve flags */
+	extern void * _Preserve_flags _mwget_tls(void);
+#endif
+
+/*
+ * Back end gens calls to find local data for this task
+ */
+void* _mwget_tls(void)
+{
+	if (_ftls == (char *)0) {
+		executable_requires_tls_section();
+	}
+	if (exc_sense()) { /* In ISR */
+		return get_isr_tls();
+	} else { /* In Task */
+		return get_task_tls();
+	}
+}
+
+
+// simple interface of thread safe
+typedef xSemaphoreHandle _lock_t;
+#if configUSE_RECURSIVE_MUTEXES != 1
+#error "configUSE_RECURSIVE_MUTEXES in FreeRTOSConfig.h need to 1"
+#endif
+
+void _mwmutex_create(_lock_t *mutex_ptr)
+{
+	*mutex_ptr = xSemaphoreCreateRecursiveMutex();
+}
+
+void _mwmutex_delete(_lock_t *mutex_ptr)
+{
+	if ((*mutex_ptr) != NULL) {
+		vSemaphoreDelete(*mutex_ptr);
+	}
+}
+
+void _mwmutex_lock(_lock_t mutex)
+{
+	if ((mutex) != NULL) {
+		while (xSemaphoreTakeRecursive(mutex, portMAX_DELAY) != pdTRUE);
+	}
+}
+
+void _mwmutex_unlock(_lock_t mutex)
+{
+	if ((mutex) != NULL) {
+		xSemaphoreGiveRecursive(mutex);
+	}
+}
+
+#else
+
+#endif /* __MW__ */
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/port.c b/portable/ThirdParty/GCC/ARC_EM_HS/port.c
new file mode 100644
index 0000000..06f65cc
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/port.c
@@ -0,0 +1,283 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+/*
+ * Implementation of functions defined in portable.h
+ */
+
+#include "FreeRTOS.h"
+#include "task.h"
+#include "FreeRTOSConfig.h"
+
+#include "arc/arc_exception.h"
+#include "arc/arc_timer.h"
+#include "board.h"
+
+#include "arc_freertos_exceptions.h"
+
+volatile unsigned int ulCriticalNesting = 999UL;
+volatile unsigned int context_switch_reqflg;	/* task context switch request flag in exceptions and interrupts handling */
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief kernel tick interrupt handler of freertos
+ */
+/* ----------------------------------------------------------------------------*/
+static void vKernelTick( void *ptr )
+{
+	/* clear timer interrupt */
+	timer_int_clear(BOARD_OS_TIMER_ID);
+	board_timer_update(configTICK_RATE_HZ);
+
+	if (xTaskIncrementTick()) {
+		portYIELD_FROM_ISR();	/* need to make task switch */
+	}
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief  setup freertos kernel tick
+ */
+/* ----------------------------------------------------------------------------*/
+static void prvSetupTimerInterrupt(void)
+{
+	unsigned int cyc = configCPU_CLOCK_HZ / configTICK_RATE_HZ;
+
+	int_disable(BOARD_OS_TIMER_INTNO); /* disable os timer interrupt */
+	timer_stop(BOARD_OS_TIMER_ID);
+	timer_start(BOARD_OS_TIMER_ID, TIMER_CTRL_IE | TIMER_CTRL_NH, cyc);
+
+	int_handler_install(BOARD_OS_TIMER_INTNO, (INT_HANDLER_T)vKernelTick);
+	int_pri_set(BOARD_OS_TIMER_INTNO, INT_PRI_MIN);
+	int_enable(BOARD_OS_TIMER_INTNO);
+}
+
+/*
+ * Setup the stack of a new task so it is ready to be placed under the
+ * scheduler control.  The registers have to be placed on the stack in
+ * the order that the port expects to find them.
+ *
+ * For ARC, task context switch is implemented with the help of SWI exception
+ * It's not efficient but simple.
+ *
+ */
+StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
+{
+	/* To ensure asserts in tasks.c don't fail, although in this case the assert
+	is not really required. */
+	pxTopOfStack--;
+
+	/* Setup the initial stack of the task.  The stack is set exactly as
+	expected by the portRESTORE_CONTEXT() macro. */
+
+	/* When the task starts is will expect to find the function parameter in
+	R0. */
+	*pxTopOfStack = ( StackType_t ) pvParameters;	/* R0 */
+
+	pxTopOfStack--;
+	*pxTopOfStack = ( StackType_t ) pxCode;		/* function body */
+
+	/* PC */
+	pxTopOfStack--;
+	*pxTopOfStack = ( StackType_t ) start_r;	/* dispatch return address */
+
+	pxTopOfStack--;
+	*pxTopOfStack = (StackType_t) portNO_CRITICAL_NESTING;
+	return pxTopOfStack;
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief  start the freertos scheduler, go to the first task
+ *
+ * @returns
+ */
+/* ----------------------------------------------------------------------------*/
+BaseType_t xPortStartScheduler( void )
+{
+	/* Start the timer that generates the tick ISR. */
+	prvSetupTimerInterrupt();
+	start_dispatch();
+
+	/* Should not get here! */
+	return 0;
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief
+ */
+/* ----------------------------------------------------------------------------*/
+void vPortEndScheduler( void )
+{
+
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief  generate a task switch request in ISR
+ */
+/* ----------------------------------------------------------------------------*/
+void vPortYieldFromIsr(void)
+{
+	unsigned int status32;
+
+	status32 = cpu_lock_save();
+	context_switch_reqflg = true;
+	cpu_unlock_restore(status32);
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief
+ */
+/* ----------------------------------------------------------------------------*/
+void vPortYield(void)
+{
+	unsigned int status32;
+
+	status32 = cpu_lock_save();
+	dispatch();
+	cpu_unlock_restore(status32);
+}
+
+/* --------------------------------------------------------------------------*/
+/**
+ * @brief
+ */
+/* ----------------------------------------------------------------------------*/
+void vPortEndTask(void)
+{
+
+#if ( INCLUDE_vTaskDelete == 1 )
+	vTaskDelete(NULL); /* Delete task itself */
+#endif
+
+	while(1) { /* Yield to other task */
+		vPortYield();
+	}
+}
+
+#if ARC_FEATURE_STACK_CHECK
+
+/*
+ * !!! Note !!!
+ * This a trick!!!
+ * It's a copy from task.c. We need to konw the definition of TCB for the purpose of hardware
+ * stack check. Pls don't forget to update it when FreeRTOS is updated.
+ */
+typedef struct tskTaskControlBlock /* The old naming convention is used to prevent breaking kernel aware debuggers. */
+{
+	volatile StackType_t	*pxTopOfStack;	/*< Points to the location of the last item placed on the tasks stack.  THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */
+
+	#if ( portUSING_MPU_WRAPPERS == 1 )
+		xMPU_SETTINGS	xMPUSettings;		/*< The MPU settings are defined as part of the port layer.  THIS MUST BE THE SECOND MEMBER OF THE TCB STRUCT. */
+	#endif
+
+	ListItem_t			xStateListItem;	/*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */
+	ListItem_t			xEventListItem;		/*< Used to reference a task from an event list. */
+	UBaseType_t			uxPriority;			/*< The priority of the task.  0 is the lowest priority. */
+	StackType_t			*pxStack;			/*< Points to the start of the stack. */
+	char				pcTaskName[ configMAX_TASK_NAME_LEN ];/*< Descriptive name given to the task when created.  Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
+
+	#if ( ( portSTACK_GROWTH > 0 ) || ( configRECORD_STACK_HIGH_ADDRESS == 1 ) )
+		StackType_t		*pxEndOfStack;		/*< Points to the highest valid address for the stack. */
+	#endif
+
+	#if ( portCRITICAL_NESTING_IN_TCB == 1 )
+		UBaseType_t		uxCriticalNesting;	/*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */
+	#endif
+
+	#if ( configUSE_TRACE_FACILITY == 1 )
+		UBaseType_t		uxTCBNumber;		/*< Stores a number that increments each time a TCB is created.  It allows debuggers to determine when a task has been deleted and then recreated. */
+		UBaseType_t		uxTaskNumber;		/*< Stores a number specifically for use by third party trace code. */
+	#endif
+
+	#if ( configUSE_MUTEXES == 1 )
+		UBaseType_t		uxBasePriority;		/*< The priority last assigned to the task - used by the priority inheritance mechanism. */
+		UBaseType_t		uxMutexesHeld;
+	#endif
+
+	#if ( configUSE_APPLICATION_TASK_TAG == 1 )
+		TaskHookFunction_t pxTaskTag;
+	#endif
+
+	#if( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 )
+		void			*pvThreadLocalStoragePointers[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ];
+	#endif
+
+	#if( configGENERATE_RUN_TIME_STATS == 1 )
+		uint32_t		ulRunTimeCounter;	/*< Stores the amount of time the task has spent in the Running state. */
+	#endif
+
+	#if ( configUSE_NEWLIB_REENTRANT == 1 )
+		/* Allocate a Newlib reent structure that is specific to this task.
+		Note Newlib support has been included by popular demand, but is not
+		used by the FreeRTOS maintainers themselves.  FreeRTOS is not
+		responsible for resulting newlib operation.  User must be familiar with
+		newlib and must provide system-wide implementations of the necessary
+		stubs. Be warned that (at the time of writing) the current newlib design
+		implements a system-wide malloc() that must be provided with locks. */
+		struct	_reent xNewLib_reent;
+	#endif
+
+	#if( configUSE_TASK_NOTIFICATIONS == 1 )
+		volatile uint32_t ulNotifiedValue;
+		volatile uint8_t ucNotifyState;
+	#endif
+
+	/* See the comments above the definition of
+	tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE. */
+	#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */
+		uint8_t	ucStaticallyAllocated; 		/*< Set to pdTRUE if the task is a statically allocated to ensure no attempt is made to free the memory. */
+	#endif
+
+	#if( INCLUDE_xTaskAbortDelay == 1 )
+		uint8_t ucDelayAborted;
+	#endif
+
+	#if( configUSE_POSIX_ERRNO == 1 )
+		int iTaskErrno;
+	#endif
+
+} tskTCB;
+
+
+void vPortSetStackCheck(TaskHandle_t old, TaskHandle_t new)
+{
+
+	if (new != NULL) {
+#if ARC_FEATURE_SEC_PRESENT
+		arc_aux_write(AUX_S_KSTACK_BASE, (uint32_t)(new->pxEndOfStack));
+		arc_aux_write(AUX_S_KSTACK_TOP, (uint32_t)(new->pxStack));
+#else
+		arc_aux_write(AUX_KSTACK_BASE, (uint32_t)(new->pxEndOfStack));
+		arc_aux_write(AUX_KSTACK_TOP, (uint32_t)(new->pxStack));
+#endif
+	}
+}
+#endif
diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h
new file mode 100644
index 0000000..dc95036
--- /dev/null
+++ b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h
@@ -0,0 +1,158 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 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!
+ */
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* record stack high address for stack check */
+#ifndef configRECORD_STACK_HIGH_ADDRESS
+    #define configRECORD_STACK_HIGH_ADDRESS 1
+#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. */
+#define portCHAR    char
+#define portFLOAT   float
+#define portDOUBLE  double
+#define portLONG    long
+#define portSHORT   short
+#define portSTACK_TYPE  unsigned int
+#define portBASE_TYPE   portLONG
+
+#ifndef Inline
+#define Inline  static __inline__
+#endif
+#ifndef Asm
+#define Asm __asm__ volatile
+#endif
+
+/*
+ *  normal constants
+ */
+#ifndef NULL
+#define NULL        0           /* invalid pointer */
+#endif /* NULL */
+
+#ifndef true
+#define true        1           /* true */
+#endif /* true */
+
+#ifndef false
+#define false       0           /* false */
+#endif /* false */
+
+typedef portSTACK_TYPE StackType_t;
+typedef long BaseType_t;
+typedef unsigned long UBaseType_t;
+
+#if( configUSE_16_BIT_TICKS == 1 )
+    typedef uint16_t TickType_t;
+    #define portMAX_DELAY ( TickType_t ) 0xffff
+#else
+    typedef unsigned int TickType_t;
+    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+#endif
+
+#define portNO_CRITICAL_NESTING 0x0
+#define portSTACK_GROWTH    ( -1 )
+#define portTICK_PERIOD_MS  ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
+#define portBYTE_ALIGNMENT  8
+#define portNOP()       Asm( "nop_s" );
+#define IPM_ENABLE_ALL      1
+
+#define portYIELD_FROM_ISR()        vPortYieldFromIsr()
+#define portYIELD()         vPortYield()
+
+/* Critical section management. */
+#define portDISABLE_INTERRUPTS()        \
+{                       \
+    Asm("clri");                \
+    Asm("":::"memory");         \
+}                       \
+
+#define portENABLE_INTERRUPTS()         \
+{                       \
+    Asm("":::"memory");         \
+    Asm("seti");                \
+}                       \
+
+extern volatile unsigned int ulCriticalNesting;
+
+#define portENTER_CRITICAL()            \
+{                       \
+    portDISABLE_INTERRUPTS()        \
+    ulCriticalNesting++;            \
+}
+
+
+#define portEXIT_CRITICAL()                     \
+{                                   \
+    if (ulCriticalNesting > portNO_CRITICAL_NESTING)        \
+    {                               \
+        ulCriticalNesting--;                    \
+        if (ulCriticalNesting == portNO_CRITICAL_NESTING)   \
+        {                           \
+            portENABLE_INTERRUPTS()             \
+        }                           \
+    }                               \
+}
+
+
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+
+#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() do {} while (0)    /* we use the timer */
+#define portALT_GET_RUN_TIME_COUNTER_VALUE(dest) (dest = xTickCount)
+
+#if defined(__MW__)
+extern void task_end_hook(void *pxTCB);
+#define portCLEAN_UP_TCB( pxTCB )   task_end_hook((void *)pxTCB)
+#else
+#define portCLEAN_UP_TCB( pxTCB )   ( void ) pxTCB
+#endif
+
+void vPortYield(void);
+void vPortYieldFromIsr(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* PORTMACRO_H */