[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS/Demo/lwIP_Demo_Rowley_ARM7/makefile

@@ -0,0 +1,156 @@
+#/*
+# * FreeRTOS V202212.01
+# * 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.
+# *
+# * https://www.FreeRTOS.org
+# * https://github.com/FreeRTOS
+# *
+# * 1 tab == 4 spaces!
+# */
+
+CC=arm-elf-gcc
+OBJCOPY=arm-elf-objcopy
+ARCH=arm-elf-ar
+CRT0=boot.s
+DEBUG=-g
+OPTIM=-O0
+LDSCRIPT=atmel-rom.ld
+
+#
+# CFLAGS common to both the THUMB and ARM mode builds
+#
+
+CFLAGS= \
+-I.  \
+-I./EMAC  \
+-I../Common/include  \
+-I./USB  \
+-I./lwip-1.1.0/src/include  \
+-I./lwip-1.1.0/contrib/port/FreeRTOS/AT91SAM7X  \
+-I../../Source/include  \
+-I../../Source/portable/GCC/ARM7_AT91SAM7S  \
+-I./lwip-1.1.0/src/include/ipv4 \
+-Wall  \
+-Wextra  \
+-Wstrict-prototypes  \
+-Wmissing-prototypes  \
+-Wmissing-declarations  \
+-Wno-strict-aliasing  \
+-D SAM7_GCC  \
+-D THUMB_INTERWORK \
+-mthumb-interwork \
+-mcpu=arm7tdmi  \
+-T$(LDSCRIPT) \
+$(DEBUG)  \
+$(OPTIM) \
+-fomit-frame-pointer
+
+THUMB_FLAGS=-mthumb
+LINKER_FLAGS=-Xlinker -ortosdemo.elf -Xlinker -M -Xlinker -Map=rtosdemo.map
+
+#
+# Source files that can be built to THUMB mode.
+#
+FREERTOS_THUMB_SRC= \
+  ../../Source/tasks.c \
+  ../../Source/queue.c \
+  ../../Source/list.c \
+  ../../Source/portable/GCC/ARM7_AT91SAM7S/port.c
+
+DEMO_APP_THMUB_SRC= \
+  ../../Source/portable/MemMang/heap_2.c \
+  ParTest/ParTest.c \
+  main.c \
+  ../Common/Minimal/flash.c \
+  ../Common/Minimal/BlockQ.c \
+  ../Common/Minimal/integer.c \
+  ../Common/Minimal/PollQ.c \
+  ../Common/Minimal/semtest.c \
+  BasicWEB.c \
+  USB/USB-CDC.c
+
+LWIP_THUMB_SRC= \
+  lwip-1.1.0/src/core/tcp_out.c \
+  lwip-1.1.0/src/core/inet.c \
+  lwip-1.1.0/src/core/mem.c \
+  lwip-1.1.0/src/core/memp.c \
+  lwip-1.1.0/src/core/netif.c \
+  lwip-1.1.0/src/core/pbuf.c \
+  lwip-1.1.0/src/core/raw.c \
+  lwip-1.1.0/src/core/stats.c \
+  lwip-1.1.0/src/core/sys.c \
+  lwip-1.1.0/src/core/tcp.c \
+  lwip-1.1.0/src/core/tcp_in.c \
+  lwip-1.1.0/src/core/ipv4/ip.c \
+  lwip-1.1.0/src/core/ipv4/ip_addr.c \
+  lwip-1.1.0/src/core/ipv4/icmp.c \
+  lwip-1.1.0/src/api/tcpip.c \
+  lwip-1.1.0/src/api/api_msg.c \
+  lwip-1.1.0/src/api/err.c \
+  lwip-1.1.0/src/api/api_lib.c \
+  lwip-1.1.0/src/netif/etharp.c \
+  lwip-1.1.0/contrib/port/FreeRTOS/AT91SAM7X/sys_arch.c \
+  lwip-1.1.0/src/netif/ethernetif.c \
+  EMAC/SAM7_EMAC.c \
+  lwip-1.1.0/src/core/udp.c \
+  lwip-1.1.0/src/core/ipv4/ip_frag.c
+
+#
+# Source files that must be built to ARM mode.
+#
+ARM_SRC= \
+  ../../Source/portable/GCC/ARM7_AT91SAM7S/portISR.c \
+  EMAC/SAM7_EMAC_ISR.c \
+  USB/USBIsr.c \
+  Cstartup_SAM7.c
+
+
+#
+# Define all object files.
+#
+ARM_OBJ = $(ARM_SRC:.c=.o)
+FREERTOS_THUMB_OBJ = $(FREERTOS_THUMB_SRC:.c=.o)
+DEMO_APP_THMUB_OBJ = $(DEMO_APP_THMUB_SRC:.c=.o)
+LWIP_THUMB_OBJ = $(LWIP_THUMB_SRC:.c=.o)
+
+rtosdemo.bin : rtosdemo.elf
+	$(OBJCOPY) rtosdemo.elf -O binary rtosdemo.bin
+
+rtosdemo.hex : rtosdemo.elf
+	$(OBJCOPY) rtosdemo.elf -O ihex rtosdemo.hex
+
+rtosdemo.elf : $(ARM_OBJ) $(DEMO_APP_THMUB_OBJ) $(LWIP_THUMB_OBJ) $(FREERTOS_THUMB_OBJ) $(CRT0) Makefile FreeRTOSConfig.h
+	$(CC) $(CFLAGS) $(ARM_OBJ) $(DEMO_APP_THMUB_OBJ) $(LWIP_THUMB_OBJ) $(FREERTOS_THUMB_OBJ) -nostartfiles $(CRT0) $(LINKER_FLAGS)
+
+$(DEMO_APP_THMUB_OBJ)  : %.o : %.c $(LDSCRIPT) Makefile FreeRTOSConfig.h
+	$(CC) -c $(THUMB_FLAGS) $(CFLAGS) $< -o $@
+
+$(LWIP_THUMB_OBJ)  : %.o : %.c $(LDSCRIPT) Makefile FreeRTOSConfig.h
+	$(CC) -c $(THUMB_FLAGS) $(CFLAGS) $< -o $@
+
+$(FREERTOS_THUMB_OBJ)  : %.o : %.c $(LDSCRIPT) Makefile FreeRTOSConfig.h
+	$(CC) -c $(THUMB_FLAGS) $(CFLAGS) $< -o $@
+
+$(ARM_OBJ) : %.o : %.c $(LDSCRIPT) Makefile FreeRTOSConfig.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+clean :
+	touch Makefile
+