Thanks to Martin Capitanio and the linux code at http://capitanio.org…

…/mlink/index.html

Was able to take my new stm32 value line discovery and load a simple program into sram and run it.

So far all it does is blink the green and blue leds.

Makefile

@@ -0,0 +1,32 @@
+
+ARMGNU = arm-none-linux-gnueabi
+
+ARCH = -mcpu=cortex-m3
+#ARCH = 
+AOPS = --warn --fatal-warnings -mthumb $(ARCH)
+COPS = -Wall -Werror -O2 -nostdlib -nostartfiles -ffreestanding -mthumb $(ARCH)
+
+
+all : blinker.bin
+
+clean :
+	rm -f *.o
+	rm -f *.elf
+	rm -f *.list
+	rm -f *.bin
+
+blinker.elf : blinker.o vectors.o memmap
+	$(ARMGNU)-ld -T memmap vectors.o blinker.o -o blinker.elf
+	$(ARMGNU)-objdump -D blinker.elf > blinker.list
+
+blinker.o : blinker.c
+	$(ARMGNU)-gcc $(COPS) -c blinker.c -o blinker.o
+
+vectors.o : vectors.s
+	$(ARMGNU)-as $(AOPS) vectors.s -o vectors.o
+
+
+blinker.bin : blinker.elf
+	$(ARMGNU)-objcopy blinker.elf -O binary blinker.bin
+
+

blinker.c

@@ -0,0 +1,34 @@
+
+void PUT32 ( unsigned int, unsigned int );
+unsigned int GET32 ( unsigned int );
+
+#define GPIOCBASE 0x40011000
+
+int notmain ( void )
+{
+
+    volatile unsigned int ra;
+    unsigned int rb;
+    unsigned int rc;
+
+    //Blue  LED on PORT C bit 8
+    //Green LED on PORT C bit 9
+
+    //output push-pull b0001
+    ra=GET32(GPIOCBASE+0x04);
+    ra&=(~(0xF<<16));
+    ra|=0x1<<16;
+    PUT32(GPIOCBASE+0x04,ra);
+
+    rb=GET32(GPIOCBASE+0x0C);
+    rc=rb|(3<<8);
+    rb&=(~(3<<8));
+    while(1)
+    {
+        PUT32(GPIOCBASE+0x0C,rb);
+        for(ra=0;ra<1000000;ra++) continue;
+        PUT32(GPIOCBASE+0x0C,rc);
+        for(ra=0;ra<1000000;ra++) continue;
+    }
+    return(0);
+}

memmap

@@ -0,0 +1,11 @@
+
+MEMORY
+{
+    ram : ORIGIN = 0x20000000, LENGTH = 0x10000
+}
+
+SECTIONS
+{
+    .text : { *(.text*) } > ram
+}
+

stlink-access-test/AUTHORS

@@ -0,0 +1,3 @@
+Martin Capitanio <m@capitanio.org>
+Spencer Oliver <spen@spen-soft.co.uk>
+Lementec Fabien <fabien.lementec@gmail.com>

stlink-access-test/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2011 The "Capt'ns Missing Link" Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Martin Capitanio nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

stlink-access-test/README

@@ -0,0 +1,5 @@
+cd build
+make
+
+edit Makefile
+make run

stlink-access-test/build/Makefile

@@ -0,0 +1,27 @@
+PRG := stlink-access-test
+DEV := /dev/sg2
+
+all: $(PRG)
+
+LIBS := \
+	-lsgutils2
+
+OBJS += \
+	stlink-access-test.o 
+
+$(PRG): $(OBJS)
+	@echo 'Invoking: GCC C Linker'
+	gcc  -o$(PRG) $(OBJS) $(LIBS)
+
+%.o: ../src/%.c
+	@echo 'Building file: $<'
+	gcc -O0 -g3 -Wall -c -fmessage-length=0 -std=gnu99 -MMD -MP \
+		-MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)"\
+		-o"$@" "$<"
+
+clean:
+	@rm -vf *.d *.o $(PRG)
+
+run: all
+	cp $(PRG) /tmp/
+	sudo /tmp/$(PRG) $(DEV)