it builds!
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parent
310eb52f0f
commit
66c466f699
2
.gitignore
vendored
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2
.gitignore
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*.axf
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*.map
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19
Makefile
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19
Makefile
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CC=arm-none-eabi-gcc
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ARCH_FLAGS=-mthumb -mcpu=cortex-m0plus
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CFLAGS=$(ARCH_FLAGS) -Os -flto -ffunction-sections -fdata-sections -D__STARTUP_COPY_MULTIPLE -D__STARTUP_CLEAR_BSS_MULTIPLE
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USE_NANO=--specs=nano.specs
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USE_NOHOST=--specs=nosys.specs
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# Link for code size
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GC=-Wl,--gc-sections
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# Create map file
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MAP=-Wl,-Map=main.map
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LDSCRIPTS=-L. -T multi-ram.ld
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main.axf: main.c sysinit.c startup_ARMCM0.s
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$(CC) $^ $(CFLAGS) -fno-exceptions $(USE_NANO) $(USE_NOHOST) $(LDSCRIPTS) $(GC) $(MAP) -o $@
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clean:
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rm -f *.axf *.map
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@ -184,6 +184,7 @@ SECTIONS
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__bss2_end__ = .;
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__bss2_end__ = .;
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} > RAM2
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} > RAM2
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/*
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.heap (COPY):
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.heap (COPY):
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{
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{
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__end__ = .;
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__end__ = .;
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@ -191,6 +192,7 @@ SECTIONS
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*(.heap*)
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*(.heap*)
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__HeapLimit = .;
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__HeapLimit = .;
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} > RAM
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} > RAM
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*/
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/* .stack_dummy section doesn't contains any symbols. It is only
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/* .stack_dummy section doesn't contains any symbols. It is only
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* used for linker to calculate size of stack sections, and assign
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* used for linker to calculate size of stack sections, and assign
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@ -202,7 +204,7 @@ SECTIONS
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/* Set stack top to end of RAM, and stack limit move down by
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/* Set stack top to end of RAM, and stack limit move down by
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* size of stack_dummy section */
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* size of stack_dummy section */
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__StackTop = ORIGIN(RAM) + LENGTH(RAM);
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__StackTop = ORIGIN(RAM) + 0xFF;
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__StackLimit = __StackTop - SIZEOF(.stack_dummy);
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__StackLimit = __StackTop - SIZEOF(.stack_dummy);
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PROVIDE(__stack = __StackTop);
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PROVIDE(__stack = __StackTop);
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@ -30,11 +30,6 @@
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------*/
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---------------------------------------------------------------------------*/
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/* CHANGING DEFINES */
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#define __STARTUP_COPY_MULTIPLE
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#define __STARTUP_CLEAR_BSS_MULTIPLE
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.syntax unified
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.syntax unified
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.arch armv6-m
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.arch armv6-m
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@ -237,7 +232,7 @@ Reset_Handler:
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#ifndef __START
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#ifndef __START
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#define __START _start
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#define __START _start
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#endif
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#endif
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bl __START
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bl _start
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.pool
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.pool
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.size Reset_Handler, . - Reset_Handler
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.size Reset_Handler, . - Reset_Handler
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