# Windows yields literal "", on Linux yields an empty line
ifeq ($(shell echo ""),)
-# This is properly a proper system, so we can use uname
+# This is probably a proper system, so we can use uname
UNAME := $(shell uname)
ifeq ($(UNAME), Linux)
# Linux. (Todo: Add MacOS X if appropriate)
endif
-CC = arm-elf-gcc
-AS = arm-elf-as
-LD = arm-elf-ld
-OBJCOPY = arm-elf-objcopy
+CROSS = arm-elf-
+CC = $(CROSS)gcc
+AS = $(CROSS)as
+LD = $(CROSS)ld
+OBJCOPY = $(CROSS)objcopy
OBJDIR = obj
$(CC) $(CFLAGS) -mthumb -mthumb-interwork -o $@ $<
# This objcopy call translates physical flash addresses to logical addresses
+# without touching start address or RAM addresses (.bss and .data sections)
# See ldscript.common. -- Henryk Plötz <henryk@ploetzli.ch> 2009-08-27
+OBJCOPY_TRANSLATIONS = --no-change-warnings \
+ --change-addresses -0x100000 --change-start 0 \
+ --change-section-address .bss+0 --change-section-address .data+0 \
+ --change-section-address .commonarea+0
$(OBJDIR)/%.s19: $(OBJDIR)/%.elf
- $(OBJCOPY) -Osrec --srec-forceS3 --no-change-warnings \
- --change-section-address .bootphase1-0x100000 \
- --change-section-address .bootphase2-0x100000 \
- --change-section-address .fpgaimage-0x100000 \
- --change-section-address .start-0x100000 \
- --change-section-address .text-0x100000 \
- --change-section-address .rodata-0x100000 $^ $@
+ $(OBJCOPY) -Osrec --srec-forceS3 --strip-debug $(OBJCOPY_TRANSLATIONS) $^ $@
# version.c should be remade on every compilation
.PHONY: version.c