microwatt/hello_world/Makefile

ARCH = $(shell uname -m)
ifneq ("$(ARCH)", "ppc64")
ifneq ("$(ARCH)", "ppc64le")
	CROSS_COMPILE ?= powerpc64le-linux-gnu-
endif
endif

CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy

CFLAGS = -Os -g -Wall -std=c99 -msoft-float -mno-string -mno-multiple -mno-vsx -mno-altivec -mlittle-endian -fno-stack-protector -mstrict-align -ffreestanding -fdata-sections -ffunction-sections -I../include
ASFLAGS = $(CFLAGS)
LDFLAGS = -T powerpc.lds

all: hello_world.hex

console.o: ../lib/console.c
	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@

hello_world.elf: hello_world.o head.o console.o
	$(LD) $(LDFLAGS) -o $@ $^

hello_world.bin: hello_world.elf
	$(OBJCOPY) -O binary $^ $@

hello_world.hex: hello_world.bin
	../scripts/bin2hex.py $^ > $@

clean:
	@rm -f *.o hello_world.elf hello_world.bin hello_world.hex
don't cross compile when on Power 5 years ago			`ARCH = $(shell uname -m)`
			`ifneq ("$(ARCH)", "ppc64")`
			`ifneq ("$(ARCH)", "ppc64le")`
Change the default cross compiler prefix to powerpc64le-linux-gnu- That is what is used by the packaged cross-compilers on (at least) Fedora and Ubuntu. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> 5 years ago			`CROSS_COMPILE ?= powerpc64le-linux-gnu-`
hello_world: Use Makefile automatic variables Fix a few whitespace issues while here. Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`endif`
			`endif`
don't cross compile when on Power 5 years ago
Add a simple hello_world example that also echos input Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`CC = $(CROSS_COMPILE)gcc`
			`LD = $(CROSS_COMPILE)ld`
			`OBJCOPY = $(CROSS_COMPILE)objcopy`

hello_world: Use new headers and frequency from syscon This uses the new header files for register definitions and extracts the core frequency from syscon rather than hard coding it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 5 years ago			`CFLAGS = -Os -g -Wall -std=c99 -msoft-float -mno-string -mno-multiple -mno-vsx -mno-altivec -mlittle-endian -fno-stack-protector -mstrict-align -ffreestanding -fdata-sections -ffunction-sections -I../include`
Add a simple hello_world example that also echos input Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`ASFLAGS = $(CFLAGS)`
			`LDFLAGS = -T powerpc.lds`

			`all: hello_world.hex`

console: Move console files console.c goes to a new lib/ where we'll store other general utilities and console.h goes to include/ Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 5 years ago			`console.o: ../lib/console.c`
			`$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@`

Breakout the console code so it can be reused. No functional change. Signed-off-by: Michael Neuling <mikey@neuling.org> 5 years ago			`hello_world.elf: hello_world.o head.o console.o`
hello_world: Use Makefile automatic variables Fix a few whitespace issues while here. Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`$(LD) $(LDFLAGS) -o $@ $^`
Add a simple hello_world example that also echos input Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago
			`hello_world.bin: hello_world.elf`
hello_world: Use Makefile automatic variables Fix a few whitespace issues while here. Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`$(OBJCOPY) -O binary $^ $@`
Add a simple hello_world example that also echos input Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago
			`hello_world.hex: hello_world.bin`
hello_world: Use Makefile automatic variables Fix a few whitespace issues while here. Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago			`../scripts/bin2hex.py $^ > $@`
Add a simple hello_world example that also echos input Signed-off-by: Anton Blanchard <anton@linux.ibm.com> 5 years ago
			`clean:`
			`@rm -f *.o hello_world.elf hello_world.bin hello_world.hex`