diff options
Diffstat (limited to 'npcm8xx/Makefile')
| -rw-r--r-- | npcm8xx/Makefile | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/npcm8xx/Makefile b/npcm8xx/Makefile new file mode 100644 index 0000000..4796326 --- /dev/null +++ b/npcm8xx/Makefile @@ -0,0 +1,37 @@ +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +CROSS_COMPILE ?= aarch64-linux-gnu- + +CC = $(CROSS_COMPILE)gcc +OBJCOPY = $(CROSS_COMPILE)objcopy + +CFLAGS = -Os -g -mcpu=cortex-a35 +ASFLAGS = $(CFLAGS) -Wa,-mcpu=cortex-a35 +LDSCRIPT = bootrom.ld +LDFLAGS = -Wl,--build-id=none -static -nostdlib -T $(LDSCRIPT) + +OBJS := start.o image.o + +.PHONY: all clean +all: npcm8xx_bootrom.bin + +clean: + rm -f *.o *.bin *.elf + +npcm8xx_bootrom.bin: npcm8xx_bootrom.elf + $(OBJCOPY) -O binary $< $@ + +npcm8xx_bootrom.elf: $(OBJS) $(LDSCRIPT) + $(CC) -o $@ $(LDFLAGS) $(OBJS) |