diff options
| -rw-r--r-- | atmel-samd/Makefile | 8 | ||||
| -rw-r--r-- | tools/build_memory_info.py | 65 |
2 files changed, 68 insertions, 5 deletions
diff --git a/atmel-samd/Makefile b/atmel-samd/Makefile index cbfe4fc0a..d6e2090f5 100644 --- a/atmel-samd/Makefile +++ b/atmel-samd/Makefile @@ -139,12 +139,10 @@ CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool CFLAGS += -DMICROPY_MODULE_FROZEN_MPY endif -LIBGCC_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) LIBM_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-file-name=libm.a) -LDFLAGS = -L asf/thirdparty/CMSIS/Lib/GCC/ -L QTouch/ -L $(dir $(LIBGCC_FILE_NAME)) -L $(dir $(LIBM_FILE_NAME)) -nostdlib -T $(LD_FILE) -Map=$@.map --cref --gc-sections +LDFLAGS = -Lasf/thirdparty/CMSIS/Lib/GCC/ -LQTouch/ -L$(dir $(LIBM_FILE_NAME)) -Wl,-nostdlib -Wl,-T,$(LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections -specs=nano.specs LIBS = -larm_cortexM0l_math -lsamd21_qtouch_gcc -lm -lgcc -lc - SRC_ASF = $(addprefix asf/sam0/,\ drivers/adc/adc_sam_d_r/adc.c \ drivers/dac/dac_sam_d_c/dac.c \ @@ -260,8 +258,8 @@ all: $(BUILD)/firmware.bin $(BUILD)/firmware.elf: $(OBJ) $(ECHO) "LINK $@" - $(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LIBS) - $(Q)$(SIZE) $@ + $(Q)$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group + $(Q)$(SIZE) $@ | python3 ../tools/build_memory_info.py $(LD_FILE) $(BUILD)/firmware.bin: $(BUILD)/firmware.elf $(ECHO) "Create $@" diff --git a/tools/build_memory_info.py b/tools/build_memory_info.py new file mode 100644 index 000000000..af871c0ce --- /dev/null +++ b/tools/build_memory_info.py @@ -0,0 +1,65 @@ +#!/usr/bin/env python3 +# +# This file is part of the MicroPython project, http://micropython.org/ +# +# The MIT License (MIT) +# +# Copyright (c) 2017 Scott Shawcroft for Adafruit Industries +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +import sys + +print() + +text = 0 +data = 0 +bss = 0 +# stdin is the linker output. +for line in sys.stdin: + line = line.strip() + if not line.startswith("text"): + text, data, bss = map(int, line.split()[:3]) + +regions = {} +# This file is the linker script. +with open(sys.argv[1], "r") as f: + for line in f: + line = line.strip() + if line.startswith(("FLASH", "RAM")): + regions[line.split()[0]] = line.split("=")[-1] + +for region in regions: + space = regions[region] + if "/*" in space: + space = space.split("/*")[0] + regions[region] = eval(space) + +free_flash = regions["FLASH"] - text - data +free_ram = regions["RAM"] - data - bss +print(free_flash, "bytes free in flash out of", regions["FLASH"], "bytes (", regions["FLASH"] / 1024, "kb ).") +print(free_ram, "bytes free in ram for stack out of", regions["RAM"], "bytes (", regions["RAM"] / 1024, "kb ).") +print() + +# Check that we have free flash space. GCC doesn't fail when the text + data +# sections don't fit in FLASH. It only counts data in RAM. +if free_flash < 0: + print("Too little flash!!!") + print() + sys.exit(-1) |