1 files changed, 179 insertions, 0 deletions

diff --git a/platforms/avr/platform.mk b/platforms/avr/platform.mk
new file mode 100644
index 000000000..b45108736
--- /dev/null
+++ b/platforms/avr/platform.mk
@@ -0,0 +1,179 @@
+# Hey Emacs, this is a -*- makefile -*-
+##############################################################################
+# Compiler settings
+#
+CC = $(CC_PREFIX) avr-gcc
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+AR = avr-ar
+NM = avr-nm
+HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
+EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
+BIN =
+
+COMPILEFLAGS += -funsigned-char
+COMPILEFLAGS += -funsigned-bitfields
+COMPILEFLAGS += -ffunction-sections
+COMPILEFLAGS += -fdata-sections
+COMPILEFLAGS += -fpack-struct
+COMPILEFLAGS += -fshort-enums
+
+ASFLAGS += $(AVR_ASFLAGS)
+
+CFLAGS += $(COMPILEFLAGS) $(AVR_CFLAGS)
+CFLAGS += -fno-inline-small-functions
+CFLAGS += -fno-strict-aliasing
+
+CXXFLAGS += $(COMPILEFLAGS)
+CXXFLAGS += -fno-exceptions -std=c++11
+
+LDFLAGS +=-Wl,--gc-sections
+
+OPT_DEFS += -DF_CPU=$(F_CPU)UL
+
+MCUFLAGS = -mmcu=$(MCU)
+
+# List any extra directories to look for libraries here.
+#     Each directory must be seperated by a space.
+#     Use forward slashes for directory separators.
+#     For a directory that has spaces, enclose it in quotes.
+EXTRALIBDIRS =
+
+
+#---------------- External Memory Options ----------------
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# used for variables (.data/.bss) and heap (malloc()).
+#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# only used for heap (malloc()).
+#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
+
+EXTMEMOPTS =
+
+#---------------- Debugging Options ----------------
+
+# Debugging format.
+#     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
+#     AVR Studio 4.10 requires dwarf-2.
+#     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
+DEBUG = dwarf-2
+
+# For simulavr only - target MCU frequency.
+DEBUG_MFREQ = $(F_CPU)
+
+# Set the DEBUG_UI to either gdb or insight.
+# DEBUG_UI = gdb
+DEBUG_UI = insight
+
+# Set the debugging back-end to either avarice, simulavr.
+DEBUG_BACKEND = avarice
+#DEBUG_BACKEND = simulavr
+
+# GDB Init Filename.
+GDBINIT_FILE = __avr_gdbinit
+
+# When using avarice settings for the JTAG
+JTAG_DEV = /dev/com1
+
+# Debugging port used to communicate between GDB / avarice / simulavr.
+DEBUG_PORT = 4242
+
+# Debugging host used to communicate between GDB / avarice / simulavr, normally
+#     just set to localhost unless doing some sort of crazy debugging when
+#     avarice is running on a different computer.
+DEBUG_HOST = localhost
+
+#============================================================================
+
+# Convert hex to bin.
+bin: $(BUILD_DIR)/$(TARGET).hex
+ifeq ($(BOOTLOADER),lufa-ms)
+        $(eval BIN_PADDING=$(shell n=`expr 32768 - $(BOOTLOADER_SIZE)` && echo $$(($$n)) || echo 0))
+        $(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin --pad-to $(BIN_PADDING)
+else
+        $(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+endif
+        $(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
+
+# copy bin to FLASH.bin
+flashbin: bin
+        $(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
+
+# Generate avr-gdb config/init file which does the following:
+#     define the reset signal, load the target file, connect to target, and set
+#     a breakpoint at main().
+gdb-config:
+        @$(REMOVE) $(GDBINIT_FILE)
+        @echo define reset >> $(GDBINIT_FILE)
+        @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
+        @echo end >> $(GDBINIT_FILE)
+        @echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
+        @echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)
+ifeq ($(DEBUG_BACKEND),simulavr)
+        @echo load  >> $(GDBINIT_FILE)
+endif
+        @echo break main >> $(GDBINIT_FILE)
+
+debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
+ifeq ($(DEBUG_BACKEND), avarice)
+        @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
+        @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
+        $(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
+        @$(WINSHELL) /c pause
+
+else
+        @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
+        $(DEBUG_MFREQ) --port $(DEBUG_PORT)
+endif
+        @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
+
+
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT = $(OBJCOPY) --debugging
+COFFCONVERT += --change-section-address .data-0x800000
+COFFCONVERT += --change-section-address .bss-0x800000
+COFFCONVERT += --change-section-address .noinit-0x800000
+COFFCONVERT += --change-section-address .eeprom-0x810000
+
+
+
+coff: $(BUILD_DIR)/$(TARGET).elf
+        @$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
+        $(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
+
+
+extcoff: $(BUILD_DIR)/$(TARGET).elf
+        @$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
+        $(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof
+
+ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
+QMK_BOOTLOADER_TYPE = DFU
+else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
+QMK_BOOTLOADER_TYPE = HID
+endif
+
+bootloader:
+ifeq ($(strip $(QMK_BOOTLOADER_TYPE)),)
+        $(error Please set BOOTLOADER to "qmk-dfu" or "qmk-hid" first!)
+else
+        make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ clean
+        $(QMK_BIN) generate-dfu-header --quiet --keyboard $(KEYBOARD) --output lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Keyboard.h
+        $(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) -D__ASSEMBLER__ $(CFLAGS) $(OPT_DEFS) platforms/avr/bootloader_size.c 2> /dev/null | sed -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
+        $(eval PROGRAM_SIZE_KB=$(shell n=`expr $(MAX_SIZE) / 1024` && echo $$(($$n)) || echo 0))
+        $(eval BOOT_SECTION_SIZE_KB=$(shell n=`expr  $(BOOTLOADER_SIZE) / 1024` && echo $$(($$n)) || echo 0))
+        $(eval FLASH_SIZE_KB=$(shell n=`expr $(PROGRAM_SIZE_KB) + $(BOOT_SECTION_SIZE_KB)` && echo $$(($$n)) || echo 0))
+        make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ MCU=$(MCU) ARCH=$(ARCH) F_CPU=$(F_CPU) FLASH_SIZE_KB=$(FLASH_SIZE_KB) BOOT_SECTION_SIZE_KB=$(BOOT_SECTION_SIZE_KB)
+        printf "Bootloader$(QMK_BOOTLOADER_TYPE).hex copied to $(TARGET)_bootloader.hex\n"
+        cp lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Bootloader$(QMK_BOOTLOADER_TYPE).hex $(TARGET)_bootloader.hex
+endif
+
+production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
+        @cat $(BUILD_DIR)/$(TARGET).hex | awk '/^:00000001FF/ == 0' > $(TARGET)_production.hex
+        @cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
+        echo "File sizes:"
+        $(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex