2022-01-28 22:58:46 +00:00
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OPENOCD_HOST ?= localhost
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OPENOCD_PORT_GDB ?= 3333
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OPENOCD_PORT_TELNET ?= 4444
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PREFIX ?= arm-none-eabi-
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CC = $(PREFIX)gcc
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2022-01-29 01:26:40 +00:00
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CFLAGS = -mcpu=arm1176jzf-s -Wall
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2022-01-28 22:58:46 +00:00
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LDFLAGS = -T rpi.ld -nostartfiles -nostdlib
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GDB ?= $(PREFIX)gdb
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PYTHON3 ?= python3
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NC ?= nc
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2022-01-29 02:24:18 +00:00
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LNXPREFIX ?= arm-linux-gnueabihf-
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LNXCC = $(LNXPREFIX)gcc
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2022-01-28 22:58:46 +00:00
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default: all
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all: rpi.elf
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rpi.o: rpi.c
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$(CC) $(CFLAGS) -c -o "$@" "$<"
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rpi.elf: rpi.o
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$(CC) $(CFLAGS) $(LDFLAGS) -o "$@" $^
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2022-01-29 01:26:40 +00:00
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#jazelle.S: ../jazelle.c
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# $(CC) $(CFLAGS) -S -o "$@" "$<"
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jazelle.o: ../jazelle.c
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$(CC) $(CFLAGS) -c -o "$@" "$<"
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2022-01-29 02:24:18 +00:00
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jazlinux: linux.c ../jazelle.c
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$(LNXCC) $(CLFAGS) -o "$@" $^
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2022-01-28 22:58:46 +00:00
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openocd-launch:
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openocd -f interface/cmsis-dap.cfg -c "transport select jtag" \
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-c "adapter speed 50" -f target/bcm2835.cfg \
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-c init -c scan_chain
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openocd-load: rpi.elf
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printf 'halt\nload_image rpi.elf\nexit\n' \
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| nc $(OPENOCD_HOST) $(OPENOCD_PORT_TELNET)
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gdb:
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$(GDB) -ex 'target extended-remote $(OPENOCD_HOST):$(OPENOCD_PORT_GDB)' \
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-ex 'set $$pc=_start' \
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$(GDB_EXTRA_CMDS) \
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rpi.elf
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clean:
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@$(RM) -v rpi.o rpi.elf
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.PHONY: all clean openocd-launch openocd-load gdb
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