From 6bdfa059a45b8b0dffc392e994827467463f0103 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Tue, 5 Dec 2017 16:00:05 +0100
Subject: Add basic ESP8266 support

---
 src/arch/esp8266/Makefile.inc | 46 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/arch/esp8266/Makefile.inc

(limited to 'src/arch/esp8266/Makefile.inc')

diff --git a/src/arch/esp8266/Makefile.inc b/src/arch/esp8266/Makefile.inc
new file mode 100644
index 0000000..3f7f9ff
--- /dev/null
+++ b/src/arch/esp8266/Makefile.inc
@@ -0,0 +1,46 @@
+# vim:ft=make
+
+TOOLCHAIN_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/bin
+SDK_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/xtensa-lx106-elf/sysroot/usr
+ESPTOOL = esptool
+PORT = /dev/ttyUSB0
+
+CC = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc
+CXX = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-g++
+AR = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-ar
+LD = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc
+
+INCLUDES += -Iinclude/esp8266 -I${SDK_BASE}/include
+COMMON_FLAGS += -nostdlib -mlongcalls
+CXXFLAGS = -std=c++11
+LDFLAGS += -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
+
+TARGETS += src/arch/esp8266/arch.cc src/arch/esp8266/driver/gpio.cc
+
+OBJECTS = ${TARGETS:.cc=.o}
+
+.cc.o:
+	${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
+
+build/system.ar: ${OBJECTS}
+	${AR} cru $@ ${OBJECTS}
+
+build/system.elf: build/system.ar
+	${CC} -L${SDK_BASE}/lib -T${SDK_BASE}/lib/eagle.app.v6.ld ${LDFLAGS} \
+		-Wl,--start-group -lc -lgcc -lhal -lpp -lphy -lnet80211 -llwip -lwpa \
+		-lmain $< -Wl,--end-group -o $@
+
+build/0x00000.bin: build/system.elf
+	${ESPTOOL} --chip esp8266 elf2image -o build/ $<
+
+build/0x40000.bin: build/0x00000.bin
+	# also created by commandline for 0x00000.bin
+
+program: build/0x00000.bin build/0x40000.bin
+	${ESPTOOL} write_flash 0x00000 build/0x00000.bin 0x40000 build/0x40000.bin
+
+arch_clean:
+	rm -f ${OBJECTS}
+	rm -f build/system.ar
+
+.PHONY: arch_clean program
-- 
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