# ==============================================================================
# H2 CORE PLATFORM v6.1  --  LVGL + 16 OreBolt OS Modules
# ==============================================================================
# v1.4: bumped from v6.0 to v6.1 to reflect the X1000E SoC correction and
#       the FiiO M3K kernel-headers integration.  All -I paths now point at
#       $(KERNEL_HEADERS)/include/uapi and arch/mips/include.
# ==============================================================================

CROSS    ?= mipsel-linux-musl-
CC        := $(CROSS)gcc
STRIP     := $(CROSS)strip
AR        := $(CROSS)ar
RANLIB    := $(CROSS)ranlib

# v1.4: target the actual H2 SoC.  -march=mips32r2 matches the X1000E core
# (the JZ4760 family).  -mhard-float is required -- the X1000E has an FPU.
ARCHFLAGS := -march=mips32r2 -mhard-float -Os -fPIC -fno-strict-aliasing \
             -fno-common -Wall -Wextra -Wno-unused-parameter

# v1.4: kernel headers root comes from the master Makefile (or env).
KERNEL_HEADERS ?= /opt/fiio-m3k-linux

# Header search path:
#   1. workspace-local include/         (project headers: h2_ui.h, log_manager.h)
#   2. $(KERNEL_HEADERS)/include/uapi   (Linux uapi -- clean, GPL)
#   3. $(KERNEL_HEADERS)/include        (kernel-internal headers used by some drivers)
#   4. $(KERNEL_HEADERS)/arch/mips/include
#   5. $(KERNEL_HEADERS)/arch/mips/include/asm/mach-jz4760   (X1000E SoC headers)
#   6. lvgl/ and lv_drivers/            (cloned by build.sh Phase 5)
INCLUDES  := -Iinclude \
             -I$(KERNEL_HEADERS)/include/uapi \
             -I$(KERNEL_HEADERS)/include \
             -I$(KERNEL_HEADERS)/arch/mips/include \
             -I$(KERNEL_HEADERS)/arch/mips/include/asm/mach-jz4760 \
             -Ilvgl -Ilvgl/src -Ilv_drivers

CFLAGS    := $(ARCHFLAGS) $(INCLUDES) -DLV_CONF_INCLUDE_SIMPLE=1 \
             -DLV_LVGL_H_INCLUDE_SIMPLE=1
LDFLAGS   := -Loverlay/usr/lib -Wl,-rpath,/usr/lib
LDLIBS    := -llvgl -lm -ldl -lpthread

# v1.4: 16 modules (was 13 in SHA256SUMS, advertised as 16 in master Makefile
# and PREREQUISITES).  v1.4 reconciles to 16.
MODULES := \
	vault:modules/orebolt-vault/vault.c \
	nettap:modules/orebolt-nettap/scalpel.c \
	deploy:modules/orebolt-deploy/deploy.c \
	studio:modules/orebolt-studio/studio.c \
	probe:modules/orebolt-probe/probe.c \
	vterm:modules/orebolt-vterm/vterm.c \
	radar:modules/orebolt-radar/noise_radar.c \
	ducky:modules/orebolt-ducky/ducky.c \
	extract:modules/orebolt-extract/extract.c \
	noise:modules/orebolt-noise/noise.c \
	reset:modules/orebolt-reset/reset.c \
	emulate:modules/orebolt-emulate/emulator.c \
	emulator_input_mapper:modules/orebolt-emulate/emulator_input_mapper.c \
	rfid:modules/orebolt-rfid/rfid.c \
	wifi:modules/orebolt-wifi/wifi.c \
	glitch:modules/orebolt-glitch/glitch.c \
	pwdb:modules/orebolt-pwdb/pwdb.c \
	bitchat:modules/orebolt-bitchat/bitchat.c

.PHONY: all clean lvgl modules launcher mapper

all: lvgl launcher mapper modules

# --- LVGL shared library -----------------------------------------------------
lvgl:
	@if [ ! -d lvgl/src ]; then \
		echo "[-] lvgl/src not found.  Run build.sh Phase 5 first, or:"; \
		echo "    git clone --depth 1 -b v8.3.11 https://github.com/lvgl/lvgl.git"; \
		echo "    git clone --depth 1 -b v8.3.0 https://github.com/lvgl/lv_drivers.git"; \
		exit 1; \
	fi
	@echo ">>> Building liblvgl.so (v8.3.11)..."
	$(CC) $(CFLAGS) -shared -fPIC \
		lvgl/src/*.c lvgl/src/draw/*.c lvgl/src/draw/sw/*.c \
		lvgl/src/font/*.c lvgl/src/misc/*.c lvgl/src/widgets/*.c \
		lvgl/src/extra/*.c lvgl/src/extra/layouts/*.c lvgl/src/extra/themes/*.c \
		-o overlay/usr/lib/liblvgl.so
	$(STRIP) overlay/usr/lib/liblvgl.so

# --- Master launcher ---------------------------------------------------------
launcher: lvgl
	@echo ">>> Building h2_test launcher..."
	$(CC) $(CFLAGS) main.c -o overlay/usr/bin/h2_test $(LDFLAGS) $(LDLIBS)
	$(STRIP) overlay/usr/bin/h2_test

# --- Emulator input mapper daemon --------------------------------------------
mapper: lvgl
	@echo ">>> Building emulator_input_mapper..."
	$(CC) $(CFLAGS) modules/orebolt-emulate/emulator_input_mapper.c \
		-o overlay/usr/bin/emulator_input_mapper $(LDFLAGS) $(LDLIBS)
	$(STRIP) overlay/usr/bin/emulator_input_mapper

# --- 16 module binaries ------------------------------------------------------
modules: lvgl
	@for entry in $(MODULES); do \
		name=$${entry%%:*}; \
		src=$${entry#*:}; \
		echo ">>> Building module: $$name"; \
		$(CC) $(CFLAGS) $$src -o overlay/apps/$$name.mod \
			$(LDFLAGS) $(LDLIBS) || exit 1; \
		$(STRIP) overlay/apps/$$name.mod; \
	done

clean:
	rm -f overlay/usr/lib/liblvgl.so
	rm -f overlay/usr/bin/h2_test
	rm -f overlay/usr/bin/emulator_input_mapper
	rm -f overlay/apps/*.mod