############################################################################
# apps/interpreters/wamr/Toolchain.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

# Wasm32 toolchain setting
# Target: wasm32-unknown-wasi

WCC ?= $(WASI_SDK_PATH)/bin/clang
WAR ?= $(WASI_SDK_PATH)/bin/llvm-ar rcs
WRC ?= wamrc
WSYSROOT ?= $(TOPDIR)

CFLAGS_STRIP = -fsanitize=kernel-address -fsanitize=address -fsanitize=undefined
CFLAGS_STRIP += $(ARCHCPUFLAGS) $(ARCHCFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(ARCHOPTIMIZATION) $(EXTRAFLAGS)

WCFLAGS += $(filter-out $(CFLAGS_STRIP),$(CFLAGS))
WCFLAGS += --sysroot=$(WSYSROOT) -nostdlib -D__NuttX__

WLDFLAGS = -z stack-size=$(STACKSIZE) -Wl,--initial-memory=$(INITIAL_MEMORY)
WLDFLAGS += -Wl,--export=main -Wl,--export=__main_argc_argv
WLDFLAGS += -Wl,--export=__heap_base -Wl,--export=__data_end
WLDFLAGS += -Wl,--no-entry -Wl,--strip-all -Wl,--allow-undefined

ifeq ($(CONFIG_ARCH_ARM),y)
  ifeq ($(CONFIG_ARM_THUMB),y)
    WTARGET = thumb
  else
    WTARGET = arm
  endif

  ifeq ($(CONFIG_ARCH_CORTEXM85),y)
    WTARGET := $(WTARGET)v8.1m.main
    WCPU     = --cpu=cortex-m85
  else ifeq ($(CONFIG_ARCH_CORTEXM55),y)
    WTARGET := $(WTARGET)v8.1m.main
    WCPU     = --cpu=cortex-m55
  else ifeq ($(CONFIG_ARCH_CORTEXM35P),y)
    WTARGET := $(WTARGET)v8m.main
    WCPU     = --cpu=cortex-m35p
  else ifeq ($(CONFIG_ARCH_CORTEXM33),y)
    WTARGET := $(WTARGET)v8m.main
    WCPU     = --cpu=cortex-m33
  else ifeq ($(CONFIG_ARCH_CORTEXM23),y)
    WTARGET := $(WTARGET)v8m.main
    WCPU     = --cpu=cortex-m23
  else ifeq ($(CONFIG_ARCH_CORTEXM7),y)
    WTARGET := $(WTARGET)v7em
    WCPU     = --cpu=cortex-m7
  else ifeq ($(CONFIG_ARCH_CORTEXM4),y)
    WTARGET := $(WTARGET)v7em
    WCPU     = --cpu=cortex-m4
  else ifeq ($(CONFIG_ARCH_CORTEXM3),y)
    WTARGET := $(WTARGET)v7em
    WCPU     = --cpu=cortex-m3
  else ifeq ($(CONFIG_ARCH_CORTEXM0),y)
    WTARGET := $(WTARGET)v6m
    WCPU     = --cpu=cortex-m0
  endif

  ifeq ($(CONFIG_ARCH_CORTEXA5),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-a5
  else ifeq ($(CONFIG_ARCH_CORTEXA7),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-a7
  else ifeq ($(CONFIG_ARCH_CORTEXA8),y)
    WTARGET := $(WTARGET)armv8a
    WCPU     = --cpu=cortex-a8
  else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-a9
  endif

  ifeq ($(CONFIG_ARCH_CORTEXR4),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-r4
  else ifeq ($(CONFIG_ARCH_CORTEXR5),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-r5
  else ifeq ($(CONFIG_ARCH_CORTEXR7),y)
    WTARGET := $(WTARGET)armv7
    WCPU     = --cpu=cortex-r7
  endif

else ifeq ($(CONFIG_ARCH_RISCV),y)
  ifeq ($(CONFIG_ARCH_RV64),y)
    WTARGET = riscv64
  else
    WTARGET = riscv32
  endif
else ifeq ($(CONFIG_ARCH_XTENSA),y)
  WTARGET = xtensa
else ifeq ($(CONFIG_ARCH_X86_64),y)
  WTARGET = x86_64
else ifeq ($(CONFIG_ARCH_X86),y)
  WTARGET = i386
else ifeq ($(CONFIG_ARCH_MIPS),y)
  WTARGET = mips
else ifeq ($(CONFIG_ARCH_SIM),y)
  RCFLAGS += --disable-simd
  ifeq ($(CONFIG_SIM_M32),y)
    WTARGET = i386
  else
    WTARGET = x86_64
  endif
endif

RCFLAGS += --target=$(WTARGET) $(WCPU)

define LINK_WAMR
	$(if $(wildcard $(APPDIR)$(DELIM)wasm$(DELIM)*.wo), \
	  $(foreach bin,$(wildcard $(APPDIR)$(DELIM)wasm$(DELIM)*.wo), \
	    $(eval INITIAL_MEMORY=$(shell echo $(notdir $(bin)) | cut -d'#' -f2)) \
	    $(eval STACKSIZE=$(shell echo $(notdir $(bin)) | cut -d'#' -f3)) \
	    $(eval PROGNAME=$(shell echo $(notdir $(bin)) | cut -d'#' -f1)) \
	    $(eval WAMRMODE=$(shell echo $(notdir $(bin)) | cut -d'#' -f5)) \
	    $(shell $(WCC) $(bin) $(WBIN) $(WCFLAGS) $(WLDFLAGS) -o $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).wasm) \
	    $(if $(CONFIG_INTERPRETERS_WAMR_AOT), \
	      $(if $(filter AOT,$(WAMRMODE)), \
	        $(info Wamrc Generate AoT: $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).aot) \
	        $(shell $(WRC) $(RCFLAGS) -o $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).aot \
	                          $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).wasm > /dev/null), \
	        $(if $(filter XIP,$(WAMRMODE)), \
	          $(info Wamrc Generate XiP: $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).xip) \
	          $(shell $(WRC) $(RCFLAGS) --enable-indirect-mode --disable-llvm-intrinsics \
	                         -o $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).xip \
	                            $(APPDIR)$(DELIM)wasm$(DELIM)$(PROGNAME).wasm > /dev/null) \
	         ) \
	       ) \
	     ) \
	   ) \
	 )
endef