build:fix makefiles, add boot target to root makefile

Makefile

@@ -28,11 +28,12 @@ include common.mk
 soctarget ?= atombones
 
 # Directories
-sim_dir  	:= sim
-scar_dir 	:= test/scar
-elfdump_dir := tools/elfdump
-lib_dir		:= sw/lib
-doxy_dir	:= sim/docs
+sim_dir  		:= sim
+scar_dir 		:= test/scar
+elfdump_dir 	:= tools/elfdump
+bootloader_dir 	:= sw/bootloader
+lib_dir			:= sw/lib
+doxy_dir		:= sim/docs
 
 # Flags to the makefiles
 MKFLAGS := -s
@@ -46,12 +47,13 @@ endif
 # Recepies
 #======================================================================
 
-default: sim lib   					## Build sim, elfdump, and libs
+default: sim lib boot  				## Build sim, elfdump, and libs
 	@printf "\n$(CLR_GR)==============================\n"
 	@printf "       Build Succesful!\n"
 	@printf "==============================$(CLR_NC)\n"
 	@printf " - atomsim [$(soctarget)]\n"
 	@printf " - software libraries\n"
+	@printf " - bootloader [$(soctarget)]\n"
 
 all : doxy-pdf default				## Build default with docs
 	@printf " - doxygen-docs in latex, html & pdf\n"
@@ -93,6 +95,20 @@ clean-sim:							## Clean atomsim build files
 test:								## Test the build using banner example
 	cd sw/examples && make ex=banner sim=true clean compile run
 
+
+# ======== Bootloader ========
+.PHONY : boot
+boot:                       		## Build bootloader for given target [default: atombones]
+	@printf "$(CLR_GR)>> Building bootloader [soctarget:$(soctarget)] $(CLR_NC)\n"
+	make $(MKFLAGS) -C $(bootloader_dir) soctarget=$(soctarget)
+
+
+.PHONY: clean-boot
+clean-boot:							## Clean bootloader build files
+	@printf "$(CLR_GR)>> Cleaning bootloader build files $(CLR_NC)\n"
+	make $(MKFLAGS) -C $(bootloader_dir) soctarget=$(soctarget) clean
+
+
 # ======== SCAR ========
 .PHONY: scar     			
 scar: $(bin_dir)/$(sim_executable)	## Verify target using scar
@@ -156,4 +172,4 @@ clean: clean-sim clean-lib					## Alias for clean-sim, clean-lib
 
 
 .PHONY: clean-all					
-clean-all: clean-sim clean-scar clean-elfdump clean-lib clean-doxy  ## Clean all build files
+clean-all: clean-sim clean-boot clean-scar clean-elfdump clean-lib clean-doxy  ## Clean all build files

sw/examples/Makefile

@@ -82,7 +82,7 @@ endif
 
 RVPREFIX := riscv64-unknown-elf
 CFLAGS := -Wall
-CFLAGS += -mabi=ilp32 -march=rv32i -nostartfiles -ffreestanding -Os
+CFLAGS += -mabi=ilp32 -march=rv32i -nostartfiles -ffreestanding -Os -g
 CFLAGS += -I $(RVATOM_LIB)/include -L $(RVATOM_LIB)
 
 LINKERSCRIPT := None
@@ -104,7 +104,7 @@ ifeq ($(__check_soctarget),true)
     # check for validity of soctarget & select compile script
     ifeq ($(soctarget),atombones)
         CFLAGS += -DTARGET_ATOMBONES
-        LINKERSCRIPT:= $(RVATOM_LIB)/link/link.ld
+        LINKERSCRIPT:= $(RVATOM_LIB)/link/link_atombones.ld
     else
     ifeq ($(soctarget),hydrogensoc)
         CFLAGS += -DTARGET_HYDROGENSOC
@@ -204,7 +204,7 @@ $(ex)/$(executable): $(SRC_FILES)
 	cd $(ex) && $(RVPREFIX)-gcc $(CFLAGS) $(src_files) -o $(executable) $(LFLAGS)
 
 ifeq ($(objdump), true)
-	$(RVPREFIX)-objdump -htd $@ > [email protected]
+	$(RVPREFIX)-objdump -Shtd $@ > [email protected]
 endif
 
 ifeq ($(bin), true)

sw/lib/Makefile

@@ -1,9 +1,6 @@
 ##################################################
 # ******** Makefile for Building libcatom ********
 
-
-
-
 include ../../common.mk
 ##################################################
 soctarget?=None
@@ -15,6 +12,8 @@ soctarget?=None
 # user application to enable gcc garbage collection
 OPT = true
 
+DEBUG ?= 1
+
 ##################################################
 # targets for which we don't need soctarget to be defined
 __check_soctarget := true
@@ -58,6 +57,10 @@ ifeq ($(OPT), true)	# For optimized code
 	CFLAGS+= -fdata-sections -ffunction-sections
 endif
 
+ifeq ($(DEBUG), 1)
+CFLAGS += -g -O0
+endif
+
 # Common sources
 C_SRCS := $(wildcard $(SRC_DIR)/*.c)
 S_SRCS := $(wildcard $(SRC_DIR)/*.S)