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From d37359e7b2bd26da4d04fc97a94967cf457558e9 Mon Sep 17 00:00:00 2001
From: Denys Dmytriyenko <denys@ti.com>
Date: Tue, 6 Aug 2019 19:50:59 -0400
Subject: [PATCH] icss_uart: add Makefile for building firmware
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
---
firmware/icss_uart/src/Makefile | 125 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 125 insertions(+)
create mode 100644 firmware/icss_uart/src/Makefile
diff --git a/firmware/icss_uart/src/Makefile b/firmware/icss_uart/src/Makefile
new file mode 100644
index 0000000..4764622
--- /dev/null
+++ b/firmware/icss_uart/src/Makefile
@@ -0,0 +1,125 @@
+# PRU_CGT environment variable must point to the TI PRU code gen tools directory. E.g.:
+#(Desktop Linux) export PRU_CGT=/path/to/pru/code/gen/tools/ti-cgt-pru_2.x.y
+#(Windows) set PRU_CGT=C:/path/to/pru/code/gen/tools/ti-cgt-pru_2.x.y
+#(ARM Linux*) export PRU_CGT=/usr/share/ti/cgt-pru
+#
+# *ARM Linux also needs to create a symbolic link to the /usr/bin/ directory in
+# order to use the same Makefile
+#(ARM Linux) ln -s /usr/bin/ /usr/share/ti/cgt-pru/bin
+
+ifndef PRU_CGT
+define ERROR_BODY
+
+*******************************************************************************
+PRU_CGT environment variable is not set. Examples given:
+(Desktop Linux) export PRU_CGT=/path/to/pru/code/gen/tools/ti-cgt-pru_2.1.2
+(Windows) set PRU_CGT=C:/path/to/pru/code/gen/tools/ti-cgt-pru_2.1.2
+(ARM Linux*) export PRU_CGT=/usr/share/ti/cgt-pru
+
+*ARM Linux also needs to create a symbolic link to the /usr/bin/ directory in
+order to use the same Makefile
+(ARM Linux) ln -s /usr/bin/ /usr/share/ti/cgt-pru/bin
+*******************************************************************************
+
+endef
+$(error $(ERROR_BODY))
+endif
+
+# PRU_SSP environment variable must point to the PRU Software Support Package. E.g.:
+#(Desktop Linux) export PRU_SSP=/path/to/pru_software_support_package
+#(Windows) set PRU_SSP=C:/path/to/pru_software_support_package
+#(ARM Linux*) export PRU_SSP=/path/to/pru_software_support_package
+
+ifndef PRU_SSP
+define ERROR_BODY
+
+*******************************************************************************
+PRU_SSP environment variable must point to the PRU Software Support Package. E.g.:
+(Desktop Linux) export PRU_SSP=/path/to/pru_software_support_package
+(Windows) set PRU_SSP=C:/path/to/pru_software_support_package
+(ARM Linux*) export PRU_SSP=/path/to/pru_software_support_package
+PRU_CGT environment variable is not set. Examples given:
+*******************************************************************************
+
+endef
+$(error $(ERROR_BODY))
+endif
+
+MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
+CURRENT_DIR := $(notdir $(patsubst %/,%,$(dir $(MKFILE_PATH))))
+PROJ_NAME=$(CURRENT_DIR)
+LINKER_COMMAND_FILE=./AM335x_PRU.cmd
+LIBS=--library=$(PRU_SSP)/lib/rpmsg_lib.lib
+INCLUDE=--include_path=$(PRU_SSP)/include --include_path=$(PRU_SSP)/include/am335x
+STACK_SIZE=0x100
+HEAP_SIZE=0x100
+GEN_DIR=gen
+
+#Common compiler and linker flags (Defined in 'PRU Optimizing C/C++ Compiler User's Guide)
+CFLAGS=-v3 -o2 --display_error_number --endian=little --hardware_mac=on --asm_directory=$(GEN_DIR) --obj_directory=$(GEN_DIR) --pp_directory=$(GEN_DIR) -ppd -ppa -DICSS_REV2
+#Linker flags (Defined in 'PRU Optimizing C/C++ Compiler User's Guide)
+LFLAGS=--reread_libs --warn_sections --stack_size=$(STACK_SIZE) --heap_size=$(HEAP_SIZE)
+
+TARGET=$(GEN_DIR)/$(PROJ_NAME).out
+MAP=$(GEN_DIR)/$(PROJ_NAME).map
+OBJECTS=$(patsubst %.asm,$(GEN_DIR)/%.object,$(wildcard *.asm))
+OBJECTS+=$(patsubst %.c,$(GEN_DIR)/%.object,$(wildcard *.c))
+
+
+all: printStart $(TARGET) printEnd
+
+printStart:
+ @echo ''
+ @echo '************************************************************'
+ @echo 'Building project: $(PROJ_NAME)'
+
+printEnd:
+ @echo ''
+ @echo 'Output files can be found in the "$(GEN_DIR)" directory'
+ @echo ''
+ @echo 'Finished building project: $(PROJ_NAME)'
+ @echo '************************************************************'
+ @echo ''
+
+# Invokes the linker (-z flag) to make the .out file
+$(TARGET): $(OBJECTS) $(LINKER_COMMAND_FILE)
+ @echo ''
+ @echo 'Building target: $@'
+ @echo 'Invoking: PRU Linker'
+ $(PRU_CGT)/bin/clpru $(CFLAGS) -z -i$(PRU_CGT)/lib -i$(PRU_CGT)/include $(LFLAGS) -o $(TARGET) $(OBJECTS) -m$(MAP) $(LINKER_COMMAND_FILE) --library=libc.a $(LIBS)
+ @echo 'Finished building target: $@'
+
+# Invokes the compiler on all assembly files in the directory to create the object files
+$(GEN_DIR)/%.object: %.asm
+ @mkdir -p $(GEN_DIR)
+ @echo ''
+ @echo 'Building file: $<'
+ @echo 'Invoking: PRU Compiler'
+ $(PRU_CGT)/bin/clpru --include_path=$(PRU_CGT)/include $(INCLUDE) $(CFLAGS) -fe $@ $<
+
+# Invokes the compiler on all c files in the directory to create the object files
+$(GEN_DIR)/%.object: %.c
+ @mkdir -p $(GEN_DIR)
+ @echo ''
+ @echo 'Building file: $<'
+ @echo 'Invoking: PRU Compiler'
+ $(PRU_CGT)/bin/clpru -k --include_path=$(PRU_CGT)/include $(INCLUDE) $(CFLAGS) -fe $@ $<
+
+.PHONY: all clean
+
+# Remove the $(GEN_DIR) directory
+clean:
+ @echo ''
+ @echo '************************************************************'
+ @echo 'Cleaning project: $(PROJ_NAME)'
+ @echo ''
+ @echo 'Removing files in the "$(GEN_DIR)" directory'
+ @rm -rf $(GEN_DIR)
+ @echo ''
+ @echo 'Finished cleaning project: $(PROJ_NAME)'
+ @echo '************************************************************'
+ @echo ''
+
+# Includes the dependencies that the compiler creates (-ppd and -ppa flags)
+-include $(OBJECTS:%.object=%.pp)
+
--
2.7.4
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