small system SRAM info output

[cortex-from-scratch] / Makefile

diff --git a/Makefile b/Makefile
index cc01e47..788955b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,25 +1,50 @@
-CC=$(TOOLROOT)/arm-none-eabi-gcc
+# Copyright 2019 - Robin Krens
+# Cross compilers links
+CC=arm-none-eabi-gcc
 LD=arm-none-eabi-ld
 AR=$(TOOLROOT)/arm-none-eabi-ar
 AS=arm-none-eabi-as
 MKIMG=arm-none-eabi-objcopy
 
+# Compiler flags
+# TODO:Cortex-m3 or Cortex-m0?
 LDFLAGS+= -mthumb -mcpu=cortex-m3 
-CFLAGS+= -mcpu=cortex-m3 -mthumb 
+CFLAGS+= -mcpu=cortex-m3 -mthumb -g 
 
+# Start up machine assembly
 as: 
        $(AS) $(CFLAGS) -o start.o start.asm
 
+# Compile and link all
 all:
        $(AS) $(CFLAGS) -o start.o start.asm
-       $(LD) -T link.ld -o start.out start.o
-       $(MKIMG) -Obinary start.out kernel.bin
-
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o main.o main.c
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o uart.o uart.c
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o ivt.o ivt.c 
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o systick.o systick.c 
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o sysinfo.o sysinfo.c 
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o lib.o lib.c 
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o mm.o mm.c 
+       $(CC) $(CFLAGS) -c -I./include -ffreestanding -o regf.o regf.c 
+       $(LD) -nostartfiles -T link.ld -o start.out start.o main.o uart.o ivt.o systick.o sysinfo.o lib.o mm.o regf.o
+       $(MKIMG) -Obinary -R .data start.out kernel.bin
+
+# Run in Qemu; note this is a patched version for stm32-f103c8
 run:
-       qemu-system-arm -monitor stdio -M lm3s6965evb -kernel kernel.bin
+       /usr/local/bin/qemu-system-arm -serial stdio  -M stm32-f103c8 -kernel kernel.bin
+
+# Examine all sections
+examine-all:
+       arm-none-eabi-objdump -D start.out | less
+
+# Examine just headers
+examine-header:
+       arm-none-eabi-objdump -x start.out | less
+
+# Flash kernel to board
+flash:
+       stm32flash -w kernel.bin -v /dev/ttyUSB0
 
-examine:
-       arm-none-eabi-objdump -S start.out
 
 %.o: %.c
        $(CC) -c $(CFLAGS) $< -o $@