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#
# General CPU info denfinition for Cortex-M3-based boards.
#
# This file contain all info for the BeRTOS wizard.
#
# \author Andrea Righi <arighi@develer.com>
#
#

# Import the common settings for the path.
include("../../path.common")

# Short description of the cpu.
CPU_DESC = ["ARM Cortex-M3",
	  "ARMv7-M Thumb-2 ISA",
	  "16-bit and 32-bit RISC Architecture"]

# Type of the toolchain we should use to compile the source for this CPU.
TOOLCHAIN = "arm"

# If we use the GCC compiler we should pass some flags.
CORE_CPU = "cortex-m3"

# Name of the flag used by the build system to pass to the compiler the CPU type.
MK_CPU = CORE_CPU

# Special CPU related tags.
CPU_TAGS = ["cm3"]

# Where are locate the bertos directories
SCRIPT_DIR = CPU_DIR + "cortex-m3/scripts/"
HW_DIR = CPU_DIR + "cortex-m3/hw/"
DRV_DIR = CPU_DIR + "cortex-m3/drv/"

MK_STOPFLASH_SCRIPT = PRG_SCRIPTS_DIR + "arm/stopopenocd.sh"
MK_DEBUG_SCRIPT = PRG_SCRIPTS_DIR + "arm/debug.sh"
MK_STOPDEBUG_SCRIPT = PRG_SCRIPTS_DIR + "arm/stopopenocd.sh"

GDB_INIT_SCRIPT = PRG_SCRIPTS_DIR + "arm/openocd/gdbinit-sam7"

# Common GCC flags.
MK_CPU_CPPAFLAGS = "-g -gdwarf-2 -mthumb -mno-thumb-interwork"
MK_CPU_CPPFLAGS = "-O0 -g3 -gdwarf-2 -mthumb -mno-thumb-interwork -fno-strict-aliasing -fwrapv -fverbose-asm -I" + CPU_DIR + "cortex-m3/"
MK_CPU_LDFLAGS = "-mthumb -mno-thumb-interwork -nostartfiles -Wl,--no-warn-mismatch"

# CRT files.
MK_CPU_CPPASRC = HW_DIR + "crt_cm3.S " + HW_DIR + "vectors_cm3.S "
MK_CPU_CSRC = HW_DIR + "init_cm3.c " + DRV_DIR + "irq_cm3.c "