path: root/nuttx/arch/Kconfig

#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#

choice
	prompt "CPU Architecture"
	default ARCH_ARM

config ARCH_8051
	bool "8051"
	---help---
		Intel 8051 architectures and derivaties

config ARCH_ARM
	bool "ARM"
	---help---
		The ARM architectures

config ARCH_AVR
	bool "AVR"
	select ARCH_NOINTC
	---help---
		Atmel 8-bit bit AVR and 32-bit AVR32 architectures

config ARCH_HC
	bool "Freescale HC"
	select ARCH_NOINTC
	---help---
		Freescale HC architectures (M9S12)

config ARCH_MIPS
	bool "MIPS"
	---help---
		MIPS architectures (PIC32)

config ARCH_RGMP
	bool "RGMP"
	---help---
		RTOS and GPOS on Multi-Processor (RGMP) architecture.  See 
		http://rgmp.sourceforge.net/wiki/index.php/Main_Page.

config ARCH_SH
	bool "Renesas"
	select ARCH_NOINTC
	---help---
		Renesas architectures (SH and M16C).

config ARCH_SIM
	bool "Simulation"
	---help---
		Linux/Cywgin user-mode simulation.

config ARCH_X86
	bool "x86"
	---help---
		Intel x86 architectures.

config ARCH_Z16
	bool "ZNEO"
	select ARCH_HAVE_HEAP2
	---help---
		ZiLOG ZNEO 16-bit architectures (z16f).

config ARCH_Z80
	bool "z80"
	select ARCH_HAVE_HEAP2
	---help---
		ZiLOG 8-bit architectures (z80, ez80, z8).

endchoice

config ARCH
	string
	default "8051"	if ARCH_8051
	default "arm"	if ARCH_ARM
	default "avr"	if ARCH_AVR
	default "hc"	if ARCH_HC
	default "mips"	if ARCH_MIPS
	default "rgmp"	if ARCH_RGMP
	default "sh"	if ARCH_SH
	default "sim"	if ARCH_SIM
	default "x86"	if ARCH_X86
	default "z16"	if ARCH_Z16
	default "z80"	if ARCH_Z80

source arch/8051/Kconfig
source arch/arm/Kconfig
source arch/avr/Kconfig
source arch/hc/Kconfig
source arch/mips/Kconfig
source arch/rgmp/Kconfig
source arch/sh/Kconfig
source arch/sim/Kconfig
source arch/x86/Kconfig
source arch/z16/Kconfig
source arch/z80/Kconfig

comment "Architecture Options"

config ARCH_NOINTC
	bool
	default n

config ARCH_STACKDUMP
	bool "Dump stack on assertions"
	default n
	---help---
		Enable to do stack dumps after assertions

comment "Board Settings"

config BOARD_LOOPSPERMSEC
	int "Loops per millisecond"
	help
		Must be calibrated for correct operation of delay loops.
		You simply use a stop watch to measure the 100 second delay
		then adjust CONFIG_BOARD_LOOPSPERMSEC until it is actually
		is 100 seconds.

config DRAM_START
	hex "DRAM start physical address"
	help
		The physical start address of installed RAM.  Despite the naming,
		this may be SDRAM or SRAM or any other RAM technology that support
		program execution.

config DRAM_VSTART
	hex "DRAM start virtual address"
	depends on ARCH_HAVE_MMU
	help
		The virtual start address of installed RAM.  Despite the naming,
		this may be SDRAM or SRAM or any other RAM technology that support
		program execution.

config DRAM_SIZE
	int "DRAM size"
	help
		The size in bytes of the installed RAM.  Despite the naming,
		this may be SDRAM or SRAM or any other RAM technology that support
		program execution.

comment "Boot options"

choice
	prompt "Boot Mode"
	default BOOT_RUNFROMFLASH

config BOOT_RUNFROMEXTSRAM
	bool "Run from external SRAM"
	---help---
		Some configuration support booting and running from external SRAM.

config BOOT_RUNFROMFLASH
	bool "Boot and run from flash"
	---help---
		Most configurations support XIP operation from FLASH but must copy
		initialized .data sections to RAM. (This is the default).

config BOOT_RUNFROMISRAM
	bool "Boot and run from internal SRAM"
	---help---
		Some configuration support booting and running from internal SRAM.

config BOOT_RUNFROMSDRAM
	bool "Boot and run from external SDRAM"
	---help---
		Some configuration support booting and running from external SDRAM.

config BOOT_COPYTORAM
	bool "Boot from FLASH but copy to ram"
	---help---
		Some configurations boot in FLASH but copy themselves entirely into
		RAM for better performance.

endchoice