At Sun, 15 Feb 2015 20:23:04 +0100, Paul Bolle wrote: > > On Sun, 2015-02-15 at 16:49 +0900, Yoshinori Sato wrote: > > Signed-off-by: Yoshinori Sato <ys...@users.sourceforge.jp> > > --- > > arch/h8300/Kconfig | 119 +++++++++++++++++++++++++++++++++++ > > arch/h8300/Kconfig.cpu | 136 > > ++++++++++++++++++++++++++++++++++++++++ > > arch/h8300/Kconfig.debug | 23 +++++++ > > arch/h8300/Makefile | 45 +++++++++++++ > > arch/h8300/kernel/Makefile | 16 +++++ > > arch/h8300/kernel/vmlinux.lds.S | 85 +++++++++++++++++++++++++ > > 6 files changed, 424 insertions(+) > > create mode 100644 arch/h8300/Kconfig > > create mode 100644 arch/h8300/Kconfig.cpu > > create mode 100644 arch/h8300/Kconfig.debug > > create mode 100644 arch/h8300/Makefile > > create mode 100644 arch/h8300/kernel/Makefile > > create mode 100644 arch/h8300/kernel/vmlinux.lds.S > > > > diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig > > new file mode 100644 > > index 0000000..828c356 > > --- /dev/null > > +++ b/arch/h8300/Kconfig > > @@ -0,0 +1,119 @@ > > +config H8300 > > + bool > > + default y > > + select HAVE_IDE > > + select GENERIC_ATOMIC64 > > + select HAVE_UID16 > > + select VIRT_TO_BUS > > + select ARCH_WANT_IPC_PARSE_VERSION > > + select GENERIC_IRQ_SHOW > > + select FRAME_POINTER > > + select GENERIC_CPU_DEVICES > > + select MODULES_USE_ELF_RELA > > + select GENERIC_CLOCKEVENTS > > + select CLKDEV_LOOKUP > > + select COMMON_CLK > > + select HAVE_ARCH_TRACEHOOK > > + select ARCH_WANT_FRAME_POINTERS > > + > > +config MMU > > + bool > > + default n > > + > > +config SWAP > > + bool > > + default n > > + > > MMU will always be 'n'. (So the entry for MMU is not strictly needed, > but I guess it is clearer to explicitly set this to 'n'.) But that means > there's no reason here to mask the global SWAP config (see > init/Kconfig), as that will also always be 'n' for H8300.
OK. remove it. > > +config ZONE_DMA > > + bool > > + default y > > + > > +config FPU > > + bool > > + default n > > Why is this needed? Inneeded. Remove it. > > + > > +config RWSEM_GENERIC_SPINLOCK > > + bool > > + default y > > + > > +config RWSEM_XCHGADD_ALGORITHM > > + bool > > + default n > > Not strictly needed. OK. > > > +config ARCH_HAS_ILOG2_U32 > > + bool > > + default n > > + > > Ditto. > > > +config ARCH_HAS_ILOG2_U64 > > + bool > > + default n > > + > > Ditto. > > > +config GENERIC_HWEIGHT > > + bool > > + default y > > + > > +config GENERIC_CALIBRATE_DELAY > > + bool > > + default y > > + > > +config GENERIC_BUG > > + bool > > + depends on BUG > > + > > GENERIC_BUG can never be set for H8300, so this entry is not needed. OK. Remove. > > +config TIME_LOW_RES > > + bool > > + default y > > + > > +config NO_IOPORT_MAP > > + def_bool y > > + > > +config NO_DMA > > + def_bool n > > Not needed (please note that only a few architectures have an entry for > NO_DMA). OK. Remove. > > +config ISA > > + def_bool n > > + > > +config PCI > > + def_bool n > > + > > Neither ISA nor PCI will ever be set, won't they? So you might as well > drop these too. > > > +config HZ > > + int > > + default 100 > > + > > +config NR_CPUS > > + int > > Eight spaces instead of one tab. OK. > > + default 1 > > + > > +source "init/Kconfig" > > + > > +source "kernel/Kconfig.freezer" > > + > > +source "arch/h8300/Kconfig.cpu" > > + > > +menu "Kernel Features" > > + > > +source "kernel/Kconfig.preempt" > > + > > +source "mm/Kconfig" > > + > > +endmenu > > + > > +menu "Executable file formats" > > + > > +source "fs/Kconfig.binfmt" > > + > > +endmenu > > + > > +source "net/Kconfig" > > + > > +source "drivers/Kconfig" > > + > > +source "fs/Kconfig" > > + > > +source "arch/h8300/Kconfig.debug" > > + > > +source "security/Kconfig" > > + > > +source "crypto/Kconfig" > > + > > +source "lib/Kconfig" > > diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu > > new file mode 100644 > > index 0000000..2eaa797 > > --- /dev/null > > +++ b/arch/h8300/Kconfig.cpu > > @@ -0,0 +1,136 @@ > > +menu "Processor type and features" > > + > > +choice > > + prompt "H8/300 platform" > > + > > +config H8300_AE3068 > > + bool "AE-3068/69" > > + select H83069 > > + select RAMKERNEL > > + help > > + AKI-H8/3068F / AKI-H8/3069F Flashmicom LAN Board Support > > + More Information. (Japanese Only) > > + <http://akizukidenshi.com/catalog/default.aspx> > > + AE-3068/69 Evaluation Board Support > > + More Information. > > + <http://www.microtronique.com/ae3069lan.htm> > > + > > +config H8300_H8MAX > > + bool "H8MAX" > > + select H83069 > > + select RAMKERNEL > > + help > > + H8MAX Evaluation Board Support > > + More Information. (Japanese Only) > > + <http://strawberry-linux.com/h8/index.html> > > + > > +config H8300_KANEBEBE > > + bool "KaneBebe" > > + select H83069 > > + select RAMKERNEL > > + help > > + KaneBebe Evalition Board Support > > + > > +config H8300H_SIM > > + bool "H8/300H GDB Simulator" > > + select H83069 > > + select ROMKERNEL > > + help > > + GDB Simulator Support > > + More Information. > > + <http://sourceware.org/sid/> > > + > > +config H8S_EDOSK2674 > > + bool "EDOSK-2674" > > + select H8S2678 > > + select RAMKERNEL > > + help > > + Renesas EDOSK-2674 Evaluation Board Support > > + More Information. > > + <http://www.azpower.com/H8-uClinux/index.html> > > + > > <http://www.renesas.eu/products/tools/introductory_evaluation_tools/evaluation_development_os_kits/edosk2674r/edosk2674r_software_tools_root.jsp> > > + > > +config H8S_SIM > > + bool "H8S GDB Simulator" > > + select H8S2678 > > + select ROMKERNEL > > + help > > + GDB Simulator Support > > + More Information. > > + <http://sourceware.org/sid/> > > + > > +endchoice > > + > > +choice > > + prompt "CPU Selection" > > + > > +config H83069 > > + bool "H8/3065,3066,3067,3068,3069" > > + select CPU_H8300H > > + select H8300_TMR8 > > + select H8300_TMR16 > > + > > +config H8S2678 > > + bool "H8S/2670,2673,2674R,2675,2676" > > + select CPU_H8S > > + select H8300_TMR8 > > + select H8300_TPU > > + > > +endchoice > > + > > All platforms either select H83069 or H8S2678. So this choice looks odd. > Can't you just drop the choice wrapper, and make this two entries > without prompt (ie, make it two symbols that are selected only, and > never set manually)? Yes. not needed choice. Remove. > Also note that H8300_TMR8 will always be set. So that it seems not > really needed (ie, it's an alias for H8300). This entry obsoleted. Remove. > > +config CPU_CLOCK > > + int "CPU Clock Frequency" > > + depends on ROMKERNEL > > + default "200000000" if H8300H_AKI3068NET || H8300H_SIM > > There's no symbol H8300H_AKI3068NET. Why is that (optional) dependency > added? > > > + default "250000000" if H8300H_H8MAX || H8300H_KANEBEBE > > Neither symbols exist. Why is this default needed? And this not used current code. Remove. > > + default "333333333" if H8S_EDOSK2674 || H8S_SIM > > + help > > + CPU Clock Frequency > > + > > +choice > > + prompt "Kernel executes from" > > + ---help--- > > + Choose the memory type that the kernel will be running in. > > + > > +config RAMKERNEL > > + bool "RAM" > > + help > > + The kernel will be resident in RAM when running. > > + > > +config ROMKERNEL > > + bool "ROM" > > + help > > + The kernel will be resident in FLASH/ROM when running. > > +endchoice > > All platforms either select RAMKERNEL or ROMKERNEL. So this choice also > looks odd. Can't you, again, drop the choice wrapper, and make these two > entries without prompt? Hmm. It's considered. > > +config CPU_H8300H > > + bool > > + depends on H83069 > > + default y > > + > > +config CPU_H8S > > + bool > > + depends on H8S2678 > > + default y > > + > > +config ROMSIZE > > + hex "ROM size" > > + depends on ROMKERNEL > > + default 0x200000 > > + > > +config RAMBASE > > + hex "RAM base address" > > + default 0x400000 > > + > > +config RAMSIZE > > + hex "RAM size" > > + depends on ROMKERNEL > > + default 0x200000 if H8300_AE3068 || H8300_H8MAX || H8300H_SIM > > + default 0x400000 if H8300_KANEBEBE > > + default 0x800000 if H8S_EDOSK2674 || H8S_SIM > > + > > +config OFFSET > > + hex "Load offset" > > Eight spaces instead of one tab? OK. > > + default 0 > > + > > +endmenu > > diff --git a/arch/h8300/Kconfig.debug b/arch/h8300/Kconfig.debug > > new file mode 100644 > > index 0000000..eb72b01 > > --- /dev/null > > +++ b/arch/h8300/Kconfig.debug > > @@ -0,0 +1,23 @@ > > +menu "Kernel hacking" > > + > > +source "lib/Kconfig.debug" > > + > > +config FULLDEBUG > > + bool "Full Symbolic/Source Debugging support" > > + help > > + Enable debugging symbols on kernel build. > > + > > +config HIGHPROFILE > > + bool "Use fast second timer for profiling" > > + help > > + Use a fast secondary clock to produce profiling information. > > + > > +config NO_KERNEL_MSG > > + bool "Suppress Kernel BUG Messages" > > + help > > + Do not output any debug BUG messages within the kernel. > > + > > +config SH_STANDARD_BIOS > > + def_bool n > > + > > I don't think this entry is needed. This entry using sh-sci. > > +endmenu > > diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile > > new file mode 100644 > > index 0000000..44e915c > > --- /dev/null > > +++ b/arch/h8300/Makefile > > @@ -0,0 +1,45 @@ > > +# > > +# arch/h8300/Makefile > > +# > > +# This file is subject to the terms and conditions of the GNU General > > Public > > +# License. See the file "COPYING" in the main directory of this archive > > +# for more details. > > +# > > +# (C) Copyright 2002-2015 Yoshinori Sato <ys...@users.sourceforge.jp> > > +# > > + > > +cflags-$(CONFIG_CPU_H8300H) := -mh > > +aflags-$(CONFIG_CPU_H8300H) := -mh -Wa,--mach=h8300h > > +ldflags-$(CONFIG_CPU_H8300H) := -mh8300helf_linux > > +cflags-$(CONFIG_CPU_H8S) := -ms > > +aflags-$(CONFIG_CPU_H8S) := -ms -Wa,--mach=h8300s > > +ldflags-$(CONFIG_CPU_H8S) := -mh8300self_linux > > + > > +KBUILD_CFLAGS += $(cflags-y) > > +KBUILD_CFLAGS += -mint32 -fno-builtin > > +KBUILD_CFLAGS += -D__linux__ > > +KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\" > > +KBUILD_AFLAGS += $(aflags-y) > > +LDFLAGS += $(ldflags-y) > > + > > +CROSS_COMPILE := h8300-unknown-linux- > > + > > +core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ > > + > > +libs-y += arch/$(ARCH)/lib/ > > + > > +boot := arch/h8300/boot > > + > > +archmrproper: > > + > > +archclean: > > + $(Q)$(MAKE) $(clean)=$(boot) > > + > > +vmlinux.srec vmlinux.bin zImage uImage.bin: vmlinux > > + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ > > + > > +define archhelp > > + @echo 'vmlinux.bin - Create raw binary' > > + @echo 'vmlinux.srec - Create srec binary' > > + @echo 'zImage - Compressed kernel image' > > +endef > > diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile > > new file mode 100644 > > index 0000000..0b5fe00 > > --- /dev/null > > +++ b/arch/h8300/kernel/Makefile > > @@ -0,0 +1,16 @@ > > +# > > +# Makefile for the linux kernel. > > +# > > + > > +extra-y := vmlinux.lds > > + > > +obj-y := process.o traps.o ptrace.o \ > > + signal.o setup.o syscalls.o \ > > + irq.o entry.o dma.o cpu/ > > + > > +obj-$(CONFIG_ROMKERNEL) += head_rom.o > > +obj-$(CONFIG_RAMKERNEL) += head_ram.o > > + > > +obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o > > +obj-$(CONFIG_H8300H_SIM) += sim-console.o > > +obj-$(CONFIG_H8S_SIM) += sim-console.o > > diff --git a/arch/h8300/kernel/vmlinux.lds.S > > b/arch/h8300/kernel/vmlinux.lds.S > > new file mode 100644 > > index 0000000..e1b49aa > > --- /dev/null > > +++ b/arch/h8300/kernel/vmlinux.lds.S > > @@ -0,0 +1,85 @@ > > +#include <asm-generic/vmlinux.lds.h> > > +#include <asm/page.h> > > + > > +#define ROMTOP 0x000000 > > +#define RAMTOP CONFIG_RAMBASE > > + > > +jiffies = jiffies_64 + 4; > > + > > +ENTRY(_start) > > + > > +SECTIONS > > +{ > > +#if defined(CONFIG_ROMKERNEL) > > + . = ROMTOP; > > + .vectors : > > + { > > + _vector = . ; > > + *(.vector*) > > + } > > +#else > > + . = RAMTOP; > > + _ramstart = .; > > + . = . + CONFIG_OFFSET; > > +#endif > > + _text = .; > > + HEAD_TEXT_SECTION > > + .text : { > > + _stext = . ; > > + TEXT_TEXT > > + SCHED_TEXT > > + LOCK_TEXT > > +#if defined(CONFIG_ROMKERNEL) > > + *(.int_redirect) > > +#endif > > + _etext = . ; > > + } > > + EXCEPTION_TABLE(16) > > + NOTES > > + RO_DATA(4) > > +#if defined(CONFIG_ROMKERNEL) > > + .init.text : { > > + _sinittext = .; > > + INIT_TEXT > > + _einittext = .; > > + } > > + SECURITY_INIT > > +#endif > > + ROMEND = .; > > +#if defined(CONFIG_ROMKERNEL) > > + . = RAMTOP; > > + _ramstart = .; > > + .data : AT(ROMEND) > > +#else > > + .data : > > +#endif > > + { > > + _sdata = . ; > > + __data_start = . ; > > + INIT_TASK_DATA(0x2000) > > + NOSAVE_DATA > > + PAGE_ALIGNED_DATA(0x1000) > > + CACHELINE_ALIGNED_DATA(0x0002) > > + READ_MOSTLY_DATA(0x0002) > > + DATA_DATA > > + CONSTRUCTORS > > + } > > + . = ALIGN(0x4) ; > > + __init_begin = .; > > +#if defined(CONFIG_RAMKERNEL) > > + INIT_TEXT_SECTION(4) > > +#endif > > + INIT_DATA_SECTION(4) > > +#if defined(CONFIG_RAMKERNEL) > > + SECURITY_INIT > > +#endif > > + __init_end = .; > > + _edata = . ; > > + _begin_data = LOADADDR(.data); > > + _sbss =.; > > + BSS_SECTION(4,4,4) > > + _ebss =.; > > + _ramend = .; > > + _end = .; > > + DISCARDS > > +} > > > Paul Bolle > -- Yoshinori Sato <ys...@users.sourceforge.jp> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
