From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v2 30/31] arm64: Build infrastructure Date: Wed, 15 Aug 2012 16:07:55 +0000 Message-ID: <201208151607.55669.arnd@arndb.de> References: <1344966752-16102-1-git-send-email-catalin.marinas@arm.com> <1344966752-16102-31-git-send-email-catalin.marinas@arm.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.17.9]:64992 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064Ab2HOQIC (ORCPT ); Wed, 15 Aug 2012 12:08:02 -0400 In-Reply-To: <1344966752-16102-31-git-send-email-catalin.marinas@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Catalin Marinas Cc: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Will Deacon On Tuesday 14 August 2012, Catalin Marinas wrote: > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > new file mode 100644 > index 0000000..1ce3d04 > --- /dev/null > +++ b/arch/arm64/Kconfig > @@ -0,0 +1,261 @@ > +config ARM64 > + def_bool y > + select OF > + select OF_EARLY_FLATTREE > + select IRQ_DOMAIN > + select HAVE_AOUT > + select HAVE_DMA_ATTRS > + select HAVE_DMA_API_DEBUG > + select HAVE_IDE Please remove HAVE_AOUT and HAVE_IDE > + select HAVE_MEMBLOCK > + select RTC_LIB > + select SYS_SUPPORTS_APM_EMULATION APM_EMULATION can probably go too > + > +config ARCH_PHYS_ADDR_T_64BIT > + def_bool y > + > +config HAVE_PWM > + bool HAVE_PWM is going away soon. > +config AARCH32_EMULATION > + bool "Kernel support for 32-bit EL0" > + depends on !ARM64_64K_PAGES > + select COMPAT_BINFMT_ELF > + help > + This option enables support for a 32-bit EL0 running under a 64-bit > + kernel at EL1. AArch32-specific components such as system calls, > + the user helper functions, VFP support and the ptrace interface are > + handled appropriately by the kernel. > + > + If you want to execute 32-bit userspace applications, say Y. > + > +config COMPAT > + def_bool y > + depends on AARCH32_EMULATION As mentioned, you can just merge the two into CONFIG_COMPAT. > +targets := Image Image.gz > + > +$(obj)/Image: vmlinux FORCE > + $(call if_changed,objcopy) > + @echo ' Kernel: $@ is ready' > + > +$(obj)/Image.gz: $(obj)/Image FORCE > + $(call if_changed,gzip) > + @echo ' Kernel: $@ is ready' Drop the useless output, at least when building with make -s. > +if [ -x /sbin/loadmap ]; then > + /sbin/loadmap > +else > + echo "You have to install it yourself" > +fi What is loadmap? > diff --git a/arch/arm64/configs/generic_defconfig b/arch/arm64/configs/generic_defconfig > new file mode 100644 > index 0000000..d9aac95 > --- /dev/null > +++ b/arch/arm64/configs/generic_defconfig I think it can just be called "defconfig". > diff --git a/arch/arm64/mm/Kconfig b/arch/arm64/mm/Kconfig > new file mode 100644 > index 0000000..8e94e52 > --- /dev/null > +++ b/arch/arm64/mm/Kconfig > @@ -0,0 +1,5 @@ > +config MMU > + def_bool y > + > +config CPU_64 > + def_bool y This file can be dropped. You can unconditionally enable CONFIG_MMU, and the CPU_64 symbol is pointless, just use CONFIG_64BIT. Arnd From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Wed, 15 Aug 2012 16:07:55 +0000 Subject: [PATCH v2 30/31] arm64: Build infrastructure In-Reply-To: <1344966752-16102-31-git-send-email-catalin.marinas@arm.com> References: <1344966752-16102-1-git-send-email-catalin.marinas@arm.com> <1344966752-16102-31-git-send-email-catalin.marinas@arm.com> Message-ID: <201208151607.55669.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 14 August 2012, Catalin Marinas wrote: > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > new file mode 100644 > index 0000000..1ce3d04 > --- /dev/null > +++ b/arch/arm64/Kconfig > @@ -0,0 +1,261 @@ > +config ARM64 > + def_bool y > + select OF > + select OF_EARLY_FLATTREE > + select IRQ_DOMAIN > + select HAVE_AOUT > + select HAVE_DMA_ATTRS > + select HAVE_DMA_API_DEBUG > + select HAVE_IDE Please remove HAVE_AOUT and HAVE_IDE > + select HAVE_MEMBLOCK > + select RTC_LIB > + select SYS_SUPPORTS_APM_EMULATION APM_EMULATION can probably go too > + > +config ARCH_PHYS_ADDR_T_64BIT > + def_bool y > + > +config HAVE_PWM > + bool HAVE_PWM is going away soon. > +config AARCH32_EMULATION > + bool "Kernel support for 32-bit EL0" > + depends on !ARM64_64K_PAGES > + select COMPAT_BINFMT_ELF > + help > + This option enables support for a 32-bit EL0 running under a 64-bit > + kernel at EL1. AArch32-specific components such as system calls, > + the user helper functions, VFP support and the ptrace interface are > + handled appropriately by the kernel. > + > + If you want to execute 32-bit userspace applications, say Y. > + > +config COMPAT > + def_bool y > + depends on AARCH32_EMULATION As mentioned, you can just merge the two into CONFIG_COMPAT. > +targets := Image Image.gz > + > +$(obj)/Image: vmlinux FORCE > + $(call if_changed,objcopy) > + @echo ' Kernel: $@ is ready' > + > +$(obj)/Image.gz: $(obj)/Image FORCE > + $(call if_changed,gzip) > + @echo ' Kernel: $@ is ready' Drop the useless output, at least when building with make -s. > +if [ -x /sbin/loadmap ]; then > + /sbin/loadmap > +else > + echo "You have to install it yourself" > +fi What is loadmap? > diff --git a/arch/arm64/configs/generic_defconfig b/arch/arm64/configs/generic_defconfig > new file mode 100644 > index 0000000..d9aac95 > --- /dev/null > +++ b/arch/arm64/configs/generic_defconfig I think it can just be called "defconfig". > diff --git a/arch/arm64/mm/Kconfig b/arch/arm64/mm/Kconfig > new file mode 100644 > index 0000000..8e94e52 > --- /dev/null > +++ b/arch/arm64/mm/Kconfig > @@ -0,0 +1,5 @@ > +config MMU > + def_bool y > + > +config CPU_64 > + def_bool y This file can be dropped. You can unconditionally enable CONFIG_MMU, and the CPU_64 symbol is pointless, just use CONFIG_64BIT. Arnd