Re: [PATCH v2 30/31] arm64: Build infrastructure
From: Arnd Bergmann <arnd@arndb.de>
Date: 2012-08-15 16:08:04
Also in:
linux-arm-kernel, lkml
On Tuesday 14 August 2012, Catalin Marinas wrote:
quoted hunk ↗ jump to hunk
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?
quoted hunk ↗ jump to hunk
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".
quoted hunk ↗ jump to hunk
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