diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 108 |
1 files changed, 58 insertions, 50 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4c97cb40eebb..c1251856ef77 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -5,6 +5,7 @@ config ARM select ARCH_32BIT_OFF_T select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE if HAVE_KRETPROBES && FRAME_POINTER && !ARM_UNWIND select ARCH_HAS_BINFMT_FLAT + select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DMA_WRITE_COMBINE if !ARM_DMA_MEM_BUFFERABLE select ARCH_HAS_ELF_RANDOMIZE @@ -37,6 +38,7 @@ config ARM select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_MEMTEST select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU + select ARCH_WANT_GENERAL_HUGETLB select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_LD_ORPHAN_WARN select BINFMT_FLAT_ARGVP_ENVP_ON_STACK @@ -58,6 +60,7 @@ config ARM select GENERIC_CPU_AUTOPROBE select GENERIC_EARLY_IOREMAP select GENERIC_IDLE_POLL_SETUP + select GENERIC_IRQ_MULTI_HANDLER select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL @@ -92,8 +95,8 @@ config ARM select HAVE_EXIT_THREAD select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL - select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG - select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !(THUMB2_KERNEL && CC_IS_CLANG) + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_IRQ_TIME_ACCOUNTING @@ -127,7 +130,8 @@ config ARM select PERF_USE_VMALLOC select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select THREAD_INFO_IN_TASK if CURRENT_POINTER_IN_TPIDRURO + select THREAD_INFO_IN_TASK + select HAVE_ARCH_VMAP_STACK if MMU && ARM_HAS_GROUP_RELOCS select TRACE_IRQFLAGS_SUPPORT if !CPU_V7M # Above selects are sorted alphabetically; please add new ones # according to that. Thanks. @@ -139,6 +143,17 @@ config ARM Europe. There is an ARM Linux project with a web page at <http://www.arm.linux.org.uk/>. +config ARM_HAS_GROUP_RELOCS + def_bool y + depends on !LD_IS_LLD || LLD_VERSION >= 140000 + depends on !COMPILE_TEST + help + Whether or not to use R_ARM_ALU_PC_Gn or R_ARM_LDR_PC_Gn group + relocations, which have been around for a long time, but were not + supported in LLD until version 14. The combined range is -/+ 256 MiB, + which is usually sufficient, but not for allyesconfig, so we disable + this feature when doing compile testing. + config ARM_HAS_SG_CHAIN bool @@ -218,18 +233,12 @@ config ARCH_MAY_HAVE_PC_FDC config ARCH_SUPPORTS_UPROBES def_bool y -config ARCH_HAS_DMA_SET_COHERENT_MASK - bool - config GENERIC_ISA_DMA bool config FIQ bool -config NEED_RET_TO_USER - bool - config ARCH_MTD_XIP bool @@ -267,7 +276,7 @@ config PHYS_OFFSET hex "Physical address of main memory" if MMU depends on !ARM_PATCH_PHYS_VIRT default DRAM_BASE if !MMU - default 0x00000000 if ARCH_FOOTBRIDGE || ARCH_IXP4XX + default 0x00000000 if ARCH_FOOTBRIDGE default 0x10000000 if ARCH_OMAP1 || ARCH_RPC default 0x30000000 if ARCH_S3C24XX default 0xa0000000 if ARCH_IOP32X || ARCH_PXA @@ -295,6 +304,17 @@ config MMU Select if you want MMU-based virtualised addressing space support by paged memory management. If unsure, say 'Y'. +config ARM_SINGLE_ARMV7M + def_bool !MMU + select ARM_NVIC + select AUTO_ZRELADDR + select TIMER_OF + select COMMON_CLK + select CPU_V7M + select NO_IOPORT_MAP + select SPARSE_IRQ + select USE_OF + config ARCH_MMAP_RND_BITS_MIN default 8 @@ -309,12 +329,11 @@ config ARCH_MMAP_RND_BITS_MAX # choice prompt "ARM system type" - default ARM_SINGLE_ARMV7M if !MMU - default ARCH_MULTIPLATFORM if MMU + depends on MMU + default ARCH_MULTIPLATFORM config ARCH_MULTIPLATFORM bool "Allow multiple platforms to be selected" - depends on MMU select ARCH_FLATMEM_ENABLE select ARCH_SPARSEMEM_ENABLE select ARCH_SELECT_MEMORY_MODEL @@ -323,31 +342,17 @@ config ARCH_MULTIPLATFORM select AUTO_ZRELADDR select TIMER_OF select COMMON_CLK - select GENERIC_IRQ_MULTI_HANDLER select HAVE_PCI select PCI_DOMAINS_GENERIC if PCI select SPARSE_IRQ select USE_OF -config ARM_SINGLE_ARMV7M - bool "ARMv7-M based platforms (Cortex-M0/M3/M4)" - depends on !MMU - select ARM_NVIC - select AUTO_ZRELADDR - select TIMER_OF - select COMMON_CLK - select CPU_V7M - select NO_IOPORT_MAP - select SPARSE_IRQ - select USE_OF - config ARCH_EP93XX bool "EP93xx-based" select ARCH_SPARSEMEM_ENABLE select ARM_AMBA imply ARM_PATCH_PHYS_VIRT select ARM_VIC - select GENERIC_IRQ_MULTI_HANDLER select AUTO_ZRELADDR select CLKSRC_MMIO select CPU_ARM920T @@ -360,7 +365,6 @@ config ARCH_FOOTBRIDGE bool "FootBridge" select CPU_SA110 select FOOTBRIDGE - select NEED_MACH_IO_H if !MMU select NEED_MACH_MEMORY_H help Support for systems based on the DC21285 companion chip @@ -368,11 +372,9 @@ config ARCH_FOOTBRIDGE config ARCH_IOP32X bool "IOP32x-based" - depends on MMU select CPU_XSCALE select GPIO_IOP select GPIOLIB - select NEED_RET_TO_USER select FORCE_PCI select PLAT_IOP help @@ -381,19 +383,15 @@ config ARCH_IOP32X config ARCH_IXP4XX bool "IXP4xx-based" - depends on MMU - select ARCH_HAS_DMA_SET_COHERENT_MASK select ARCH_SUPPORTS_BIG_ENDIAN + select ARM_PATCH_PHYS_VIRT select CPU_XSCALE - select DMABOUNCE if PCI - select GENERIC_IRQ_MULTI_HANDLER select GPIO_IXP4XX select GPIOLIB select HAVE_PCI select IXP4XX_IRQ select IXP4XX_TIMER - # With the new PCI driver this is not needed - select NEED_MACH_IO_H if IXP4XX_PCI_LEGACY + select SPARSE_IRQ select USB_EHCI_BIG_ENDIAN_DESC select USB_EHCI_BIG_ENDIAN_MMIO help @@ -402,7 +400,6 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" select CPU_PJ4 - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select HAVE_PCI select MVEBU_MBUS @@ -416,7 +413,6 @@ config ARCH_DOVE config ARCH_PXA bool "PXA2xx/PXA3xx-based" - depends on MMU select ARCH_MTD_XIP select ARM_CPU_SUSPEND if PM select AUTO_ZRELADDR @@ -425,7 +421,6 @@ config ARCH_PXA select CLKSRC_MMIO select TIMER_OF select CPU_XSCALE if !CPU_XSC3 - select GENERIC_IRQ_MULTI_HANDLER select GPIO_PXA select GPIOLIB select IRQ_DOMAIN @@ -436,7 +431,6 @@ config ARCH_PXA config ARCH_RPC bool "RiscPC" - depends on MMU depends on !CC_IS_CLANG && GCC_VERSION < 90100 && GCC_VERSION >= 60000 select ARCH_ACORN select ARCH_MAY_HAVE_PC_FDC @@ -464,7 +458,6 @@ config ARCH_SA1100 select COMMON_CLK select CPU_FREQ select CPU_SA1100 - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select IRQ_DOMAIN select ISA @@ -479,7 +472,6 @@ config ARCH_S3C24XX select CLKSRC_SAMSUNG_PWM select GPIO_SAMSUNG select GPIOLIB - select GENERIC_IRQ_MULTI_HANDLER select NEED_MACH_IO_H select S3C2410_WATCHDOG select SAMSUNG_ATAGS @@ -493,11 +485,9 @@ config ARCH_S3C24XX config ARCH_OMAP1 bool "TI OMAP1" - depends on MMU select ARCH_OMAP select CLKSRC_MMIO select GENERIC_IRQ_CHIP - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select HAVE_LEGACY_CLK select IRQ_DOMAIN @@ -573,6 +563,18 @@ config ARCH_VIRT select HAVE_ARM_ARCH_TIMER select ARCH_SUPPORTS_BIG_ENDIAN +config ARCH_AIROHA + bool "Airoha SoC Support" + depends on ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select ARM_GIC_V3 + select ARM_PSCI + select HAVE_ARM_ARCH_TIMER + select COMMON_CLK + help + Support for Airoha EN7523 SoCs + # # This is sorted alphabetically by mach-* pathname. However, plat-* # Kconfigs may be included either alphabetically (according to the @@ -1164,7 +1166,12 @@ config SMP_ON_UP config CURRENT_POINTER_IN_TPIDRURO def_bool y - depends on SMP && CPU_32v6K && !CPU_V6 + depends on CPU_32v6K && !CPU_V6 + +config IRQSTACKS + def_bool y + select HAVE_IRQ_EXIT_ON_IRQ_STACK + select HAVE_SOFTIRQ_ON_OWN_STACK config ARM_CPU_TOPOLOGY bool "Support cpu topology definition" @@ -1508,9 +1515,6 @@ config HW_PERF_EVENTS def_bool y depends on ARM_PMU -config ARCH_WANT_GENERAL_HUGETLB - def_bool y - config ARM_MODULE_PLTS bool "Use PLTs to allow module memory to spill over into vmalloc area" depends on MODULES @@ -1608,10 +1612,14 @@ config XEN help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. +config CC_HAVE_STACKPROTECTOR_TLS + def_bool $(cc-option,-mtp=cp15 -mstack-protector-guard=tls -mstack-protector-guard-offset=0) + config STACKPROTECTOR_PER_TASK bool "Use a unique stack canary value for each task" - depends on GCC_PLUGINS && STACKPROTECTOR && THREAD_INFO_IN_TASK && !XIP_DEFLATED_DATA - select GCC_PLUGIN_ARM_SSP_PER_TASK + depends on STACKPROTECTOR && CURRENT_POINTER_IN_TPIDRURO && !XIP_DEFLATED_DATA + depends on GCC_PLUGINS || CC_HAVE_STACKPROTECTOR_TLS + select GCC_PLUGIN_ARM_SSP_PER_TASK if !CC_HAVE_STACKPROTECTOR_TLS default y help Due to the fact that GCC uses an ordinary symbol reference from |