diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 95bdbaaa5ae6..f46c7d2d439c 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -21,6 +21,9 @@ config XTENSA select DMA_REMAP if MMU select GENERIC_ATOMIC64 select GENERIC_IRQ_SHOW + select GENERIC_LIB_CMPDI2 + select GENERIC_LIB_MULDI3 + select GENERIC_LIB_UCMPDI2 select GENERIC_PCI_IOMAP select GENERIC_SCHED_CLOCK select HAVE_ARCH_AUDITSYSCALL @@ -32,6 +35,7 @@ config XTENSA select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD select HAVE_FUNCTION_TRACER + select HAVE_GCC_PLUGINS if GCC_VERSION >= 120000 select HAVE_HW_BREAKPOINT if PERF_EVENTS select HAVE_IRQ_TIME_ACCOUNTING select HAVE_PCI @@ -89,6 +93,9 @@ config CPU_BIG_ENDIAN config CPU_LITTLE_ENDIAN def_bool !CPU_BIG_ENDIAN +config CC_HAVE_CALL0_ABI + def_bool $(success,test "$(shell,echo __XTENSA_CALL0_ABI__ | $(CC) -mabi=call0 -E -P - 2>/dev/null)" = 1) + menu "Processor type and features" choice @@ -221,6 +228,15 @@ config HOTPLUG_CPU Say N if you want to disable CPU hotplug. +config SECONDARY_RESET_VECTOR + bool "Secondary cores use alternative reset vector" + default y + depends on HAVE_SMP + help + Secondary cores may be configured to use alternative reset vector, + or all cores may use primary reset vector. + Say Y here to supply handler for the alternative reset location. + config FAST_SYSCALL_XTENSA bool "Enable fast atomic syscalls" default n @@ -247,6 +263,38 @@ config FAST_SYSCALL_SPILL_REGISTERS If unsure, say N. +choice + prompt "Kernel ABI" + default KERNEL_ABI_DEFAULT + help + Select ABI for the kernel code. This ABI is independent of the + supported userspace ABI and any combination of the + kernel/userspace ABI is possible and should work. + + In case both kernel and userspace support only call0 ABI + all register windows support code will be omitted from the + build. + + If unsure, choose the default ABI. + +config KERNEL_ABI_DEFAULT + bool "Default ABI" + help + Select this option to compile kernel code with the default ABI + selected for the toolchain. + Normally cores with windowed registers option use windowed ABI and + cores without it use call0 ABI. + +config KERNEL_ABI_CALL0 + bool "Call0 ABI" if CC_HAVE_CALL0_ABI + help + Select this option to compile kernel code with call0 ABI even with + toolchain that defaults to windowed ABI. + When this option is not selected the default toolchain ABI will + be used for the kernel code. + +endchoice + config USER_ABI_CALL0 bool |