MAJOR=4
MINOR=14
DEVNAME=tty14
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s # SPDX-License-Identifier: GPL-2.0
menuconfig ACCESSIBILITY
bool "Accessibility support"
help
Accessibility handles all special kinds of hardware devices or
software adapters which help people with disabilities (e.g.
blindness) to use computers.
That includes braille devices, speech synthesis, keyboard
remapping, etc.
Say Y here to get to see options for accessibility.
This option alone does not add any kernel code.
If you say N, all options in this submenu will be skipped and disabled.
If unsure, say N.
if ACCESSIBILITY
config A11Y_BRAILLE_CONSOLE
bool "Console on braille device"
depends on VT
depends on SERIAL_CORE_CONSOLE
help
Enables console output on a braille device connected to a 8250
serial port. For now only the VisioBraille device is supported.
To actually enable it, you need to pass option
console=brl,ttyS0
to the kernel. Options are the same as for serial console.
If unsure, say N.
source "drivers/accessibility/speakup/Kconfig"
endif # ACCESSIBILITY
a # SPDX-License-Identifier: GPL-2.0
ifdef CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX
# Safe for compiler to generate meminstrinsic calls in uninstrumented files.
CFLAGS_KASAN_NOSANITIZE :=
else
# Don't let compiler generate memintrinsic calls in uninstrumented files
# because they are instrumented.
CFLAGS_KASAN_NOSANITIZE := -fno-builtin
endif
KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET)
cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1)))
ifdef CONFIG_KASAN_STACK
stack_enable := 1
else
stack_enable := 0
endif
ifdef CONFIG_KASAN_GENERIC
ifdef CONFIG_KASAN_INLINE
call_threshold := 10000
else
call_threshold := 0
endif
CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
# -fasan-shadow-offset fails without -fsanitize
CFLAGS_KASAN_SHADOW := $(call cc-option, -fsanitize=kernel-address \
-fasan-shadow-offset=$(KASAN_SHADOW_OFFSET), \
$(call cc-option, -fsanitize=kernel-address \
-mllvm -asan-mapping-offset=$(KASAN_SHADOW_OFFSET)))
ifeq ($(strip $(CFLAGS_KASAN_SHADOW)),)
CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
else
# Now add all the compiler specific options that are valid standalone
CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \
$(call cc-param,asan-globals=1) \
$(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
$(call cc-param,asan-instrument-allocas=1)
endif
CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable))
# Instrument