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Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 45f72c8fa911..c1bcfc2a8581 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -203,6 +203,18 @@ config XTENSA_UNALIGNED_USER Say Y here to enable unaligned memory access in user space. +config XTENSA_LOAD_STORE + bool "Load/store exception handler for memory only readable with l32" + help + The Xtensa architecture only allows reading memory attached to its + instruction bus with l32r and l32i instructions, all other + instructions raise an exception with the LoadStoreErrorCause code. + This makes it hard to use some configurations, e.g. store string + literals in FLASH memory attached to the instruction bus. + + Say Y here to enable exception handler that allows transparent + byte and 2-byte access to memory attached to instruction bus. + config HAVE_SMP bool "System Supports SMP (MX)" depends on XTENSA_VARIANT_CUSTOM |