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Diffstat (limited to 'zephyr/Kconfig')
| -rw-r--r-- | zephyr/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/zephyr/Kconfig b/zephyr/Kconfig index 011219809b..fbeda8ac4b 100644 --- a/zephyr/Kconfig +++ b/zephyr/Kconfig @@ -501,6 +501,22 @@ config PLATFORM_EC_PANIC The panic information is made available to the AP via the EC_CMD_GET_PANIC_INFO host command and a 'panicinfo' console command +config PLATFORM_EC_MPU + bool "Support Memory-Protection Unit (MPU)" + depends on CPU_CORTEX_M && CPU_HAS_MPU + default y + help + This enables support a Memory-Protection Unit which can limit access + to certain areas of memory. This can be used to protect code or data + from being written to improve security or to find bugs. + + It causes any code in the iram.text section to be protected when + system jump is disabled (see system_disable_jump()). It also stops + execution of the image that is not currently being executed (read-only + or read-write). If internal storage is used, this is achieved by not + allowing code execution in that area. For external storage, it + disallows loading any code into RAM. + if PLATFORM_EC_PANIC config PLATFORM_EC_SOFTWARE_PANIC |