| # Physical Memory Protection (PMP) configuration options |
| |
| # Copyright (c) 2020 BayLibre, SAS |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config PMP_SLOT |
| int "Number of PMP slot" |
| default 8 |
| help |
| Depend of the arch/board. Take care to don't put value higher |
| than the Hardware allow you. |
| |
| config PMP_POWER_OF_TWO_ALIGNMENT |
| bool "Power of two alignment" |
| default n |
| select MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT |
| select GEN_PRIV_STACKS |
| help |
| This option will reduce the PMP slot number usage but increase |
| the memory consumption. |
| |
| config PMP_STACK_GUARD |
| bool "Thread Stack Guard" |
| default n |
| help |
| Enable Thread Stack Guards via PMP |
| |
| if PMP_STACK_GUARD |
| |
| config PMP_STACK_GUARD_MIN_SIZE |
| int "Guard size" |
| default 16 |
| help |
| Minimum size (and alignment when applicable) of an stack guard |
| region, which guards the stack of a thread. The width of the |
| guard is set to 16 bytes, to accommodate the riscv |
| granularity. |
| |
| endif # PMP_STACK_GUARD |
