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