PMP_CONFIG Struct Reference

Data Fields
unsigned int	protection
	set locking bit, addressing mode, read, write, and instruction execution permissions, see PMP_L, PMP_R, PMP_W, PMP_X, .etc in <riscv_encoding.h> More...
unsigned long	order
	Size of memory region as power of 2, it has to be minimum 2 and maxium __RISCV_XLEN according to the hard-wired granularity 2^N bytes, if N = 12, then order has to be at least 12; if not, the order read out is N though you configure less than N. More...
unsigned long	base_addr
	Base address of memory region It must be 2^order aligned address. More...

Detailed Description

Definition at line 58 of file core_feature_pmp.h.

Field Documentation

base_addr

unsigned long PMP_CONFIG::base_addr

Base address of memory region It must be 2^order aligned address.

Definition at line 74 of file core_feature_pmp.h.

order

unsigned long PMP_CONFIG::order

Size of memory region as power of 2, it has to be minimum 2 and maxium __RISCV_XLEN according to the hard-wired granularity 2^N bytes, if N = 12, then order has to be at least 12; if not, the order read out is N though you configure less than N.

Definition at line 69 of file core_feature_pmp.h.

protection

unsigned int PMP_CONFIG::protection

set locking bit, addressing mode, read, write, and instruction execution permissions, see PMP_L, PMP_R, PMP_W, PMP_X, .etc in <riscv_encoding.h>

Definition at line 63 of file core_feature_pmp.h.