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CSR Bit Fields

RISC-V mseccfgh CSR Register

Address 0x757Privilege MachineAccess RW / RV32 32-bitMachine security CSRs

RV32-only 32-bit CSR that aliases mseccfg[63:32].

Related Search Terms
mseccfgh CSRmseccfgh 0x757mseccfg high halfRV32
Bit Overview
bit 3 = only bit 3; bits 12..11 = bits 12 down to 11
MSBLSB
Field Map

Understand mseccfgh By Bit Fields

0 key fields
Official Basis & Search Notes

RV32-only 32-bit CSR that aliases mseccfg[63:32].

Provides RV32 access to the upper 32 bits of mseccfg; exists only when mseccfg exists.
RISC-V Privileged Architecture Manual

What To Check First When Reading This CSR

  • - Exists only when XLEN=32 and mseccfg is implemented; it does not exist when XLEN=64.

Risk Checks Before Writing

  • - Honor WPRI treatment for reserved fields; PMM cannot be enabled on RV32.

Put It Back Into A Real Flow

1

Confirm RV32 and mseccfg are implemented.

2

Use it only as the alias of mseccfg[63:32].