From 0861f14c3f318e6742277018437bad9024e15084 Mon Sep 17 00:00:00 2001 From: "Markku-Juhani O. Saarinen" Date: Thu, 2 Sep 2021 09:10:10 +0100 Subject: [PATCH] language fix -- the purpose of the write --- doc/scalar/riscv-crypto-scalar-entropy-source.adoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/scalar/riscv-crypto-scalar-entropy-source.adoc b/doc/scalar/riscv-crypto-scalar-entropy-source.adoc index d42d3753..5bf628c4 100644 --- a/doc/scalar/riscv-crypto-scalar-entropy-source.adoc +++ b/doc/scalar/riscv-crypto-scalar-entropy-source.adoc @@ -39,7 +39,7 @@ The `seed` CSR must be accessed with a read-write instruction. A read-only instruction such as `CSRRS/CSRRC` with `rs1=x0` or `CSRRSI/CSRRCI` with `uimm=0` will raise an illegal instruction exception. The write value (in `rs1` or `uimm`) must be ignored by implementations. -Its purpose of a write is to signal polling and flushing. +The purpose of the write is to signal polling and flushing. The instruction `csrrw rd, seed, x0` can be used for fetching seed status and entropy values. It is available on both RV32 and RV64 base architectures