From: Alistair Francis <alistair.francis@wdc.com>
Date: Wed, 12 Aug 2020 19:13:25 +0000 (-0700)
Subject: target/riscv: Don't allow guest to write to htinst
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e2eb5ca8f66c239f6194afda88cad455e42725ef;p=qemu.git

target/riscv: Don't allow guest to write to htinst

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: ca5359fec6b2aff851eef3b3bc4b53cb5d4ad194.1597259519.git.alistair.francis@wdc.com
Message-Id: <ca5359fec6b2aff851eef3b3bc4b53cb5d4ad194.1597259519.git.alistair.francis@wdc.com>
---

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 6a96a01b1c..0f035d33b1 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -922,7 +922,6 @@ static int read_htinst(CPURISCVState *env, int csrno, target_ulong *val)
 
 static int write_htinst(CPURISCVState *env, int csrno, target_ulong val)
 {
-    env->htinst = val;
     return 0;
 }