ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

target/riscv: Remove additional priv version check for mcountinhibit 

With .min_priv_version, additiona priv version check is uncessary
for mcountinhibit read/write functions.

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-Id: <20220816232321.558250-7-atishp@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Atish Patra 2022-08-16 16:23:21 -07:00 committed by Alistair Francis
parent 25da6e3113
commit 240b363618
1 changed files with 0 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/riscv/csr.c
View File

@ -1494,10 +1494,6 @@ static RISCVException write_mtvec(CPURISCVState *env, int csrno,
static RISCVException read_mcountinhibit(CPURISCVState *env, int csrno,
target_ulong *val)
{
if (env->priv_ver < PRIV_VERSION_1_11_0) {
return RISCV_EXCP_ILLEGAL_INST;
}
*val = env->mcountinhibit;
return RISCV_EXCP_NONE;
}
@ -1508,10 +1504,6 @@ static RISCVException write_mcountinhibit(CPURISCVState *env, int csrno,
int cidx;
PMUCTRState *counter;
if (env->priv_ver < PRIV_VERSION_1_11_0) {
return RISCV_EXCP_ILLEGAL_INST;
}
env->mcountinhibit = val;
/* Check if any other counter is also monitoring cycles/instructions */