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authorFea.Wang <fea.wang@sifive.com>2024-06-06 21:54:51 +0800
committerAlistair Francis <alistair.francis@wdc.com>2024-06-26 22:54:13 +1000
commit7750e10656352bc9945843fa6116dc1035e1c9b4 (patch)
treef47de5956b885124e962ff67132fbe1370c0688d
parent0c2d5f7396d73a957ba665d7824c9ee7926c0357 (diff)
target/riscv: Add 'P1P13' bit in SMSTATEEN0
Based on privilege 1.13 spec, there should be a bit56 for 'P1P13' in mstateen0 that controls access to the hedeleg. Signed-off-by: Fea.Wang <fea.wang@sifive.com> Reviewed-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Weiwei Li <liwei1518@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20240606135454.119186-4-fea.wang@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-rw-r--r--target/riscv/cpu_bits.h1
-rw-r--r--target/riscv/csr.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index a470fda9be..c895aa0334 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -315,6 +315,7 @@
#define SMSTATEEN0_CS (1ULL << 0)
#define SMSTATEEN0_FCSR (1ULL << 1)
#define SMSTATEEN0_JVT (1ULL << 2)
+#define SMSTATEEN0_P1P13 (1ULL << 56)
#define SMSTATEEN0_HSCONTXT (1ULL << 57)
#define SMSTATEEN0_IMSIC (1ULL << 58)
#define SMSTATEEN0_AIA (1ULL << 59)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index ee33019b03..a19e1afa1f 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -2252,6 +2252,10 @@ static RISCVException write_mstateen0(CPURISCVState *env, int csrno,
wr_mask |= SMSTATEEN0_FCSR;
}
+ if (env->priv_ver >= PRIV_VERSION_1_13_0) {
+ wr_mask |= SMSTATEEN0_P1P13;
+ }
+
return write_mstateen(env, csrno, wr_mask, new_val);
}
@@ -2287,6 +2291,10 @@ static RISCVException write_mstateen0h(CPURISCVState *env, int csrno,
{
uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG;
+ if (env->priv_ver >= PRIV_VERSION_1_13_0) {
+ wr_mask |= SMSTATEEN0_P1P13;
+ }
+
return write_mstateenh(env, csrno, wr_mask, new_val);
}