From: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
According to RISC-V crypto spec, Zvkb extension is a
subset of the Zvbb extension [1].
1: https://github.com/riscv/riscv-crypto/blob/1769c2609bf4535632e0c0fd715778f212bb272e/doc/vector/riscv-crypto-vector-zvkb.adoc?plain=1#L10
Signed-off-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240528130349.20193-1-jerry.zhangjian@sifive.com>
[ Changes by AF:
- Tidy up commit message
- Rebase
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/tcg/tcg-cpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 683f604d9f..fa8a17cc60 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -667,6 +667,10 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true);
}
+ if (cpu->cfg.ext_zvbb) {
+ cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkb), true);
+ }
+
if ((cpu->cfg.ext_zvbb || cpu->cfg.ext_zvkb || cpu->cfg.ext_zvkg ||
cpu->cfg.ext_zvkned || cpu->cfg.ext_zvknha || cpu->cfg.ext_zvksed ||
cpu->cfg.ext_zvksh) && !cpu->cfg.ext_zve32x) {
--
2.45.2