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authorMax Chou <max.chou@sifive.com>2023-10-26 23:18:08 +0800
committerAlistair Francis <alistair.francis@wdc.com>2023-11-07 11:06:02 +1000
commit5ddbc83ff2f830f2e96c933d78ccf59c1507eab6 (patch)
tree6d355aaf09e7396cdc430a06f1dedc0b148a00e7
parentc0ce1f2a88c7fb7c923e1764d7af53f4cc815486 (diff)
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target/riscv: Add cfg property for Zvkt extension
Vector crypto spec defines the Zvkt extension that included all of the instructions of Zvbb & Zvbc extensions and some vector instructions. Signed-off-by: Max Chou <max.chou@sifive.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Message-ID: <20231026151828.754279-2-max.chou@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-rw-r--r--target/riscv/cpu_cfg.h1
-rw-r--r--target/riscv/tcg/tcg-cpu.c5
2 files changed, 6 insertions, 0 deletions
diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
index 6eef4a5..1f0dac5 100644
--- a/target/riscv/cpu_cfg.h
+++ b/target/riscv/cpu_cfg.h
@@ -96,6 +96,7 @@ struct RISCVCPUConfig {
bool ext_zvknhb;
bool ext_zvksed;
bool ext_zvksh;
+ bool ext_zvkt;
bool ext_zmmul;
bool ext_zvfbfmin;
bool ext_zvfbfwma;
diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 093bda2..87baae5 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -499,6 +499,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
return;
}
+ if (cpu->cfg.ext_zvkt) {
+ cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbb), true);
+ cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true);
+ }
+
/*
* In principle Zve*x would also suffice here, were they supported
* in qemu