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target/riscv: Add cfg property for Zvkb extension 

After vector crypto spec v1.0.0-rc3 release, the Zvkb extension is
defined as a proper subset of the Zvbb extension. And both the Zvkn and
Zvks shorthand extensions replace the included Zvbb extension by Zvkb
extnesion.

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: <20231026151828.754279-4-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Max Chou 2023-10-26 23:18:10 +08:00 committed by Alistair Francis
parent 1c32b63066
commit 389b2e7014
2 changed files with 4 additions and 3 deletions
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1
target/riscv/cpu_cfg.h
View File

@ -90,6 +90,7 @@ struct RISCVCPUConfig {
bool ext_zve64d;
bool ext_zvbb;
bool ext_zvbc;
bool ext_zvkb;
bool ext_zvkg;
bool ext_zvkned;
bool ext_zvknha;

6
target/riscv/tcg/tcg-cpu.c
View File

@ -508,9 +508,9 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
* In principle Zve*x would also suffice here, were they supported
* in qemu
*/
if ((cpu->cfg.ext_zvbb || cpu->cfg.ext_zvkg || cpu->cfg.ext_zvkned ||
cpu->cfg.ext_zvknha || cpu->cfg.ext_zvksed || cpu->cfg.ext_zvksh) &&
!cpu->cfg.ext_zve32f) {
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_zve32f) {
error_setg(errp,
"Vector crypto extensions require V or Zve* extensions");
return;