From 7cdc8ddb080863c7883762961e5012f08487ce98 Mon Sep 17 00:00:00 2001 From: Max Chou Date: Thu, 26 Oct 2023 23:18:13 +0800 Subject: [PATCH] target/riscv: Add cfg properties for Zvkn[c|g] extensions Vector crypto spec defines the NIST algorithm suite related extensions (Zvkn, Zvknc, Zvkng) combined by several vector crypto extensions. Signed-off-by: Max Chou Acked-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza Message-ID: <20231026151828.754279-7-max.chou@sifive.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 3 +++ target/riscv/tcg/tcg-cpu.c | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index c4b2fec024..08733002a7 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -98,6 +98,9 @@ struct RISCVCPUConfig { bool ext_zvksed; bool ext_zvksh; bool ext_zvkt; + bool ext_zvkn; + bool ext_zvknc; + bool ext_zvkng; 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 ad7a183a74..9540d1df4e 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -499,6 +499,26 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp) return; } + /* + * Shorthand vector crypto extensions + */ + if (cpu->cfg.ext_zvknc) { + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkn), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true); + } + + if (cpu->cfg.ext_zvkng) { + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkn), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkg), true); + } + + if (cpu->cfg.ext_zvkn) { + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkned), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvknhb), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkb), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkt), true); + } + 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);