From 06fb3bda6aadeb190be09a1513f1f0d31d119d16 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Fri, 23 Aug 2024 10:32:31 +1000 Subject: [PATCH] target: riscv: Enable Bit Manip for OpenTitan Ibex CPU The OpenTitan Ibex CPU now supports the the Zba, Zbb, Zbc and Zbs bit-manipulation sub-extensions ratified in v.1.0.0 of the RISC-V Bit- Manipulation ISA Extension, so let's enable them in QEMU as well. 1: https://github.com/lowRISC/opentitan/pull/9748 Signed-off-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza Message-ID: <20240823003231.3522113-1-alistair.francis@wdc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 0f8189bcf0..a1ca12077f 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -680,6 +680,11 @@ static void rv32_ibex_cpu_init(Object *obj) cpu->cfg.ext_zicsr = true; cpu->cfg.pmp = true; cpu->cfg.ext_smepmp = true; + + cpu->cfg.ext_zba = true; + cpu->cfg.ext_zbb = true; + cpu->cfg.ext_zbc = true; + cpu->cfg.ext_zbs = true; } static void rv32_imafcu_nommu_cpu_init(Object *obj)