diff mbox series

[PULL,v2,07/47] target: riscv: Enable Bit Manip for OpenTitan Ibex CPU

Message ID 20240924221751.2688389-8-alistair.francis@wdc.com (mailing list archive)
State New, archived
Headers show
Series [PULL,v2,01/47] target/riscv: Add a property to set vl to ceil(AVL/2) | expand

Commit Message

Alistair Francis Sept. 24, 2024, 10:17 p.m. UTC 
From: Alistair Francis <alistair23@gmail.com>

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 <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240823003231.3522113-1-alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

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)