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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chih-Min Chao , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" zfh extension is still a draft and is not included in master spec. The related field, 'k', in MISA is also undecided but has been discussed in reference link. ref: zfh spec: https://github.com/riscv/riscv-isa-manual/tree/zfh misa field: https://github.com/riscv/riscv-isa-manual/issues/414 Signed-off-by: Chih-Min Chao --- target/riscv/cpu.c | 4 ++++ target/riscv/cpu.h | 1 + 2 files changed, 5 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 228b9bd..8ad8782 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -469,6 +469,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error *= *errp) } set_vext_version(env, vext_version); } + if (cpu->cfg.ext_k) { + target_misa |=3D RVZfh; + } =20 set_misa(env, RVXLEN | target_misa); } @@ -509,6 +512,7 @@ static Property riscv_cpu_properties[] =3D { /* This is experimental so mark with 'x-' */ DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false), DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false), + DEFINE_PROP_BOOL("x-k", RISCVCPU, cfg.ext_k, false), DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true), DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true), DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 6a077c1..bdef2a8 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -281,6 +281,7 @@ typedef struct RISCVCPU { bool ext_u; bool ext_h; bool ext_v; + bool ext_k; bool ext_counters; bool ext_ifencei; bool ext_icsr; --=20 2.7.4