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charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20231123181300.2140622-1-christoph.muellner@vrull.eu> Received-SPF: pass client-ip=2a00:1450:4864:20::530; envelope-from=ajones@ventanamicro.com; helo=mail-ed1-x530.google.com 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Nov 23, 2023 at 07:12:59PM +0100, Christoph Muellner wrote: > From: Christoph Müllner > > Upstream Linux recently added RISC-V Zicboz support to the hwprobe API. > This patch introduces this for QEMU's user space emulator. > > Signed-off-by: Christoph Müllner > --- > linux-user/syscall.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 65ac3ac796..2f9a1c5279 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -8799,6 +8799,7 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) > #define RISCV_HWPROBE_EXT_ZBA (1 << 3) > #define RISCV_HWPROBE_EXT_ZBB (1 << 4) > #define RISCV_HWPROBE_EXT_ZBS (1 << 5) > +#define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6) > > #define RISCV_HWPROBE_KEY_CPUPERF_0 5 > #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) > @@ -8855,6 +8856,8 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, > RISCV_HWPROBE_EXT_ZBB : 0; > value |= cfg->ext_zbs ? > RISCV_HWPROBE_EXT_ZBS : 0; > + value |= cfg->ext_zicboz ? > + RISCV_HWPROBE_EXT_ZICBOZ : 0; > __put_user(value, &pair->value); > break; > case RISCV_HWPROBE_KEY_CPUPERF_0: > -- > 2.41.0 > > We should also add support for getting the block size with RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE. Thanks, drew