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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=57.103.78.10; envelope-from=mohamed@unpredictable.fr; helo=outbound.st.icloud.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_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1774365358824158500 Content-Type: text/plain; charset="utf-8" target/i386/emulate now has new ops for fetching whether the guest is in protected mode, long mode or user mode without fetching control registers. Use those for faster vmexits. Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 69d141e7cc..b97dc9fd51 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -885,10 +885,32 @@ static void read_segment_descriptor(CPUState *cpu, } } =20 +static bool is_protected_mode(CPUState *cpu) +{ + AccelCPUState *vcpu =3D cpu->accel; + + return vcpu->exit_ctx.VpContext.ExecutionState.Cr0Pe =3D=3D 1; +} + +static bool is_long_mode(CPUState *cpu) +{ + AccelCPUState *vcpu =3D cpu->accel; + + return vcpu->exit_ctx.VpContext.ExecutionState.EferLma =3D=3D 1; +} + +static bool is_user_mode(CPUState *cpu) +{ + AccelCPUState *vcpu =3D cpu->accel; + return vcpu->exit_ctx.VpContext.ExecutionState.Cpl =3D=3D 3; +} =20 static const struct x86_emul_ops whpx_x86_emul_ops =3D { .read_segment_descriptor =3D read_segment_descriptor, - .handle_io =3D handle_io + .handle_io =3D handle_io, + .is_protected_mode =3D is_protected_mode, + .is_long_mode =3D is_long_mode, + .is_user_mode =3D is_user_mode }; =20 static void whpx_init_emu(void) --=20 2.50.1 (Apple Git-155)