qemu: use -cpu max

kernel/src/arch/aarch64/boot/mod.rs

@@ -24,7 +24,7 @@ use crate::{
 };
 
 unsafe fn pre_init_mmu() {
-    if !ID_AA64MMFR0_EL1.matches_all(ID_AA64MMFR0_EL1::TGran4::Supported) {
+    if ID_AA64MMFR0_EL1.matches_all(ID_AA64MMFR0_EL1::TGran4::NotSupported) {
         // TODO early panic
         todo!();
     }

lib/qemu/src/aarch64.rs

@@ -10,6 +10,7 @@ pub enum Machine {
 #[derive(Debug)]
 pub enum Cpu {
     CortexA57,
+    Max,
 }
 
 #[derive(Debug)]
@@ -45,6 +46,9 @@ impl IntoArgs for Cpu {
             Self::CortexA57 => {
                 command.arg("cortex-a57");
             }
+            Self::Max => {
+                command.arg("max");
+            }
         }
     }
 }

xtask/src/qemu.rs

@@ -134,7 +134,7 @@ fn run_aarch64(
         qemu.override_qemu(qemu_bin);
     }
     qemu.with_serial(QemuSerialTarget::MonStdio)
-        .with_cpu(aarch64::Cpu::CortexA57)
+        .with_cpu(aarch64::Cpu::Max)
         .with_smp(config.machine.smp)
         .with_machine(aarch64::Machine::Virt { virtualize: true })
         .with_boot_image(aarch64::Image::Kernel {