From b08324a354cd186a7beafedb4e6c5eb671c7bf94 Mon Sep 17 00:00:00 2001
From: Steven Powell <spowellgrr@gmail.com>
Date: Wed, 10 Jul 2024 13:37:30 -0500
Subject: [PATCH] Support running x86 QEMU on arm64

---
 pkg/drivers/qemu/qemu.go                  | 14 ++++++++++----
 pkg/minikube/registry/drvs/qemu2/qemu2.go |  4 ++++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/pkg/drivers/qemu/qemu.go b/pkg/drivers/qemu/qemu.go
index 5d1569a4aa6a..84dd24593e88 100644
--- a/pkg/drivers/qemu/qemu.go
+++ b/pkg/drivers/qemu/qemu.go
@@ -42,6 +42,7 @@ import (
 
 	"k8s.io/klog/v2"
 	pkgdrivers "k8s.io/minikube/pkg/drivers"
+	"k8s.io/minikube/pkg/minikube/detect"
 	"k8s.io/minikube/pkg/minikube/exit"
 	"k8s.io/minikube/pkg/minikube/firewall"
 	"k8s.io/minikube/pkg/minikube/out"
@@ -412,14 +413,19 @@ func (d *Driver) Start() error {
 	}
 
 	// hardware acceleration is important, it increases performance by 10x
-	if runtime.GOOS == "darwin" {
+	var accel string
+	if detect.IsAmd64M1Emulation() {
+		accel = "tcg"
+	} else if runtime.GOOS == "darwin" {
 		// On macOS, enable the Hypervisor framework accelerator.
-		startCmd = append(startCmd,
-			"-accel", "hvf")
+		accel = "hvf"
 	} else if _, err := os.Stat("/dev/kvm"); err == nil && runtime.GOOS == "linux" {
 		// On Linux, enable the Kernel Virtual Machine accelerator.
+		accel = "kvm"
+	}
+	if accel != "" {
 		startCmd = append(startCmd,
-			"-accel", "kvm")
+			"-accel", accel)
 	}
 
 	startCmd = append(startCmd,
diff --git a/pkg/minikube/registry/drvs/qemu2/qemu2.go b/pkg/minikube/registry/drvs/qemu2/qemu2.go
index 0e4fa2f8d4c4..4b848694abcc 100644
--- a/pkg/minikube/registry/drvs/qemu2/qemu2.go
+++ b/pkg/minikube/registry/drvs/qemu2/qemu2.go
@@ -31,6 +31,7 @@ import (
 	"k8s.io/minikube/pkg/drivers/qemu"
 
 	"k8s.io/minikube/pkg/minikube/config"
+	"k8s.io/minikube/pkg/minikube/detect"
 	"k8s.io/minikube/pkg/minikube/download"
 	"k8s.io/minikube/pkg/minikube/driver"
 	"k8s.io/minikube/pkg/minikube/localpath"
@@ -76,6 +77,9 @@ func qemuFirmwarePath(customPath string) (string, error) {
 	if runtime.GOOS == "windows" {
 		return "C:\\Program Files\\qemu\\share\\edk2-x86_64-code.fd", nil
 	}
+	if detect.IsAmd64M1Emulation() {
+		return "/opt/homebrew/opt/qemu/share/qemu/edk2-x86_64-code.fd", nil
+	}
 	arch := runtime.GOARCH
 	// For macOS, find the correct brew installation path for qemu firmware
 	if runtime.GOOS == "darwin" {