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Setup mac os x virtualbox for xcode how to#
Setup mac os x virtualbox for xcode install#
Setup mac os x virtualbox for xcode license#
Setup mac os x virtualbox for xcode iso#

In VMWare Fusion, you modify nvram using the nvram command like so: $ sudo nvram boot-args="-v debug=0x144" This key combo does not play well with VirtualBox when it covers the host key combo so I rebound the host key to right command + right option. Triggering an NMI will break in the debugger which is super convenient.

Non-maskable interrupts (NMI) can be triggered by pressing control + option + command + shift + escape.

I usually use DB_LOG_PI_SCRN | DB_ARP | DB_NMI. Available flags are listed in the Apple docs.

debug: This option allows us to perform remote kernel debugging.

-zc zlog1=: zc in conjunction with zlog# logs both allocations and frees to the specified zone where # is 1-5.

However, Apple's Kernel Programming Guide says the power management watchdog timer "is only present in G4 and earlier desktops and laptops and in early G5 desktops", and the other primary watchdog timer is "normally only enabled in OS X Server." Thus, this option doesn't seem to do anything, though setting it doesn't hurt.

pmuflags: Many people still seem to recommend setting this option to 1.

kcsuffix: Specifies which kernel to boot using a given suffix.

-v: Always boot the system in verbose mode.

Below are a few that could be of interest including debug. There are numerous options in addition to debug that In order to debug the VM, we must set the debug option of boot-args in Note: The debugee system does not need to have the KDK installed. The DEVELOPMENT and DEBUG kernels have additional assertions and error checkingĬompared to RELEASE with the DEBUG build having even more than DEVELOPMENT. The difference between the different kernels is that The KDK installs to /Library/Developer/KDKs and provides RELEASE,ĭEVELOPMENT, and DEBUG kernels for macOS, as well as symbols for these kernelsĪnd various Apple kexts. In this guide, I used 10.12 build 16A323.

Setup mac os x virtualbox for xcode install#

On our host debugger machine, we need to install the KDK from the Apple XCode and accepting, or through command line.

Setup mac os x virtualbox for xcode license#

The easiest way is to install it from theĪfter installing, accepting the XCode license is required either by opening We need to reach 41139/UDP on theĭebugee VM, so I forward localhost 41139/UDP to the VM's 41139/UDP. In the adapter settings, chooseĪdvanced $\rightarrow$ Port Forwarding. If you decide to go with NAT, you'll need to enable port forwarding for KDP to If you are using a bridged adapter, there isn't anything special you need to $ hdiutil convert /tmp/Sierra.sparseimage -format UDTO -o /tmp/Sierra $ hdiutil resize -sectors min /tmp/Sierra.sparseimage $ hdiutil detach /Volumes/OS\ X\ Base\ System/ $ cp -rp /Volumes/installesd/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist

$ cp -rp /Volumes/installesd/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/BaseSystem.dmg $ cp -rp /Volumes/installesd/Packages /Volumes/OS\ X\ Base\ System/System/Installation/ $ rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages $ asr restore -source /Volumes/installesd/BaseSystem.dmg -target /Volumes/install -noprompt -noverify -erase $ hdiutil attach /tmp/Sierra.sparseimage -noverify -nobrowse -mountpoint /Volumes/install $ hdiutil create -o /tmp/Sierra -size 8g -type SPARSE -layout SPUD -fs HFS+J $ hdiutil attach /Applications/Install\ macOS\ Sierra.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/installesd Sierra install app obtained from the Mac app

Setup mac os x virtualbox for xcode iso#

The commands below can be used to create an ISO from the VirtualBox requires an ISO image to install the OS for You can either provide the vmdk from a VMWare Fusion VM, If you don't already have a macOS VirtualBox VM, we must first install the On VMWare Fusion since it's even more straightforward in Fusion. Geared toward VirtualBox, this guide can also be used to setup kernel debugging

Setup mac os x virtualbox for xcode how to#

This post will be a step-by-step guide on how to setup macOS kernel Luckily, VirtualBox VMs do not support SMAP (yet?). I wanted to avoid dealing with SMAP, but couldn't figure out how to disable As I was debugging a kernel exploit, it turned out that Late last year, I upgraded my old MBP to the 2016 model with a Skylake Simply adding cpuid.7.ebx = "-0-" to the vmx file will disable SMAP. Update: In the HN discussion, awalton mentioned you can set CPUID flags in VMWare.