Add CPUID_FLAGS to edit the CPUID flags on the fly.

CHANGELOG.md

@@ -1,5 +1,6 @@
 |Version|Date|Notes|
 |---|---|---|
+|   |2021-07-08|Add CPUID_FLAGS to edit the CPUID flags on the fly.|
 |4.4|2021-05-06|Prepare nakedvnc for hub.docker.com. Add `ENV BOOT_ARGS=` to supply additon boot arguments, for example, `vmx,rdtscp`. Add `ENV CPU=Penryn` to allow changes to the CPU emulation, for example, `Skylake-Client`, or see [more examples here](https://manpages.ubuntu.com/manpages/disco/man7/qemu-cpu-models.7.html).| 
 |   |2021-05-04|Disable arbitrary chown warning| 
 |   |2021-04-27|Fixed missing sudo| 

Dockerfile

@@ -219,7 +219,7 @@ RUN touch Launch.sh \
     && tee -a Launch.sh <<< '[[ "${RAM}" = half ]] && export RAM="$(("$(head -n1 /proc/meminfo | tr -dc "[:digit:]") / 2000000"))"' \
     && tee -a Launch.sh <<< 'sudo chown -R $(id -u):$(id -g) /dev/snd 2>/dev/null || true' \
     && tee -a Launch.sh <<< 'exec qemu-system-x86_64 -m ${RAM:-2}000 \' \
-    && tee -a Launch.sh <<< '-cpu ${CPU:-Penryn},vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check,${BOOT_ARGS} \' \
+    && tee -a Launch.sh <<< '-cpu ${CPU:-Penryn},${CPUID_FLAGS:-vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check,}${BOOT_ARGS} \' \
     && tee -a Launch.sh <<< '-machine q35,${KVM-"accel=kvm:tcg"} \' \
     && tee -a Launch.sh <<< '-smp ${CPU_STRING:-${SMP:-4},cores=${CORES:-4}} \' \
     && tee -a Launch.sh <<< '-usb -device usb-kbd -device usb-tablet \' \
@@ -263,11 +263,13 @@ ENV BOOT_ARGS=
 
 ENV BOOTDISK=
 
-# edit the CPU that is beign emulated
+# edit the CPU that is being emulated
 ENV CPU=Penryn
+ENV CPUID_FLAGS='vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check,'
 
 ENV DISPLAY=:0.0
 
+# Deprecated
 ENV ENV=/env
 
 # Boolean for generating a bootdisk with new random serials.