located at /usr/share/kvm/recognized-CPUID-flags-x86_64
It's a simple one flag per line list of all flags the build of QEMU
can understand for x86_64 CPUs.
It will be used in qemu-server for the custom CPU model feature.
For now, only x86_64 is implemented, since aarch64 doesn't print any flags when
called this way.
Co-developed-by: Stefan Reiter <s.reiter@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
--- /dev/null
+#!/usr/bin/perl
+
+use warnings;
+use strict;
+
+my @flags = ();
+my $got_flags_section;
+
+while (<STDIN>) {
+ if (/^\s*Recognized CPUID flags:/) {
+ $got_flags_section = 1;
+ next;
+ }
+ next if !$got_flags_section;
+
+ s/^\s+//;
+
+ push @flags, split(/\s+/);
+}
+
+die "no QEMU/KVM CPU flags detected from STDIN input" if scalar (@flags) <= 0;
+
+print join("\n", @flags) or die "$!\n";
PACKAGE=pve-qemu-kvm
destdir := $(CURDIR)/debian/$(PACKAGE)
+flagfile := $(destdir)/usr/share/kvm/recognized-CPUID-flags-x86_64
+
CFLAGS = -Wall
ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
rm -Rf $(destdir)/usr/include
rm -Rf $(destdir)/usr/lib*
+ # CPU flags are static for QEMU version, allows avoiding more costly checks
+ $(destdir)/usr/bin/qemu-system-x86_64 -cpu help | ./debian/parse-cpu-flags.pl > $(flagfile)
+
# Build architecture-independent files here.
binary-indep: build install
# We have nothing to do by default.