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qemu/linux-user-Fake-proc-cpuinfo.patch
Dario Faggioli d58941a9c7 Accepting request 1006734 from home:dfaggioli:devel:Virtualization
- Runs of the test-suite seem much more stable now, in this version
  of QEMU. (bsc#1203610) We are also fine re-enabling running them
  in parallel.
- Switch QEMU Linux user to emulate the same CPU as the one of the
  host by default. This is a bit conrtoversial and tricky, when
  thinking about system emulation/virtualization. But for linux-user,
  it should be just fine. (bsc#1203684)
* Patches added:
  linux-user-use-max-as-default-CPU-model-.patch
- Be less verbose when packaging documentation. In fact, with just
  a couple of (minor) re-arrangements, we can get rid of having to
  list all the files all the time
- Package /etc/qemu/bridge.conf as '%config(noreplace). Next step
  will probably be to move it to /usr/etc/qemu (bsc#1201944)
- Switch to %autosetup for all products (this required some changes
  in update_git.sh)
- Run check-qtest sequentially, as it's more reliable, when in OBS
- Build with libbpf, fdt and capstone support
- Drop the patch adding our support document, and deal with that
  in the spec file directly
* Patches dropped:
  doc-add-our-support-doc-to-the-main-proj.patch
- Updated to latest upstream version 7.1
  * https://wiki.qemu.org/ChangeLog/7.1
  Be sure to also check the following pages:
  * https://qemu-project.gitlab.io/qemu/about/removed-features.html
  * https://qemu-project.gitlab.io/qemu/about/deprecated.html
  Some notable changes:
  * [x86] Support for architectural LBRs on KVM virtual machines
  * [x86] The libopcode-based disassembler has been removed. Use
          Capstone instead
  * [LoongArch] Add initial support for the LoongArch64 architecture.
  * [ARM] The emulated SMMUv3 now advertises support for SMMUv3.2-BBML2
  * [ARM] The xlnx-zynqmp SoC model now implements the 4 TTC timers
  * [ARM] The versal machine now models the Cortex-R5s in the Real-Time
          Processing Unit (RPU) subsystem
  * [ARM] The virt board now supports emulation of the GICv4.0
  * [ARM] New emulated CPU types: Cortex-A76, Neoverse-N1
  * [HPPA] Fix serial port pass-through from host to guest
  * [HPPA] Lots of general code improvements and tidy-ups
  * [RISC-V] RISC-V
  * [RISC-V] Add support for privileged spec version 1.12.0
  * [RISC-V] Use privileged spec version 1.12.0 for virt machine by default
  * [RISC-V] Allow software access to MIP SEIP
  * [RISC-V] Add initial support for the Sdtrig extension
  * [RISC-V] Optimisations and improvements for the vector extension
  * [VFIO] Experimental support for exposing emulated PCI devices over the
           new vfio-user protocol (a vfio-user client is not yet available
           in QEMU, though)
  * [QMP] The on-cbw-error option for copy-before-write filter, to specify
           behavior on CBW (copy before write) operation failure.
  * [QMP] The cbw-timeout option for copy-before-write filter, to specify
          timeout for CBW operation.
  * [QMP] New commands query-stats and query-stats-schema to retrieve
          statistics from various QEMU subsystems (right now only from
          KVM).
  * [QMP] The PanicAction can now be configured to report an exit-failure
          (useful for automated testing)
  * [Networking] QEMU can be compiled with the system slirp library even
                 when using CFI. This requires libslirp 4.7.
  * [Migration] Support for zero-copy-send on Linux, which reduces CPU
                usage on the source host. Note that locked memory is needed
                to support this
* Patches added:
  Revert-tests-qtest-enable-more-vhost-use.patch
  meson-remove-pkgversion-from-CONFIG_STAM.patch
* Patches dropped:
  AIO-Reduce-number-of-threads-for-32bit-h.patch
  Makefile-Don-t-check-pc-bios-as-pre-requ.patch
  Revert-8dcb404bff6d9147765d7dd3e9c849337.patch
  Revert-qht-constify-qht_statistics_init.patch
  XXX-dont-dump-core-on-sigabort.patch
  acpi_piix4-Fix-migration-from-SLE11-SP2.patch
  configure-only-populate-roms-if-softmmu.patch
  configure-remove-pkgversion-from-CONFIG_.patch
  coroutine-ucontext-use-QEMU_DEFINE_STATI.patch
  coroutine-use-QEMU_DEFINE_STATIC_CO_TLS.patch
  coroutine-win32-use-QEMU_DEFINE_STATIC_C.patch
  hostmem-default-the-amount-of-prealloc-t.patch
  hw-usb-hcd-ehci-fix-writeback-order.patch
  i8254-Fix-migration-from-SLE11-SP2.patch
  intc-exynos4210_gic-replace-snprintf-wit.patch
  modules-generates-per-target-modinfo.patch
  modules-introduces-module_kconfig-direct.patch
  pc-bios-s390-ccw-net-avoid-warning-about.patch
  pci-fix-overflow-in-snprintf-string-form.patch
  qemu-cvs-gettimeofday.patch
  qemu-cvs-ioctl_debug.patch
  qemu-cvs-ioctl_nodirection.patch
  qht-Revert-some-constification-in-qht.c.patch
  qom-handle-case-of-chardev-spice-module-.patch
  scsi-lsi53c895a-fix-use-after-free-in-ls.patch
  scsi-lsi53c895a-really-fix-use-after-fre.patch
  softmmu-Always-initialize-xlat-in-addres.patch
  sphinx-change-default-language-to-en.patch
  test-add-mapping-from-arch-of-i686-to-qe.patch
  tests-Fix-block-tests-to-be-compatible-w.patch
  tests-qtest-Move-the-fuzz-tests-to-x86-o.patch
  usb-Help-compiler-out-to-avoid-a-warning.patch

OBS-URL: https://build.opensuse.org/request/show/1006734
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=732
2022-09-29 06:46:40 +00:00

76 lines
2.6 KiB
Diff

From: Alexander Graf <agraf@suse.de>
Date: Mon, 23 Jul 2012 10:24:14 +0200
Subject: linux-user: Fake /proc/cpuinfo
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fedora 17 for ARM reads /proc/cpuinfo and fails if it doesn't contain
ARM related contents. This patch implements a quick hack to expose real
/proc/cpuinfo data taken from a real world machine.
The real fix would be to generate at least the flags automatically based
on the selected CPU. Please do not submit this patch upstream until this
has happened.
Signed-off-by: Alexander Graf <agraf@suse.de>
[AF: Rebased for v1.6 and v1.7]
Signed-off-by: Andreas Färber <afaerber@suse.de>
[DF: Restructured it a bit, to make ARM look like other arch-es]
Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
---
linux-user/syscall.c | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f4091212027c254a19dc871a675d..b746511fe5ba1c03cf44a14ed811 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8157,7 +8157,8 @@ static int is_proc_myself(const char *filename, const char *entry)
}
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
- defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA)
+ defined(TARGET_SPARC) || defined(TARGET_M68K) || \
+ defined(TARGET_HPPA) || defined(TARGET_ARM)
static int is_proc(const char *filename, const char *entry)
{
return strcmp(filename, entry) == 0;
@@ -8229,6 +8230,27 @@ static int open_cpuinfo(CPUArchState *cpu_env, int fd)
}
#endif
+#if defined(TARGET_ARM)
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ dprintf(fd,
+"Processor : ARMv7 Processor rev 5 (v7l)\n"
+"BogoMIPS : 799.53\n"
+"Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3\n"
+"CPU implementer : 0x41\n"
+"CPU architecture: 7\n"
+"CPU variant : 0x2\n"
+"CPU part : 0xc08\n"
+"CPU revision : 5\n"
+"\n"
+"Hardware : Genesi Efika MX (Smarttop)\n"
+"Revision : 51030\n"
+"Serial : 0000000000000000\n");
+ return 0;
+}
+#endif
+
+
#if defined(TARGET_M68K)
static int open_hardware(CPUArchState *cpu_env, int fd)
{
@@ -8253,7 +8275,7 @@ static int do_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, int
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
{ "/proc/net/route", open_net_route, is_proc },
#endif
-#if defined(TARGET_SPARC) || defined(TARGET_HPPA)
+#if defined(TARGET_SPARC) || defined(TARGET_HPPA) || defined(TARGET_ARM)
{ "/proc/cpuinfo", open_cpuinfo, is_proc },
#endif
#if defined(TARGET_M68K)