Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* AccelCPUClass and sysemu/user split for i386 (Claudio)
* i386 page walk unification
* Fix detection of gdbus-codegen
* Misc refactoring

# gpg: Signature made Wed 12 May 2021 09:39:29 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (32 commits)
  coverity-scan: list components, move model to scripts/coverity-scan
  configure: fix detection of gdbus-codegen
  qemu-option: support accept-any QemuOptsList in qemu_opts_absorb_qdict
  main-loop: remove dead code
  target/i386: use mmu_translate for NPT walk
  target/i386: allow customizing the next phase of the translation
  target/i386: extend pg_mode to more CR0 and CR4 bits
  target/i386: pass cr3 to mmu_translate
  target/i386: extract mmu_translate
  target/i386: move paging mode constants from SVM to cpu.h
  target/i386: merge SVM_NPTEXIT_* with PF_ERROR_* constants
  accel: add init_accel_cpu for adapting accel behavior to CPU type
  accel: move call to accel_init_interfaces
  i386: make cpu_load_efer sysemu-only
  target/i386: gdbstub: only write CR0/CR2/CR3/EFER for sysemu
  target/i386: gdbstub: introduce aux functions to read/write CS64 regs
  i386: split off sysemu part of cpu.c
  i386: split seg_helper into user-only and sysemu parts
  i386: split svm_helper into sysemu and stub-only user
  i386: separate fpu_helper sysemu-only parts
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 154 insertions, 0 deletions

diff --git a/scripts/coverity-scan/COMPONENTS.md b/scripts/coverity-scan/COMPONENTS.md
new file mode 100644
index 0000000000..02a3447dab
--- /dev/null
+++ b/scripts/coverity-scan/COMPONENTS.md
@@ -0,0 +1,154 @@
+This is the list of currently configured Coverity components:
+
+alpha
+  ~ (/qemu)?((/include)?/hw/alpha/.*|/target/alpha/.*)
+
+arm
+  ~ (/qemu)?((/include)?/hw/arm/.*|(/include)?/hw/.*/(arm|allwinner-a10|bcm28|digic|exynos|imx|omap|stellaris|pxa2xx|versatile|zynq|cadence).*|/hw/net/xgmac.c|/hw/ssi/xilinx_spips.c|/target/arm/.*)
+
+avr
+  ~ (/qemu)?((/include)?/hw/avr/.*|/target/avr/.*)
+
+cris
+  ~ (/qemu)?((/include)?/hw/cris/.*|/target/cris/.*)
+
+hexagon
+  ~ (/qemu)?(/target/hexagon/.*)
+
+hppa
+  ~ (/qemu)?((/include)?/hw/hppa/.*|/target/hppa/.*)
+
+i386
+  ~ (/qemu)?((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)
+
+lm32
+  ~ (/qemu)?((/include)?/hw/lm32/.*|/target/lm32/.*|/hw/.*/(milkymist|lm32).*)
+
+m68k
+  ~ (/qemu)?((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*)
+
+microblaze
+  ~ (/qemu)?((/include)?/hw/microblaze/.*|/target/microblaze/.*)
+
+mips
+  ~ (/qemu)?((/include)?/hw/mips/.*|/target/mips/.*)
+
+nios2
+  ~ (/qemu)?((/include)?/hw/nios2/.*|/target/nios2/.*)
+
+ppc
+  ~ (/qemu)?((/include)?/hw/ppc/.*|/target/ppc/.*|/hw/pci-host/(uninorth.*|dec.*|prep.*|ppc.*)|/hw/misc/macio/.*|(/include)?/hw/.*/(xics|openpic|spapr).*)
+
+riscv
+  ~ (/qemu)?((/include)?/hw/riscv/.*|/target/riscv/.*)
+
+rx
+  ~ (/qemu)?((/include)?/hw/rx/.*|/target/rx/.*)
+
+s390
+  ~ (/qemu)?((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)
+
+sh4
+  ~ (/qemu)?((/include)?/hw/sh4/.*|/target/sh4/.*)
+
+sparc
+  ~ (/qemu)?((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)
+
+tilegx
+  ~ (/qemu)?(/target/tilegx/.*)
+
+tricore
+  ~ (/qemu)?((/include)?/hw/tricore/.*|/target/tricore/.*)
+
+unicore32
+  ~ (/qemu)?((/include)?/hw/unicore32/.*|/target/unicore32/.*)
+
+9pfs
+  ~ (/qemu)?(/hw/9pfs/.*|/fsdev/.*)
+
+audio
+  ~ (/qemu)?((/include)?/(audio|hw/audio)/.*)
+
+block
+  ~ (/qemu)?(/block.*|(/include?)(/hw)?/(block|storage-daemon)/.*|(/include)?/hw/ide/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)
+
+char
+  ~ (/qemu)?(/qemu-char\.c|/include/sysemu/char\.h|(/include)?/hw/char/.*)
+
+capstone
+  ~ (/qemu)?(/capstone/.*)
+
+crypto
+  ~ (/qemu)?((/include)?/crypto/.*|/hw/.*/crypto.*)
+
+disas
+  ~ (/qemu)?((/include)?/disas.*)
+
+fpu
+  ~ (/qemu)?((/include)?(/fpu|/libdecnumber)/.*)
+
+io
+  ~ (/qemu)?((/include)?/io/.*)
+
+ipmi
+  ~ (/qemu)?((/include)?/hw/ipmi/.*)
+
+libvixl
+  ~ (/qemu)?(/disas/libvixl/.*)
+
+migration
+  ~ (/qemu)?((/include)?/migration/.*)
+
+monitor
+  ~ (/qemu)?(/qapi.*|/qobject/.*|/monitor\..*|/[hq]mp\..*)
+
+nbd
+  ~ (/qemu)?(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)
+
+net
+  ~ (/qemu)?((/include)?(/hw)?/(net|rdma)/.*)
+
+pci
+  ~ (/qemu)?(/hw/pci.*|/include/hw/pci.*)
+
+qemu-ga
+  ~ (/qemu)?(/qga/.*)
+
+scsi
+  ~ (/qemu)?(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)
+
+slirp
+  ~ (/qemu)?(/.*slirp.*)
+
+tcg
+  ~ (/qemu)?(/accel/tcg/.*|/replay/.*|/(.*/)?softmmu.*)
+
+trace
+  ~ (/qemu)?(/.*trace.*\.[ch])
+
+ui
+  ~ (/qemu)?((/include)?(/ui|/hw/display|/hw/input)/.*)
+
+usb
+  ~ (/qemu)?(/hw/usb/.*|/include/hw/usb/.*)
+
+user
+  ~ (/qemu)?(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/exec/user/.*)
+
+util
+  ~ (/qemu)?(/util/.*|/include/qemu/.*)
+
+xen
+  ~ (/qemu)?(.*/xen.*)
+
+virtiofsd
+  ~ (/qemu)?(/tools/virtiofsd/.*)
+
+(headers)
+  ~ (/qemu)?(/include/.*)
+
+testlibs
+  ~ (/qemu)?(/tests/qtest(/libqos/.*|/libqtest.*))
+
+tests
+  ~ (/qemu)?(/tests/.*)
diff --git a/scripts/coverity-model.c b/scripts/coverity-scan/model.c
index 2c0346ff25..2c0346ff25 100644
--- a/scripts/coverity-model.c
+++ b/scripts/coverity-scan/model.c