Commit Graph

74984 Commits

Author SHA1 Message Date
Richard Henderson
66412260cc target/arm: Update arm_mmu_idx_el for PAN
Examine the PAN bit for EL1, EL2, and Secure EL1 to
determine if it applies.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
220f508f49 target/arm: Update MSR access for PAN
For aarch64, there's a dedicated msr (imm, reg) insn.
For aarch32, this is done via msr to cpsr.  Writes from el0
are ignored, which is already handled by the CPSR_USER mask.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
1408451118 target/arm: Introduce aarch64_pstate_valid_mask
Use this along the exception return path, where we previously
accepted any values.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
70dae0d069 target/arm: Remove CPSR_RESERVED
The only remaining use was in op_helper.c.  Use PSTATE_SS
directly, and move the commentary so that it is more obvious
what is going on.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
d203cabd1b target/arm: Use aarch32_cpsr_valid_mask in helper_exception_return
Using ~0 as the mask on the aarch64->aarch32 exception return
was not even as correct as the CPSR_ERET_MASK that we had used
on the aarch32->aarch32 exception return.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
437864216d target/arm: Replace CPSR_ERET_MASK with aarch32_cpsr_valid_mask
CPSR_ERET_MASK was a useless renaming of CPSR_RESERVED.
The function also takes into account bits that the cpu
does not support.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
f062d1447f target/arm: Mask CPSR_J when Jazelle is not enabled
The J bit signals Jazelle mode, and so of course is RES0
when the feature is not enabled.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
4f9584ed4b target/arm: Split out aarch32_cpsr_valid_mask
Split this helper out of msr_mask in translate.c.  At the same time,
transform the negative reductive logic to positive accumulative logic.
It will be usable along the exception paths.

While touching msr_mask, fix up formatting.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:54 +00:00
Richard Henderson
d8564ee4e5 target/arm: Move LOR regdefs to file scope
For static const regdefs, file scope is preferred.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Richard Henderson
3d6ad6bb46 target/arm: Add isar_feature tests for PAN + ATS1E1
Include definitions for all of the bits in ID_MMFR3.
We already have a definition for ID_AA64MMFR1.PAN.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Richard Henderson
452ef8cb8c target/arm: Add mmu_idx for EL1 and EL2 w/ PAN enabled
To implement PAN, we will want to swap, for short periods
of time, to a different privileged mmu_idx.  In addition,
we cannot do this with flushing alone, because the AT*
instructions have both PAN and PAN-less versions.

Add the ARMMMUIdx*_PAN constants where necessary next to
the corresponding ARMMMUIdx* constant.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Richard Henderson
fee7aa46ed target/arm: Add arm_mmu_idx_is_stage1_of_2
Use a common predicate for querying stage1-ness.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
979a89023f virt/acpi: update golden masters for DSDT update
Differences between disassembled ASL files:

@@ -5,13 +5,13 @@
  *
  * Disassembling to symbolic ASL+ operators
  *
- * Disassembly of DSDT, Thu Jan 23 16:00:04 2020
+ * Disassembly of DSDT.new, Thu Jan 23 16:47:12 2020
  *
  * Original Table Header:
  *     Signature        "DSDT"
- *     Length           0x0000481E (18462)
+ *     Length           0x000014BB (5307)
  *     Revision         0x02
- *     Checksum         0x60
+ *     Checksum         0xD1
  *     OEM ID           "BOCHS "
  *     OEM Table ID     "BXPCDSDT"
  *     OEM Revision     0x00000001 (1)
@@ -43,7 +43,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
                     0x00000021,
                 }
             })
-            Name (_ADR, 0x09000000)  // _ADR: Address
         }

         Device (FLS0)
@@ -668,11 +667,10 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
             Name (_CID, "PNP0A03" /* PCI Bus */)  // _CID: Compatible ID
             Name (_SEG, Zero)  // _SEG: PCI Segment
             Name (_BBN, Zero)  // _BBN: BIOS Bus Number
-            Name (_ADR, Zero)  // _ADR: Address
             Name (_UID, "PCI0")  // _UID: Unique ID
             Name (_STR, Unicode ("PCIe 0 Device"))  // _STR: Description String
             Name (_CCA, One)  // _CCA: Cache Coherency Attribute
-            Name (_PRT, Package (0x0400)  // _PRT: PCI Routing Table
+            Name (_PRT, Package (0x80)  // _PRT: PCI Routing Table
             {
                 Package (0x04)
                 {
@@ -1696,7174 +1694,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
                     0x03,
                     GSI2,
                     Zero
-                },
-
-                Package (0x04)
-                {
-                    0x0020FFFF,
-                    Zero,
-                    GSI0,
-                    Zero
-                },
-
-                *Omit the other (4 * (256 - 32) - 2) packages*
-
-                Package (0x04)
-                {
-                    0x00FFFFFF,
-                    0x03,
-                    GSI2,
-                    Zero
                 }
             })
             Device (GSI0)
@@ -8892,7 +1722,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
             Device (GSI1)
             {
                 Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */)  // _HID: Hardware ID
-                Name (_UID, Zero)  // _UID: Unique ID
+                Name (_UID, One)  // _UID: Unique ID
                 Name (_PRS, ResourceTemplate ()  // _PRS: Possible Resource Settings
                 {
                     Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8915,7 +1745,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
             Device (GSI2)
             {
                 Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */)  // _HID: Hardware ID
-                Name (_UID, Zero)  // _UID: Unique ID
+                Name (_UID, 0x02)  // _UID: Unique ID
                 Name (_PRS, ResourceTemplate ()  // _PRS: Possible Resource Settings
                 {
                     Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8938,7 +1768,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
             Device (GSI3)
             {
                 Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */)  // _HID: Hardware ID
-                Name (_UID, Zero)  // _UID: Unique ID
+                Name (_UID, 0x03)  // _UID: Unique ID
                 Name (_PRS, ResourceTemplate ()  // _PRS: Possible Resource Settings
                 {
                     Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8965,37 +1795,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)

             Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
             {
-                Name (RBUF, ResourceTemplate ()
-                {
-                    WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
-                        0x0000,             // Granularity
-                        0x0000,             // Range Minimum
-                        0x00FF,             // Range Maximum
-                        0x0000,             // Translation Offset
-                        0x0100,             // Length
-                        ,, )
-                    DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
-                        0x00000000,         // Granularity
-                        0x10000000,         // Range Minimum
-                        0x3EFEFFFF,         // Range Maximum
-                        0x00000000,         // Translation Offset
-                        0x2EFF0000,         // Length
-                        ,, , AddressRangeMemory, TypeStatic)
-                    DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
-                        0x00000000,         // Granularity
-                        0x00000000,         // Range Minimum
-                        0x0000FFFF,         // Range Maximum
-                        0x3EFF0000,         // Translation Offset
-                        0x00010000,         // Length
-                        ,, , TypeStatic, DenseTranslation)
-                    QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
-                        0x0000000000000000, // Granularity
-                        0x0000008000000000, // Range Minimum
-                        0x000000FFFFFFFFFF, // Range Maximum
-                        0x0000000000000000, // Translation Offset
-                        0x0000008000000000, // Length
-                        ,, , AddressRangeMemory, TypeStatic)
-                })
                 Return (ResourceTemplate ()
                 {
                     WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
@@ -9080,11 +1879,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
                 })
             }

-            Device (RP0)
-            {
-                Name (_ADR, Zero)  // _ADR: Address
-            }
-
             Device (RES0)
             {
                 Name (_HID, "PNP0C02" /* PNP Motherboard Resources */)  // _HID: Hardware ID
@@ -9131,7 +1925,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
         Device (PWRB)
         {
             Name (_HID, "PNP0C0C" /* Power Button Device */)  // _HID: Hardware ID
-            Name (_ADR, Zero)  // _ADR: Address
             Name (_UID, Zero)  // _UID: Unique ID
         }
     }

The differences between the two versions of DSDT.memhp are almost the
same as the above, except for total length and checksum.

DSDT.numamem binary is just the same with DSDT on virt machine, so we
don't show the differences again.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-8-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
b43bd40ba2 arm/acpi: simplify the description of PCI _CRS
The original code defines a named object for the resource template but
then returns the resource template object itself; the resulted output
is like below:

Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
{
    Name (RBUF, ResourceTemplate ()
    {
        WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
            0x0000,             // Granularity
            0x0000,             // Range Minimum
            0x00FF,             // Range Maximum
            0x0000,             // Translation Offset
            0x0100,             // Length
            ,, )
        ......
    })
    Return (ResourceTemplate ()
    {
        WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
            0x0000,             // Granularity
            0x0000,             // Range Minimum
            0x00FF,             // Range Maximum
            0x0000,             // Translation Offset
            0x0100,             // Length
            ,, )
        ......
    })
}

So the named object "RBUF" is actually useless. The more natural way
is to return RBUF instead, or simply drop RBUF definition.

Choose the latter one to simplify the code.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-7-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
f0ca15ad89 arm/acpi: fix duplicated _UID of PCI interrupt link devices
Using _UID of 0 for all PCI interrupt link devices absolutely violates
the spec. Simply increase one by one.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-6-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
c77b253159 arm/acpi: fix PCI _PRT definition
The address field in each _PRT mapping package should be constructed
with high word for device# and low word for function#, so it is wrong
to use bus_no as the high word. The existing code adds a bunch useless
entries with device #s above 31. Enumerate all possible slots
(i.e. PCI_SLOT_MAX) instead.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-5-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
93e4170001 arm/virt/acpi: remove _ADR from devices identified by _HID
According to ACPI spec, _ADR should be used for device on a bus that
has a standard enumeration algorithm, but not for device which is on
system bus and must be enumerated by OSPM. And it is not recommended
to contain both _HID and _ADR in a single device.

See ACPI 6.3, section 6.1, top of page 343:

A device object must contain either an _HID object or an _ADR object,
but should not contain both.

(https://uefi.org/sites/default/files/resources/ACPI_6_3_May16.pdf)

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-4-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
cf48a9052e arm/virt/acpi: remove meaningless sub device "RP0" from PCI0
The sub device "RP0" under PCI0 in ACPI/DSDT does not contain any
method or property other than "_ADR", so it is safe to remove it.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Acked-by: "Michael S. Tsirkin" <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-3-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Heyi Guo
4ac637ef84 bios-tables-test: prepare to change ARM virt ACPI DSDT
We are going to change ARM virt ACPI DSDT table, which will cause make
check to fail, so temporarily add related golden masters to ignore
list.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-2-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:53 +00:00
Roman Kapl
5fecbf0f0c i.MX: Add support for WDT on i.MX6
Uses the i.MX2 rudimentary watchdog driver.

Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-id: 20200207095529.11309-1-rka@sysgo.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: removed accidental duplicate #include line]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:52 +00:00
Roman Kapl
0e7bb14b56 i.MX: Fix inverted register bits in wdt code.
Documentation says for WDA '0: Assert WDOG output.' and for SRS
'0: Assert system reset signal.'.

Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-id: 20200207095409.11227-1-rka@sysgo.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 14:14:52 +00:00
Peter Maydell
81f49abaaa * various small fixes and cleanups
* fixes for the ucode revision patch from the previous pull request
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJeRBoQAAoJEL/70l94x66DYOUIAJKM5PDAhOkJpSqoSz2mMVJN
 IOq2YhmbQHSVojUDCUEFnKd2Zja858vsOoAslgce0nbgj+ZNn9WZEVIKeHqkW6cg
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 =VlyM
 -----END PGP SIGNATURE-----

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

* various small fixes and cleanups
* fixes for the ucode revision patch from the previous pull request

# gpg: Signature made Wed 12 Feb 2020 15:30:24 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# 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/tags/for-upstream:
  target/i386: enable monitor and ucode revision with -cpu max
  target/i386: check for availability of MSR_IA32_UCODE_REV as an emulated MSR
  target/i386: fix TCG UCODE_REV access
  build: move TARGET_GPROF to config-host.mak
  exec: do not define use_icount for user-mode emulation
  minikconf: accept alnum identifiers
  Remove support for CLOCK_MONOTONIC not being defined
  seqlock: fix seqlock_write_unlock_impl function
  vl: Don't mismatch g_strsplit()/g_free()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 13:40:59 +00:00
Peter Maydell
7ce9ce8993 gtk: refresh rate fix.
cocoa: drop pre-10.12 support.
 ui: rework show-cursor option.
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =7GVK
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20200212-pull-request' into staging

gtk: refresh rate fix.
cocoa: drop pre-10.12 support.
ui: rework show-cursor option.

# gpg: Signature made Wed 12 Feb 2020 16:18:17 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20200212-pull-request:
  ui/cocoa: Drop workarounds for pre-10.12 OSX
  ui: deprecate legacy -show-cursor option
  ui: drop curor_hide global variable.
  ui/gtk: implement show-cursor option
  ui/cocoa: switch to new show-cursor option
  ui/sdl: switch to new show-cursor option
  ui: wire up legacy -show-cursor option
  ui: add show-cursor option
  ui/gtk: Fix gd_refresh_rate_millihz() when widget window is not realized
  ui/gtk: Update gd_refresh_rate_millihz() to handle VirtualConsole

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-13 11:06:32 +00:00
Juan Quintela
1a920d2b63 git: Make submodule check only needed modules
If one is compiling more than one tree from the same source, it is
possible that they need different submodules.  Change the check to see
that all modules that we are interested in are updated, discarding the
ones that we don't care about.

Signed-off-by: Juan Quintela <quintela@redhat.com>

---

v1->v2:
patchw insists in not using modules
2020-02-13 11:31:58 +01:00
Pan Nengyuan
e022d47388 migration-test: fix some memleaks in migration-test
spotted by asan, 'check-qtest-aarch64' runs fail if sanitizers is enabled.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 11:28:54 +01:00
Dr. David Alan Gilbert
6e1f837a14 tests/migration: Add some slack to auto converge
There's an assert in autoconverge that checks that we quit the
iteration when we go below the expected threshold.  Philippe
saw a case where this assert fired with the measured value
slightly over the threshold. (about 3k out of a few million).

I can think of two reasons:
  a) Rounding errors
  b) That after we make the decision to quit iteration we do one
    more sync and that sees a few more dirty pages.

So add 1% slack to the assertion, that should cover a and
most cases of b, probably all we'll see for the test.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 10:57:35 +01:00
Dr. David Alan Gilbert
2a1bc8bde7 migration/rdma: rdma_accept_incoming_migration fix error handling
rdma_accept_incoming_migration is called from an fd handler and
can't return an Error * anywhere.
Currently it's leaking Error's in errp/local_err - there's
no point putting them in there unless we can report them.

Turn most into fprintf's, and the last into an error_reportf_err
where it's coming up from another function.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 10:55:55 +01:00
Keqian Zhu
d05de9e39a migration: Optimization about wait-unplug migration state
qemu_savevm_nr_failover_devices() is originally designed to
get the number of failover devices, but it actually returns
the number of "unplug-pending" failover devices now. Moreover,
what drives migration state to wait-unplug should be the number
of "unplug-pending" failover devices, not all failover devices.

We can also notice that qemu_savevm_state_guest_unplug_pending()
and qemu_savevm_nr_failover_devices() is equivalent almost (from
the code view). So the latter is incorrect semantically and
useless, just delete it.

In the qemu_savevm_state_guest_unplug_pending(), once hit a
unplug-pending failover device, then it can return true right
now to save cpu time.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Tested-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Jens Freimann <jfreimann@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 10:53:10 +01:00
Zhimin Feng
8958338b10 migration: Maybe VM is paused when migration is cancelled
If the migration is cancelled when it is in the completion phase,
the migration state is set to MIGRATION_STATUS_CANCELLING.
The VM maybe wait for the 'pause_sem' semaphore in migration_maybe_pause
function, so that VM always is paused.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Zhimin Feng <fengzhimin1@huawei.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 10:52:58 +01:00
Gerd Hoffmann
ed71c09ffd qxl: introduce hardware revision 5
The only difference to hardware revision 4 is that the device doesn't
switch to VGA mode in case someone happens to touch a VGA register,
which should make things more robust in configurations with multiple
vga devices.

Swtiching back to VGA mode happens on reset, either full machine
reset or qxl device reset (QXL_IO_RESET ioport command).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20200206074358.4274-1-kraxel@redhat.com
2020-02-13 08:31:40 +01:00
Richard Henderson
2445971604 tcg: Add tcg_gen_gvec_5_ptr
Extend the vector generator infrastructure to handle
5 vector arguments.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-02-12 14:58:36 -08:00
Laurent Vivier
6d485a55d0 linux-user: implement TARGET_SO_PEERSEC
"The purpose of this option is to allow an application to obtain the
security credentials of a Unix stream socket peer.  It is analogous to
SO_PEERCRED (which provides authentication using standard Unix credentials
of pid, uid and gid), and extends this concept to other security
models." -- https://lwn.net/Articles/62370/

Until now it was passed to the kernel with an "int" argument and
fails when it was supported by the host because the parameter is
like a filename: it is always a \0-terminated string with no embedded
\0 characters, but is not guaranteed to be ASCII or UTF-8.

I've tested the option with the following program:

    /*
     * cc -o getpeercon getpeercon.c
     */

    #include <stdio.h>
    #include <sys/types.h>
    #include <sys/socket.h>
    #include <netinet/in.h>
    #include <arpa/inet.h>

    int main(void)
    {
        int fd;
        struct sockaddr_in server, addr;
        int ret;
        socklen_t len;
        char buf[256];

        fd = socket(PF_INET, SOCK_STREAM, 0);
        if (fd == -1) {
            perror("socket");
            return 1;
        }

        server.sin_family = AF_INET;
        inet_aton("127.0.0.1", &server.sin_addr);
        server.sin_port = htons(40390);

        connect(fd, (struct sockaddr*)&server, sizeof(server));

        len = sizeof(buf);
        ret = getsockopt(fd, SOL_SOCKET, SO_PEERSEC, buf, &len);
        if (ret == -1) {
            perror("getsockopt");
            return 1;
        }
        printf("%d %s\n", len, buf);
        return 0;
    }

On host:

  $ ./getpeercon
  33 system_u:object_r:unlabeled_t:s0

With qemu-aarch64/bionic without the patch:

  $ ./getpeercon
  getsockopt: Numerical result out of range

With the patch:

  $ ./getpeercon
  33 system_u:object_r:unlabeled_t:s0

Bug: https://bugs.launchpad.net/qemu/+bug/1823790
Reported-by: Matthias Lüscher <lueschem@gmail.com>
Tested-by: Matthias Lüscher <lueschem@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200204211901.1731821-1-laurent@vivier.eu>
2020-02-12 18:56:45 +01:00
Laurent Vivier
6bc024e713 linux-user: fix use of SIGRTMIN
Some RT signals can be in use by glibc,
it's why SIGRTMIN (34) is generally greater than __SIGRTMIN (32).

So SIGRTMIN cannot be mapped to TARGET_SIGRTMIN.

Instead of swapping only SIGRTMIN and SIGRTMAX, map all the
range [TARGET_SIGRTMIN ... TARGET_SIGRTMAX - X] to
      [__SIGRTMIN + X ... SIGRTMAX ]
(SIGRTMIN is __SIGRTMIN + X).

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simson <tsimpson@quicinc.com>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200212125658.644558-5-laurent@vivier.eu>
2020-02-12 18:56:41 +01:00
Laurent Vivier
9fcff3a67f linux-user: fix TARGET_NSIG and _NSIG uses
Valid signal numbers are between 1 (SIGHUP) and SIGRTMAX.

System includes define _NSIG to SIGRTMAX + 1, but
QEMU (like kernel) defines TARGET_NSIG to TARGET_SIGRTMAX.

Fix all the checks involving the signal range.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200212125658.644558-4-laurent@vivier.eu>
2020-02-12 18:56:38 +01:00
Laurent Vivier
365510fb86 linux-user: cleanup signal.c
No functional changes. Prepare the field for future fixes.

Remove memset(.., 0, ...) that is useless on a static array

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200212125658.644558-3-laurent@vivier.eu>
2020-02-12 18:56:32 +01:00
Laurent Vivier
9d660adc32 linux-user: add missing TARGET_SIGRTMIN for hppa
This signal is defined for all other targets and we will need it later

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
[pm: that this was actually an ABI change in the hppa kernel (at kernel
version 3.17, kernel commit 1f25df2eff5b25f52c139d). Before that
SIGRTMIN was 37...
All our other HPPA TARGET_SIG* values are for the updated
ABI following that commit, so using 32 for SIGRTMIN is
the right thing for us.]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200212125658.644558-2-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-12 18:56:22 +01:00
Gerd Hoffmann
8ddcc43592 uas: fix super speed bMaxPacketSize0
For usb2 bMaxPacketSize0 is "n", for usb3 it is "1 << n",
so it must be 9 not 64 ...

rom "Universal Serial Bus 3.1 Specification":

   If the device is operating at Gen X speed, the bMaxPacketSize0
   field shall be set to 09H indicating a 512-byte maximum packet.
   An Enhanced SuperSpeed device shall not support any other maximum
   packet sizes for the default control pipe (endpoint 0) control
   endpoint.

We now announce a 512-byte maximum packet.

Fixes: 89a453d4a5 ("uas-uas: usb3 streams")
Reported-by: Benjamin David Lunt <fys@fysnet.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200117073716.31335-1-kraxel@redhat.com
2020-02-12 17:20:41 +01:00
Gerd Hoffmann
76d0a9362c usb-host: wait for cancel complete
After canceling transfers call into libvirt so it can process the
request, and wait for it to complete.  Also cancel all pending
transfers before exiting qemu.

Buglink: https://bugzilla.redhat.com//show_bug.cgi?id=1749745
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200203114108.23952-1-kraxel@redhat.com
2020-02-12 17:20:31 +01:00
Paolo Bonzini
be02cda3af target/i386: enable monitor and ucode revision with -cpu max
These two features were incorrectly tied to host_cpuid_required rather than
cpu->max_features.  As a result, -cpu max was not enabling either MONITOR
features or ucode revision.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:29:51 +01:00
Paolo Bonzini
6702514814 target/i386: check for availability of MSR_IA32_UCODE_REV as an emulated MSR
Even though MSR_IA32_UCODE_REV has been available long before Linux 5.6,
which added it to the emulated MSR list, a bug caused the microcode
version to revert to 0x100000000 on INIT.  As a result, processors other
than the bootstrap processor would not see the host microcode revision;
some Windows version complain loudly about this and crash with a
fairly explicit MICROCODE REVISION MISMATCH error.

[If running 5.6 prereleases, the kernel fix "KVM: x86: do not reset
 microcode version on INIT or RESET" should also be applied.]

Reported-by: Alex Williamson <alex.williamson@redhat.com>
Message-id: <20200211175516.10716-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:29:40 +01:00
Paolo Bonzini
9028c75c9d target/i386: fix TCG UCODE_REV access
This was a very interesting semantic conflict that caused git to move
the MSR_IA32_UCODE_REV read to helper_wrmsr.  Not a big deal, but
still should be fixed...

Fixes: 4e45aff398 ("target/i386: add a ucode-rev property", 2020-01-24)
Message-id: <20200206171022.9289-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:29:30 +01:00
Paolo Bonzini
4cc600d229 build: move TARGET_GPROF to config-host.mak
TARGET_GPROF is the same for all targets, write it to
config-host.mak instead.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: <20200204161104.21077-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:29:27 +01:00
Paolo Bonzini
fe3dada317 exec: do not define use_icount for user-mode emulation
use_icount is also defined by stubs/cpu-get-icount.c, we do not need
to have a useless definition in exec.c.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: <20200204161036.20889-1-pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-02-12 16:28:01 +01:00
Marc-André Lureau
1b29af2f41 minikconf: accept alnum identifiers
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:23:02 +01:00
Peter Maydell
a284f798f3 Remove support for CLOCK_MONOTONIC not being defined
Some older parts of QEMU's codebase assume that CLOCK_MONOTONIC
might not be defined by the host OS, and have workarounds to
deal with this. However, more recently (notably in commit
50290c002c for qemu-img in mid-2019, but also much
earlier in 2011 in commit 22795174a3 for ui/spice-display.c)
we've written code that assumes CLOCK_MONOTONIC is always
defined. The only host OS anybody's ever noticed this on
is OSX 10.11 and earlier, which we don't support.

So we can assume that all our host OSes have the #define,
and we can remove some now-unnecessary ifdefs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200201172252.6605-1-peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:23:01 +01:00
Luc Michel
e261b36810 seqlock: fix seqlock_write_unlock_impl function
The seqlock write unlock function was incorrectly calling
seqlock_write_begin() instead of seqlock_write_end(), and was releasing
the lock before incrementing the sequence. This could lead to a race
condition and a corrupted sequence number becoming odd even though the
lock is not held.

Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200129144948.2161551-1-luc.michel@greensocs.com>
Fixes: 988fcafc73 ("seqlock: add QemuLockable support", 2018-08-23)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:23:01 +01:00
Pan Nengyuan
4903602eae vl: Don't mismatch g_strsplit()/g_free()
It's a mismatch between g_strsplit and g_free, it will cause a memory leak as follow:

[root@localhost]# ./aarch64-softmmu/qemu-system-aarch64 -accel help
Accelerators supported in QEMU binary:
tcg
kvm
=================================================================
==1207900==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 8 byte(s) in 2 object(s) allocated from:
    #0 0xfffd700231cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb)
    #1 0xfffd6ec57163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163)
    #2 0xfffd6ec724d7 in g_strndup (/lib64/libglib-2.0.so.0+0x724d7)
    #3 0xfffd6ec73d3f in g_strsplit (/lib64/libglib-2.0.so.0+0x73d3f)
    #4 0xaaab66be5077 in main /mnt/sdc/qemu-master/qemu-4.2.0-rc0/vl.c:3517
    #5 0xfffd6e140b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f)
    #6 0xaaab66bf0f53  (./build/aarch64-softmmu/qemu-system-aarch64+0x8a0f53)

Direct leak of 2 byte(s) in 2 object(s) allocated from:
    #0 0xfffd700231cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb)
    #1 0xfffd6ec57163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163)
    #2 0xfffd6ec7243b in g_strdup (/lib64/libglib-2.0.so.0+0x7243b)
    #3 0xfffd6ec73e6f in g_strsplit (/lib64/libglib-2.0.so.0+0x73e6f)
    #4 0xaaab66be5077 in main /mnt/sdc/qemu-master/qemu-4.2.0-rc0/vl.c:3517
    #5 0xfffd6e140b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f)
    #6 0xaaab66bf0f53  (./build/aarch64-softmmu/qemu-system-aarch64+0x8a0f53)

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200110091710.53424-2-pannengyuan@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 16:23:01 +01:00
Peter Maydell
483644c25b ui/cocoa: Drop workarounds for pre-10.12 OSX
Our official OSX support policy covers the last two released versions.
Currently that is 10.14 and 10.15.  We also may work on older versions, but
don't guarantee it.

In commit 50290c002c in mid-2019 we introduced some uses of
CLOCK_MONOTONIC which incidentally broke compilation for pre-10.12 OSX
versions (see LP:1861551). We don't intend to fix that, so we might
as well drop the code in ui/cocoa.m which caters for pre-10.12
versions as well. (For reference, 10.11 fell out of Apple extended
security support in September 2018.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200201170534.22123-1-peter.maydell@linaro.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-02-12 13:27:08 +01:00
Gerd Hoffmann
2811ce368e ui: deprecate legacy -show-cursor option
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2020-02-12 13:25:17 +01:00
Gerd Hoffmann
9b6701290a ui: drop curor_hide global variable.
No users left.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2020-02-12 13:25:17 +01:00