Commit Graph

299 Commits

Author SHA1 Message Date
BALATON Zoltan a4d65b701f vt82c686: Add a method to VIA_ISA to raise ISA interrupts
Other functions in the VT82xx chips need to raise ISA interrupts. Keep
a reference to them in the device state and add via_isa_set_irq() to
allow setting their state.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <778c04dc2c8affac060b8edf9e8d7dab3c3e04eb.1634259980.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-10-18 00:41:36 +02:00
BALATON Zoltan 3a2f166fe0 vt82c686: Move common code to via_isa_realize
The vt82c686b_realize and vt8231_realize methods are almost identical,
factor out the common parts to a via_isa_realize function to avoid
code duplication.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <7cb7a16ff4daf8f48d576246255bea1fd355207c.1634259980.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-10-18 00:41:36 +02:00
Peter Maydell 9388d1701e qbus: Rename qbus_create() to qbus_new()
Rename the "allocate and return" qbus creation function to
qbus_new(), to bring it into line with our _init vs _new convention.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Corey Minyard <cminyard@mvista.com>
Message-id: 20210923121153.23754-6-peter.maydell@linaro.org
2021-09-30 13:44:08 +01:00
Gerd Hoffmann 67cebca328 q35: catch invalid cpu hotplug configuration
Related: https://bugzilla.redhat.com//show_bug.cgi?id=1985924
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210812102341.3316254-1-kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-09-04 09:07:45 -04:00
Philippe Mathieu-Daudé ba4253cef2 hw/isa/vt82c686: Add missing Kconfig dependency (runtime error)
When building the Pegasos2 machine stand-alone we get:

  $ qemu-system-ppc -M pegasos2 -bios pegasos2.rom
  ERROR:qom/object.c:714:object_new_with_type: assertion failed: (type != NULL)
  Bail out! ERROR:qom/object.c:714:object_new_with_type: assertion failed: (type != NULL)

Looking at the backtraces:

  Thread 1 "qemu-system-ppc" received signal SIGABRT, Aborted.
  (gdb) bt
  #0  0x00007ffff53877d5 in raise () at /lib64/libc.so.6
  #1  0x00007ffff5370895 in abort () at /lib64/libc.so.6
  #2  0x00007ffff6dc4b6c in g_assertion_message_expr.cold () at /lib64/libglib-2.0.so.0
  #3  0x00007ffff6e229ff in g_assertion_message_expr () at /lib64/libglib-2.0.so.0
  #4  0x0000555555a0c8f4 in object_new_with_type (type=0x0) at qom/object.c:714
  #5  0x0000555555a0c9d5 in object_new (typename=0x555555c7afe4 "isa-pit") at qom/object.c:747
  #6  0x0000555555a053b8 in qdev_new (name=0x555555c7afe4 "isa-pit") at hw/core/qdev.c:153
  #7  0x00005555557cdd05 in isa_new (name=0x555555c7afe4 "isa-pit") at hw/isa/isa-bus.c:160
  #8  0x00005555557cf518 in i8254_pit_init (bus=0x55555603d140, base=64, isa_irq=0, alt_irq=0x0) at include/hw/timer/i8254.h:54
  #9  0x00005555557d12f9 in vt8231_realize (d=0x5555563d9770, errp=0x7fffffffcc28) at hw/isa/vt82c686.c:704

  (gdb) bt
  #0  0x00007ffff54bd7d5 in raise () at /lib64/libc.so.6
  #1  0x00007ffff54a6895 in abort () at /lib64/libc.so.6
  #2  0x00005555558f7796 in object_new (typename=0x555555ad4889 "isa-parallel") at qom/object.c:749
  #3  object_new (typename=type0x555555ad4889 "isa-parallel") at qom/object.c:743
  #4  0x00005555558f0d46 in qdev_new (name=0x555555ad4889 "isa-parallel") at hw/core/qdev.c:153
  #5  0x000055555576b669 in isa_new (name=0x555555ad4889 "isa-parallel") at hw/isa/isa-bus.c:160
  #6  0x000055555576bbe8 in isa_superio_realize (dev=0x555555f15910, errp=<optimized out>) at hw/isa/isa-superio.c:54
  #7  0x000055555576d5ed in via_superio_realize (d=0x555555f15910, errp=0x7fffffffcb30) at hw/isa/vt82c686.c:292
  #8  0x00005555558f12c1 in device_set_realized (obj=<optimized out>, ...) at hw/core/qdev.c:761
  #9  0x00005555558f5066 in property_set_bool (obj=0x555555f15910, ..., errp=0x7fffffffcbb0) at qom/object.c:2262
  #10 0x00005555558f7f38 in object_property_set (obj=0x555555f15910, name=0x555555b1b1e3 "realized", ...) at qom/object.c:1407
  #11 0x00005555558fb2d0 in object_property_set_qobject (obj=0x555555f15910, name=0x555555b1b1e3 "realized", ...) at qom/qom-qobject.c:28
  #12 0x00005555558f8525 in object_property_set_bool (obj=0x555555f15910, name=0x555555b1b1e3 "realized", ...) at qom/object.c:1477
  #13 0x00005555558f18ee in qdev_realize (dev=0x555555f15910, bus=0x55555602a610, errp=<optimized out>) at hw/core/qdev.c:389
  #14 0x00005555558f197f in qdev_realize_and_unref (dev=0x555555f15910, bus=0x55555602a610, errp=<optimized out>) at hw/core/qdev.c:396
  #15 0x000055555576b709 in isa_realize_and_unref (errp=<optimized out>, bus=0x55555602a610, dev=0x555555f15910) at hw/isa/isa-bus.c:179
  #16 isa_create_simple (bus=0x55555602a610, name=0x555555adc33b "vt8231-superio") at hw/isa/isa-bus.c:173
  #17 0x000055555576d9b7 in vt8231_realize (d=0x555556186a50, errp=<optimized out>) at hw/isa/vt82c686.c:706

The "isa-pit" type (TYPE_I8254) and "isa-parallel" are missing. Add them.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210515173716.358295-12-philmd@redhat.com>
[PMD: Added "isa-parallel" later]
2021-07-20 20:10:20 +02:00
Philippe Mathieu-Daudé 16c67cae84 hw/isa/vt82c686: Add missing Kconfig dependencies (build error)
The VT82C686 device model misses various dependencies:

  /usr/bin/ld: libcommon.fa.p/hw_isa_vt82c686.c.o: in function `vt82c686b_realize':
  hw/isa/vt82c686.c:622: undefined reference to `i8259_init'
  /usr/bin/ld: hw/isa/vt82c686.c:624: undefined reference to `i8257_dma_init'
  /usr/bin/ld: hw/isa/vt82c686.c:627: undefined reference to `mc146818_rtc_init'

Add them.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210515173716.358295-11-philmd@redhat.com>
2021-07-20 20:10:20 +02:00
Thomas Huth 9405d87be2 hw/ide: Fix crash when plugging a piix3-ide device into the x-remote machine
QEMU currently crashes when the user tries to do something like:

 qemu-system-x86_64 -M x-remote -device piix3-ide

This happens because the "isabus" variable is not initialized with
the x-remote machine yet. Add a proper check for this condition
and propagate the error to the caller, so we can fail there gracefully.

Message-Id: <20210416125256.2039734-1-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-07-19 10:08:45 +02:00
Philippe Mathieu-Daudé 72ea60e411 hw/block/fdc: Extract ISA floppy controllers to fdc-isa.c
Some machines use floppy controllers via the SysBus interface,
and don't need to pull in all the ISA code.
Extract the ISA specific code to a new unit: fdc-isa.c, and
add a new Kconfig symbol: "FDC_ISA".
This allows us to remove the FIXME from commit dd0ff8191a
("isa: express SuperIO dependencies with Kconfig").

Reviewed-by: John Snow <jsnow@redhat.com>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210614193220.2007159-5-philmd@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-25 08:53:28 -04:00
Philippe Mathieu-Daudé 5886844e0d hw/isa/Kconfig: Fix missing dependency ISA_SUPERIO -> FDC
isa_superio_realize() calls isa_fdc_init_drives(), which is defined
in hw/block/fdc.c, so ISA_SUPERIO needs to select the FDC symbol.

Reported-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210614193220.2007159-2-philmd@redhat.com
Fixes: c0ff379514 ("Introduce a CONFIG_ISA_SUPERIO switch for isa-superio.c")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-25 08:53:28 -04:00
Stefano Garzarella d0fb9657a3 docs: fix references to docs/devel/tracing.rst
Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.

We still have several references to the old file, so let's fix them
with the following command:

  sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 06:51:09 +02:00
Peter Maydell d90f154867 ppc patch queue 2021-05-04
Here's the first ppc pull request for qemu-6.1.  It has a wide variety
 of stuff accumulated during the 6.0 freeze.  Highlights are:
 
  * Multi-phase reset cleanups for PAPR
  * Preliminary cleanups towards allowing !CONFIG_TCG for the ppc target
  * Cleanup of AIL logic and extension to POWER10
  * Further improvements to handling of hot unplug failures on PAPR
  * Allow much larger numbers of CPU on pseries
  * Support for the H_SCM_HEALTH hypercall
  * Add support for the Pegasos II board
  * Substantial cleanup to hflag handling
  * Assorted minor fixes and cleanups
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210504' into staging

ppc patch queue 2021-05-04

Here's the first ppc pull request for qemu-6.1.  It has a wide variety
of stuff accumulated during the 6.0 freeze.  Highlights are:

 * Multi-phase reset cleanups for PAPR
 * Preliminary cleanups towards allowing !CONFIG_TCG for the ppc target
 * Cleanup of AIL logic and extension to POWER10
 * Further improvements to handling of hot unplug failures on PAPR
 * Allow much larger numbers of CPU on pseries
 * Support for the H_SCM_HEALTH hypercall
 * Add support for the Pegasos II board
 * Substantial cleanup to hflag handling
 * Assorted minor fixes and cleanups

# gpg: Signature made Tue 04 May 2021 06:52:39 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.1-20210504: (46 commits)
  hw/ppc/pnv_psi: Use device_cold_reset() instead of device_legacy_reset()
  hw/ppc/spapr_vio: Reset TCE table object with device_cold_reset()
  hw/intc/spapr_xive: Use device_cold_reset() instead of device_legacy_reset()
  target/ppc: removed VSCR from SPR registration
  target/ppc: Reduce the size of ppc_spr_t
  target/ppc: Clean up _spr_register et al
  target/ppc: Add POWER10 exception model
  target/ppc: rework AIL logic in interrupt delivery
  target/ppc: move opcode table logic to translate.c
  target/ppc: code motion from translate_init.c.inc to gdbstub.c
  spapr_drc.c: handle hotunplug errors in drc_unisolate_logical()
  spapr.h: increase FDT_MAX_SIZE
  spapr.c: do not use MachineClass::max_cpus to limit CPUs
  ppc: Rename current DAWR macros and variables
  target/ppc: POWER10 supports scv
  target/ppc: Fix POWER9 radix guest HV interrupt AIL behaviour
  docs/system: ppc: Add documentation for ppce500 machine
  roms/u-boot: Bump ppce500 u-boot to v2021.04 to fix broken pci support
  roms/Makefile: Update ppce500 u-boot build directory name
  ppc/spapr: Add support for implement support for H_SCM_HEALTH
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-05 20:29:14 +01:00
Peter Maydell d45a5270d0 Trivial patches pull request 20210503
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging

Trivial patches pull request 20210503

# gpg: Signature made Mon 03 May 2021 09:34:56 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-6.1-pull-request: (23 commits)
  hw/rx/rx-gdbsim: Do not accept invalid memory size
  docs: More precisely describe memory-backend-*::id's user
  scripts: fix generation update-binfmts templates
  docs/system: Document the removal of "compat" property for POWER CPUs
  mc146818rtc: put it into the 'misc' category
  Do not include exec/address-spaces.h if it's not really necessary
  Do not include cpu.h if it's not really necessary
  Do not include hw/boards.h if it's not really necessary
  Do not include sysemu/sysemu.h if it's not really necessary
  hw: Do not include qemu/log.h if it is not necessary
  hw: Do not include hw/irq.h if it is not necessary
  hw: Do not include hw/sysbus.h if it is not necessary
  hw: Remove superfluous includes of hw/hw.h
  ui: Fix memory leak in qemu_xkeymap_mapping_table()
  hw/usb: Constify VMStateDescription
  hw/display/qxl: Constify VMStateDescription
  hw/arm: Constify VMStateDescription
  vmstate: Constify some VMStateDescriptions
  Fix typo in CFI build documentation
  hw/pcmcia: Do not register PCMCIA type if not required
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-05 13:52:00 +01:00
BALATON Zoltan f9f0c9e2fa vt82c686: Add emulation of VT8231 south bridge
Add emulation of VT8231 south bridge ISA part based on the similar
VT82C686B but implemented in a separate subclass that holds the
differences while reusing parts that can be shared.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <10abc9f89854e7c980b9731c33d25a2e307e9c4f.1616680239.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-04 11:41:25 +10:00
BALATON Zoltan 2e84e107a0 vt82c686: Introduce abstract TYPE_VIA_ISA and base vt82c686b_isa on it
To allow reusing ISA bridge emulation for vt8231_isa move the device
state of vt82c686b_isa emulation in an abstract via_isa class. This
change breaks migration back compatibility but this is not an issue
for Fuloong2E machine which is not versioned or migration supported.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <0cb8fc69c7aaa555589181931b881335fecd2ef3.1616680239.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-04 11:41:25 +10:00
BALATON Zoltan ab74864fed vt82c686: Add VT8231_SUPERIO based on VIA_SUPERIO
The VT8231 south bridge is very similar to VT82C686B but there are
some differences in register addresses and functionality, e.g. the
VT8231 only has one serial port. This commit adds VT8231_SUPERIO
subclass based on the abstract VIA_SUPERIO class to emulate the
superio part of VT8231.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <8108809321f9ecf3fb1aea22ddaeccc7c3a57c8e.1616680239.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-04 11:41:25 +10:00
BALATON Zoltan f028c2ded2 vt82c686: QOM-ify superio related functionality
Collect superio functionality and its controlling config registers
handling in an abstract VIA_SUPERIO class that is a subclass of
ISA_SUPERIO and put vt82c686b specific parts in a subclass of this
abstract class.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <fbcc8cc8baf83f327612a1ef1c14bcbcdb0e7edb.1616680239.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-04 11:41:25 +10:00
Thomas Huth ee86213aa3 Do not include exec/address-spaces.h if it's not really necessary
Stop including exec/address-spaces.h in files that don't need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-5-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:51 +02:00
Thomas Huth 4c386f8064 Do not include sysemu/sysemu.h if it's not really necessary
Stop including sysemu/sysemu.h in files that don't need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-2-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:50 +02:00
Thomas Huth f6527eadeb hw: Do not include hw/sysbus.h if it is not necessary
Many files include hw/sysbus.h without needing it. Remove the superfluous
include statements.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210327082804.2259480-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:50 +02:00
Philippe Mathieu-Daudé bcad139192 hw/isa/piix4: Use qdev_get_gpio_in_named() to get ISA IRQ
Since commit 078778c5a5 ("piix4: Add an i8259 Interrupt Controller")
the TYPE_PIIX4_PCI_DEVICE exposes the ISA input IRQs as "isa" alias.

Use this alias to get IRQ for the power management PCI function.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210324182902.692419-1-f4bug@amsat.org>
2021-05-02 16:49:34 +02:00
Philippe Mathieu-Daudé 62271205bc hw/isa/piix4: Migrate Reset Control Register
When adding the Reset register in commit 5790b757cf we
forgot to migrate it.

While it is possible a VM using the PIIX4 is migrated just
after requesting a system shutdown, it is very unlikely.
However when restoring a migrated VM, we might have the
RCR bit #4 set on the stack and when the VM resume it
directly shutdowns.

Add a post_load() migration handler and set the default
RCR value to 0 for earlier versions, assuming the VM was
not going to shutdown before migration.

Fixes: 5790b757cf ("piix4: Add the Reset Control Register")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20210324200334.729899-1-f4bug@amsat.org>
2021-04-13 12:06:59 +02:00
Philippe Mathieu-Daudé 50fab4cc67 hw/isa/Kconfig: Add missing dependency VIA VT82C686 -> APM
TYPE_VIA_PM calls apm_init() in via_pm_realize(), so
requires APM to be selected.

Reported-by: BALATON Zoltan <balaton@eik.bme.hu>
Fixes: dd0ff8191a ("isa: express SuperIO dependencies with Kconfig")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210302080531.913802-1-f4bug@amsat.org>
2021-04-13 12:06:46 +02:00
Isaku Yamahata 44421c60c9 isa/v582c686: Reinitialize ACPI PM device on reset
Commit 6be8cf56bc made sure that SCI is enabled in PM1.CNT
on reset in acpi_only mode by modifying acpi_pm1_cnt_reset() and
that worked for q35 as expected.

This patch adds reset ACPI PM related registers on vt82c686 reset time
and de-assert sci.
via_pm_realize() initializes acpi pm tmr, evt, cnt and gpe.
Reset them on device reset.

Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <0a3fe998525552860919a690ce83dab8f663ab99.1616532563.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-04-01 12:19:52 -04:00
Isaku Yamahata 0fae92a313 vt82c686.c: don't raise SCI when PCI_INTERRUPT_PIN isn't setup
Without this patch, the following patch will triger clan runtime
sanitizer warnings as follows. This patch proactively works around it.
I leave a correct fix to v582c686.c maintainerfix as I'm not sure
about fuloong2e device model.

> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
> QTEST_QEMU_IMG=./qemu-img
> G_TEST_DBUS_DAEMON=/home/petmay01/linaro/qemu-for-merges/tests/dbus-vmstate-daemon.sh
> QTEST_QEMU_BINARY=./qemu-system-mips64el tests/qtest/qom-test --tap -k
> PASS 1 qtest-mips64el/qom-test /mips64el/qom/loongson3-virt
> PASS 2 qtest-mips64el/qom-test /mips64el/qom/none
> PASS 3 qtest-mips64el/qom-test /mips64el/qom/magnum
> PASS 4 qtest-mips64el/qom-test /mips64el/qom/mipssim
> PASS 5 qtest-mips64el/qom-test /mips64el/qom/malta
> ../../hw/pci/pci.c:252:30: runtime error: shift exponent -1 is negative
> PASS 6 qtest-mips64el/qom-test /mips64el/qom/fuloong2e
> PASS 7 qtest-mips64el/qom-test /mips64el/qom/boston
> PASS 8 qtest-mips64el/qom-test /mips64el/qom/pica61
>
> and similarly for eg
>
> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
> QTEST_QEMU_IMG=./qemu-img
> G_TEST_DBUS_DAEMON=/home/petmay01/linaro/qemu-for-merges/tests/dbus-vmstate-daemon.sh
> QTEST_QEMU_BINARY=./qemu-system-mips64el tests/qtest/endianness-test
> --tap -k
> ../../hw/pci/pci.c:252:30: runtime error: shift exponent -1 is negative
> PASS 1 qtest-mips64el/endianness-test /mips64el/endianness/fuloong2e
> ../../hw/pci/pci.c:252:30: runtime error: shift exponent -1 is negative
> PASS 2 qtest-mips64el/endianness-test /mips64el/endianness/split/fuloong2e
> ../../hw/pci/pci.c:252:30: runtime error: shift exponent -1 is negative
> PASS 3 qtest-mips64el/endianness-test /mips64el/endianness/combine/fuloong2e

Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <62a5fc69e453fb848bfd4794bae1852a75af73c5.1616532563.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-04-01 12:19:52 -04:00
Philippe Mathieu-Daudé f4c46916dc hw/southbridge: Add missing Kconfig dependency VT82C686 on USB_UHCI
The VT82C686 south bridge provides a USB UHCI bus via a PCI function.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20210309190802.830969-2-f4bug@amsat.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-15 17:00:59 +01:00
Isaku Yamahata 6be8cf56bc acpi/core: always set SCI_EN when SMM isn't supported
If SMM is not supported, ACPI fixed hardware doesn't support
legacy-mode. ACPI-only platform. Where SCI_EN in PM1_CNT register is
always set.
The bit tells OS legacy mode(SCI_EN cleared) or ACPI mode(SCI_EN set).

With the next patch (setting fadt.smi_cmd = 0 when smm isn't enabled),
guest Linux tries to switch to ACPI mode, finds smi_cmd = 0, and then
fails to initialize acpi subsystem. This patch proactively fixes it.

This patch changes guest ABI. To keep compatibility, use
"smm-compat" introduced by earlier patch. If the property is true,
disable new behavior.

ACPI spec 4.8.10.1 PM1 Event Grouping
PM1 Eanble Registers
> For ACPI-only platforms (where SCI_EN is always set)

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <500f62081626997e46f96377393d3662211763a8.1613615732.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-02-23 10:58:42 -05:00
Isaku Yamahata 24cd04fce0 ich9, piix4: add property, smm-compat, to keep compatibility of SMM
The following patch will introduce incompatible behavior of SMM.
Introduce a property to keep the old behavior for compatibility.
To enable smm compat, use "-global ICH9-LPC.smm-compat=on" or
"-global PIIX4_PM.smm-compat=on"

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <47254ae0b8c6cc6945422978b6b2af2d213ef891.1613615732.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2021-02-23 10:58:42 -05:00
BALATON Zoltan cc2b455011 vt82c686: Fix superio_cfg_{read,write}() functions
These functions are memory region callbacks so we have to check
against relative address not the mapped address.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <15b2968fd300a12d06b42368d084f6f80d3c3be5.1610223397.git.balaton@eik.bme.hu>
[PMD: Split original patch in 5, this is part 5/5]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 2c4c556e06 vt82c686: Log superio_cfg unimplemented accesses
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <15b2968fd300a12d06b42368d084f6f80d3c3be5.1610223397.git.balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split original patch in 5, this is part 4/5]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan b7741b7742 vt82c686: Simplify by returning earlier
By returning earlier we can remove the 'can_write' boolean variable.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <15b2968fd300a12d06b42368d084f6f80d3c3be5.1610223397.git.balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split original patch in 5, this is part 3/5]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 2b98dca957 vt82c686: Reduce indentation by returning early
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <15b2968fd300a12d06b42368d084f6f80d3c3be5.1610223397.git.balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split patch original in 5, this is part 2/5]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan c953bf7118 vt82c686: Remove index field of SuperIOConfig
Remove the separate index value from SuperIOConfig and store
the index at reg 0 which is reserved and returns 0 on read.
This simplifies the object state.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <15b2968fd300a12d06b42368d084f6f80d3c3be5.1610223397.git.balaton@eik.bme.hu>
[PMD: Split original patch in 5, this is part 1/5]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 3dc31cb849 vt82c686: Move creation of ISA devices to the ISA bridge
Currently the ISA devices that are part of the VIA south bridge,
superio chip are wired up by board code. Move creation of these ISA
devices to the VIA ISA bridge model so that board code does not need
to access ISA bus. This also allows vt82c686b-superio to be made
internal to vt82c686 which allows implementing its configuration via
registers in subseqent commits.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <bf9400cc8e4ddd3129aa5678de4d3cf38384805f.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 9859ad1c4b vt82c686: Simplify vt82c686b_realize()
Remove unneeded variables and setting value to 0 on zero initialised
data and replace check for error with error_fatal. Rationalise loop
that sets PCI config header fields read only.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <e4caf35ca10a68f5c74ae3f93fa0bcfa9457beea.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan e1a69736e5 vt82c686: Make vt82c686b-pm an abstract base class and add vt8231-pm based on it
The vt82c686b-pm model can be shared between VT82C686B and VT8231. The
only difference between the two is the device id in what we emulate so
make an abstract via-pm model by renaming appropriately and add types
for vt82c686b-pm and vt8231-pm based on it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <34969fc7be984fa070479bfb9f748993a0aef31b.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 084bf4b41d vt82c686: Set user_creatable=false for VT82C686B_PM
This device is part of the multifunction VIA superio/south bridge chip
so not useful in itself.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <d0a806fed5e8055aee4fcf5b2f4790e6dd0f9dc6.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 3ab1eea6bc vt82c686: Fix up power management io base and config
Similar to the SMBus io registers there is a power management io range
that is set via similar base address reg and enable bit. Some handling
of this was already there but with several problems: using the wrong
registers and bits, wrong size range, not acually updating mapping and
handling reset correctly, nor emulating any of the actual io
registers. Some of these errors are fixed up here.

After this patch we use the correct base address register, enable bit
and region size and allow guests to map/unmap this region, but we
still don't emulate any of the registers in this range.

PMD notes regarding the Configuration Space Power Management Registers:

  - 0x40 General Configuration 0

  - 0x41 General Configuration 1

    . Bit 7: I/O Enable for ACPI I/O Base

  - 0x48 Power Mgmt I/O Base

    . Bit 0: Always set
    . Bits 7-15: Power Management I/O Register Base Address
      (this explains the change 0xffc0 -> 0xff80)

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <cff9b2442d3e2e1cfbdcbc2dfbb559031b4b1cc1.1610223397.git.balaton@eik.bme.hu>
[PMD: Split original patch, this is part 4/4, added notes]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 9af8e529b9 vt82c686: Correctly reset all registers to default values on reset
Reset the registers in the DeviceReset() handler which is called
on each device reset, not in DeviceRealize() which is called once.

Bit 0 of 'Power Mgmt I/O Base' register (offset 0x48) is always set.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <cff9b2442d3e2e1cfbdcbc2dfbb559031b4b1cc1.1610223397.git.balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split original patch, this is part 3/4 (move to reset), document]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 40a0bba1e3 vt82c686: Correct vt82c686-pm I/O size
Section "Offset 4B-48 – Power Management I/O Base" describes:

 Port Address for the base of the 128-byte Power
 Management I/O Register block.

Correct the vt82c686-pm I/O region size.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <cff9b2442d3e2e1cfbdcbc2dfbb559031b4b1cc1.1610223397.git.balaton@eik.bme.hu>
[PMD: Split original patch, this is part 2/4, reduced size to 128B]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 35e360ed67 vt82c686: Make vt82c686-pm an I/O tracing region
Previously just an empty RAM region was mapped on realize, now we add
an empty io range logging access instead. I think the pm timer should
be hooked up here but not sure guests need it. PMON on fuloong2e sets
a base address but does not seem to enable region; the pegasos2
firmware pokes some regs but continues anyway so don't know if
anything would make use of these facilities. Therefore this is just a
clean up of previous state for now and not intending to fully
implement missing functionality which could be done later if some
guests need it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <cff9b2442d3e2e1cfbdcbc2dfbb559031b4b1cc1.1610223397.git.balaton@eik.bme.hu>
[PMD: Split original patch, this is part 1/4
      (make 'vt82c686-pm' an I/O tracing region)]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 911629e6d3 vt82c686: Fix SMBus IO base and configuration registers
The base address of the SMBus io ports and its enabled status is set
by registers in the PCI config space but this was not correctly
emulated. Instead the SMBus registers were mapped on realize to the
base address set by a property to the address expected by fuloong2e
firmware.

Fix the base and config register handling to more closely model
hardware which allows to remove the property and allows the guest to
control this mapping. Do all this in reset instead of realize so it's
correctly updated on reset.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <f2ca2ad5f08ba8cee07afd9d67b4e75cda21db09.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 94349bffda vt82c686: Reorganise code
Move lines around so that object definitions become consecutive and
not scattered around. This brings functions belonging to an object
together so it's clearer what is defined and what parts belong to
which object.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <9f942989dba46fc1c23b881f6cb135948f818c2f.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 6be6e4bc76 vt82c686: Move superio memory region to SuperIOConfig struct
The superio memory region holds the io space index/data registers used
to access the superio config registers that are implemented in struct
SuperIOConfig. To keep these related things together move the memory
region to SuperIOConfig and rename it accordingly.
Also remove the unused "data" member of SuperIOConfig which is not
needed as we store actual data values in the regs array.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <dc3c4e7632716ca73c10506bd02ee93b39c28705.1610223397.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-02-21 19:42:34 +01:00
BALATON Zoltan 7886a674f1 vt82c686: Rename superio config related parts
Use less confusing naming for superio config register handling related
parts that makes it clearer what belongs to this part.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <4d30a2b4b771b2ad651509885daae79d7c4fe7a8.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan 007b3103a3 vt82c686: Use shorter name for local variable holding object state
Rename local variable holding object state for readability and
consistency.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <69655b23df2ecebbf0aff29726f4b4746f5b74de.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan 9b0fbae2cb vt82c686: Remove unneeded includes and defines
These are not used or not needed.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <35cefcc3518a3395a796bb6ad6fbc308adc65266.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan ff413a1f7f vt82c686: Convert debug printf to trace points
Drop DPRINTF and use trace functions instead. Two debug messages about
unimplemented registers could be converted to qemu_log_mask() but in
reality all registers are currently unimplemented (we just store and
return values of writable regs but do nothing with them). As we
already trace register access there's no need for additional debug
messages so these are just removed and a comment is added as a reminder.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <785854022a37035f66d89e70cb6ca1bc0e0d0163.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan dc66439542 vt82c686: Remove legacy vt82c686b_pm_init() function
Remove legacy vt82c686b_pm_init() function and also rename
VT82C686B_PM type name to match other device names.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <a70982b32f11222d335385b90749abb6cf2e2cce.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan 0bfda9a225 vt82c686: Remove legacy vt82c686b_isa_init() function
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <58d7585f979f154b1f1e69fdc026eed6dbc7996f.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00
BALATON Zoltan 657fae258f vt82c686: Split off via-[am]c97 into separate file in hw/audio
The via-[am]c97 code is supposed to implement the audio part of VIA
south bridge chips so it is better placed under hw/audio/. Split it
off into a separate file.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <af083634e3b9efe67e6c4247cf0185d3fa7b1810.1609584216.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-01-04 23:24:44 +01:00