This implements a PCI device for ACPI ERST. This implements the
non-NVRAM "mode" of operation for ERST as it is supported by
Linux and Windows.
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <1643402289-22216-6-git-send-email-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit [2] broke original '\0' padding of OEM ID and OEM Table ID
fields in headers of ACPI tables. While it doesn't have impact on
default values since QEMU uses 6 and 8 characters long values
respectively, it broke usecase where IDs are provided on QEMU CLI.
It shouldn't affect guest (but may cause licensing verification
issues in guest OS).
One of the broken usecases is user supplied SLIC table with IDs
shorter than max possible length, where [2] mangles IDs with extra
spaces in RSDT and FADT tables whereas guest OS expects those to
mirror the respective values of the used SLIC table.
Fix it by replacing whitespace padding with '\0' padding in
accordance with [1] and expectations of guest OS
1) ACPI spec, v2.0b
17.2 AML Grammar Definition
...
//OEM ID of up to 6 characters. If the OEM ID is
//shorter than 6 characters, it can be terminated
//with a NULL character.
2)
Fixes: 602b458201 ("acpi: Permit OEM ID and OEM table ID fields to be changed")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/707
Reported-by: Dmitry V. Orekhov <dima.orekhov@gmail.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-stable@nongnu.org
Message-Id: <20220112130332.1648664-4-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Tested-by: Dmitry V. Orekhov dima.orekhov@gmail.com
We already have a CONFIG_ISAPC switch - but we're not using it yet.
Add some "#ifdefs" to make it possible to disable this machine now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220107160713.235918-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patchset fixes some important bugs in the hppa artist graphics driver:
- Fix artist graphics for HP-UX and Linux
- Mouse cursor fixes for HP-UX
- Fix draw_line() function on artist graphic
and it adds new qemu features for hppa:
- Allow up to 16 emulated CPUs (instead of 8)
- Add support for an emulated TOC/NMI button
A new Seabios-hppa firmware is included as well:
- Update SeaBIOS-hppa to VERSION 3
- New opt/hostid fw_cfg option to change hostid
- Add opt/console fw_cfg option to select default console
- Added 16x32 font to STI firmware
Signed-off-by: Helge Deller <deller@gmx.de>
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Merge remote-tracking branch 'remotes/hdeller/tags/hppa-updates-pull-request' into staging
Fixes and updates for hppa target
This patchset fixes some important bugs in the hppa artist graphics driver:
- Fix artist graphics for HP-UX and Linux
- Mouse cursor fixes for HP-UX
- Fix draw_line() function on artist graphic
and it adds new qemu features for hppa:
- Allow up to 16 emulated CPUs (instead of 8)
- Add support for an emulated TOC/NMI button
A new Seabios-hppa firmware is included as well:
- Update SeaBIOS-hppa to VERSION 3
- New opt/hostid fw_cfg option to change hostid
- Add opt/console fw_cfg option to select default console
- Added 16x32 font to STI firmware
Signed-off-by: Helge Deller <deller@gmx.de>
# gpg: Signature made Wed 02 Feb 2022 18:08:34 GMT
# gpg: using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg: aka "Helge Deller <deller@kernel.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 4544 8228 2CD9 10DB EF3D 25F8 3E5F 3D04 A7A2 4603
# Subkey fingerprint: BCE9 123E 1AD2 9F07 C049 BBDE F712 B510 A23A 0F5F
* remotes/hdeller/tags/hppa-updates-pull-request:
hw/display/artist: Fix draw_line() artefacts
hw/display/artist: Mouse cursor fixes for HP-UX
hw/display/artist: rewrite vram access mode handling
hppa: Add support for an emulated TOC/NMI button.
hw/hppa: Allow up to 16 emulated CPUs
seabios-hppa: Update SeaBIOS-hppa to VERSION 3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The draw_line() function left artefacts on the screen because it was using the
x/y variables which were incremented in the loop before. Fix it by using the
unmodified x1/x2 variables instead.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: qemu-stable@nongnu.org
Signed-off-by: Helge Deller <deller@gmx.de>
This patch fix the behaviour and positioning of the X11 mouse cursor in HP-UX.
The current code missed to subtract the offset of the CURSOR_CTRL register from
the current mouse cursor position. The HP-UX graphics driver stores in this
register the offset of the mouse graphics compared to the current cursor
position. Without this adjustment the mouse behaves strange at the screen
borders.
Additionally, depending on the HP-UX version, the mouse cursor position
in the cursor_pos register reports different values. To accommodate this
track the current min and max reported values and auto-adjust at runtime.
With this fix the mouse now behaves as expected on HP-UX 10 and 11.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: qemu-stable@nongnu.org
Signed-off-by: Helge Deller <deller@gmx.de>
When writing this code it was assumed that register 0x118000 is the
buffer access mode for color map accesses. It turned out that this
is wrong. Instead register 0x118000 sets both src and dst buffer
access mode at the same time.
This required a larger rewrite of the code. The good thing is that
both the linear framebuffer and the register based vram access can
now be combined into one function.
This makes the linux 'stifb' framebuffer work, and both HP-UX 10.20
and HP-UX 11.11 are still working.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: qemu-stable@nongnu.org
Signed-off-by: Helge Deller <deller@gmx.de>
Almost all PA-RISC machines have either a button that is labeled with 'TOC' or
a BMC/GSP function to trigger a TOC. TOC is a non-maskable interrupt that is
sent to the processor. This can be used for diagnostic purposes like obtaining
a stack trace/register dump or to enter KDB/KGDB in Linux.
This patch adds support for such an emulated TOC button.
It wires up the qemu monitor "nmi" command to trigger a TOC. For that it
provides the hppa_nmi function which is assigned to the nmi_monitor_handler
function pointer. When called it raises the EXCP_TOC hardware interrupt in the
hppa_cpu_do_interrupt() function. The interrupt function then calls the
architecturally defined TOC function in SeaBIOS-hppa firmware (at fixed address
0xf0000000).
According to the PA-RISC PDC specification, the SeaBIOS firmware then writes
the CPU registers into PIM (processor internal memmory) for later analysis. In
order to write all registers it needs to know the contents of the CPU "shadow
registers" and the IASQ- and IAOQ-back values. The IAOQ/IASQ values are
provided by qemu in shadow registers when entering the SeaBIOS TOC function.
This patch adds a new aritificial opcode "getshadowregs" (0xfffdead2) which
restores the original values of the shadow registers. With this opcode SeaBIOS
can store those registers as well into PIM before calling an OS-provided TOC
handler.
To trigger a TOC, switch to the qemu monitor with Ctrl-A C, and type in the
command "nmi". After the TOC started the OS-debugger, exit the qemu monitor
with Ctrl-A C.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This brings the hppa_hardware.h file in sync with the copy in the
SeaBIOS-hppa sources.
In order to support up to 16 CPUs, it's required to move the HPA for
MEMORY_HPA out of the address space of the new 16th CPU.
The new address of 0xfffff000 worked well for Linux and HP-UX, while
other addresses close to the former 0xfffbf000 area are used by the
architecture for local and global broadcasts.
The PIM_STORAGE_SIZE constant is used in SeaBIOS sources and
is relevant for the TOC/NMI feature.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Hi
This time I have disabled vmstate canary patches form Dave Gilbert.
Let's see if it works.
Later, Juan.
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Merge remote-tracking branch 'remotes/quintela-gitlab/tags/migration-20220128-pull-request' into staging
Migration Pull request (Take 2)
Hi
This time I have disabled vmstate canary patches form Dave Gilbert.
Let's see if it works.
Later, Juan.
# gpg: Signature made Fri 28 Jan 2022 18:30:25 GMT
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* remotes/quintela-gitlab/tags/migration-20220128-pull-request: (36 commits)
migration: Move temp page setup and cleanup into separate functions
migration: Simplify unqueue_page()
migration: Add postcopy_has_request()
migration: Enable UFFD_FEATURE_THREAD_ID even without blocktime feat
migration: No off-by-one for pss->page update in host page size
migration: Tally pre-copy, downtime and post-copy bytes independently
migration: Introduce ram_transferred_add()
migration: Don't return for postcopy_send_discard_bm_ram()
migration: Drop return code for disgard ram process
migration: Do chunk page in postcopy_each_ram_send_discard()
migration: Drop postcopy_chunk_hostpages()
migration: Don't return for postcopy_chunk_hostpages()
migration: Drop dead code of ram_debug_dump_bitmap()
migration/ram: clean up unused comment.
migration: Report the error returned when save_live_iterate fails
migration/migration.c: Remove the MIGRATION_STATUS_ACTIVE when migration finished
migration/migration.c: Avoid COLO boot in postcopy migration
migration/migration.c: Add missed default error handler for migration state
Remove unnecessary minimum_version_id_old fields
multifd: Rename pages_used to normal_pages
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Update copyright dates to 2022
* hw/armv7m: Fix broken VMStateDescription
* hw/char/exynos4210_uart: Fix crash on trying to load VM state
* rtc: Move RTC function prototypes to their own header
* xlnx-versal-virt: Support PMC SLCR
* xlnx-versal-virt: Support OSPI flash memory controller
* scripts: Explain the difference between linux-headers and standard-headers
* target/arm: Log CPU index in 'Taking exception' log
* arm_gicv3_its: Various bugfixes and cleanups
* arm_gicv3_its: Implement the missing MOVI and MOVALL commands
* ast2600: Fix address mapping of second SPI controller
* target/arm: Use correct entrypoint for SVC taken from Hyp to Hyp
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20220128' into staging
target-arm queue:
* Update copyright dates to 2022
* hw/armv7m: Fix broken VMStateDescription
* hw/char/exynos4210_uart: Fix crash on trying to load VM state
* rtc: Move RTC function prototypes to their own header
* xlnx-versal-virt: Support PMC SLCR
* xlnx-versal-virt: Support OSPI flash memory controller
* scripts: Explain the difference between linux-headers and standard-headers
* target/arm: Log CPU index in 'Taking exception' log
* arm_gicv3_its: Various bugfixes and cleanups
* arm_gicv3_its: Implement the missing MOVI and MOVALL commands
* ast2600: Fix address mapping of second SPI controller
* target/arm: Use correct entrypoint for SVC taken from Hyp to Hyp
# gpg: Signature made Fri 28 Jan 2022 15:29:36 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20220128: (32 commits)
target/arm: Use correct entrypoint for SVC taken from Hyp to Hyp
hw/arm: ast2600: Fix address mapping of second SPI controller
hw/intc/arm_gicv3_its: Implement MOVI
hw/intc/arm_gicv3_its: Implement MOVALL
hw/intc/arm_gicv3_its: Check table bounds against correct limit
hw/intc/arm_gicv3_its: Make GITS_BASER<n> RAZ/WI for unimplemented registers
hw/intc/arm_gicv3_its: Provide read accessor for translation_ops
hw/intc/arm_gicv3: Set GICR_CTLR.CES if LPIs are supported
hw/intc/arm_gicv3_redist: Remove unnecessary zero checks
hw/intc/arm_gicv3_its: Sort ITS command list into numeric order
hw/intc/arm_gicv3: Honour GICD_CTLR.EnableGrp1NS for LPIs
hw/intc/arm_gicv3_its: Don't clear GITS_CWRITER on writes to GITS_CBASER
hw/intc/arm_gicv3_its: Don't clear GITS_CREADR when GITS_CTLR.ENABLED is set
hw/intc/arm_gicv3: Initialise dma_as in GIC, not ITS
hw/intc/arm_gicv3_its: Add tracepoints
target/arm: Log CPU index in 'Taking exception' log
scripts: Explain the difference between linux-headers and standard-headers
MAINTAINERS: Remove myself (for raspi).
MAINTAINERS: Add an entry for Xilinx Versal OSPI
hw/arm/xlnx-versal-virt: Connect mt35xu01g flashes to the OSPI
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The migration code will not look at a VMStateDescription's
minimum_version_id_old field unless that VMSD has set the
load_state_old field to something non-NULL. (The purpose of
minimum_version_id_old is to specify what migration version is needed
for the code in the function pointed to by load_state_old to be able
to handle it on incoming migration.)
We have exactly one VMSD which still has a load_state_old,
in the PPC CPU; every other VMSD which sets minimum_version_id_old
is doing so unnecessarily. Delete all the unnecessary ones.
Commit created with:
sed -i '/\.minimum_version_id_old/d' $(git grep -l '\.minimum_version_id_old')
with the one legitimate use then hand-edited back in.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
It missed vmstate_ppc_cpu.
Address should be 0x1E631000 and not 0x1E641000 as initially introduced.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/838
Fixes: f25c0ae107 ("aspeed/soc: Add AST2600 support")
Suggested-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220126083520.4135713-1-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implement the ITS MOVI command. This command specifies a (physical) LPI
by DeviceID and EventID and provides a new ICID for it. The ITS must
find the interrupt translation table entry for the LPI, which will
tell it the old ICID. It then moves the pending state of the LPI from
the old redistributor to the new one and updates the ICID field in
the translation table entry.
This is another GICv3 ITS command that we forgot to implement. Linux
does use this one, but only if the guest powers off one of its CPUs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-15-peter.maydell@linaro.org
Implement the ITS MOVALL command, which takes all the pending
interrupts on a source redistributor and makes the not-pending on
that source redistributor and pending on a destination redistributor.
This is a GICv3 ITS command which we forgot to implement. (It is
not used by Linux guests.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-14-peter.maydell@linaro.org
Currently when we fill in a TableDesc based on the value the guest
has written to the GITS_BASER<n> register, we calculate both:
* num_entries : the number of entries in the table, constrained
by the amount of memory the guest has given it
* num_ids : the number of IDs we support for this table,
constrained by the implementation choices and the architecture
(eg DeviceIDs are 16 bits, so num_ids is 1 << 16)
When validating ITS commands, however, we check only num_ids,
thus allowing a broken guest to specify table entries that
index off the end of it. This will only corrupt guest memory,
but the ITS is supposed to reject such commands as invalid.
Instead of calculating both num_entries and num_ids, set
num_entries to the minimum of the two limits, and check that.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-13-peter.maydell@linaro.org
The ITS has a bank of 8 GITS_BASER<n> registers, which allow the
guest to specify the base address of various data tables. Each
register has a read-only type field indicating which table it is for
and a read-write field where the guest can write in the base address
(among other things). We currently allow the guest to write the
writeable fields for all eight registers, even if the type field is 0
indicating "Unimplemented". This means the guest can provoke QEMU
into asserting by writing an address into one of these unimplemented
base registers, which bypasses the "if (!value) continue" check in
extract_table_params() and lets us hit the assertion that the type
field is one of the permitted table types.
Prevent the assertion by not allowing the guest to write to the
unimplemented base registers. This means their value will remain 0
and extract_table_params() will ignore them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-12-peter.maydell@linaro.org
The MemoryRegionOps gicv3_its_translation_ops currently provides only
a .write_with_attrs function, because the only register in this
region is the write-only GITS_TRANSLATER. However, if you don't
provide a read function and the guest tries reading from this memory
region, QEMU will crash because
memory_region_read_with_attrs_accessor() calls a NULL pointer.
Add a read function which always returns 0, to cover both bogus
attempts to read GITS_TRANSLATER and also reads from the rest of the
region, which is documented to be reserved, RES0.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-11-peter.maydell@linaro.org
The GICR_CTLR.CES bit is a read-only bit which is set to 1 to indicate
that the GICR_CTLR.EnableLPIs bit can be written to 0 to disable
LPIs (as opposed to allowing LPIs to be enabled but not subsequently
disabled). Our implementation permits this, so advertise it
by setting CES to 1.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-10-peter.maydell@linaro.org
The ITS-related parts of the redistributor code make some checks for
whether registers like GICR_PROPBASER and GICR_PENDBASER are zero.
There is no requirement in the specification for treating zeroes in
these address registers specially -- they contain guest physical
addresses and it is entirely valid (if unusual) for the guest to
choose to put the tables they address at guest physical address zero.
We use these values only to calculate guest addresses, and attempts
by the guest to use a bad address will be handled by the
address_space_* functions which we use to do the loads and stores.
Remove the unnecessary checks.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-9-peter.maydell@linaro.org
The list of #defines for the ITS command packet numbers is neither
in alphabetical nor numeric order. Sort it into numeric order.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-8-peter.maydell@linaro.org
The GICD_CTLR distributor register has enable bits which control
whether the different interrupt groups (Group 0, Non-secure Group 1
and Secure Group 1) are forwarded to the CPU. We get this right for
traditional interrupts, but forgot to account for it when adding
LPIs. LPIs are always Group 1 NS and if the EnableGrp1NS bit is not
set we must not forward them to the CPU.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-7-peter.maydell@linaro.org
The ITS specification says that when the guest writes to GITS_CBASER
this causes GITS_CREADR to be cleared. However it does not have an
equivalent clause for GITS_CWRITER. (This is because GITS_CREADR is
read-only, but GITS_CWRITER is writable and the guest can initialize
it.) Remove the code that clears GITS_CWRITER on GITS_CBASER writes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-6-peter.maydell@linaro.org
The current ITS code clears GITS_CREADR when GITS_CTLR.ENABLED is set.
This is not correct -- guest code can validly clear ENABLED and then
set it again and expect the ITS to continue processing where it left
off. Remove the erroneous assignment.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-5-peter.maydell@linaro.org
In our implementation, all ITSes connected to a GIC share a single
AddressSpace, which we keep in the GICv3State::dma_as field and
initialized based on the GIC's 'sysmem' property. The right place
to set it up by calling address_space_init() is therefore in the
GIC's realize method, not the ITS's realize.
This fixes a theoretical bug where QEMU hangs on startup if the board
model creates two ITSes connected to the same GIC -- we would call
address_space_init() twice on the same AddressSpace*, which creates
an infinite loop in the QTAILQ that softmmu/memory.c uses to store
its list of AddressSpaces and causes any subsequent attempt to
iterate through that list to loop forever. There aren't any board
models like that in the tree at the moment, though.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-4-peter.maydell@linaro.org
The ITS currently has no tracepoints; add a minimal set
that allows basic monitoring of guest register accesses and
reading of commands from the command queue.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220122182444.724087-3-peter.maydell@linaro.org
Connect Micron Xccela mt35xu01g flashes to the OSPI flash memory
controller.
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220121161141.14389-10-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add support for Micron Xccela flash mt35xu01g.
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20220121161141.14389-9-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Connect the OSPI flash memory controller model (including the source and
destination DMA).
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220121161141.14389-8-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a model of Xilinx Versal's OSPI flash memory controller.
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20220121161141.14389-7-francisco.iglesias@xilinx.com
[PMM: fixed indent]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
An option on real hardware when embedding a DMA engine into a peripheral
is to make the peripheral control the engine through a custom DMA control
(hardware) interface between the two. Software drivers in this scenario
configure and trigger DMA operations through the controlling peripheral's
register API (for example, writing a specific bit in a register could
propagate down to a transfer start signal on the DMA control interface).
At the same time the status, results and interrupts for the transfer might
still be intended to be read and caught through the DMA engine's register
API (and signals).
This patch adds a class 'read' method for allowing to start read transfers
from peripherals embedding and controlling the Xilinx CSU DMA engine as in
above scenario.
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20220121161141.14389-6-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add an orgate and 'or' the interrupts from the BBRAM and RTC models.
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20220121161141.14389-3-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a model of Versal's PMC SLCR (system-level control registers).
Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20220121161141.14389-2-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
softmmu/rtc.c defines two public functions: qemu_get_timedate() and
qemu_timedate_diff(). Currently we keep the prototypes for these in
qemu-common.h, but most files don't need them. Move them to their
own header, a new include/sysemu/rtc.h.
Since the C files using these two functions did not need to include
qemu-common.h for any other reason, we can remove those include lines
when we add the include of the new rtc.h.
The license for the .h file follows that of the softmmu/rtc.c
where both the functions are defined.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The exynos4210_uart_post_load() function assumes that it is passed
the Exynos4210UartState, but it has been attached to the
VMStateDescription for the Exynos4210UartFIFO type. The result is a
SIGSEGV when attempting to load VM state for any machine type
including this device.
Fix the bug by attaching the post-load function to the VMSD for the
Exynos4210UartState. This is the logical place for it, because the
actions it does relate to the entire UART state, not just the FIFO.
Thanks to the bug reporter @TrungNguyen1909 for the clear bug
description and the suggested fix.
Fixes: c9d3396d80
("hw/char/exynos4210_uart: Implement post_load function")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/638
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220120151648.433736-1-peter.maydell@linaro.org
In commit d5093d9615 we added a VMStateDescription to
the TYPE_ARMV7M object, to handle migration of its Clocks.
However a cut-and-paste error meant we used the wrong struct
name in the VMSTATE_CLOCK() macro arguments. The result was
that attempting a 'savevm' might result in an assertion
failure.
Cc: qemu-stable@nongnu.org
Buglink: https://gitlab.com/qemu-project/qemu/-/issues/803
Fixes: d5093d9615
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220120151609.433555-1-peter.maydell@linaro.org
* "meson test" switch for iotests
* deprecation of old SGX QAPI
* unexport InterruptStatsProviderClass-related functions
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
* configure and meson fixes
* "meson test" switch for iotests
* deprecation of old SGX QAPI
* unexport InterruptStatsProviderClass-related functions
# gpg: Signature made Fri 28 Jan 2022 10:13:36 GMT
# 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:
configure: fix parameter expansion of --cross-cc-cflags options
qapi: Cleanup SGX related comments and restore @section-size
check-block: replace -makecheck with TAP output
qemu-iotests: require at least an argument to check-block.sh
build: make check-block a meson test
scripts/mtest2make: add support for SPEED=thorough
check-block.sh: passthrough -jN flag of make to -j N flag of check
meson: Use find_program() to resolve the entitlement.sh script
exec/cpu: Make host pages variables / macros 'target agnostic'
meson.build: Use a function from libfdt 1.5.1 for the library check
intc: Unexport InterruptStatsProviderClass-related functions
docker: add msitools to Fedora/mingw cross
build-sys: fix undefined ARCH error
build-sys: fix a meson deprecation warning
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
vof.h requires "qom/object.h" for DECLARE_CLASS_CHECKERS(),
"exec/memory.h" for address_space_read/write(),
"exec/address-spaces.h" for address_space_memory
and more importantly "cpu.h" for target_ulong.
vof.c doesn't need "exec/ram_addr.h".
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220122003104.84391-1-f4bug@amsat.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
spapr_get_fw_dev_path() is an impl of
FWPathProviderClass::get_dev_path(). This interface is used by
hw/core/qdev-fw.c via fw_path_provider_try_get_dev_path() in two
functions:
- static char *qdev_get_fw_dev_path_from_handler(), which is used only in
qdev_get_fw_dev_path_helper() and it's guarded by "if (dev &&
dev->parent_bus)";
- char *qdev_get_own_fw_dev_path_from_handler(), which is used in
softmmu/bootdevice.c in get_boot_device_path() like this:
if (dev) {
d = qdev_get_own_fw_dev_path_from_handler(dev->parent_bus, dev);
This means that, when called via softmmu/bootdevice.c, there's no check
of 'dev->parent_bus' being not NULL. The result is that the "BusState
*bus" arg of spapr_get_fw_dev_path() can potentially be NULL and if, at
the same time, "SCSIDevice *d" is not NULL, we'll hit this line:
void *spapr = CAST(void, bus->parent, "spapr-vscsi");
And we'll SIGINT because 'bus' is NULL and we're accessing bus->parent.
Adding a simple 'bus != NULL' check to guard the instances where we
access 'bus->parent' can avoid this altogether.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220121213852.30243-1-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The ldq_be_dma() routine was recently changed to return a result of
the transaction. Use it when loading the virtual structure descriptors
in the XIVE PowerNV model.
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220124081635.3672439-1-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
pnv_phb4_translate_tve() is quite similar to pnv_phb3_translate_tve(),
and that includes the fact that 'taddr' can be considered uninitialized
when throwing the "TCE access fault" error because, in theory, the loop
that sets 'taddr' can be skippable due to 'lev' being an signed int.
No one complained about this specific case yet, but since we took the
time to handle the same situtation in pnv_phb3_translate_tve(), let's
replicate it here as well.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220127122234.842145-3-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The 'taddr' variable is left unintialized, being set only inside the
"while ((lev--) >= 0)" loop where we get the TCE address. The 'lev' var
is an int32_t that is being initiliazed by the GETFIELD() macro, which
returns an uint64_t.
For a human reader this means that 'lev' will always be positive or zero.
But some compilers may beg to differ. 'lev' being an int32_t can in theory
be set as negative, and the "while ((lev--) >= 0)" loop might never be
reached, and 'taddr' will be left unitialized. This can cause phb3_error()
to use 'taddr' uninitialized down below:
if ((is_write & !(tce & 2)) || ((!is_write) && !(tce & 1))) {
phb3_error(phb, "TCE access fault at 0x%"PRIx64, taddr);
A quick way of fixing it is to use a do/while() loop. This will keep the
same semanting as the existing while() loop does and the compiler will
understand that 'taddr' will be initialized at least once.
Suggested-by: Matheus K. Ferst <matheus.ferst@eldorado.org.br>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/573
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220127122234.842145-2-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
If an iommu page has wrong permissions, an error message is displayed,
but the access is allowed, which is odd. This patch fixes it.
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220121152350.381685-1-fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
"PowerPC Processor binding to IEEE 1275" says in
"8.2.1. Initial Register Values" that the initial state is defined as
32bit so do it for both SLOF and VOF.
This should not cause behavioral change as SLOF switches to 64bit very
early anyway. As nothing enforces LE anywhere, this drops it for VOF.
The goal is to make VOF work with TCG as otherwise it barfs with
qemu: fatal: TCG hflags mismatch (current:0x6c000004 rebuilt:0x6c000000)
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220107072423.2278113-1-aik@ozlabs.ru>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The SGX NUMA patches were merged into Qemu 7.0 release, we need
clarify detailed version history information and also change
some related comments, which make SGX related comments clearer.
The QMP command schema promises backwards compatibility as standard.
We temporarily restore "@section-size", which can avoid incompatible
API breakage. The "@section-size" will be deprecated in 7.2 version.
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220120223104.437161-1-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In some cases, a particular mapcache entry may be mapped 256 times
causing the lock field to wrap to 0. For example, this may happen when
using emulated NVME and the guest submits a large scatter-gather write.
At this point, the entry map be remapped causing QEMU to write the wrong
data or crash (since remap is not atomic).
Avoid this overflow by increasing the lock field to a uint32_t and also
detect it and abort rather than continuing regardless.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Message-Id: <20220124104450.152481-1-ross.lagerwall@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
commit f37f29d314 "xen: slightly simplify bufioreq handling" hard
coded setting req.count = 1 during initial field setup before the main
loop. This missed a subtlety that an early exit from the loop when
there are no ioreqs to process, would have req.count == 0 for the return
value. handle_buffered_io() would then remove state->buffered_io_timer.
Instead handle_buffered_iopage() is basically always returning true and
handle_buffered_io() always re-setting the timer.
Restore the disabling of the timer by introducing a new handled_ioreq
boolean and use as the return value. The named variable will more
clearly show the intent of the code.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20211210193434.75566-1-jandryuk@gmail.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
The functions are only used within their respective source files, so no
need for exporting.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20220116122327.73048-1-shentey@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that RISC-V Spike machine can use BIN BIOS images, we remove
the macros used for ELF BIOS image names.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Currently, we have to use OpenSBI firmware ELF as bios for the spike
machine because the HTIF console requires ELF for parsing "fromhost"
and "tohost" symbols.
The latest OpenSBI can now optionally pick-up HTIF register address
from HTIF DT node so using this feature spike machine can now use
OpenSBI firmware BIN as bios.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Get kernel and fdt start address in virt.c, and pass them to KVM
when cpu reset. Add kvm_riscv.h to place riscv specific interface.
In addition, PLIC is created without M-mode PLIC contexts when KVM
is enabled.
Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Message-id: 20220112081329.1835-7-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The following changes:
1. Fixes the incorrectly set CTRL register address. As
per [1] https://docs.opentitan.org/hw/ip/rv_timer/doc/#register-table
The CTRL register is @ 0x04.
This was found when attempting to fixup a bug where a timer_interrupt
was not serviced on TockOS-OpenTitan.
2. Adds ALERT_TEST register as documented on [1], adding repective
switch cases to error handle and later implement functionality.
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20220111071025.4169189-2-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The following change was made to rectify incorrectly set stride length
on the PLIC [1]. Where it should be 32bit and not 24bit (0x18). This was
discovered whilst attempting to fix a bug where a timer_interrupt was
not serviced on TockOS-OpenTitan.
[1] https://docs.opentitan.org/hw/top_earlgrey/ip_autogen/rv_plic/doc/
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20220111071025.4169189-1-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This change fixes a bug where a write only register is read.
As per https://docs.opentitan.org/hw/ip/rv_timer/doc/#register-table
the 'INTR_TEST0' register is write only.
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220110051606.4031241-1-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* hw/intc/arm_gicv3_its: Fix various minor bugs
* hw/arm/aspeed: Add the i3c device to the AST2600 SoC
* hw/arm: kudo: add lm75s behind bus 1 switch at 75
* hw/arm/virt: Fix support for running guests on hosts
with restricted IPA ranges
* hw/intc/arm_gic: Allow reset of the running priority
* hw/intc/arm_gic: Implement read of GICC_IIDR
* hw/arm/virt: Support for virtio-mem-pci
* hw/arm/virt: Support CPU cluster on ARM virt machine
* docs/can: convert to restructuredText
* hw/net: Move MV88W8618 network device out of hw/arm/ directory
* hw/arm/virt: KVM: Enable PAuth when supported by the host
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20220120-1' into staging
target-arm:
* hw/intc/arm_gicv3_its: Fix various minor bugs
* hw/arm/aspeed: Add the i3c device to the AST2600 SoC
* hw/arm: kudo: add lm75s behind bus 1 switch at 75
* hw/arm/virt: Fix support for running guests on hosts
with restricted IPA ranges
* hw/intc/arm_gic: Allow reset of the running priority
* hw/intc/arm_gic: Implement read of GICC_IIDR
* hw/arm/virt: Support for virtio-mem-pci
* hw/arm/virt: Support CPU cluster on ARM virt machine
* docs/can: convert to restructuredText
* hw/net: Move MV88W8618 network device out of hw/arm/ directory
* hw/arm/virt: KVM: Enable PAuth when supported by the host
# gpg: Signature made Thu 20 Jan 2022 16:12:12 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20220120-1: (38 commits)
hw/intc/arm_gicv3: Check for !MEMTX_OK instead of MEMTX_ERROR
hw/intc/arm_gicv3_its: Range-check ICID before indexing into collection table
hw/intc/arm_gicv3_its: Check indexes before use, not after
hw/intc/arm_gicv3_its: Factor out "find address of table entry" code
hw/intc/arm_gicv3_its: Fix return codes in process_mapd()
hw/intc/arm_gicv3_its: Fix return codes in process_mapc()
hw/intc/arm_gicv3_its: Fix return codes in process_mapti()
hw/intc/arm_gicv3_its: Refactor process_its_cmd() to reduce nesting
hw/intc/arm_gicv3_its: Fix return codes in process_its_cmd()
hw/intc/arm_gicv3_its: Use enum for return value of process_* functions
hw/intc/arm_gicv3_its: Don't use data if reading command failed
hw/intc/arm_gicv3_its: Fix handling of process_its_cmd() return value
hw/intc/arm_gicv3_its: Convert int ID check to num_intids convention
hw/intc/arm_gicv3_its: Fix event ID bounds checks
hw/arm/aspeed: Add the i3c device to the AST2600 SoC
hw/misc/aspeed_i3c.c: Introduce a dummy AST2600 I3C model.
hw/arm: kudo add lm75s behind bus 1 switch at 75
hw/arm/virt: Drop superfluous checks against highmem
hw/arm/virt: Disable highmem devices that don't fit in the PA range
hw/arm/virt: Use the PA range to compute the memory map
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Quoting Peter Maydell:
"These MEMTX_* aren't from the memory transaction
API functions; they're just being used by gicd_readl() and
friends as a way to indicate a success/failure so that the
actual MemoryRegionOps read/write fns like gicv3_dist_read()
can log a guest error."
We are going to introduce more MemTxResult bits, so it is
safer to check for !MEMTX_OK rather than MEMTX_ERROR.
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In process_its_cmd(), we read an ICID out of the interrupt table
entry, and then use it as an index into the collection table. Add a
check that it is within range for the collection table first.
This check is not strictly necessary, because:
* we range check the ICID from the guest before writing it into
the interrupt table entry, so the the only way to get an
out of range ICID in process_its_cmd() is if a badly-behaved
guest is writing directly to the interrupt table memory
* the collection table is in guest memory, so QEMU won't fall
over if we read off the end of it
However, it seems clearer to include the check.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-14-peter.maydell@linaro.org
In a few places in the ITS command handling functions, we were
doing the range-check of an event ID or device ID only after using
it as a table index; move the checks to before the uses.
This misordering wouldn't have very bad effects because the
tables are in guest memory anyway.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-13-peter.maydell@linaro.org
The ITS has several tables which all share a similar format,
described by the TableDesc struct: the guest may configure them
to be a single-level table or a two-level table. Currently we
open-code the process of finding the table entry in all the
functions which read or write the device table or the collection
table. Factor out the "get the address of the table entry"
logic into a new function, so that the code which needs to
read or write a table entry only needs to call table_entry_addr()
and then perform a suitable load or store to that address.
Note that the error handling is slightly complicated because
we want to handle two cases differently:
* failure to read the L1 table entry should end up causing
a command stall, like other kinds of DMA error
* an L1 table entry that says there is no L2 table for this
index (ie whose valid bit is 0) must result in us treating
the table entry as not-valid on read, and discarding
writes (this is mandated by the spec)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-12-peter.maydell@linaro.org
Fix process_mapd() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-11-peter.maydell@linaro.org
Fix process_mapc() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-10-peter.maydell@linaro.org
Fix process_mapti() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-9-peter.maydell@linaro.org
Refactor process_its_cmd() so that it consistently uses
the structure
do thing;
if (error condition) {
return early;
}
do next thing;
rather than doing some of the work nested inside if (not error)
code blocks.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-8-peter.maydell@linaro.org
Fix process_its_cmd() to consistently return CMD_STALL for
memory errors and CMD_CONTINUE for parameter errors, as
we claim in the comments that we do.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-7-peter.maydell@linaro.org
When an ITS detects an error in a command, it has an
implementation-defined (CONSTRAINED UNPREDICTABLE) choice of whether
to ignore the command, proceeding to the next one in the queue, or to
stall the ITS command queue, processing nothing further. The
behaviour required when the read of the command packet from memory
fails is less clearly documented, but the same set of choices as for
command errors seem reasonable.
The intention of the QEMU implementation, as documented in the
comments, is that if we encounter a memory error reading the command
packet or one of the various data tables then we should stall, but
for command parameter errors we should ignore the queue and continue.
However, we don't actually do this. To get the desired behaviour,
the various process_* functions need to return true to cause
process_cmdq() to advance to the next command and keep processing,
and false to stall command processing. What they mostly do is return
false for any kind of error.
To make the code clearer, replace the 'bool' return from the process_
functions with an enum which may be either CMD_STALL or CMD_CONTINUE.
In this commit no behaviour changes; in subsequent commits we will
adjust the error-return paths for the process_ functions one by one.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220111171048.3545974-6-peter.maydell@linaro.org
In process_cmdq(), we read 64 bits of the command packet, which
contain the command identifier, which we then switch() on to dispatch
to an appropriate sub-function. However, if address_space_ldq_le()
reports a memory transaction failure, we still read the command
identifier out of the data and switch() on it. Restructure the code
so that we stop immediately (stalling the command queue) in this
case.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-5-peter.maydell@linaro.org
process_its_cmd() returns a bool, like all the other process_ functions.
However we were putting its return value into 'res', not 'result',
which meant we would ignore it when deciding whether to continue
or stall the command queue. Fix the typo.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220111171048.3545974-4-peter.maydell@linaro.org
The bounds check on the number of interrupt IDs is correct, but
doesn't match our convention; change the variable name, initialize it
to the 2^n value rather than (2^n)-1, and use >= instead of > in the
comparison.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-3-peter.maydell@linaro.org
In process_its_cmd() and process_mapti() we must check the
event ID against a limit defined by the size field in the DTE,
which specifies the number of ID bits minus one. Convert
this code to our num_foo convention:
* change the variable names
* use uint64_t and 1ULL when calculating the number
of valid event IDs, because DTE.SIZE is 5 bits and
so num_eventids may be up to 2^32
* fix the off-by-one error in the comparison
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-2-peter.maydell@linaro.org
Aspeed 2600 SDK enables I3C support by default. The I3C driver will try
to reset the device controller and set it up through device address table
register. This dummy model responds to these registers with default values
as listed in the ast2600v10 datasheet chapter 54.2.
This avoids a guest machine kernel panic due to referencing an
invalid kernel address if the device address table register isn't
set correctly.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Reviewed-by: Graeme Gregory <quic_ggregory@quicinc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Graeme Gregory <quic_ggregory@quicinc.com>
Message-id: 20220111084546.4145785-2-troy_lee@aspeedtech.com
[PMM: tidied commit message; fixed format strings]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now that the devices present in the extended memory map are checked
against the available PA space and disabled when they don't fit,
there is no need to keep the same checks against highmem, as
highmem really is a shortcut for the PA space being 32bit.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Message-id: 20220114140741.1358263-7-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to only keep the highmem devices that actually fit in
the PA range, check their location against the range and update
highest_gpa if they fit. If they don't, mark them as disabled.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-6-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The highmem attribute is nothing but another way to express the
PA range of a VM. To support HW that has a smaller PA range then
what QEMU assumes, pass this PA range to the virt_set_memmap()
function, allowing it to correctly exclude highmem devices
if they are outside of the PA range.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-5-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Even when the VM is configured with highmem=off, the highest_gpa
field includes devices that are above the 4GiB limit.
Similarily, nothing seem to check that the memory is within
the limit set by the highmem=off option.
This leads to failures in virt_kvm_type() on systems that have
a crippled IPA range, as the reported IPA space is larger than
what it should be.
Instead, honor the user-specified limit to only use the devices
at the lowest end of the spectrum, and fail if we have memory
crossing the 4GiB limit.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Message-id: 20220114140741.1358263-4-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Just like we can control the enablement of the highmem PCIe region
using highmem_ecam, let's add a control for the highmem GICv3
redistributor region.
Similarily to highmem_ecam, these redistributors are disabled when
highmem is off.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-3-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Just like we can control the enablement of the highmem PCIe ECAM
region using highmem_ecam, let's add a control for the highmem
PCIe MMIO region.
Similarily to highmem_ecam, this region is disabled when highmem
is off.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-2-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When running Linux on a machine with GICv2, the kernel can crash while
processing an interrupt and can subsequently start a kdump kernel from
the active interrupt handler. In such a case, the crashed kernel might
not gracefully signal the end of interrupt to the GICv2 hardware. The
kdump kernel will however try to reset the GIC state on startup to get
the controller into a sane state, in particular the kernel writes ones
to GICD_ICACTIVERn and wipes out GICC_APRn to make sure that no
interrupt is active.
The patch adds a logic to recalculate the running priority when
GICC_APRn/GICC_NSAPRn is written which makes sure that the mentioned
reset works with the GICv2 emulation in QEMU too and the kdump kernel
starts receiving interrupts.
The described scenario can be reproduced on an AArch64 QEMU virt machine
with a kdump-enabled Linux system by using the softdog module. The kdump
kernel will hang at some point because QEMU still thinks the running
priority is that of the timer interrupt and asserts no new interrupts to
the system:
$ modprobe softdog soft_margin=10 soft_panic=1
$ cat > /dev/watchdog
[Press Enter to start the watchdog, wait for its timeout and observe
that the kdump kernel hangs on startup.]
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Message-id: 20220113151916.17978-3-ppavlu@suse.cz
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implement support for reading GICC_IIDR. This register is used by the
Linux kernel to recognize that GICv2 with GICC_APRn is present.
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Message-id: 20220113151916.17978-2-ppavlu@suse.cz
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This supports virtio-mem-pci device on "virt" platform, by simply
following the implementation on x86.
* This implements the hotplug handlers to support virtio-mem-pci
device hot-add, while the hot-remove isn't supported as we have
on x86.
* The block size is 512MB on ARM64 instead of 128MB on x86.
* It has been passing the tests with various combinations like 64KB
and 4KB page sizes on host and guest, different memory device
backends like normal, transparent huge page and HugeTLB, plus
migration.
Co-developed-by: David Hildenbrand <david@redhat.com>
Co-developed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-id: 20220111063329.74447-3-gshan@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The default block size is same as to the THP size, which is either
retrieved from "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size"
or hardcoded to 2MB. There are flaws in both mechanisms and this
intends to fix them up.
* When "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size" is
used to getting the THP size, 32MB and 512MB are valid values
when we have 16KB and 64KB page size on ARM64.
* When the hardcoded THP size is used, 2MB, 32MB and 512MB are
valid values when we have 4KB, 16KB and 64KB page sizes on
ARM64.
Co-developed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-id: 20220111063329.74447-2-gshan@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Support CPU cluster topology level in generation of ACPI
Processor Properties Topology Table (PPTT).
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-6-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use g_queue APIs to reduce the nested loops and code indentation
with the processor hierarchy levels increasing. Consenquently,
it's more scalable to add new topology level to build_pptt.
No functional change intended.
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-4-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Support one cluster level between core and physical package in the
cpu-map of Arm/virt devicetree. This is also consistent with Linux
Doc "Documentation/devicetree/bindings/cpu/cpu-topology.txt".
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-3-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
ARM64 machines like Kunpeng Family Server Chips have a level
of hardware topology in which a group of CPU cores share L3
cache tag or L2 cache. For example, Kunpeng 920 typically
has 6 or 8 clusters in each NUMA node (also represent range
of CPU die), and each cluster has 4 CPU cores. All clusters
share L3 cache data, but CPU cores in each cluster share a
local L3 tag.
Running a guest kernel with Cluster-Aware Scheduling on the
Hosts which have physical clusters, if we can design a vCPU
topology with cluster level for guest kernel and then have
a dedicated vCPU pinning, the guest will gain scheduling
performance improvement from cache affinity of CPU cluster.
So let's enable the support for this new parameter on ARM
virt machines. After this patch, we can define a 4-level
CPU hierarchy like: cpus=*,maxcpus=*,sockets=*,clusters=*,
cores=*,threads=*.
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-2-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The Marvell 88W8618 network device is hidden in the Musicpal
machine. Move it into a new unit file under the hw/net/ directory.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-4-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We are going to move this code, so fix its style first to avoid:
ERROR: spaces required around that '/' (ctx:VxV)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The Marvell 88W8618 is a system-on-chip with an ARM core.
We implement its audio codecs and network interface.
Homogeneous SoC Kconfig are usually defined in the hw/$ARCH
directory. Move it there.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
According to QEMU parameter, set initial PC to the entry of
the loaded kernel.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220115203725.3834712-4-laurent@vivier.eu>
When the mem_size of the segment is bigger than the file_size,
and if this space doesn't overlap another segment, it needs
to be cleared.
This bug is very similar to the one we had for linux-user,
22d113b52f ("linux-user: Fix loading of BSS segments"),
where .bss section is encoded as an extension of the the data
one by setting the segment p_memsz > p_filesz.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
[PMD: Use recently added address_space_set()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220115203725.3834712-3-laurent@vivier.eu>
- fix compiler warnings with ui and sdl
- update QXL/spice dependancy
- skip I/O tests on Alpine
- update fedora image to latest version
- integrate lcitool and regenerate docker images
- favour CONFIG_LINUX_USER over CONFIG_LINUX
- add libfuse3 dependencies to docker images
- add dtb-kaslr-seed control knob to virt machine
- fix build breakage from HMP update
- update docs for C standard and suffix usage
- add more logging for debugging user hole finding
- expand reserve for brk() for static 64 bit programs
- fix bug with linux-user hole calculation
- avoid affecting flags when printing results in float tests
- add float reference files for ppc64
- update FreeBSD to 12.3
- add bison dependancy to tricore images
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-7.0-180122-2' into staging
Various testing and other misc updates:
- fix compiler warnings with ui and sdl
- update QXL/spice dependancy
- skip I/O tests on Alpine
- update fedora image to latest version
- integrate lcitool and regenerate docker images
- favour CONFIG_LINUX_USER over CONFIG_LINUX
- add libfuse3 dependencies to docker images
- add dtb-kaslr-seed control knob to virt machine
- fix build breakage from HMP update
- update docs for C standard and suffix usage
- add more logging for debugging user hole finding
- expand reserve for brk() for static 64 bit programs
- fix bug with linux-user hole calculation
- avoid affecting flags when printing results in float tests
- add float reference files for ppc64
- update FreeBSD to 12.3
- add bison dependancy to tricore images
# gpg: Signature made Tue 18 Jan 2022 16:47:42 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-for-7.0-180122-2: (31 commits)
docker: include bison in debian-tricore-cross
FreeBSD: Upgrade to 12.3 release
test/tcg/ppc64le: Add float reference files
tests/tcg/multiarch: Read fp flags before printf
linux-user: don't adjust base of found hole
linux-user/elfload: add extra logging for hole finding
linux-user: expand reserved brk space for 64bit guests
docs/devel: more documentation on the use of suffixes
docs/devel: update C standard to C11
monitor: move x-query-profile into accel/tcg to fix build
hw/arm: add control knob to disable kaslr_seed via DTB
tests/docker: add libfuse3 development headers
tests/tcg: use CONFIG_LINUX_USER, not CONFIG_LINUX
tests/docker: auto-generate alpine.docker with lcitool
tests/docker: fully expand the alpine package list
tests/docker: fix sorting of alpine image package lists
tests/docker: updates to alpine package list
.gitlab-ci.d/cirrus: auto-generate variables with lcitool
tests/docker: remove ubuntu.docker container
tests/docker: auto-generate opensuse-leap.docker with lcitool
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* More documentation updates (Leonardo)
* Fixes for the 7448 CPU (Fabiano and Cedric)
* Final removal of 403 CPUs and the .load_state_old handler (Cedric)
* More cleanups of PHB4 models (Daniel and Cedric)
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Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220118' into staging
ppc 7.0 queue:
* More documentation updates (Leonardo)
* Fixes for the 7448 CPU (Fabiano and Cedric)
* Final removal of 403 CPUs and the .load_state_old handler (Cedric)
* More cleanups of PHB4 models (Daniel and Cedric)
# gpg: Signature made Tue 18 Jan 2022 11:59:16 GMT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* remotes/legoater/tags/pull-ppc-20220118: (31 commits)
ppc/pnv: Remove PHB4 version property
ppc/pnv: Add a 'rp_model' class attribute for the PHB4 PEC
ppc/pnv: Move root port allocation under pnv_pec_default_phb_realize()
ppc/pnv: rename pnv_pec_stk_update_map()
ppc/pnv: remove PnvPhb4PecStack object
ppc/pnv: make PECs create and realize PHB4s
ppc/pnv: remove PnvPhb4PecStack::stack_no
ppc/pnv: move default_phb_realize() to pec_realize()
ppc/pnv: remove stack pointer from PnvPHB4
ppc/pnv: reduce stack->stack_no usage
ppc/pnv: introduce PnvPHB4 'pec' property
ppc/pnv: move phb_regs_mr to PnvPHB4
ppc/pnv: move nest_regs_mr to PnvPHB4
ppc/pnv: change pnv_pec_stk_update_map() to use PnvPHB4
ppc/pnv: move nest_regs[] to PnvPHB4
ppc/pnv: move mmbar0/mmbar1 and friends to PnvPHB4
ppc/pnv: change pnv_phb4_update_regions() to use PnvPHB4
ppc/pnv: move intbar to PnvPHB4
ppc/pnv: move phbbar to PnvPHB4
ppc/pnv: move PCI registers to PnvPHB4
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Generally a guest needs an external source of randomness to properly
enable things like address space randomisation. However in a trusted
boot environment where the firmware will cryptographically verify
components having random data in the DTB will cause verification to
fail. Add a control knob so we can prevent this being added to the
system DTB.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Jerome Forissier <jerome@forissier.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20220105135009.1584676-22-alex.bennee@linaro.org>
spice updated the spelling (and arguments) of "attache_worker" in
0.15.0. Update QEMU to match, preventing -Wdeprecated-declarations
compilations from reporting build errors.
See also:
974692bda1
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215141949.3512719-3-berrange@redhat.com>
Message-Id: <20220105135009.1584676-3-alex.bennee@linaro.org>
In the past s390 used a fixed command line length of 896 bytes. This has changed
with the Linux commit 5ecb2da660ab ("s390: support command lines longer than 896
bytes"). There is now a parm area indicating the maximum command line size. This
parm area has always been initialized to zero, so with older kernels this field
would read zero and we must then assume that only 896 bytes are available.
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Viktor Mihajlovski <mihajlov@de.ibm.com>
Message-Id: <20211122112909.18138-1-mhartmay@linux.ibm.com>
[thuth: Cosmetic fixes, and use PRIu64 instead of %lu]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Eric DeVolder