Move the LASI device implementation from hw/hppa to hw/misc so that it is
located with all the other miscellaneous devices.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-43-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Move the DINO device implementation from hw/hppa to hw/pci-host so that it is
located with all the other PCI host bridges.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-23-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
The pcspk device is the only user of the init_isa function, and the only
-soundhw option which does not create a new device (it hacks into the
PCSpkState by hand). Remove it, since it was deprecated.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vhost-scsi and vhost-user-scsi are two devices of their own; it should
be possible to enable/disable them with --without-default-devices, not
--without-default-features. Compute their default value in Kconfig to
obtain the more intuitive behavior.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Rename VFIOGuestIOMMU iommu field into iommu_mr. Then it becomes clearer
it is an IOMMU memory region.
no functional change intended
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20220502094223.36384-4-yi.l.liu@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
In a subsequent patch, VFIO will need to recognize if
a memory region owner is a TPM CRB device. Hence VFIO
needs to use TPM_IS_CRB() even if CONFIG_TPM is unset. So
let's add a stub function.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linnux.ibm.com>
Link: https://lore.kernel.org/r/20220506132510.1847942-2-eric.auger@redhat.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
When pulling or pushing an OS context from/to a CPU, we should
re-evaluate the state of the External interrupt signal. Otherwise, we
can end up catching the External interrupt exception in hypervisor
mode, which is unexpected.
The problem is best illustrated with the following scenario:
1. an External interrupt is raised while the guest is on the CPU.
2. before the guest can ack the External interrupt, an hypervisor
interrupt is raised, for example the Hypervisor Decrementer or
Hypervisor Virtualization interrupt. The hypervisor interrupt forces
the guest to exit while the External interrupt is still pending.
3. the hypervisor handles the hypervisor interrupt. At this point, the
External interrupt is still pending. So it's very likely to be
delivered while the hypervisor is running. That's unexpected and can
result in an infinite loop where the hypervisor catches the External
interrupt, looks for an interrupt in its hypervisor queue, doesn't
find any, exits the interrupt handler with the External interrupt
still raised, repeat...
The fix is simply to always lower the External interrupt signal when
pulling an OS context. It means it needs to be raised again when
re-pushing the OS context. Fortunately, it's already the case, as we
now always call xive_tctx_ipb_update(), which will raise the signal if
needed.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220429071620.177142-3-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This reverts commit b1c0734905. (We
wanted to do so once the 7.1 tree opens, which has happened. The issue
reported in https://gitlab.com/qemu-project/qemu/-/issues/945 should be
fixed by the preceding patches.)
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220427114057.36651-4-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This function is safe to call in an I/O context, and qcow2_do_open()
does so (invoked in an I/O context by qcow2_co_invalidate_cache()).
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220427114057.36651-2-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Capstone should be superior to the old libopcode disassembler,
so we can drop the old file nowadays.
Message-Id: <20220412165836.355850-2-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Swap half-words (16-bit) and words (32-bit) within a larger value.
Mirrors functions of the same names within include/qemu/bitops.h.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Miller <dmiller423@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220428094708.84835-5-david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The qemu_*block() functions are meant to be be used with sockets (the
win32 implementation expects SOCKET)
Over time, those functions where used with Win32 SOCKET or
file-descriptors interchangeably. But for portability, they must only be
used with socket-like file-descriptors. FDs can use
g_unix_set_fd_nonblocking() instead.
Rename the functions with "socket" in the name to prevent bad usages.
This is effectively reverting commit f9e8cacc55 ("oslib-posix:
rename socket_set_nonblock() to qemu_set_nonblock()").
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
The function isn't used outside of qio_channel_command_new_spawn(),
which is !win32-specific.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
GLib g_unix_open_pipe() is essentially like qemu_pipe(), available since
2.30.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
It is only used by block/file-posix.c, move it there.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Per ast1030_v7.pdf, AST1030 HACE engine is identical to AST2600's HACE
engine.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The aspeed ast2600 accumulative mode is described in datasheet
ast2600v10.pdf section 25.6.4:
1. Allocating and initiating accumulative hash digest write buffer
with initial state.
* Since QEMU crypto/hash api doesn't provide the API to set initial
state of hash library, and the initial state is already set by
crypto library (gcrypt/glib/...), so skip this step.
2. Calculating accumulative hash digest.
(a) When receiving the last accumulative data, software need to add
padding message at the end of the accumulative data. Padding
message described in specific of MD5, SHA-1, SHA224, SHA256,
SHA512, SHA512/224, SHA512/256.
* Since the crypto library (gcrypt/glib) already pad the
padding message internally.
* This patch is to remove the padding message which fed byguest
machine driver.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220426021120.28255-3-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Support HACE28: Hash HMAC Key Buffer Base Address Register.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220426021120.28255-2-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The embedded core of AST1030 SoC is ARM Coretex M4.
It is hard to be integrated in the common Aspeed Soc framework.
We introduce a new ast1030 class with instance_init and realize
handlers.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: rename aspeed_ast10xx.c to aspeed_ast10x0.c to match zephyr ]
Message-Id: <20220401083850.15266-8-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Per ast1030_v07.pdf, AST1030 SOC doesn't have SCU300, the pclk divider
selection is defined in SCU310[11:8].
Add a get_apb_freq function and a class init handler for ast1030.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-7-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
ast1030 tmc(timer controller) is identical to ast2600 tmc.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-6-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
AST1030 wdt controller is similiar to AST2600's wdt, but it has extra
registers.
Introduce ast1030 object class and increse the number of regs(offset) of
ast1030 model.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-5-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Per ast2500_2520_datasheet_v1.8 and ast2600v11.pdf, the default value of
WDT00 and WDT04 is 0x014FB180 for ast2500/ast2600.
Add default_status and default_reload_value attributes for storing
counter status and reload value as they are different from ast2400.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-4-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Per ast1030_v7.pdf, AST1030 ADC engine is identical to AST2600's ADC.
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-2-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Guest code (u-boot) pokes at this on boot. No functionality is required
for guest code to work correctly, but it helps to document the region
being read from.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220318092211.723938-1-joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
AST2600 clkin is always 25MHz, introduce clkin_25Mhz attribute
for aspeed_scu_get_clkin() to return the correct clkin for ast2600.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220315075753.8591-3-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
AST2600's HPLL register offset and bit definition are different from
AST2500. Add a hpll calculation function and an apb frequency calculation
function based on SCU200 register description in ast2600v11.pdf.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: checkpatch fixes ]
Message-Id: <20220315075753.8591-2-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Create a platform bus to allow dynamic devices to be connected. This is
based on the ARM implementation.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220427234146.1130752-4-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The ARM virt machine currently uses sysbus-fdt to create device tree
entries for dynamically created MMIO devices.
The RISC-V virt machine can also benefit from this, so move the code to
the core directory.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220427234146.1130752-3-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Move the binary and device tree loading code to the machine done
notifier. This allows us to prepare for editing the device tree as part
of the notifier.
This is based on similar code in the ARM virt machine.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220427234146.1130752-2-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
- share it between target/arm and target/riscv
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220423023510.30794-6-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* refactor to use tcg_constant where appropriate
* Advertise support for FEAT_TTL and FEAT_BBM level 2
* smmuv3: Cache event fault record
* smmuv3: Add space in guest error message
* smmuv3: Advertise support for SMMUv3.2-BBML2
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Merge tag 'pull-target-arm-20220428' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* refactor to use tcg_constant where appropriate
* Advertise support for FEAT_TTL and FEAT_BBM level 2
* smmuv3: Cache event fault record
* smmuv3: Add space in guest error message
* smmuv3: Advertise support for SMMUv3.2-BBML2
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# gpg: Signature made Thu 28 Apr 2022 07:38:38 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
* tag 'pull-target-arm-20220428' of https://git.linaro.org/people/pmaydell/qemu-arm: (54 commits)
hw/arm/smmuv3: Advertise support for SMMUv3.2-BBML2
target/arm: Advertise support for FEAT_BBM level 2
target/arm: Advertise support for FEAT_TTL
hw/arm/smmuv3: Add space in guest error message
hw/arm/smmuv3: Cache event fault record
target/arm: Use field names for accessing DBGWCRn
target/arm: Disable cryptographic instructions when neon is disabled
target/arm: Use tcg_constant for vector descriptor
target/arm: Use tcg_constant for do_brk{2,3}
target/arm: Use tcg_constant for predicate descriptors
target/arm: Use tcg_constant in do_zzi_{sat, ool}, do_fp_imm
target/arm: Use tcg_constant in SUBR
target/arm: Use tcg_constant in LD1, ST1
target/arm: Use tcg_constant in WHILE
target/arm: Use tcg_constant in do_clast_scalar
target/arm: Use tcg_constant in {incr, wrap}_last_active
target/arm: Use tcg_constant in FCPY, CPY
target/arm: Use tcg_constant in SINCDEC, INCDEC
target/arm: Use tcg_constant for trans_INDEX_*
target/arm: Use tcg_constant in trans_CSEL
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The Record bit in the Context Descriptor tells the SMMU to report fault
events to the event queue. Since we don't cache the Record bit at the
moment, access faults from a cached Context Descriptor are never
reported. Store the Record bit in the cached SMMUTransCfg.
Fixes: 9bde7f0674 ("hw/arm/smmuv3: Implement translate callback")
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220427111543.124620-1-jean-philippe@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Like -set and -readconfig, it would not really be too hard to
extend -writeconfig to parsing mechanisms other than QemuOpts.
However, the uses of -writeconfig are substantially more
limited, as it is generally easier to write the configuration
by hand in the first place. In addition, -writeconfig does
not even try to detect cases where it prints incorrect
syntax (for example if values have a quote in them, since
qemu_config_parse does not support any kind of escaping.
Just remove it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220414145721.326866-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
move sev firmware setup to separate function so it can be used from
other code paths. No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220425135051.551037-3-kraxel@redhat.com>
Add possibility to change addresses where VNC server listens for new
connections. Prior to 6.0 this functionality was available through
'change' qmp command which was deleted.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220401143936.356460-3-vsementsov@openvz.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
- Paolo Bonzini: thread-safety improvements to NBD client
- Vladimir Sementsov-Ogievsky: finer-grained selection of bitmaps during
nbd-export
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Merge tag 'pull-nbd-2022-04-26' of https://repo.or.cz/qemu/ericb into staging
nbd patches for 2022-04-26
- Paolo Bonzini: thread-safety improvements to NBD client
- Vladimir Sementsov-Ogievsky: finer-grained selection of bitmaps during
nbd-export
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# gpg: Signature made Tue 26 Apr 2022 01:12:00 PM PDT
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
* tag 'pull-nbd-2022-04-26' of https://repo.or.cz/qemu/ericb:
nbd: document what is protected by the CoMutexes
nbd: take receive_mutex when reading requests[].receiving
nbd: move s->state under requests_lock
nbd: code motion and function renaming
nbd: use a QemuMutex to synchronize yanking, reconnection and coroutines
nbd: keep send_mutex/free_sema handling outside nbd_co_do_establish_connection
nbd: remove peppering of nbd_client_connected
nbd: mark more coroutine_fns
nbd: safeguard against waking up invalid coroutine
iotests/223: check new possibility of exporting bitmaps by node/name
qapi: nbd-export: allow select bitmaps by node/name pair
qapi: rename BlockDirtyBitmapMergeSource to BlockDirtyBitmapOrStr
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rename the type to be reused. Old name is "what is it for". To be
natively reused for other needs, let's name it exactly "what is it".
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org>
Message-Id: <20220314213226.362217-2-v.sementsov-og@mail.ru>
[eblake: Adjust S-o-b to Vladimir's new email, with permission]
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Implement nios2 Vectored Interrupt Controller (VIC).
VIC is connected to EIC. It needs to update rha, ril, rrs and rnmi
fields on Nios2CPU before raising an IRQ.
For that purpose, VIC has a "cpu" property which should refer to the
nios2 cpu and set by the board that connects VIC.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-5-amir.gonnen@neuroblade.ai>
[rth: Split out nios2_vic.h]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-60-richard.henderson@linaro.org>
Users requiring FIPS support must build QEMU with either the libgcrypt
or gnutls libraries as the crytography backend.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Add support for the TCG GICv4 to the virt board. For the board,
the GICv4 is very similar to the GICv3, with the only difference
being the size of the redistributor frame. The changes here are thus:
* calculating virt_redist_capacity correctly for GICv4
* changing various places which were "if GICv3" to be "if not GICv2"
* the commandline option handling
Note that using GICv4 reduces the maximum possible number of CPUs on
the virt board from 512 to 317, because we can now only fit half as
many redistributors into the redistributor regions we have defined.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-42-peter.maydell@linaro.org
In several places in virt.c we calculate the number of redistributors that
fit in a region of our memory map, which is the size of the region
divided by the size of a single redistributor frame. For GICv4, the
redistributor frame is a different size from that for GICv3. Abstract
out the calculation of redistributor region capacity so that we have
one place we need to change to handle GICv4 rather than several.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-41-peter.maydell@linaro.org
The CPU interface changes to support vLPIs are fairly minor:
in the parts of the code that currently look at the list registers
to determine the highest priority pending virtual interrupt, we
must also look at the highest priority pending vLPI. To do this
we change hppvi_index() to check the vLPI and return a special-case
value if that is the right virtual interrupt to take. The callsites
(which handle HPPIR and IAR registers and the "raise vIRQ and vFIQ
lines" code) then have to handle this special-case value.
This commit includes two interfaces with the as-yet-unwritten
redistributor code:
* the new GICv3CPUState::hppvlpi will be set by the redistributor
(in the same way as the existing hpplpi does for physical LPIs)
* when the CPU interface acknowledges a vLPI it needs to set it
to non-pending; the new gicv3_redist_vlpi_pending() function
(which matches the existing gicv3_redist_lpi_pending() used
for physical LPIs) is a stub that will be filled in later
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-26-peter.maydell@linaro.org
Implement the new GICv4 redistributor registers: GICR_VPROPBASER
and GICR_VPENDBASER; for the moment we implement these as simple
reads-as-written stubs, together with the necessary migration
and reset handling.
We don't put ID-register checks on the handling of these registers,
because they are all in the only-in-v4 extra register frames, so
they're not accessible in a GICv3.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-24-peter.maydell@linaro.org
