Commit Graph

113435 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
7ffc4894a6 trace: Remove deprecated 'vcpu' field from QMP trace events
'vcpu' fields are deprecated since commit 5485e52a33
("qapi: make the vcpu parameters deprecated for 8.1"),
time to remove them.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240530071548.20074-3-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
0f910b8724 hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event
The MEM_UNPLUG_ERROR event is deprecated since commit d43f1670c7
("qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event"),
time to remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240530071548.20074-2-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Peter Maydell
a7d8244be9 hw/dma/xlnx_dpdma: Read descriptor into buffer, not into pointer-to-buffer
In fdf029762f we factored out the handling of reading and writing
DMA descriptors from guest memory.  Unfortunately we accidentally
made the descriptor-read read the descriptor into the address of the
buffer rather than into the buffer, because we didn't notice we
needed to update the arguments to the dma_memory_read() call. Before
the refactoring, "&desc" is the address of a local struct DPDMADescriptor
variable in xlnx_dpdma_start_operation(), which is the correct target
for the guest-memory-read. But after the refactoring 'desc' is the
"DPDMADescriptor *desc" argument to the new function, and so it is
already an address.

This bug is an overrun of a stack variable, since a pointer is at
most 8 bytes long and we try to read 64 bytes, as well as being
incorrect behaviour.

Pass 'desc' rather than '&desc' as the dma_memory_read() argument
to fix this.

(The same bug is not present in xlnx_dpdma_write_descriptor(),
because there we are writing the descriptor from a local struct
variable "DPDMADescriptor tmp_desc" and so passing &tmp_desc to
dma_memory_write() is correct.)

Spotted by Coverity: CID 1546649

Fixes: fdf029762f ("xlnx_dpdma: fix descriptor endianness bug")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240531124628.476938-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Thomas Weißschuh
af1cf62401 hw/misc/debugexit: use runstate API instead of plain exit()
Directly calling exit() prevents any kind of management or handling.
Instead use the corresponding runstate API.
The default behavior of the runstate API is the same as exit().

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240523-debugexit-v1-1-d52fcaf7bf8b@t-8ch.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
6ece1df966 hw/xen: Register framebuffer backend via xen_backend_init()
Align the framebuffer backend with the other legacy ones,
register it via xen_backend_init() when '-vga xenfb' is
used. It is safe because MODULE_INIT_XEN_BACKEND is called
in xen_bus_realize(), long after CLI processing initialized
the vga_interface_type variable.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20240510104908.76908-8-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
d76795ea3d hw/xen: Make XenDevOps structures const
Keep XenDevOps structures in .rodata.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20240510104908.76908-5-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
19c2d53c02 hw/xen: Constify xenstore_be::XenDevOps
XenDevOps @ops is not updated, mark it const.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20240510104908.76908-4-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
61d993d4ba hw/xen: Constify XenLegacyDevice::XenDevOps
XenDevOps @ops is not updated, mark it const.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20240510104908.76908-3-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Edgar E. Iglesias
a5bdc451c7 physmem: Replace check for RAMBlock offset 0 with xen_mr_is_memory
For xen, when checking for the first RAM (xen_memory), use
xen_mr_is_memory() rather than checking for a RAMBlock with
offset 0.

All Xen machines create xen_memory first so this has no
functional change for existing machines.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240529140739.1387692-6-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 11:53:41 +02:00
Edgar E. Iglesias
5d1c26029e physmem: Always pass offset + addr to xen_map_cache
Always pass address with offset to xen_map_cache().
This is in preparation for support for grant mappings.

Since this is within a block that checks for offset == 0,
this has no functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240529140739.1387692-5-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 11:53:38 +02:00
Edgar E. Iglesias
1be974bc26 xen: Add xen_mr_is_memory()
Add xen_mr_is_memory() to abstract away tests for the
xen_memory MR.

No functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240529140739.1387692-4-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 11:53:34 +02:00
Alex Bennée
638181a180 core/cpu-common: initialise plugin state before thread creation
Originally I tried to move where vCPU thread initialisation to later
in realize. However pulling that thread (sic) got gnarly really
quickly. It turns out some steps of CPU realization need values that
can only be determined from the running vCPU thread.

However having moved enough out of the thread creation we can now
queue work before the thread starts (at least for TCG guests) and
avoid the race between vcpu_init and other vcpu states a plugin might
subscribe to.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-6-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Alex Bennée
2fa16246dd plugins: remove special casing for cpu->realized
Now the condition variable is initialised early on we don't need to go
through hoops to avoid calling async_run_on_cpu.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-5-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Alex Bennée
39e4bc4cdf cpu-target: don't set cpu->thread_id to bogus value
The thread_id isn't valid until the threads are created. There is no
point setting it here. The only thing that cares about the thread_id
is qmp_query_cpus_fast.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-4-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Alex Bennée
a4c2735f35 cpu: move Qemu[Thread|Cond] setup into common code
Aside from the round robin threads this is all common code. By
moving the halt_cond setup we also no longer need hacks to work around
the race between QOM object creation and thread creation.

It is a little ugly to free stuff up for the round robin thread but
better it deal with its own specialises than making the other
accelerators jump through hoops.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-3-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Alex Bennée
b8a208ccf5 hw/core: expand on the alignment of CPUState
Make the relationship between CPUState, ArchCPU and cpu_env a bit
clearer in the kdoc comments.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-2-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Peter Maydell
a128c309c9 accel/kvm: Fix two lines with hard-coded tabs
In kvm-all.c, two lines have been accidentally indented with
hard-coded tabs rather than spaces. Normalise to match the rest
of the file.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20240531170952.505323-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
eeb6198ee8 accel/tcg: Move common declarations to 'internal-common.h'
'internal-target.h' is meant for target-specific declarations,
while 'internal-common.h' for common ones. Move common declarations
to it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240528145953.65398-3-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
096d9104f9 system/runstate: Remove unused 'qemu/plugin.h' header
system/runstate.c never required "qemu/plugin.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240528145953.65398-2-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Gerd Hoffmann
21d61b3943 MAINTAINERS: drop usb maintainership
Remove myself from usb entries.
Flip status to "Orphan" for entries which have nobody else listed.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-ID: <20240528083858.836262-3-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Richard Henderson
13dfa93300 util/hexdump: Remove ascii parameter from qemu_hexdump_line
Split out asciidump_line as a separate function, local to hexdump.c,
for use by qemu_hexdump.  Use "%-*s" to generate the alignment
between the hex and the ascii, rather than explicit spaces.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-3-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Richard Henderson
5837a76cd2 util/hexdump: Remove b parameter from qemu_hexdump_line
Require that the caller output the offset and increment bufptr.
Use QEMU_HEXDUMP_LINE_BYTES in vhost_vdpa_dump_config instead
of raw integer.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
c54c6a1088 disas/microblaze: Replace sprintf() by snprintf()
sprintf() is deprecated on Darwin since macOS 13.0 / XCode 14.1,
resulting in painful developper experience. Use snprintf() instead.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20240411104340.6617-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
28d5bfc098 disas/m68k: Replace sprintf() by snprintf()
sprintf() is deprecated on Darwin since macOS 13.0 / XCode 14.1,
resulting in painful developper experience. Use snprintf() instead.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240411104340.6617-2-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-04 10:02:39 +02:00
Richard Henderson
a93b4061b0 target/i386/kvm: Improve KVM_EXIT_NOTIFY warnings
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20240412073346.458116-28-richard.henderson@linaro.org>
[PMD: Fixed typo reported by Peter Maydell]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
2ad9d04492 target/arm: Replace sprintf() by snprintf()
sprintf() is deprecated on Darwin since macOS 13.0 / XCode 14.1,
resulting in painful developper experience. Use snprintf() instead.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240411104340.6617-9-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
c76b288d78 target/mips: Remove unused 'hw/misc/mips_itu.h' header
Since commit e1152f8166 ("target/mips: Remove helpers accessing
SAAR registers") this header is not needed.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20240529155216.5574-1-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
2dd3174990 target/riscv: Restrict riscv_cpu_do_interrupt() to sysemu
riscv_cpu_do_interrupt() is not reachable on user emulation.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230626232007.8933-7-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
14482b1360 target/riscv: Restrict 'rv128' machine to TCG accelerator
We only build for 32/64-bit hosts, so TCG is required for
128-bit targets.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230626232007.8933-5-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Philippe Mathieu-Daudé
7106121d26 target/riscv: Remove unused 'instmap.h' header in translate.c
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230626232007.8933-2-philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Richard Henderson
3ab42e46ac hw/ufs patches
- Add support MCQ of UFSHCI 4.0
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Merge tag 'pull-ufs-20240603' of https://gitlab.com/jeuk20.kim/qemu into staging

hw/ufs patches
- Add support MCQ of UFSHCI 4.0

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# gpg: Signature made Mon 03 Jun 2024 03:32:49 AM CDT
# gpg:                using RSA key 5017D831597C78A3D907EEF712E2204C0E5DB602
# gpg: Good signature from "Jeuk Kim <jeuk20.kim@samsung.com>" [unknown]
# gpg:                 aka "Jeuk Kim <jeuk20.kim@gmail.com>" [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: 5017 D831 597C 78A3 D907  EEF7 12E2 204C 0E5D B602

* tag 'pull-ufs-20240603' of https://gitlab.com/jeuk20.kim/qemu:
  hw/ufs: Add support MCQ of UFSHCI 4.0
  hw/ufs: Update MCQ-related fields to block/ufs.h

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-03 08:18:14 -05:00
Minwoo Im
5c079578d2 hw/ufs: Add support MCQ of UFSHCI 4.0
This patch adds support for MCQ defined in UFSHCI 4.0.  This patch
utilized the legacy I/O codes as much as possible to support MCQ.

MCQ operation & runtime register is placed at 0x1000 offset of UFSHCI
register statically with no spare space among four registers (48B):

	UfsMcqSqReg, UfsMcqSqIntReg, UfsMcqCqReg, UfsMcqCqIntReg

The maxinum number of queue is 32 as per spec, and the default
MAC(Multiple Active Commands) are 32 in the device.

Example:
	-device ufs,serial=foo,id=ufs0,mcq=true,mcq-maxq=8

Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Jeuk Kim <jeuk20.kim@samsung.com>
Message-Id: <20240528023106.856777-3-minwoo.im@samsung.com>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
2024-06-03 16:20:42 +09:00
Minwoo Im
cdba3b901a hw/ufs: Update MCQ-related fields to block/ufs.h
This patch is a prep patch for the following MCQ support patch for
hw/ufs.  This patch updated minimal mandatory fields to support MCQ
based on UFSHCI 4.0.

Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Jeuk Kim <jeuk20.kim@samsung.com>
Message-Id: <20240528023106.856777-2-minwoo.im@samsung.com>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
2024-06-03 16:20:42 +09:00
Richard Henderson
74abb45dac target-arm:
* hw/intc/arm_gic: Fix set pending of PPIs
  * hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn
  * xilinx_zynq: Add cache controller
  * xilinx_zynq: Support up to two CPU cores
  * tests/avocado: update sbsa-ref firmware
  * sbsa-ref: move to Neoverse-N2 as default
  * More decodetree conversion of A64 ASIMD insns
  * docs/system/target-arm: Re-alphabetize board list
  * Implement FEAT WFxT and enable for '-cpu max'
  * hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT
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Merge tag 'pull-target-arm-20240531' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm:
 * hw/intc/arm_gic: Fix set pending of PPIs
 * hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn
 * xilinx_zynq: Add cache controller
 * xilinx_zynq: Support up to two CPU cores
 * tests/avocado: update sbsa-ref firmware
 * sbsa-ref: move to Neoverse-N2 as default
 * More decodetree conversion of A64 ASIMD insns
 * docs/system/target-arm: Re-alphabetize board list
 * Implement FEAT WFxT and enable for '-cpu max'
 * hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT

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# gpg: Signature made Fri 31 May 2024 05:03:04 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]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240531' of https://git.linaro.org/people/pmaydell/qemu-arm: (43 commits)
  hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT
  target/arm: Implement FEAT WFxT and enable for '-cpu max'
  accel/tcg: Make TCGCPUOps::cpu_exec_halt return bool for whether to halt
  docs/system/target-arm: Re-alphabetize board list
  target/arm: Disable SVE extensions when SVE is disabled
  target/arm: Convert FCSEL to decodetree
  target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB to decodetree
  target/arm: Convert SQDMULH, SQRDMULH to decodetree
  target/arm: Tidy SQDMULH, SQRDMULH (vector)
  target/arm: Convert MLA, MLS to decodetree
  target/arm: Convert MUL, PMUL to decodetree
  target/arm: Convert SABA, SABD, UABA, UABD to decodetree
  target/arm: Convert SMAX, SMIN, UMAX, UMIN to decodetree
  target/arm: Convert SRHADD, URHADD to decodetree
  target/arm: Convert SRHADD, URHADD to gvec
  target/arm: Convert SHSUB, UHSUB to decodetree
  target/arm: Convert SHSUB, UHSUB to gvec
  target/arm: Convert SHADD, UHADD to decodetree
  target/arm: Convert SHADD, UHADD to gvec
  target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-31 11:10:10 -07:00
David Hubbard
3c3c233677 hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT
This changes the ohci validation to not assert if invalid data is fed to the
ohci controller. The poc in https://bugs.launchpad.net/qemu/+bug/1907042 and
migrated to bug #303 does the following to feed it a SETUP pid (valid)
at an EndPt of 1 (invalid - all SETUP pids must be addressed to EndPt 0):

        uint32_t MaxPacket = 64;
        uint32_t TDFormat = 0;
        uint32_t Skip = 0;
        uint32_t Speed = 0;
        uint32_t Direction = 0;  /* #define OHCI_TD_DIR_SETUP 0 */
        uint32_t EndPt = 1;
        uint32_t FuncAddress = 0;
        ed->attr = (MaxPacket << 16) | (TDFormat << 15) | (Skip << 14)
                   | (Speed << 13) | (Direction << 11) | (EndPt << 7)
                   | FuncAddress;
        ed->tailp = /*TDQTailPntr= */ 0;
        ed->headp = ((/*TDQHeadPntr= */ &td[0]) & 0xfffffff0)
                   | (/* ToggleCarry= */ 0 << 1);
        ed->next_ed = (/* NextED= */ 0 & 0xfffffff0)

qemu-fuzz also caught the same issue in #1510. They are both fixed by this
patch.

With a tiny OS[1] that boots and executes the poc the repro shows the issue:

* OS that sends USB requests to a USB mass storage device
  but sends a SETUP with EndPt = 1
* qemu 6.2.0 (Debian 1:6.2+dfsg-2ubuntu6.19)
* qemu HEAD (4e66a0854)
* Actual OHCI controller (hardware)

Command line:
qemu-system-x86_64 -m 20 \
 -device pci-ohci,id=ohci \
 -drive if=none,format=raw,id=d,file=testmbr.raw \
 -device usb-storage,bus=ohci.0,drive=d \
 --trace "usb_*" --trace "ohci_*" -D qemu.log

Results are:

 qemu 6.2.0 | qemu HEAD | actual HW
------------+-----------+----------------
 assertion  | assertion | sets stall bit

The assertion message is:

> qemu-system-x86_64: ../../hw/usb/core.c:744: usb_ep_get: Assertion `pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT' failed.
> Aborted (core dumped)

Tip: if the flags "-serial pty -serial stdio" are added to the command line
the poc outputs its USB requests like this:

> Free mem 2M ohci port0 conn FS
> setup { 80 6 0 1 0 0 8 0 }
> ED info=80000 { mps=8 en=0 d=0 } tail=c20920
>   td0 c20880 nxt=c20960 f2000000 setup cbp=c20900 be=c20907       cbp=0 be=c20907
>   td1 c20960 nxt=c20980 f3140000    in cbp=c20908 be=c2090f       cbp=0 be=c2090f
>   td2 c20980 nxt=c20920 f3080000   out cbp=0 be=0                 cbp=0 be=0
>    rx { 12 1 0 2 0 0 0 8 }
> setup { 0 5 1 0 0 0 0 0 } tx {}
> ED info=80000 { mps=8 en=0 d=0 } tail=c20880
>   td0 c20920 nxt=c20960 f2000000 setup cbp=c20900 be=c20907       cbp=0 be=c20907
>   td1 c20960 nxt=c20880 f3100000    in cbp=0 be=0                 cbp=0 be=0
> setup { 80 6 0 1 0 0 12 0 }
> ED info=80081 { mps=8 en=0 d=1 } tail=c20960
>   td0 c20880 nxt=c209c0 f2000000 setup cbp=c20920 be=c20927
>   td1 c209c0 nxt=c209e0 f3140000    in cbp=c20928 be=c20939
>   td2 c209e0 nxt=c20960 f3080000   out cbp=0 be=0qemu-system-x86_64: ../../hw/usb/core.c:744: usb_ep_get: Assertion `pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT' failed.
> Aborted (core dumped)

[1] The OS disk image has been emailed to philmd@linaro.org, mjt@tls.msk.ru,
and kraxel@redhat.com:

* testBadSetup.img.xz
* sha256: 045b43f4396de02b149518358bf8025d5ba11091e86458875339fc649e6e5ac6

Signed-off-by: David Hubbard <dmamfmgm@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: authorship and signed-off-by tag names fixed up as
 per on-list agreement]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-31 11:26:00 +01:00
Peter Maydell
a96edb687e target/arm: Implement FEAT WFxT and enable for '-cpu max'
FEAT_WFxT introduces new instructions WFIT and WFET, which are like
the existing WFI and WFE but allow the guest to pass a timeout value
in a register.  The instructions will wait for an interrupt/event as
usual, but will also stop waiting when the value of CNTVCT_EL0 is
greater than or equal to the specified timeout value.

We implement WFIT by setting up a timer to expire at the right
point; when the timer expires it sets the EXITTB interrupt, which
will cause the CPU to leave the halted state. If we come out of
halt for some other reason, we unset the pending timer.

We implement WFET as a nop, which is architecturally permitted and
matches the way we currently make WFE a nop.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240430140035.3889879-3-peter.maydell@linaro.org
2024-05-30 16:35:17 +01:00
Peter Maydell
408b2b3d9d accel/tcg: Make TCGCPUOps::cpu_exec_halt return bool for whether to halt
The TCGCPUOps::cpu_exec_halt method is called from cpu_handle_halt()
when the CPU is halted, so that a target CPU emulation can do
anything target-specific it needs to do.  (At the moment we only use
this on i386.)

The current specification of the method doesn't allow the target
specific code to do something different if the CPU is about to come
out of the halt state, because cpu_handle_halt() only determines this
after the method has returned.  (If the method called cpu_has_work()
itself this would introduce a potential race if an interrupt arrived
between the target's method implementation checking and
cpu_handle_halt() repeating the check.)

Change the definition of the method so that it returns a bool to
tell cpu_handle_halt() whether to stay in halt or not.

We will want this for the Arm target, where FEAT_WFxT wants to do
some work only for the case where the CPU is in halt but about to
leave it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240430140035.3889879-2-peter.maydell@linaro.org
2024-05-30 16:13:48 +01:00
Peter Maydell
af3f5c4f87 docs/system/target-arm: Re-alphabetize board list
The board list in target-arm.rst is supposed to be in alphabetical
order by the title text of each file (which is not the same as
alphabetical order by filename).  A few items had got out of order;
correct them.

The entry for
"Facebook Yosemite v3.5 Platform and CraterLake Server (fby35)"
remains out-of-order, because this is not its own file
but is currently part of the aspeed.rst file.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240520141421.1895138-1-peter.maydell@linaro.org
2024-05-30 16:11:52 +01:00
Marcin Juszkiewicz
daf9748ac0 target/arm: Disable SVE extensions when SVE is disabled
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2304
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-id: 20240526204551.553282-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:45:21 +01:00
Richard Henderson
fa31b7e168 target/arm: Convert FCSEL to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
44463b96d2 target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB to decodetree
These are the only instructions in the 3 source scalar class.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-33-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
f80701cb44 target/arm: Convert SQDMULH, SQRDMULH to decodetree
These are the last instructions within disas_simd_three_reg_same
and disas_simd_scalar_three_reg_same, so remove them.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
8f81dced5d target/arm: Tidy SQDMULH, SQRDMULH (vector)
We already have a gvec helper for the operations, but we aren't
using it on the aa32 neon side.  Create a unified expander for
use by both aa32 and aa64 translators.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
8db93dcd3d target/arm: Convert MLA, MLS to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
b73c7b1740 target/arm: Convert MUL, PMUL to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
5ea1b93ef7 target/arm: Convert SABA, SABD, UABA, UABD to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
41c34bccc2 target/arm: Convert SMAX, SMIN, UMAX, UMIN to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
93b7b9057d target/arm: Convert SRHADD, URHADD to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
8989b95e71 target/arm: Convert SRHADD, URHADD to gvec
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:41 +01:00
Richard Henderson
fdaf45d852 target/arm: Convert SHSUB, UHSUB to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-05-30 15:24:40 +01:00