This QOMifies the SiFive UART model. Migration and reset have been
implemented.
Signed-off-by: Lukas Jünger <lukas.juenger@greensocs.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210616092326.59639-3-lukas.juenger@greensocs.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This cleans up function names in the SiFive UART model.
Signed-off-by: Lukas Jünger <lukas.juenger@greensocs.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210616092326.59639-2-lukas.juenger@greensocs.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Since commit 605def6eee ("target/riscv: Use the RISCVException enum for CSR operations")
the CSR predicate() function was changed to return RISCV_EXCP_NONE
instead of 0 for a valid CSR, but it forgot to update the dynamic
CSR XML generation codes in gdbstub.
Fixes: 605def6eee ("target/riscv: Use the RISCVException enum for CSR operations")
Reported-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210615085133.389887-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The is_32bit() check in translate.c expects a 64-bit guest to have a
64-bit misa value otherwise the macro check won't work. This patches
fixes that and fixes a Coverity issue at the same time.
Fixes: CID 1453107
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: c00176c7518c2a7b4de3eec320b6a683ab56f705.1622435221.git.alistair.francis@wdc.com
- tcg: implement the vector enhancements facility and bump the
'qemu' cpu model to a stripped-down z14 GA2
- fix psw.mask handling in signals
- fix vfio-ccw sense data handling
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Merge remote-tracking branch 'remotes/cohuck-gitlab/tags/s390x-20210621' into staging
s390x update:
- tcg: implement the vector enhancements facility and bump the
'qemu' cpu model to a stripped-down z14 GA2
- fix psw.mask handling in signals
- fix vfio-ccw sense data handling
# gpg: Signature made Mon 21 Jun 2021 10:53:00 BST
# gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg: issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg: aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck-gitlab/tags/s390x-20210621: (37 commits)
s390x/css: Add passthrough IRB
s390x/css: Refactor IRB construction
s390x/css: Split out the IRB sense data
s390x/css: Introduce an ESW struct
linux-user/s390x: Save and restore psw.mask properly
target/s390x: Use s390_cpu_{set_psw, get_psw_mask} in gdbstub
target/s390x: Improve s390_cpu_dump_state vs cc_op
target/s390x: Do not modify cpu state in s390_cpu_get_psw_mask
target/s390x: Expose load_psw and get_psw_mask to cpu.h
configure: Check whether we can compile the s390-ccw bios with -msoft-float
s390x/cpumodel: Bump up QEMU model to a stripped-down IBM z14 GA2
s390x/tcg: We support Vector enhancements facility
linux-user: elf: s390x: Prepare for Vector enhancements facility
s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)
s390x/tcg: Implement VECTOR FP NEGATIVE MULTIPLY AND (ADD|SUBTRACT)
s390x/tcg: Implement 32/128 bit for VECTOR FP MULTIPLY AND (ADD|SUBTRACT)
s390x/tcg: Implement 32/128 bit for VECTOR FP TEST DATA CLASS IMMEDIATE
s390x/tcg: Implement 32/128 bit for VECTOR FP PERFORM SIGN OPERATION
s390x/tcg: Implement 128 bit for VECTOR FP LOAD ROUNDED
s390x/tcg: Implement 64 bit for VECTOR FP LOAD LENGTHENED
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Moves QMP-related tools not used for build or automatic testing from
scripts/ to python/qemu/qmp/ where they will be protected from bitrot by
the check-python-* CI jobs.
stub forwarders are left in the old locations for now.
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Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into staging
Python Pull request
Moves QMP-related tools not used for build or automatic testing from
scripts/ to python/qemu/qmp/ where they will be protected from bitrot by
the check-python-* CI jobs.
stub forwarders are left in the old locations for now.
# gpg: Signature made Sat 19 Jun 2021 00:02:40 BST
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E
* remotes/jsnow-gitlab/tags/python-pull-request: (72 commits)
scripts/qmp-shell: add redirection shim
python: add qmp-shell entry point
scripts/qmp-shell: move to python/qemu/qmp/qmp_shell.py
scripts/qmp-shell: add docstrings
scripts/qmp-shell: make QMPShellError inherit QMPError
scripts/qmp-shell: remove double-underscores
scripts/qmp-shell: convert usage comment to docstring
scripts/qmp-shell: Remove too-broad-exception
scripts/qmp-shell: Fix empty-transaction invocation
scripts/qmp-shell: remove TODO
scripts/qmp-shell: use logging to show warnings
scripts/qmp-shell: Use context manager instead of atexit
python/qmp: return generic type from context manager
scripts/qmp-shell: unprivatize 'pretty' property
scripts/qmp-shell: Accept SocketAddrT instead of string
scripts/qmp-shell: add mypy types
python/qmp: add QMPObject type alias
scripts/qmp-shell: initialize completer early
scripts/qmp-shell: refactor QMPCompleter
scripts/qmp-shell: Fix "FuzzyJSON" parser
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Features:
* Add ratelimit for bus locks acquired in guest (Chenyi Qiang)
Documentation:
* SEV documentation updates (Tom Lendacky)
* Add a table showing x86-64 ABI compatibility levels (Daniel P. Berrangé)
Automated changes:
* Update Linux headers to 5.13-rc4 (Eduardo Habkost)
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Merge remote-tracking branch 'remotes/ehabkost-gl/tags/x86-next-pull-request' into staging
x86 queue, 2021-06-18
Features:
* Add ratelimit for bus locks acquired in guest (Chenyi Qiang)
Documentation:
* SEV documentation updates (Tom Lendacky)
* Add a table showing x86-64 ABI compatibility levels (Daniel P. Berrangé)
Automated changes:
* Update Linux headers to 5.13-rc4 (Eduardo Habkost)
# gpg: Signature made Fri 18 Jun 2021 20:51:26 BST
# gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg: issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost-gl/tags/x86-next-pull-request:
scripts: helper to generate x86_64 CPU ABI compat info
docs: add a table showing x86-64 ABI compatibility levels
docs/interop/firmware.json: Add SEV-ES support
docs: Add SEV-ES documentation to amd-memory-encryption.txt
doc: Fix some mistakes in the SEV documentation
i386: Add ratelimit for bus locks acquired in guest
Update Linux headers to 5.13-rc4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We want the ARM maintainers and the qemu-arm@ list to be
notified when this file is modified. Add an entry to the
'ARM TCG CPUs' section in the MAINTAINERS file.
Acked-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210526170432.343588-2-philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Wire in the subchannel callback for building the IRB
ESW and ECW space for passthrough devices, and copy
the hardware's ESW into the IRB we are building.
If the hardware presented concurrent sense, then copy
that sense data into the IRB's ECW space.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210617232537.1337506-5-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Currently, all subchannel types have "sense data" copied into
the IRB.ECW space, and a couple flags enabled in the IRB.SCSW
and IRB.ESW. But for passthrough (vfio-ccw) subchannels,
this data isn't populated in the first place, so enabling
those flags leads to unexpected behavior if the guest tries to
process the sense data (zeros) in the IRB.ECW.
Let's add a subchannel callback that builds these portions of
the IRB, and move the existing code into a routine for those
virtual subchannels. The passthrough subchannels will be able
to piggy-back onto this later.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210617232537.1337506-4-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's move this logic into its own routine,
so it can be reused later.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210617232537.1337506-3-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The Interrupt Response Block is comprised of several other
structures concatenated together, but only the 12-byte
Subchannel-Status Word (SCSW) is defined as a proper struct.
Everything else is a simple array of 32-bit words.
Let's define a proper struct for the 20-byte Extended-Status
Word (ESW) so that we can make good decisions about the sense
data that would go into the ECW area for virtual vs
passthrough devices.
[CH: adapted ESW definition to build with mingw, as discussed]
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210617232537.1337506-2-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
At present, we're referencing env->psw.mask directly, which
fails to ensure that env->cc_op is incorporated or updated.
Use s390_cpu_{set_psw,get_psw_mask} to fix this.
Mirror the kernel's cleaning of the psw.mask in save_sigregs
and restore_sigregs. Ignore PSW_MASK_RI for now, as qemu does
not support that.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-6-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
No change in behaviour, as gdbstub was correctly written to
install and extract the cc value.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-5-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Use s390_cpu_get_psw_mask so that we print the correct
architectural value of psw.mask. Do not print cc_op
unless tcg_enabled.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-4-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We want to use this function for debugging, and debug should
not modify cpu state (even non-architectural cpu state) lest
we introduce heisenbugs.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-3-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Rename to s390_cpu_set_psw and s390_cpu_get_psw_mask at the
same time. Adjust so that they compile for user-only.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-2-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The -msoft-float switch is not available in older versions of Clang.
Since we rely on the compiler to not generate floating point instructions
unexpectedly, we block those old compilers now via a test in the configure
script. Note that for some weird reasons, the Clang compiler only complains
about the missing soft-float support if no other flags are passed via
"-Wl,..." to the linker. So we have to use "compile_object" instead of
"compile_prog" for this check.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210525142032.156989-1-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
TCG implements everything we need to run basic z14 OS+software.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-27-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Everything is wired up and all new instructions are implemented.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-26-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's check for S390_FEAT_VECTOR_ENH and set HWCAP_S390_VXRS_EXT
accordingly. Add all missing HWCAP defined in upstream Linux.
Cc: Laurent Vivier <laurent@vivier.eu>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-25-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
For IEEE functions, we can reuse the softfloat implementations. For the
other functions, implement it generically for 32bit/64bit/128bit -
carefully taking care of all weird special cases according to the tables
defined in the PoP.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-24-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
128 bit -> 64 bit, there is only a single element to process.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-19-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
64 bit -> 128 bit, there is only a single final element.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-18-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
In addition to 32/128bit variants, we also have to support the
"Signal-on-QNaN (SQ)" bit.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-16-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
In case of 128bit, we always have a single element. Add new helpers for
reading/writing 32/128 bit floats.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-14-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Fortunately, we only need the Doubleword implementation.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-13-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
... and prepare for 32/128 bit support.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-11-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Pass the m5 field via simd_data() and don't provide specialized handlers
for single-element variants.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-6-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's rework our macros and simplify. We still need helper functions in
most cases due to the different parameters types.
Next, we'll only have 32/128bit variants for vfi and vfsq, so special
case the others.
Note that for vfsq, the XxC and erm passed in the simd_data() will never be
set, resulting in the same behavior.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-5-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's simplify, reworking our handler generation, passing the whole "m5"
register content and not providing specialized handlers for "se", and
reading/writing proper float64 values using new helpers.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-4-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's use the correct name.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-3-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
In case we encounter a NaN, we have to return the smallest possible
number, corresponding to either 0 or the maximum negative number. This
seems to differ from IEEE handling as implemented in softfloat, whereby
we return the biggest possible number.
While at it, use float32_to_uint64() in the CLGEB handler.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-2-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
With commit 0280b3eb7c ("s390x/kvm: use cpu model for gscb on
compat machines"), we removed any calls to kvm_s390_get_gs()
in favour of a different mechanism.
Let's remove the unused kvm_s390_get_gs(), and with it the now
unneeded cap_gs as well.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210602125050.492500-1-cohuck@redhat.com>
Use memory_region_size() to get the MemoryRegion size,
and display it with the '0x' prefix.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210612195842.1595999-1-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
