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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We also need to ensure we install clang as it is
used for those builds as well.
It would be nice to port this to lcitool but for now this will do.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-24-alex.bennee@linaro.org>
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Flatten into a single dockerfile and update to match the rest of the
test cross compile dockerfiles.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-23-alex.bennee@linaro.org>
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It's becoming harder to maintain a cross-compiler to test this host
architecture as the old stable Debian 10 ("Buster") moved into LTS
which supports fewer architectures. For now:
- mark it's deprecation in the docs
- downgrade the containers to build TCG tests only
- drop the cross builds from our CI
Users with an appropriate toolchain and user-space can still take
their chances building it.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-22-alex.bennee@linaro.org>
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The custom runner is now using 22.04 so we can drop our hacks to deal
with broken libssh and glusterfs. The provisioning scripts will be
updated in a separate commit.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-21-alex.bennee@linaro.org>
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The project has reached the magic size at which we see
/usr/aarch64-linux-gnu/lib/libc.a(init-first.o): in function `__libc_init_first':
(.text+0x10): relocation truncated to fit: R_AARCH64_LD64_GOTPAGE_LO15 against \
symbol `__environ' defined in .bss section in /usr/aarch64-linux-gnu/lib/libc.a(environ.o)
/usr/bin/ld: (.text+0x10): warning: too many GOT entries for -fpic, please recompile with -fPIC
The bug has been reported upstream, but in the meantime there is
nothing we can do except build a non-pie executable.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220823210329.1969895-1-richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-20-alex.bennee@linaro.org>
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This is working around current limitation of Meson's handling of
--disable-pie.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-19-alex.bennee@linaro.org>
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It's still based on Fedora 30 - which is not supported anymore by QEMU
since years. Seems like nobody is using (and refreshing) this, and it's
easier to test this via a container anyway, so let's remove this now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220822175317.190551-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220914155950.804707-18-alex.bennee@linaro.org>
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We missed removing this dependency when we flattened the build.
Fixes 9e19fd7d4a (tests/docker: update debian-amd64 with lcitool)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-17-alex.bennee@linaro.org>
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We missed removing this dependency when we flattened the build.
Fixes: 39ce923732 (gitlab: enable a very minimal build with the tricore container)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-16-alex.bennee@linaro.org>
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Flatten into a single dockerfile. We really don't need the rest of the
stuff from the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-15-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-14-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-13-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-12-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-11-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-10-alex.bennee@linaro.org>
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Update to the latest stable Debian. While we are at it flatten into a
single dockerfile. We really don't need the rest of the stuff from
the QEMU base image just to compile test images.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-9-alex.bennee@linaro.org>
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We should be aiming to keep our tests under 2 minutes so lets reduce
the default timeout to that. Tests that we know take longer should
explicitly set a longer timeout.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-8-alex.bennee@linaro.org>
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The SDK tests take a lot longer to run and hence need a longer
timeout. As they run well over the 60 second maximum for CI lets also
disable them for CI as well.
I suspect they also suffer from the inability to detect the login
prompt due to no newlines being processed.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-7-alex.bennee@linaro.org>
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We don't want to rely on the soon to be reduced default time. These
tests are still slow for something we want to run in CI though.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-6-alex.bennee@linaro.org>
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We don't want to rely on the soon to be reduced default time. These
tests are still slow for something we want to run in CI though.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-5-alex.bennee@linaro.org>
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We don't want to rely on the soon to be reduced default time. These
tests are still slow for something we want to run in CI though.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-4-alex.bennee@linaro.org>
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The assets that this test tries to download have been removed from the
server. Update to a newer version to get it working again.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220829080940.110831-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220914155950.804707-3-alex.bennee@linaro.org>
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We already limit the scope of the cross system build to reduce the
cross build times. With the recent addition of more targets we are
also running into timeout issues for some of the cross user builds.
I've selected a few of those linux-user targets which are less likely
to be in common use as distros don't have pre-built rootfs for them.
I've also added the same CROSS_SKIP_TARGETS variable as is
occasionally used to further limit cross system builds.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-2-alex.bennee@linaro.org>
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HMP pull 2022-09-15
A set of 3 small additions/fixes.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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# gpg: Signature made Thu 15 Sep 2022 10:19:26 EDT
# gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7
* tag 'pull-hmp-20220915a' of https://gitlab.com/dagrh/qemu:
hmp: Fix ordering of text
monitor/hmp: print trace as option in help for log command
monitor: Support specified vCPU registers
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Convert m68k to semihosting/syscalls.h.
Convert nios2 to semihosting/syscalls.h.
Allow optional use of semihosting from userspace.
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# gpg: Signature made Wed 14 Sep 2022 09:21:51 EDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-semi-20220914' of https://gitlab.com/rth7680/qemu:
target/riscv: Honour -semihosting-config userspace=on and enable=on
target/xtensa: Honour -semihosting-config userspace=on
target/nios2: Honour -semihosting-config userspace=on
target/mips: Honour -semihosting-config userspace=on
target/m68k: Honour -semihosting-config userspace=on
target/arm: Honour -semihosting-config userspace=on
semihosting: Allow optional use of semihosting from userspace
target/m68k: Convert semihosting errno to gdb remote errno
target/m68k: Use semihosting/syscalls.h
target/nios2: Convert semihosting errno to gdb remote errno
target/nios2: Use semihosting/syscalls.h
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Add cortex-a35.
Fix bcm2835 framebuffer for rpi firmware.
Add FEAT_ETS.
Add FEAT_PMUv3p5.
Cleanups to armv7m_load_kernel.
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# gpg: Signature made Wed 14 Sep 2022 07:50:35 EDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-arm-20220914' of https://gitlab.com/rth7680/qemu:
target/arm: Make boards pass base address to armv7m_load_kernel()
target/arm: Remove useless TARGET_BIG_ENDIAN check in armv7m_load_kernel()
target/arm: Report FEAT_PMUv3p5 for TCG '-cpu max'
target/arm: Support 64-bit event counters for FEAT_PMUv3p5
target/arm: Implement FEAT_PMUv3p5 cycle counter disable bits
target/arm: Rename pmu_8_n feature test functions
target/arm: Detect overflow when calculating next PMU interrupt
target/arm: Honour MDCR_EL2.HPMD in Secure EL2
target/arm: Ignore PMCR.D when PMCR.LC is set
target/arm: Don't mishandle count when enabling or disabling PMU counters
target/arm: Correct value returned by pmu_counter_mask()
target/arm: Don't corrupt high half of PMOVSR when cycle counter overflows
target/arm: Add missing space in comment
target/arm: Advertise FEAT_ETS for '-cpu max'
target/arm: Implement ID_DFR1
target/arm: Implement ID_MMFR5
target/arm: Sort KVM reads of AArch32 ID registers into encoding order
target/arm: Make cpregs 0, c0, c{3-15}, {0-7} correctly RAZ in v8
hw/arm/bcm2835_property: Add support for RPI_FIRMWARE_FRAMEBUFFER_GET_NUM_DISPLAYS
target/arm: Add cortex-a35
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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https://github.com/stefanberger/qemu-tpm into staging
Merge tpm 2022/09/13 v1
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# gpg: Signature made Tue 13 Sep 2022 12:49:38 EDT
# gpg: using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211
* tag 'tpm-pull-2022-09-13-1' of https://github.com/stefanberger/qemu-tpm:
tpm_emulator: Have swtpm relock storage upon migration fall-back
tpm_emulator: Use latest tpm_ioctl.h from swtpm project
tpm_crb: Avoid backend startup just before shutdown under Xen
tpm_emulator: Avoid double initialization during migration
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Fix the ordering of the help text so it's always after the commands
being defined. A few had got out of order. Keep 'info' at the end.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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The below is printed when printing help information in qemu-system-x86_64
command line, and when CONFIG_TRACE_LOG is enabled:
----------------------------
$ qemu-system-x86_64 -d help
... ...
trace:PATTERN enable trace events
Use "-d trace:help" to get a list of trace events.
----------------------------
However, the options of "trace:PATTERN" are only printed by
"qemu-system-x86_64 -d help", but missing in hmp "help log" command.
Fixes: c84ea00dc2 ("log: add "-d trace:PATTERN"")
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Message-Id: <20220831213943.8155-1-dongli.zhang@oracle.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Originally we have to get all the vCPU registers and parse the
specified one. To improve the performance of this usage, allow user
specified vCPU id to query registers.
Run a VM with 16 vCPU, use bcc tool to track the latency of
'hmp_info_registers':
'info registers -a' uses about 3ms;
'info registers 12' uses about 150us.
Cc: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20220802073720.1236988-2-pizhenwei@bytedance.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Currently armv7m_load_kernel() takes the size of the block of memory
where it should load the initial guest image, but assumes that it
should always load it at address 0. This happens to be true of all
our M-profile boards at the moment, but it isn't guaranteed to always
be so: M-profile CPUs can be configured (via init-svtor and
init-nsvtor, which match equivalent hardware configuration signals)
to have the initial vector table at any address, not just zero. (For
instance the Teeny board has the boot ROM at address 0x0200_0000.)
Add a base address argument to armv7m_load_kernel(), so that
callers now pass in both base address and size. All the current
callers pass 0, so this is not a behaviour change.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220823160417.3858216-3-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Arm system emulation targets always have TARGET_BIG_ENDIAN clear, so
there is no need to have handling in armv7m_load_kernel() for the
case when it is defined. Remove the unnecessary code.
Side notes:
* our M-profile implementation is always little-endian (that is, it
makes the IMPDEF choice that the read-only AIRCR.ENDIANNESS is 0)
* if we did want to handle big-endian ELF files here we should do it
the way that hw/arm/boot.c:arm_load_elf() does, by looking at the
ELF header to see what endianness the file itself is
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220823160417.3858216-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Update the ID registers for TCG's '-cpu max' to report a FEAT_PMUv3p5
compliant PMU.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-11-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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With FEAT_PMUv3p5, the event counters are now 64 bit, rather than 32
bit. (Previously, only the cycle counter could be 64 bit, and other
event counters were always 32 bits). For any given event counter,
whether the overflow event is noted for overflow from bit 31 or from
bit 63 is controlled by a combination of PMCR.LP, MDCR_EL2.HLP and
MDCR_EL2.HPMN.
Implement the 64-bit event counter handling. We choose to make our
counters always 64 bits, and mask out the top 32 bits on read or
write of PMXEVCNTR for CPUs which don't have FEAT_PMUv3p5.
(Note that the changes to pmenvcntr_op_start() and
pmenvcntr_op_finish() bring their logic closer into line with that of
pmccntr_op_start() and pmccntr_op_finish(), which already had to cope
with the overflow being either at 32 or 64 bits.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-10-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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FEAT_PMUv3p5 introduces new bits which disable the cycle
counter from counting:
* MDCR_EL2.HCCD disables the counter when in EL2
* MDCR_EL3.SCCD disables the counter when Secure
Add the code to support these bits.
(Note that there is a third documented counter-disable
bit, MDCR_EL3.MCCD, which disables the counter when in
EL3. This is not present until FEAT_PMUv3p7, so is
out of scope for now.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-9-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Our feature test functions that check the PMU version are named
isar_feature_{aa32,aa64,any}_pmu_8_{1,4}. This doesn't match the
current Arm ARM official feature names, which are FEAT_PMUv3p1 and
FEAT_PMUv3p4. Rename these functions to _pmuv3p1 and _pmuv3p4.
This commit was created with:
sed -i -e 's/pmu_8_/pmuv3p/g' target/arm/*.[ch]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-8-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In pmccntr_op_finish() and pmevcntr_op_finish() we calculate the next
point at which we will get an overflow and need to fire the PMU
interrupt or set the overflow flag. We do this by calculating the
number of nanoseconds to the overflow event and then adding it to
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL). However, we don't check
whether that signed addition overflows, which can happen if the next
PMU interrupt would happen massively far in the future (250 years or
more).
Since QEMU assumes that "when the QEMU_CLOCK_VIRTUAL rolls over" is
"never", the sensible behaviour in this situation is simply to not
try to set the timer if it would be beyond that point. Detect the
overflow, and skip setting the timer in that case.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-7-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The logic in pmu_counter_enabled() for handling the 'prohibit event
counting' bits MDCR_EL2.HPMD and MDCR_EL3.SPME is written in a way
that assumes that EL2 is never Secure. This used to be true, but the
architecture now permits Secure EL2, and QEMU can emulate this.
Refactor the prohibit logic so that we effectively OR together
the various prohibit bits when they apply, rather than trying to
construct an if-else ladder where any particular state of the CPU
ends up in exactly one branch of the ladder.
This fixes the Secure EL2 case and also is a better structure for
adding the PMUv8.5 bits MDCR_EL2.HCCD and MDCR_EL3.SCCD.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-6-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The architecture requires that if PMCR.LC is set (for a 64-bit cycle
counter) then PMCR.D (which enables the clock divider so the counter
ticks every 64 cycles rather than every cycle) should be ignored. We
were always honouring PMCR.D; fix the bug so we correctly ignore it
in this situation.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-5-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The PMU cycle and event counter infrastructure design requires that
operations on the PMU register fields are wrapped in pmu_op_start()
and pmu_op_finish() calls (or their more specific pmmcntr and
pmevcntr equivalents). This includes any changes to registers which
affect whether the counter should be enabled or disabled, but we
forgot to do this.
The effect of this bug is that in sequences like:
* disable the cycle counter (PMCCNTR) using the PMCNTEN register
* write a value such as 0xfffff000 to the PMCCNTR
* restart the counter by writing to PMCNTEN
the value written to the cycle counter is corrupted, and it starts
counting from the wrong place. (Essentially, we fail to record that
the QEMU_CLOCK_VIRTUAL timestamp when the counter should be considered
to have started counting is the point when PMCNTEN is written to enable
the counter.)
Add the necessary bracketing calls, so that updates to the various
registers which affect whether the PMU is counting are handled
correctly.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-4-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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pmu_counter_mask() accidentally returns a value with bits [63:32]
set, because the expression it returns is evaluated as a signed value
that gets sign-extended to 64 bits. Force the whole expression to be
evaluated with 64-bit arithmetic with ULL suffixes.
The main effect of this bug was that a guest could write to the bits
in the high half of registers like PMCNTENSET_EL0 that are supposed
to be RES0.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-3-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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When the cycle counter overflows, we are intended to set bit 31 in PMOVSR
to indicate this. However a missing ULL suffix means that we end up
setting all of bits 63-31. Fix the bug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Fix a missing space before a comment terminator.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-7-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The architectural feature FEAT_ETS (Enhanced Translation
Synchronization) is a set of tightened guarantees about memory
ordering involving translation table walks:
* if memory access RW1 is ordered-before memory access RW2 then it
is also ordered-before any translation table walk generated by RW2
that generates a translation fault, address size fault or access
fault
* TLB maintenance on non-exec-permission translations is guaranteed
complete after a DSB (ie it does not need the context
synchronization event that you have to have if you don’t have
FEAT_ETS)
For QEMU’s implementation we don’t reorder translation table walk
accesses, and we guarantee to finish the TLB maintenance as soon as
the TLB op is done (the tlb_flush functions will complete at the end
of the TLB, and TLB ops always end the TB because they’re sysreg
writes).
So we’re already compliant and all we need to do is say so in the ID
registers for the 'max' CPU.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-6-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In Armv8.6, a new AArch32 ID register ID_DFR1 is defined; implement
it. We don't have any CPUs with features that they need to advertise
here yet, but plumbing in the ID register gives it the right name
when debugging and will help in future when we do add a CPU that
has non-zero ID_DFR1 fields.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-5-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In Armv8.6 a new AArch32 ID register ID_MMFR5 is defined.
Implement this; we want to be able to use it to report to
the guest that we implement FEAT_ETS.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-4-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The code that reads the AArch32 ID registers from KVM in
kvm_arm_get_host_cpu_features() does so almost but not quite in
encoding order. Move the read of ID_PFR2 down so it's really in
encoding order.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-3-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In the AArch32 ID register scheme, coprocessor registers with
encoding cp15, 0, c0, c{0-7}, {0-7} are all in the space covered by
what in v6 and v7 was called the "CPUID scheme", and are supposed to
RAZ if they're not allocated to a specific ID register. For our
pre-v8 CPUs we get this right, because the regdefs in
id_pre_v8_midr_cp_reginfo[] cover these RAZ requirements. However
for v8 we failed to put in the necessary patterns to cover this, so
we end up UNDEFing on everything we didn't have an ID register for.
This is a problem because in Armv8 some encodings in 0, c0, c3, {0-7}
are now being used for new ID registers, and guests might thus start
trying to read them. (We already have one of these: ID_PFR2.)
For v8 CPUs, we already have regdefs for 0, c0, c{0-2}, {0-7} (that
is, the space is completely allocated with no reserved spaces). Add
entries to v8_idregs[] covering 0, c0, c3, {0-7}:
* c3, {0-2} is the reserved AArch32 space corresponding to the
AArch64 MVFR[012]_EL1
* c3, {3,5,6,7} are reserved RAZ for both AArch32 and AArch64
(in fact some of these are given defined meanings in Armv8.6,
but we don't implement them yet)
* c3, 4 is ID_PFR2 (already defined)
We then programmatically add RAZ patterns for AArch32 for
0, c0, c{4..15}, {0-7}:
* c4-c7 are unused, and not shared with AArch64 (these
are the encodings corresponding to where the AArch64
specific ID registers live in the system register space)
* c8-c15 weren't required to RAZ in v6/v7, but v8 extends
the AArch32 reserved-should-RAZ space to cover these;
the equivalent area of the AArch64 sysreg space is not
defined as must-RAZ
Note that the architecture allows some registers in this space
to return an UNKNOWN value; we always return 0.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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RPI_FIRMWARE_FRAMEBUFFER_GET_NUM_DISPLAYS
In more recent Raspbian OS Linux kernels, the fb driver gives up
immediately if RPI_FIRMWARE_FRAMEBUFFER_GET_NUM_DISPLAYS fails or no
displays are reported.
This change simply always reports one display. It makes bcm2835_fb work
again with these more recent kernels.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Enrik Berkhan <Enrik.Berkhan@inka.de>
Message-Id: <20220812143519.59134-1-Enrik.Berkhan@inka.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Add cortex A35 core and enable it for virt board.
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220819002015.1663247-1-wuhaotsh@google.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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