Commit Graph

116666 Commits

Author SHA1 Message Date
Nabih Estefan ab4b56d981 hw/net/npcm_gmac: Change error log to trace event
Convert the LOG_GUEST_ERROR for the "tx descriptor is owned
by software" to a trace message. This condition is normal
when there is there is nothing to transmit, and we would
otherwise spam the logs with it in that situation.

Signed-off-by: Nabih Estefan <nabihestefan@google.com>
Signed-off-by: Roque Arcudia Hernandez <roqueh@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20241014184847.1594056-1-roqueh@google.com
[PMM: tweaked commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:10:00 +00:00
Bernhard Beschow 3647dca9fb hw/sensor/tmp105: Convert printf() to trace event, add tracing for read/write access
printf() unconditionally prints to the console which disturbs `-serial stdio`.
Fix that by converting into a trace event. While at it, add some tracing for
read and write access.

Fixes: 7e7c5e4c1b "Nokia N800 machine support (ARM)."
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20241103143330.123596-5-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:10:00 +00:00
Bernhard Beschow fe06088b3c hw/watchdog/wdt_imx2: Remove redundant assignment
The same statement is executed unconditionally right before the if statement.

Cc: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241103143330.123596-4-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:10:00 +00:00
Bernhard Beschow afd431e45a hw/timer/imx_gpt: Convert DPRINTF to trace events
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20241103143330.123596-3-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:09:59 +00:00
Bernhard Beschow e8217c573f hw/rtc/ds1338: Trace send and receive operations
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20241103143330.123596-2-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:09:59 +00:00
Richard Henderson a5c02408c1 disas: Fix build against Capstone v6 (again)
Like 9971cbac2f, which set CAPSTONE_AARCH64_COMPAT_HEADER,
also set CAPSTONE_SYSTEMZ_COMPAT_HEADER.  Fixes the build
against capstone v6-alpha.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-id: 20241022013047.830273-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:09:59 +00:00
Peter Maydell e6b2fa1b81 target/arm: Fix SVE SDOT/UDOT/USDOT (4-way, indexed)
Our implementation of the indexed version of SVE SDOT/UDOT/USDOT got
the calculation of the inner loop terminator wrong.  Although we
correctly account for the element size when we calculate the
terminator for the first iteration:
   intptr_t segend = MIN(16 / sizeof(TYPED), opr_sz_n);
we don't do that when we move it forward after the first inner loop
completes.  The intention is that we process the vector in 128-bit
segments, which for a 64-bit element size should mean (1, 2), (3, 4),
(5, 6), etc.  This bug meant that we would iterate (1, 2), (3, 4, 5,
6), (7, 8, 9, 10) etc and apply the wrong indexed element to some of
the operations, and also index off the end of the vector.

You don't see this bug if the vector length is small enough that we
don't need to iterate the outer loop, i.e.  if it is only 128 bits,
or if it is the 64-bit special case from AA32/AA64 AdvSIMD.  If the
vector length is 256 bits then we calculate the right results for the
elements in the vector but do index off the end of the vector. Vector
lengths greater than 256 bits see wrong answers. The instructions
that produce 32-bit results behave correctly.

Fix the recalculation of 'segend' for subsequent iterations, and
restore a version of the comment that was lost in the refactor of
commit 7020ffd656 that explains why we only need to clamp segend to
opr_sz_n for the first iteration, not the later ones.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2595
Fixes: 7020ffd656 ("target/arm: Macroize helper_gvec_{s,u}dot_idx_{b,h}")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241101185544.2130972-1-peter.maydell@linaro.org
2024-11-05 10:09:58 +00:00
Peter Maydell efbe180ad2 target/arm: Add new MMU indexes for AArch32 Secure PL1&0
Our current usage of MMU indexes when EL3 is AArch32 is confused.
Architecturally, when EL3 is AArch32, all Secure code runs under the
Secure PL1&0 translation regime:
 * code at EL3, which might be Mon, or SVC, or any of the
   other privileged modes (PL1)
 * code at EL0 (Secure PL0)

This is different from when EL3 is AArch64, in which case EL3 is its
own translation regime, and EL1 and EL0 (whether AArch32 or AArch64)
have their own regime.

We claimed to be mapping Secure PL1 to our ARMMMUIdx_EL3, but didn't
do anything special about Secure PL0, which meant it used the same
ARMMMUIdx_EL10_0 that NonSecure PL0 does.  This resulted in a bug
where arm_sctlr() incorrectly picked the NonSecure SCTLR as the
controlling register when in Secure PL0, which meant we were
spuriously generating alignment faults because we were looking at the
wrong SCTLR control bits.

The use of ARMMMUIdx_EL3 for Secure PL1 also resulted in the bug that
we wouldn't honour the PAN bit for Secure PL1, because there's no
equivalent _PAN mmu index for it.

Fix this by adding two new MMU indexes:
 * ARMMMUIdx_E30_0 is for Secure PL0
 * ARMMMUIdx_E30_3_PAN is for Secure PL1 when PAN is enabled
The existing ARMMMUIdx_E3 is used to mean "Secure PL1 without PAN"
(and would be named ARMMMUIdx_E30_3 in an AArch32-centric scheme).

These extra two indexes bring us up to the maximum of 16 that the
core code can currently support.

This commit:
 * adds the new MMU index handling to the various places
   where we deal in MMU index values
 * adds assertions that we aren't AArch32 EL3 in a couple of
   places that currently use the E10 indexes, to document why
   they don't also need to handle the E30 indexes
 * documents in a comment why regime_has_2_ranges() doesn't need
   updating

Notes for backporting: this commit depends on the preceding revert of
4c2c04746932; that revert and this commit should probably be
backported to everywhere that we originally backported 4c2c047469.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2326
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2588
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241101142845.1712482-3-peter.maydell@linaro.org
2024-11-05 10:09:58 +00:00
Peter Maydell 056c5c90c1 Revert "target/arm: Fix usage of MMU indexes when EL3 is AArch32"
This reverts commit 4c2c047469.

This commit tried to fix a problem with our usage of MMU indexes when
EL3 is AArch32, using what it described as a "more complicated
approach" where we share the same MMU index values for Secure PL1&0
and NonSecure PL1&0. In theory this should work, but the change
didn't account for (at least) two things:

(1) The design change means we need to flush the TLBs at any point
where the CPU state flips from one to the other.  We already flush
the TLB when SCR.NS is changed, but we don't flush the TLB when we
take an exception from NS PL1&0 into Mon or when we return from Mon
to NS PL1&0, and the commit didn't add any code to do that.

(2) The ATS12NS* address translate instructions allow Mon code (which
is Secure) to do a stage 1+2 page table walk for NS.  I thought this
was OK because do_ats_write() does a page table walk which doesn't
use the TLBs, so because it can pass both the MMU index and also an
ARMSecuritySpace argument we can tell the table walk that we want NS
stage1+2, not S.  But that means that all the code within the ptw
that needs to find e.g.  the regime EL cannot do so only with an
mmu_idx -- all these functions like regime_sctlr(), regime_el(), etc
would need to pass both an mmu_idx and the security_space, so they
can tell whether this is a translation regime controlled by EL1 or
EL3 (and so whether to look at SCTLR.S or SCTLR.NS, etc).

In particular, because regime_el() wasn't updated to look at the
ARMSecuritySpace it would return 1 even when the CPU was in Monitor
mode (and the controlling EL is 3).  This meant that page table walks
in Monitor mode would look at the wrong SCTLR, TCR, etc and would
generally fault when they should not.

Rather than trying to make the complicated changes needed to rescue
the design of 4c2c047469, we revert it in order to instead take the
route that that commit describes as "the most straightforward" fix,
where we add new MMU indexes EL30_0, EL30_3, EL30_3_PAN to correspond
to "Secure PL1&0 at PL0", "Secure PL1&0 at PL1", and "Secure PL1&0 at
PL1 with PAN".

This revert will re-expose the "spurious alignment faults in
Secure PL0" issue ; we'll fix it again in the next commit.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-id: 20241101142845.1712482-2-peter.maydell@linaro.org
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2024-11-05 10:09:58 +00:00
Peter Maydell bc0b360def softfloat: Remove fallback rule from pickNaN()
Now that all targets have been converted to explicitly set a NaN
propagation rule, we can remove the set of target ifdefs (which now
list every target) and clean up the references to fallback behaviour
for float_2nan_prop_none.

The "default" case in the switch will catch any remaining places
where status->float_2nan_prop_rule was not set by the target.

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: 20241025141254.2141506-22-peter.maydell@linaro.org
2024-11-05 10:09:58 +00:00
Peter Maydell ba6558461c target/rx: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly for the float_status word
used in the rx target.

This not the architecturally correct behaviour, but since this is a
no-behaviour-change patch, we leave a TODO note to that effect.

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: 20241025141254.2141506-21-peter.maydell@linaro.org
2024-11-05 10:09:57 +00:00
Peter Maydell 355e6cfb94 target/openrisc: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly for the float_status word
used in the openrisc target.

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: 20241025141254.2141506-20-peter.maydell@linaro.org
2024-11-05 10:09:57 +00:00
Peter Maydell 4fafdcc833 target/microblaze: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly for the float_status word
used in the microblaze target.

This is probably not the architecturally correct behaviour,
but since this is a no-behaviour-change patch, we leave a
TODO note to that effect.

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: 20241025141254.2141506-19-peter.maydell@linaro.org
2024-11-05 10:09:57 +00:00
Peter Maydell c18a13edce target/microblaze: Move setting of float rounding mode to reset
Although the floating point rounding mode for Microblaze is always
nearest-even, we cannot set it just once in the CPU initfn.  This is
because env->fp_status is in the part of the CPU state struct that is
zeroed on reset.

Move the call to set_float_rounding_mode() into the reset fn.

(This had no guest-visible effects because it happens that the
float_round_nearest_even enum value is 0, so when the struct was
zeroed it didn't corrupt the setting.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-18-peter.maydell@linaro.org
2024-11-05 10:09:56 +00:00
Peter Maydell 8403a5015c target/alpha: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly for the float_status word
used in this target.

This is a no-behaviour-change commit, so we retain the existing
behaviour of x87-style pick-largest-significand NaN propagation.
This is however not the architecturally correct handling, so we leave
a TODO note to that effect.

We also leave a TODO note pointing out that all this code in the cpu
initfn (including the existing setting up of env->flags and the FPCR)
should be in a currently non-existent CPU reset function.

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: 20241025141254.2141506-17-peter.maydell@linaro.org
2024-11-05 10:09:56 +00:00
Peter Maydell 62d39b28ef target/i386: Set 2-NaN propagation rule explicitly
Set the NaN propagation rule explicitly for the float_status words
used in the x86 target.

This is a no-behaviour-change commit, so we retain the existing
behaviour of using the x87-style "prefer QNaN over SNaN, then prefer
the NaN with the larger significand" for MMX and SSE.  This is
however not the documented hardware behaviour, so we leave a TODO
note about what we should be doing instead.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-16-peter.maydell@linaro.org
2024-11-05 10:09:56 +00:00
Peter Maydell 8d988eb44c target/xtensa: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly in xtensa_use_first_nan().

(When we convert the softfloat pickNaNMulAdd routine to also
select a NaN propagation rule at runtime, we will be able to
remove the use_first_nan flag because the propagation rules
will handle everything.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-15-peter.maydell@linaro.org
2024-11-05 10:09:55 +00:00
Peter Maydell 80de5f24e0 target/xtensa: Factor out calls to set_use_first_nan()
In xtensa we currently call set_use_first_nan() in a lot of
places where we want to switch the NaN-propagation handling.
We're about to change the softfloat API we use to do that,
so start by factoring all the calls out into a single
xtensa_use_first_nan() function.

The bulk of this change was done with
 sed -i -e 's/set_use_first_nan(\([^,]*\),[^)]*)/xtensa_use_first_nan(env, \1)/'  target/xtensa/fpu_helper.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-14-peter.maydell@linaro.org
2024-11-05 10:09:55 +00:00
Peter Maydell 4482f32dcd target/sparc: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly in the float_status
words we use.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-13-peter.maydell@linaro.org
2024-11-05 10:09:55 +00:00
Peter Maydell 65c1c039cd target/sparc: Move cpu_put_fsr(env, 0) call to reset
Currently we call cpu_put_fsr(0) in sparc_cpu_realizefn(), which
initializes various fields in the CPU struct:
 * fsr_cexc_ftt
 * fcc[]
 * fsr_qne
 * fsr
It also sets the rounding mode in env->fp_status.

This is largely pointless, because when we later reset the CPU
this will zero out all the fields up until the "end_reset_fields"
label, which includes all of these (but not fp_status!)

Move the cpu_put_fsr(env, 0) call to reset, because that expresses
the logical requirement: we want to reset FSR to 0 on every reset.
This isn't a behaviour change because the fields are all zero anyway.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-12-peter.maydell@linaro.org
2024-11-05 10:09:55 +00:00
Peter Maydell ad58ba13d0 target/m68k: Initialize float_status fields in gdb set/get functions
In cf_fpu_gdb_get_reg() and cf_fpu_gdb_set_reg() we use a temporary
float_status variable to pass to floatx80_to_float64() and
float64_to_floatx80(), but we don't initialize it, meaning that those
functions could access uninitialized data.  Zero-init the structs.

(We don't need to set a NaN-propagation rule here because we
don't use these with a 2-argument fpu operation.)

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: 20241025141254.2141506-11-peter.maydell@linaro.org
2024-11-05 10:09:54 +00:00
Peter Maydell 0527cfd94c target/m68k: Explicitly set 2-NaN propagation rule
Explicitly set the 2-NaN propagation rule on env->fp_status
and on the temporary fp_status that we use in frem (since
we pass that to a division operation function).

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>
2024-11-05 10:09:54 +00:00
Peter Maydell 5aaab56a1a target/ppc: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in env->fp_status
and env->vec_status.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-9-peter.maydell@linaro.org
2024-11-05 10:09:54 +00:00
Peter Maydell 841f9d7475 target/s390x: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in env->fpu_status.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-8-peter.maydell@linaro.org
2024-11-05 10:09:54 +00:00
Peter Maydell 2915876e03 target/hppa: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in env->fp_status.

Really we only need to do this at CPU reset (after reset has zeroed
out most of the CPU state struct, which typically includes fp_status
fields).  However target/hppa does not currently implement CPU reset
at all, so leave a TODO comment to note that this could be moved if
we ever do implement reset.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-7-peter.maydell@linaro.org
2024-11-05 10:09:54 +00:00
Peter Maydell 1bb5257def target/loongarch: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in the float_status word we
use.

(There are a couple of places in fpu_helper.c where we create a
dummy float_status word with "float_status *s = { };", but these
are only used for calling float*_is_quiet_nan() so it doesn't
matter that we don't set a 2-NaN propagation rule there.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-6-peter.maydell@linaro.org
2024-11-05 10:09:54 +00:00
Peter Maydell 0c587f1339 target/mips: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in the float_status words
we use.

For active_fpu.fp_status, we do this in a new fp_reset() function
which mirrors the existing msa_reset() function in doing "first call
restore to set the fp status parts that depend on CPU state, then set
the fp status parts that are constant".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20241025141254.2141506-5-peter.maydell@linaro.org
2024-11-05 10:09:53 +00:00
Peter Maydell d1ff996788 target/arm: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in the float_status words
we use.  We wrap this plus the pre-existing setting of the
tininess-before-rounding flag in a new function
arm_set_default_fp_behaviours() to avoid repetition, since we have a
lot of float_status words at this point.

The situation with FPA11 emulation in linux-user is a little odd, and
arguably "correct" behaviour there would be to exactly match a real
Linux kernel's FPA11 emulation.  However FPA11 emulation is
essentially dead at this point and so it seems better to continue
with QEMU's current behaviour and leave a comment describing the
situation.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-4-peter.maydell@linaro.org
2024-11-05 10:09:53 +00:00
Peter Maydell d22c9949d7 tests/fp: Explicitly set 2-NaN propagation rule
Explicitly set a 2-NaN propagation rule in the softfloat tests.  In
meson.build we put -DTARGET_ARM in fpcflags, and so we should select
here the Arm propagation rule of float_2nan_prop_s_ab.

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: 20241025141254.2141506-3-peter.maydell@linaro.org
2024-11-05 10:09:53 +00:00
Peter Maydell 8a132968b2 softfloat: Allow 2-operand NaN propagation rule to be set at runtime
IEEE 758 does not define a fixed rule for which NaN to pick as the
result if both operands of a 2-operand operation are NaNs.  As a
result different architectures have ended up with different rules for
propagating NaNs.

QEMU currently hardcodes the NaN propagation logic into the binary
because pickNaN() has an ifdef ladder for different targets.  We want
to make the propagation rule instead be selectable at runtime,
because:
 * this will let us have multiple targets in one QEMU binary
 * the Arm FEAT_AFP architectural feature includes letting
   the guest select a NaN propagation rule at runtime
 * x86 specifies different propagation rules for x87 FPU ops
   and for SSE ops, and specifying the rule in the float_status
   would let us emulate this, instead of wrongly using the
   x87 rules everywhere

In this commit we add an enum for the propagation rule, the field in
float_status, and the corresponding getters and setters.  We change
pickNaN to honour this, but because all targets still leave this
field at its default 0 value, the fallback logic will pick the rule
type with the old ifdef ladder.

It's valid not to set a propagation rule if default_nan_mode is
enabled, because in that case there's no need to pick a NaN; all the
callers of pickNaN() catch this case and skip calling it.  So we can
already assert that we don't get into the "no rule defined" codepath
for our four targets which always set default_nan_mode: Hexagon,
RiscV, SH4 and Tricore, and for the one target which does not have FP
at all: avr.  These targets will not need to be updated to call
set_float_2nan_prop_rule().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-2-peter.maydell@linaro.org
2024-11-05 10:09:52 +00:00
Peter Maydell 11b8920ed2 * Remove the redundant macOS-15 CI job
* Various fixes, improvements and additions for the functional test suite
 * Restore the sh4eb target
 * Fix the OpenBSD VM test
 * Re-enable the pci-bridge device on s390x
 * Minor clean-ups / fixes for the next-cube machine
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Merge tag 'pull-request-2024-11-04' of https://gitlab.com/thuth/qemu into staging

* Remove the redundant macOS-15 CI job
* Various fixes, improvements and additions for the functional test suite
* Restore the sh4eb target
* Fix the OpenBSD VM test
* Re-enable the pci-bridge device on s390x
* Minor clean-ups / fixes for the next-cube machine

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# gpg: Signature made Mon 04 Nov 2024 13:22:12 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2024-11-04' of https://gitlab.com/thuth/qemu:
  tests/functional: Convert the OrangePi tests to the functional framework
  tests/functional: Convert BananaPi tests to the functional framework
  tests/functional: Convert the tcg_plugins test
  next-cube: remove cpu parameter from next_scsi_init()
  next-cube: fix up compilation when DEBUG_NEXT is enabled
  hw/s390x: Re-enable the pci-bridge device on s390x
  tests/functional: Fix the s390x and ppc64 tuxrun tests
  tests/vm/openbsd: Remove the "Time appears wrong" workaround
  tests/functional: Add a test for sh4eb
  Revert "Remove the unused sh4eb target"
  tests/functional: make cached asset files read-only
  tests/functional: make tuxrun disk images writable
  .gitlab-ci.d/cirrus: Remove the macos-15 job

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 17:37:59 +00:00
Peter Maydell daaf51001a SeaBIOS-hppa v17 pull request
Please pull a single commit, which updates SeaBIOS-hppa
 to version 17.
 
 If comes with some important firmware and SCSI fixes and
 prepares for futher development to support 64-bit HP-UX
 and MPE/UX in the future.
 
 New PDC functions & general enhancements:
 - Add PDC_MODEL_GET_INSTALL_KERNEL firmware call
 - Add PDC_PAT_EVENT firmware call
 - Support ENTRY_IO_BOOTOUT
 - Prefer memory-access over io-access of GSP serial port
 - Disable LMMIO_DIRECT0 range during modification
 - Small optimizations in IODC call
 
 Fixes:
 - esp-scsi: indicate acceptance of MESSAGE IN phase data
 - Avoid crash when booting without SCSI controller
 - Remove exec flag from hppa-firmware.img
 - Fix LMMIO detection for PCI cards on Astro/Elroy
 - Avoid trashing MPE IPL bootloader stack
 - HP-UX 11 64-bit saves number of RAM pages in PAGE0 at 0x33c
 - Fix return value of PDC_CACHE/PDC_CACHE_RET_SPID for space id hashing
 - Allow PDC functions to act when called in narrow mode
 - pcidevice: Use portaddr_t for io port addresses
 
 Cleanups:
 - Change default make target to "parisc"
 - Clean the "out-64" directory on "make clean"
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Merge tag 'seabios-hppa-v17-pull-request' of https://github.com/hdeller/qemu-hppa into staging

SeaBIOS-hppa v17 pull request

Please pull a single commit, which updates SeaBIOS-hppa
to version 17.

If comes with some important firmware and SCSI fixes and
prepares for futher development to support 64-bit HP-UX
and MPE/UX in the future.

New PDC functions & general enhancements:
- Add PDC_MODEL_GET_INSTALL_KERNEL firmware call
- Add PDC_PAT_EVENT firmware call
- Support ENTRY_IO_BOOTOUT
- Prefer memory-access over io-access of GSP serial port
- Disable LMMIO_DIRECT0 range during modification
- Small optimizations in IODC call

Fixes:
- esp-scsi: indicate acceptance of MESSAGE IN phase data
- Avoid crash when booting without SCSI controller
- Remove exec flag from hppa-firmware.img
- Fix LMMIO detection for PCI cards on Astro/Elroy
- Avoid trashing MPE IPL bootloader stack
- HP-UX 11 64-bit saves number of RAM pages in PAGE0 at 0x33c
- Fix return value of PDC_CACHE/PDC_CACHE_RET_SPID for space id hashing
- Allow PDC functions to act when called in narrow mode
- pcidevice: Use portaddr_t for io port addresses

Cleanups:
- Change default make target to "parisc"
- Clean the "out-64" directory on "make clean"

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# gpg: Signature made Sun 03 Nov 2024 19:58:08 GMT
# gpg:                using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg:                 aka "Helge Deller <deller@kernel.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 4544 8228 2CD9 10DB EF3D  25F8 3E5F 3D04 A7A2 4603
#      Subkey fingerprint: BCE9 123E 1AD2 9F07 C049  BBDE F712 B510 A23A 0F5F

* tag 'seabios-hppa-v17-pull-request' of https://github.com/hdeller/qemu-hppa:
  target/hppa: Update SeaBIOS-hppa to version 17

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 16:01:23 +00:00
Peter Maydell ee057a9f29 pull-loongarch-20241102
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Merge tag 'pull-loongarch-20241102' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20241102

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# gpg: Signature made Sat 02 Nov 2024 07:57:18 GMT
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.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: B8FF 1DA0 D2FD CB2D A09C  6C2C 40A2 FFF2 3926 3EDF

* tag 'pull-loongarch-20241102' of https://gitlab.com/gaosong/qemu:
  target/loongarch: Add steal time support on migration
  hw/loongarch/boot: Use warn_report when no kernel filename
  linux-headers: Update to Linux v6.12-rc5
  linux-headers: loongarch: Add kvm_para.h
  linux-headers: Add unistd_64.h
  target/loongarch/kvm: Implement LoongArch PMU extension
  target/loongarch: Implement lbt registers save/restore function
  target/loongarch: Add loongson binary translation feature

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 16:01:10 +00:00
Thomas Huth 380f7268b7 tests/functional: Convert the OrangePi tests to the functional framework
Move the OrangePi tests from tests/avocado/boot_linux_console.py into
a new file dedicated for OrangePi tests in the functional framework
and update the hash sums of the assets to sha256 along the way.
For the buildroot image and the Armbian image, we've got to switch to
a newer version since the old images have been removed from the server,
and the NetBSD image has been moved to the archive, so we need to update
this URL as well.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241029092440.25021-3-thuth@redhat.com>
2024-11-04 14:16:12 +01:00
Thomas Huth f7d6b77220 tests/functional: Convert BananaPi tests to the functional framework
Move the BananaPi tests from tests/avocado/boot_linux_console.py into
a new file dedicated for Banana Pi tests in the functional framework.
Update the hash sums of the assets to sha256 along the way and fix the
broken link for the buildroot image from storage.kernelci.org.

(Note: The test_arm_bpim2u_openwrt_22_03_3 test is currently broken
due to a regression in commit 4c2c047469 ("target/arm: Fix usage of MMU
indexes when EL3 is AArch32") - it works if that commit gets reverted)

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241029092440.25021-2-thuth@redhat.com>
2024-11-04 14:16:12 +01:00
Thomas Huth 3abc545e66 tests/functional: Convert the tcg_plugins test
A straight forward conversion, only the usual changes were required
here (i.e. adjustment for asset downloading, machine selection).

Message-ID: <20241023051754.813412-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:12 +01:00
Mark Cave-Ayland f5b47c7aa2 next-cube: remove cpu parameter from next_scsi_init()
The parameter is not used.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241023085852.1061031-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Mark Cave-Ayland 39734497a3 next-cube: fix up compilation when DEBUG_NEXT is enabled
These were accidentally introduced by my last series.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241023085852.1061031-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth bc9da794cc hw/s390x: Re-enable the pci-bridge device on s390x
Commit e779e5c05a ("hw/pci-bridge: Add a Kconfig switch for the
normal PCI bridge") added a config switch for the pci-bridge, so
that the device is not included in the s390x target anymore (since
the pci-bridge is not really useful on s390x).

However, it seems like libvirt is still adding pci-bridge devices
automatically to the guests' XML definitions (when adding a PCI
device to a non-zero PCI bus), so these guests are now broken due
to the missing pci-bridge in the QEMU binary.

To avoid disruption of the users, let's re-enable the pci-bridge
device on s390x for the time being.

Message-ID: <20241024130405.62134-1-thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth e6a401d7a6 tests/functional: Fix the s390x and ppc64 tuxrun tests
I forgot to add the tests to the meson.build file and looks
like I even managed to somehow mix up the hashsums in the
ppc64 test!

Message-ID: <20241023141919.930689-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth a3c946ec88 tests/vm/openbsd: Remove the "Time appears wrong" workaround
Seems like the server now reports the right time again, so we have
to drop the workaround to get the installer working again.

Message-ID: <20241023072414.827732-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth 62728ddcba tests/functional: Add a test for sh4eb
Now that we are aware of binaries that are available for sh4eb,
we should make sure that there are no regressions with this
target and test it regularly in our CI.

Message-ID: <20241024082735.42324-3-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth 51cdb6806f Revert "Remove the unused sh4eb target"
This reverts commit 73ceb12960.

The "r2d" machine can work in big endian mode, see:

 https://lore.kernel.org/qemu-devel/d6755445-1060-48a8-82b6-2f392c21f9b9@landley.net/

So the reasoning for removing sh4eb was wrong.

Message-ID: <20241024082735.42324-2-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Rob Landley <rob@landley.net>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Daniel P. Berrangé 786bc22552 tests/functional: make cached asset files read-only
This ensures that if a functional test runs QEMU with a writable
disk pointing to a cached asset, an error will be reported, rather
than silently modifying the cache file.

As an example, tweaking test_sbsaref.py to set snapshot=off,
results in a clear error:

  Command: ./build/qemu-system-aarch64 ...snip... -drive file=/var/home/berrange/.cache/qemu/download/44cdbae275ef1bb6dab1d5fbb59473d4f741e1c8ea8a80fd9e906b531d6ad461,format=raw,snapshot=off -cpu max,pauth=off
  Output: qemu-system-aarch64: Could not open '/var/home/berrange/.cache/qemu/download/44cdbae275ef1bb6dab1d5fbb59473d4f741e1c8ea8a80fd9e906b531d6ad461': Permission denied

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241025092659.2312118-3-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Daniel P. Berrangé c9daf680d1 tests/functional: make tuxrun disk images writable
The zstd command will preserve the input archive permissions on the
output file. So when we decompress the readonly cached image, the
resulting per-test run private disk image will also be readonly.
We need it to be writable, so make it so.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241025092659.2312118-2-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth 9094f7c934 .gitlab-ci.d/cirrus: Remove the macos-15 job
Cirrus-CI stopped providing the possibility to run macOS 15 jobs.
Quoting https://cirrus-ci.org/guide/macOS/ :

 "Cirrus CI Cloud only allows ghcr.io/cirruslabs/macos-runner:sonoma image ..."

If you still try to run a Sequoia image, it gets automatically "upgraded"
to Sonoma instead. So the macos-15 job in the QEMU CI now does not
make sense anymore, thus let's remove it.

Message-ID: <20241021124722.139348-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:07 +01:00
Peter Maydell cbad455118 Migration pull request for softfreeze
v2:
 - Patch "migration: Move cpu-throttle.c from system to migration",
   fix build on MacOS, and subject spelling
 
 NOTE: checkpatch.pl could report a false positive on this branch:
 
   WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
   :
    {include/sysemu => migration}/cpu-throttle.h | 0
 
 That's covered by "F: migration/" entry.
 
 Changelog:
 
 - Peter's cleanup patch on migrate_fd_cleanup()
 - Peter's cleanup patch to introduce thread name macros
 - Hanna's error path fix for vmstate subsection save()s
 - Hyman's auto converge enhancement on background dirty sync
 - Peter's additional tracepoints for save state entries
 - Thomas's build fix for OpenBSD in dirtyrate.c
 - Peter's deprecation of query-migrationthreads command
 - Peter's cleanup/fixes from the "export misc.h" series
 - Maciej's two small patches from multifd+vfio series
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Merge tag 'migration-20241030-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request for softfreeze

v2:
- Patch "migration: Move cpu-throttle.c from system to migration",
  fix build on MacOS, and subject spelling

NOTE: checkpatch.pl could report a false positive on this branch:

  WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
  :
   {include/sysemu => migration}/cpu-throttle.h | 0

That's covered by "F: migration/" entry.

Changelog:

- Peter's cleanup patch on migrate_fd_cleanup()
- Peter's cleanup patch to introduce thread name macros
- Hanna's error path fix for vmstate subsection save()s
- Hyman's auto converge enhancement on background dirty sync
- Peter's additional tracepoints for save state entries
- Thomas's build fix for OpenBSD in dirtyrate.c
- Peter's deprecation of query-migrationthreads command
- Peter's cleanup/fixes from the "export misc.h" series
- Maciej's two small patches from multifd+vfio series

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# gpg: Signature made Fri 01 Nov 2024 13:44:53 GMT
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'migration-20241030-pull-request' of https://gitlab.com/peterx/qemu:
  migration/multifd: Zero p->flags before starting filling a packet
  migration/ram: Add load start trace event
  migration: Drop migration_is_idle()
  migration: Drop migration_is_setup_or_active()
  migration: Unexport ram_mig_init()
  migration: Unexport dirty_bitmap_mig_init()
  migration: Take migration object refcount earlier for threads
  migration: Deprecate query-migrationthreads command
  migration/dirtyrate: Silence warning about strcpy() on OpenBSD
  tests/migration: Add case for periodic ramblock dirty sync
  migration: Support periodic RAMBlock dirty bitmap sync
  migration: Remove "rs" parameter in migration_bitmap_sync_precopy
  migration: Move cpu-throttle.c from system to migration
  migration: Stop CPU throttling conditionally
  accel/tcg/icount-common: Remove the reference to the unused header file
  migration: Ensure vmstate_save() sets errp
  migration: Put thread names together with macros
  migration: Cleanup migrate_fd_cleanup() on accessing to_dst_file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 12:31:45 +00:00
Helge Deller c9d77526bd target/hppa: Update SeaBIOS-hppa to version 17
This is SeaBIOS for the hppa architecture v17.
If comes with some important firmware and SCSI fixes and
prepares for futher development to support 64-bit HP-UX
and MPE/UX in the future.

New PDC functions & general enhancements:
- Add PDC_MODEL_GET_INSTALL_KERNEL firmware call
- Add PDC_PAT_EVENT firmware call
- Support ENTRY_IO_BOOTOUT
- Prefer memory-access over io-access of GSP serial port
- Disable LMMIO_DIRECT0 range during modification
- Small optimizations in IODC call

Fixes:
- esp-scsi: indicate acceptance of MESSAGE IN phase data
- Avoid crash when booting without SCSI controller
- Remove exec flag from hppa-firmware.img
- Fix LMMIO detection for PCI cards on Astro/Elroy
- Avoid trashing MPE IPL bootloader stack
- HP-UX 11 64-bit saves number of RAM pages in PAGE0 at 0x33c
- Fix return value of PDC_CACHE/PDC_CACHE_RET_SPID for space id hashing
- Allow PDC functions to act when called in narrow mode
- pcidevice: Use portaddr_t for io port addresses

Cleanups:
- Change default make target to "parisc"
- Clean the "out-64" directory on "make clean"

Signed-off-by: Helge Deller <deller@gmx.de>
2024-11-03 20:46:06 +01:00
Peter Maydell c94bee4cd6 * target/i386: new feature bits for AMD processors
* target/i386/tcg: improvements around flag handling
 * target/i386: add AVX10 support
 * target/i386: add GraniteRapids-v2 model
 * dockerfiles: add libcbor
 * New nitro-enclave machine type
 * qom: cleanups to object_new
 * configure: detect 64-bit MIPS for rust
 * configure: deprecate 32-bit MIPS
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Merge tag 'for-upstream-i386' of https://gitlab.com/bonzini/qemu into staging

* target/i386: new feature bits for AMD processors
* target/i386/tcg: improvements around flag handling
* target/i386: add AVX10 support
* target/i386: add GraniteRapids-v2 model
* dockerfiles: add libcbor
* New nitro-enclave machine type
* qom: cleanups to object_new
* configure: detect 64-bit MIPS for rust
* configure: deprecate 32-bit MIPS

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# gpg: Signature made Thu 31 Oct 2024 17:28:36 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream-i386' of https://gitlab.com/bonzini/qemu: (49 commits)
  target/i386: Introduce GraniteRapids-v2 model
  target/i386: Add AVX512 state when AVX10 is supported
  target/i386: Add feature dependencies for AVX10
  target/i386: add CPUID.24 features for AVX10
  target/i386: add AVX10 feature and AVX10 version property
  target/i386: return bool from x86_cpu_filter_features
  target/i386: do not rely on ExtSaveArea for accelerator-supported XCR0 bits
  target/i386: cpu: set correct supported XCR0 features for TCG
  target/i386: use + to put flags together
  target/i386: use higher-precision arithmetic to compute CF
  target/i386: use compiler builtin to compute PF
  target/i386: make flag variables unsigned
  target/i386: add a note about gen_jcc1
  target/i386: add a few more trivial CCPrepare cases
  target/i386: optimize TEST+Jxx sequences
  target/i386: optimize computation of ZF from CC_OP_DYNAMIC
  target/i386: Wrap cc_op_live with a validity check
  target/i386: Introduce cc_op_size
  target/i386: Rearrange CCOp
  target/i386: remove CC_OP_CLR
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-02 16:21:38 +00:00
Bibo Mao 47b54e15bb target/loongarch: Add steal time support on migration
With pv steal time supported, VM machine needs get physical address
of each vcpu and notify new host during migration. Here two
functions kvm_get_stealtime/kvm_set_stealtime, and guest steal time
physical address is only updated on KVM_PUT_FULL_STATE stage.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240930064040.753929-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-11-02 15:45:45 +08:00