Always use a tcg branch, instead of movcond. The movcond
was not a bad idea before PER was added, but since then
we have either 2 or 3 actions to perform on each leg of
the branch, and multiple movcond is inefficient.
Reorder the taken branch to be fallthrough of the tcg branch.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-8-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add a small helper to handle unconditional indirect jumps.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-7-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
For PER, we require a conditional call to helper_per_branch
for the conditional branch. Fold the remaining optimization
into a call to helper_goto_direct, which will take care of
the remaining gbea adjustment.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-6-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Record successful-branching, instruction-fetching, and
store-using-real-address. The other PER bits are not used
during translation. Having checked these at translation time,
we can remove runtime tests from the helpers.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-5-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Update from the PoO 14th edition.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-4-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Using exception unwind via tcg_s390_program_interrupt,
we discard the current value of psw.addr, which discards
the result of a branch.
Pass in the address of the next instruction, which may
not be sequential. Pass in ilen, which we would have
gotten from unwind and is passed to the exception handler.
Sync cc_op before the call, which we would have gotten
from unwind.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-2-richard.henderson@linaro.org>
[thuth: Silence checkpatch.pl errors]
Signed-off-by: Thomas Huth <thuth@redhat.com>
v2: add "iotests/pylintrc: allow up to 10 similar lines" to fix
check-python-minreqs
- backup: discard-source parameter
- blockcommit: Reopen base image as RO after abort
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Merge tag 'pull-block-jobs-2024-04-29-v2' of https://gitlab.com/vsementsov/qemu into staging
Block jobs patches for 2024-04-29
v2: add "iotests/pylintrc: allow up to 10 similar lines" to fix
check-python-minreqs
- backup: discard-source parameter
- blockcommit: Reopen base image as RO after abort
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 28 May 2024 06:51:08 AM PDT
# gpg: using RSA key 8B9C26CDB2FD147C880E86A1561F24C1F19F79FB
# gpg: Good signature from "Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>" [unknown]
# gpg: aka "Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.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: 8B9C 26CD B2FD 147C 880E 86A1 561F 24C1 F19F 79FB
* tag 'pull-block-jobs-2024-04-29-v2' of https://gitlab.com/vsementsov/qemu:
iotests/pylintrc: allow up to 10 similar lines
iotests: add backup-discard-source
qapi: blockdev-backup: add discard-source parameter
block/copy-before-write: create block_copy bitmap in filter node
block/copy-before-write: support unligned snapshot-discard
block/copy-before-write: fix permission
blockcommit: Reopen base image as RO after abort
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This includes AND, ORR, EOR, BIC, ORN, BSF, BIT, BIF.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-37-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-36-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-35-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These are the last instructions within handle_simd_3same_pair
so remove it.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-33-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These are the last instructions within disas_simd_three_reg_same_fp16,
so remove it.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These are the last instructions within handle_3same_float
and disas_simd_scalar_three_reg_same_fp16 so remove them.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the last instruction within disas_fp_2src,
so remove that and its subroutines.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-23-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Load and zero-extend float16 into a TCGv_i32 before
all scalar operations.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240524232121.284515-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Convert all forms (scalar, vector, scalar indexed, vector indexed),
which allows us to remove switch table entries elsewhere.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Split some routines out of translate-a64.c and translate-sve.c
that are used by both.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240524232121.284515-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
All of these insns have "if sz == '1' then UNDEFINED" in their pseudocode.
Fixes a RISU miscompare for invalid insn 0x5ef0c87a.
Fixes: 5c36d89567 ("arm/translate-a64: add all FP16 ops in simd_scalar_pairwise")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240524232121.284515-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The decode of FMOV (vector, immediate, half-precision) vs
invalid cases of MOVI are incorrect.
Fixes RISU mismatch for invalid insn 0x2f01fd31.
Fixes: 70b4e6a445 ("arm/translate-a64: add FP16 FMOV to simd_mod_imm")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240524232121.284515-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This fixes a bug in that neither PLI nor PLDW are present in ARMv6T2,
but are introduced with ARMv7 and ARMv7MP respectively.
For clarity, do not use NOP for PLD.
Note that there is no PLDW (literal). Architecturally in the
T1 encoding of "PLD (literal)" bit 5 is "(0)", which means
that it should be zero and if it is not then the behaviour
is CONSTRAINED UNPREDICTABLE (might UNDEF, NOP, or ignore the
value of the bit).
In our implementation we have patterns for both:
+ PLD 1111 1000 -001 1111 1111 ------------ # (literal)
+ PLD 1111 1000 -011 1111 1111 ------------ # (literal)
and so we effectively ignore the value of bit 5. (This is a
permitted option for this CONSTRAINED UNPREDICTABLE.) This isn't a
behaviour change in this commit, since we previously had NOP lines
for both those patterns.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240524232121.284515-3-richard.henderson@linaro.org
[PMM: adjusted commit message to note that PLD (lit) T1 bit 5
being 1 is an UNPREDICTABLE case.]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
None of the RPi boards have ADC on-board. In real life, an external ADC chip
is required to operate on analog signals.
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240512085716.222326-1-rayhan.faizel@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some of the source files for older devices use hardcoded tabs
instead of our current coding standard's required spaces.
Fix these in the following files:
- hw/arm/boot.c
- hw/char/omap_uart.c
- hw/gpio/zaurus.c
- hw/input/tsc2005.c
This commit is mostly whitespace-only changes; it also
adds curly-braces to some 'if' statements.
This addresses part of https://gitlab.com/qemu-project/qemu/-/issues/373
but some other files remain to be handled.
Signed-off-by: Tanmay Patil <tanmaynpatil105@gmail.com>
Message-id: 20240508081502.88375-1-tanmaynpatil105@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweaked commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Check the function index is in range and use an unsigned
variable to avoid the following warning with GCC 13.2.0:
[666/5358] Compiling C object libcommon.fa.p/hw_input_tsc2005.c.o
hw/input/tsc2005.c: In function 'tsc2005_timer_tick':
hw/input/tsc2005.c:416:26: warning: array subscript has type 'char' [-Wchar-subscripts]
416 | s->dav |= mode_regs[s->function];
| ~^~~~~~~~~~
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240508143513.44996-1-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed missing ')']
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In gic_cpu_read() and gic_cpu_write(), we delegate the handling of
reading and writing the Non-Secure view of the GICC_APR<n> registers
to functions gic_apr_ns_view() and gic_apr_write_ns_view().
Unfortunately we got the order of the arguments wrong, swapping the
CPU number and the register number (which the compiler doesn't catch
because they're both integers).
Most guests probably didn't notice this bug because directly
accessing the APR registers is typically something only done by
firmware when it is doing state save for going into a sleep mode.
Correct the mismatched call arguments.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Cc: qemu-stable@nongnu.org
Fixes: 51fd06e0ee ("hw/intc/arm_gic: Fix handling of GICC_APR<n>, GICC_NSAPR<n> registers")
Signed-off-by: Andrey Shumilin <shum.sdl@nppct.ru>
[PMM: Rewrote commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée<alex.bennee@linaro.org>
The value of the mp-affinity property being set in npcm7xx_realize is
always the same as the default value it would have when arm_cpu_realizefn
is called if the property is not set here. So there is no need to set
the property value in npcm7xx_realize function.
Signed-off-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240504141733.14813-1-dorjoychy111@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We wrongly encoded ID_AA64PFR1_EL1 using {3,0,0,4,2} in hvf_sreg_match[] so
we fail to get the expected ARMCPRegInfo from cp_regs hash table with the
wrong key.
Fix it with the correct encoding {3,0,0,4,1}. With that fixed, the Linux
guest can properly detect FEAT_SSBS2 on my M1 HW.
All DBG{B,W}{V,C}R_EL1 registers are also wrongly encoded with op0 == 14.
It happens to work because HVF_SYSREG(CRn, CRm, 14, op1, op2) equals to
HVF_SYSREG(CRn, CRm, 2, op1, op2), by definition. But we shouldn't rely on
it.
Cc: qemu-stable@nongnu.org
Fixes: a1477da3dd ("hvf: Add Apple Silicon support")
Signed-off-by: Zenghui Yu <zenghui.yu@linux.dev>
Reviewed-by: Alexander Graf <agraf@csgraf.de>
Message-id: 20240503153453.54389-1-zenghui.yu@linux.dev
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
