| Age | Commit message (Collapse) | Author | Files | Lines |
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Alpha, HPPA, and SH4 always use aligned addresses,
and therefore never produce accesses that cross pages.
Cc: Helge Deller <deller@gmx.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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https://github.com/hdeller/qemu-hppa into staging
HPPA floating point exception handling fixes
Fixes and improvements in the floating point exception
handling in the hppa system and user emulation.
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# gpg: Signature made Thu 22 May 2025 04:10:37 EDT
# 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 'hppa-fpe-fixup-pull-request' of https://github.com/hdeller/qemu-hppa:
target/hppa: Fix FPE exceptions
linux-user/hppa: Send proper si_code on SIGFPE exception
target/hppa: Copy instruction code into fr1 on FPU assist fault
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Implement FP exception register #1 (lower 32-bits of 64-bit fr[0]).
A proper implementation is necessary to allow the Linux kernel in
system mode and the qemu linux-user to send proper si_code values
on SIGFPE signal.
Always set the T-bit on taken exception, and merge over- and underflow
in system mode to just set overflow bit to mimic the behaviour I tested
on a physical machine.
The test program below can be used to verify correct behaviour. Note
that behaviour on SIGFPE may vary on different platforms. The program
should always detect the correct signal, but it may or may not be able
to sucessfully continue afterwards.
#define _GNU_SOURCE
#include <signal.h>
#include <stdio.h>
#include <fenv.h>
#include <float.h>
static void fpe_func(int sig, siginfo_t *i, void *v) {
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGFPE);
sigprocmask(SIG_UNBLOCK, &set, NULL);
printf("GOT signal %d with si_code %ld\n", sig, i->si_code);
}
int main(int argc, char *argv[]) {
struct sigaction action = {
.sa_sigaction = fpe_func,
.sa_flags = SA_RESTART|SA_SIGINFO };
sigaction(SIGFPE, &action, 0);
feenableexcept(FE_OVERFLOW | FE_UNDERFLOW);
double x = DBL_MIN;
return printf("%lf\n", argc > 1
? 1.7976931348623158E308*1.7976931348623158E308
: x / 10);
}
Signed-off-by: Helge Deller <deller@gmx.de>
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The hardware stores the instruction code in the lower bits of the FP
exception register #1 on FP assist traps.
This fixes the FP exception handler on Linux, as the Linux kernel uses
the value to decide on the correct signal which should be pushed into
userspace (see decode_fpu() in Linux kernel).
Signed-off-by: Helge Deller <deller@gmx.de>
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VMSTATE_CPU() is only used in 4 places and doesn't provide
much, directly inline it using VMSTATE_STRUCT().
This removes the last COMPILING_PER_TARGET in "hw/core/cpu.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250429085148.11876-1-philmd@linaro.org>
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Move the global function name to a hook on TCGCPUOps.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Combine 3 different pointer returns into one structure return.
Include a cflags field in TCGTBCPUState, not filled in by
cpu_get_tb_cpu_state, but used by all callers. This fills
a hole in the structure and is useful in some subroutines.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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For some targets, simply remove the local definition.
For other targets, move the inline definition out of line.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Initialize all instances with cpu_reset(), so that there
is no functional change.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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"exec/exec-all.h" is now fully empty, let's remove it.
Mechanical change running:
$ sed -i '/exec\/exec-all.h/d' $(git grep -wl exec/exec-all.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250424202412.91612-14-philmd@linaro.org>
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Declare probe methods in "accel/tcg/probe.h" to emphasize
they are specific to TCG accelerator.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250424202412.91612-13-philmd@linaro.org>
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Use this in do_add, do_sub, and do_ds, all of which need
add with carry-in and carry-out.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>
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Instead of having a compile-time TARGET_SUPPORTS_MTTCG definition,
have each target set the 'mttcg_supported' field in the TCGCPUOps
structure.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250405161320.76854-17-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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By directly using TCGCPUOps::guest_default_memory_order,
we don't need the TCG_GUEST_DEFAULT_MO definition anymore.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Add the TCGCPUOps::guest_default_memory_order field and have
each target initialize it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Mechanical change using:
$ sed -i -e 's,exec/cpu_ldst,accel/tcg/cpu-ldst,' \
$(git grep -l exec/cpu_ldst.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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To avoid including the huge "cpu.h" for a simple definition,
move TARGET_INSN_START_EXTRA_WORDS to "cpu-param.h".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-16-pierrick.bouvier@linaro.org>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-15-pierrick.bouvier@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-8-pierrick.bouvier@linaro.org>
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We include this header where needed. When includes set already have
ifdef CONFIG_USER_ONLY, we add it here, else, we don't condition the
include.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-5-pierrick.bouvier@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250401080938.32278-7-philmd@linaro.org>
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The implementation of cpu_mmu_index was split between cpu-common.h
and cpu-all.h, depending on CONFIG_USER_ONLY. We already have the
plumbing common to user and system mode. Using MMU_USER_IDX
requires the cpu.h for a specific target, and so is restricted to
when we're compiling per-target.
Include the new header only where needed.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The CPU_RESOLVING_TYPE definition was added in commit
0dacec874fa ("cpu: add CPU_RESOLVING_TYPE macro"), but
then added again in commit d3ae32d4d20. Remove the
duplication.
Fixes: d3ae32d4d20 ("target/hppa: Implement cpu_list")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250321184200.4329-1-philmd@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250125170125.32855-9-philmd@linaro.org>
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Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20241114011310.3615-19-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field for big-endian targets.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-3-philmd@linaro.org>
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TCGCPUOps structure makes more sense in the accelerator context
rather than hardware emulation. Move it under the accel/tcg/ scope.
Mechanical change doing:
$ sed -i -e 's,hw/core/tcg-cpu-ops.h,accel/tcg/cpu-ops.h,g' \
$(git grep -l hw/core/tcg-cpu-ops.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-11-philmd@linaro.org>
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Currently we have a compile-time shortcut where we return a hardcode
value from snan_bit_is_one() on everything except MIPS, because we
know that's the only target that needs to change
status->no_signaling_nans at runtime.
Remove the ifdef, so we always look at the status flag. This means
we must update the two targets (HPPA and SH4) that were previously
hardcoded to return true so that they set the status flag correctly.
This has no behavioural change, but will be necessary if we want to
build softfloat once for all targets.
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: 20250224111524.1101196-11-peter.maydell@linaro.org
Message-id: 20250217125055.160887-9-peter.maydell@linaro.org
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Currently we handle flushing of output denormals in uncanon_normal
always before we deal with rounding. This works for architectures
that detect tininess before rounding, but is usually not the right
place when the architecture detects tininess after rounding. For
example, for x86 the SDM states that the MXCSR FTZ control bit causes
outputs to be flushed to zero "when it detects a floating-point
underflow condition". This means that we mustn't flush to zero if
the input is such that after rounding it is no longer tiny.
At least one of our guest architectures does underflow detection
after rounding but flushing of denormals before rounding (MIPS MSA);
this means we need to have a config knob for this that is separate
from our existing tininess_before_rounding setting.
Add an ftz_detection flag. For consistency with
tininess_before_rounding, we make it default to "detect ftz after
rounding"; this means that we need to explicitly set the flag to
"detect ftz before rounding" on every existing architecture that sets
flush_to_zero, so that this commit has no behaviour change.
(This means more code change here but for the long term a less
confusing API.)
For several architectures the current behaviour is either
definitely or possibly wrong; annotate those with TODO comments.
These architectures are definitely wrong (and should detect
ftz after rounding):
* x86
* Alpha
For these architectures the spec is unclear:
* MIPS (for non-MSA)
* RX
* SH4
PA-RISC makes ftz detection IMPDEF, but we aren't setting the
"tininess before rounding" setting that we ought to.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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This is now handled by the configs/targets/*.mak fragment.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The Linux kernel turns space-register hashing off unconditionally at
bootup. That code was provided by HP at the beginning of the PA-RISC
Linux porting effort, and I don't know why it was decided then why Linux
should not use space register hashing.
32-bit HP-UX versions seem to not use space register hashing either.
But for 64-bit HP-UX versions, Sven Schnelle noticed that space register
hashing needs to be enabled and is required, otherwise the HP-UX kernel
will crash badly.
On 64-bit CPUs space register hashing is controlled by a bit in diagnose
register %dr2. Since we want to support Linux and 32- and 64-bit HP-UX,
we need to fully emulate the diagnose registers and handle specifically
the bit in %dr2.
This patch adds the code to calculate the gva memory mask based on the
space-register hashing bit in %dr2 and the PSW_W (64-bit) flag.
The value is cached in the gva_offset_mask variable in CPUArchState
and recalculated at every modification of the CPU PSW or %dr2.
Signed-off-by: Helge Deller <deller@gmx.de>
Suggested-by: Sven Schnelle <svens@stackframe.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Turn on space register hashing for 64-bit CPUs when reset.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Add 32- and 64-bit instruction decoding of the mfdiag and mtdiag
instructions which modify the diagnose registers.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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diag_getshadowregs_pa2() and diag_putshadowregs_pa2() were added in
commit 3bdf20819e68 based on some analysis of ODE code, but now they
conflict with the generic mfdiag/mtdiag instructions. I believe the
former analysis was wrong, so remove them again. Note that all diag
instructions are badly documented, so most things are based on reverse
engineering and thus may be wrong.
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 3bdf20819e68 ("target/hppa: Add diag instructions to set/restore shadow registers")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Add the diagnose registers (%dr) to the CPUArchState. Those are mostly
undocumented and control cache behaviour, memory behaviour, reset button
management and many other related internal CPU things.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Commit 20f7b890173b ("hw/hppa: Reset vCPUs calling resettable_reset()")
broke booting the Linux kernel with initrd which may have been provided
on the command line. The problem is, that the mentioned commit zeroes
out initial registers which were preset with addresses for the Linux
kernel and initrd.
Fix it by adding proper variables which are set shortly before starting
the firmware.
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 20f7b890173b ("hw/hppa: Reset vCPUs calling resettable_reset()")
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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Although the hppa_is_pa20() helper is costly due to string comparisons
in object_dynamic_cast(), it is called quite often during memory lookups
and at each start of a block of instruction translations.
Speed hppa_is_pa20() up by calling object_dynamic_cast() only once at
CPU creation and store the result in the is_pa20 of struct CPUArchState.
Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241231190620.24442-7-philmd@linaro.org>
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On reset:
"The CPU begins fetching instructions from address 0xf0000004.
This address is in PDC space."
Switch vCPUs to 32-bit mode (PSW_W bit is not set) and start
execution at address 0xf0000004.
Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241231190620.24442-6-philmd@linaro.org>
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On reset:
"All PSW bits except the M bit is reset. The M bit is set."
Commit 1a19da0da44 ("target/hppa: Fill in hppa_cpu_do_interrupt /
hppa_cpu_exec_interrupt") inadvertently set the W bit at RESET,
remove it and set the M bit.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20241231190620.24442-5-philmd@linaro.org>
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Rather than manually (and incompletely) resetting vCPUs,
call resettable_reset() which will fully reset the vCPUs.
Remove redundant assignations.
Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241231190620.24442-4-philmd@linaro.org>
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hppa_cpu_initfn() is called once when a HPPA CPU instance is
initialized, but it sets fields which should be set each time
a CPU resets. Rename it as a reset handler, having it matching
the ResettablePhases::hold() signature, and register it as
ResettableClass handler.
Since on reset the CPU registers and TLB entries are expected
to be zero, add a memset() call clearing CPUHPPAState up to
the &end_reset_fields marker.
Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20241231190620.24442-3-philmd@linaro.org>
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Convert all targets simultaneously, as the gen_intermediate_code
function disappears from the target. While there are possible
workarounds, they're larger than simply performing the conversion.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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TB compile flags, tb_page_addr_t type, tb_cflags() and few
other methods are defined in "exec/translation-block.h".
All these files don't include "exec/translation-block.h" but
include "exec/exec-all.h" which include it. Explicitly include
"exec/translation-block.h" to be able to remove it from
"exec/exec-all.h" later when it won't be necessary. Otherwise
we'd get errors such:
accel/tcg/internal-target.h:59:20: error: a parameter list without types is only allowed in a function definition
59 | void tb_lock_page0(tb_page_addr_t);
| ^
accel/tcg/tb-hash.h:64:23: error: unknown type name 'tb_page_addr_t'
64 | uint32_t tb_hash_func(tb_page_addr_t phys_pc, vaddr pc,
| ^
accel/tcg/tcg-accel-ops.c:62:36: error: use of undeclared identifier 'CF_CLUSTER_SHIFT'
62 | cflags = cpu->cluster_index << CF_CLUSTER_SHIFT;
| ^
accel/tcg/watchpoint.c:102:47: error: use of undeclared identifier 'CF_NOIRQ'
102 | cpu->cflags_next_tb = 1 | CF_NOIRQ | curr_cflags(cpu);
| ^
target/i386/helper.c:536:28: error: use of undeclared identifier 'CF_PCREL'
536 | if (tcg_cflags_has(cs, CF_PCREL)) {
| ^
target/rx/cpu.c:51:21: error: incomplete definition of type 'struct TranslationBlock'
51 | cpu->env.pc = tb->pc;
| ~~^
system/physmem.c:2977:9: error: call to undeclared function 'tb_invalidate_phys_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2977 | tb_invalidate_phys_range(addr, addr + length - 1);
| ^
plugins/api.c:96:12: error: call to undeclared function 'tb_cflags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
96 | return tb_cflags(tcg_ctx->gen_tb) & CF_MEMI_ONLY;
| ^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241114011310.3615-5-philmd@linaro.org>
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The TranslationBlock flags are defined in 'exec/translation-block.h'.
tcg_cflags_has/set() use them, it is more logical to declare them in
the same place. Move them there too.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212144430.66224-2-philmd@linaro.org>
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Move declarations related to page protection under user
emulation from "exec/cpu-all.h" to "user/page-protection.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-14-philmd@linaro.org>
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Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.
Files renamed manually then mechanical change using sed tool.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Message-Id: <20241203172445.28576-1-philmd@linaro.org>
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Set the default NaN pattern explicitly, and remove the ifdef from
parts64_default_nan().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-39-peter.maydell@linaro.org
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