Remove the unnecessary "Sparc" at the beginning of the line and
put the chip information into parentheses so that it is clearer
which part of the line have to be passed to "-cpu" to specify a
different CPU.
Message-ID: <20240307174334.130407-4-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
some users were confused by this message showing under TCG:
Selected CPU generation is too new. Maximum supported model
in the configuration: 'xyz'
Clarify that the maximum can depend on the accel, and add a
hint to try a different one.
Also add a hint for features mismatch to suggest trying
different accel, QEMU and kernel versions.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-ID: <20240314213746.27163-1-cfontana@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
* Prefer fast cpu_env() over slower CPU QOM cast macro
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Merge tag 'pull-request-2024-03-12' of https://gitlab.com/thuth/qemu into staging
* Add missing ERRP_GUARD() statements in functions that need it
* Prefer fast cpu_env() over slower CPU QOM cast macro
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# gpg: Signature made Tue 12 Mar 2024 11:35:50 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-2024-03-12' of https://gitlab.com/thuth/qemu: (55 commits)
user: Prefer fast cpu_env() over slower CPU QOM cast macro
target/xtensa: Prefer fast cpu_env() over slower CPU QOM cast macro
target/tricore: Prefer fast cpu_env() over slower CPU QOM cast macro
target/sparc: Prefer fast cpu_env() over slower CPU QOM cast macro
target/sh4: Prefer fast cpu_env() over slower CPU QOM cast macro
target/rx: Prefer fast cpu_env() over slower CPU QOM cast macro
target/ppc: Prefer fast cpu_env() over slower CPU QOM cast macro
target/openrisc: Prefer fast cpu_env() over slower CPU QOM cast macro
target/nios2: Prefer fast cpu_env() over slower CPU QOM cast macro
target/mips: Prefer fast cpu_env() over slower CPU QOM cast macro
target/microblaze: Prefer fast cpu_env() over slower CPU QOM cast macro
target/m68k: Prefer fast cpu_env() over slower CPU QOM cast macro
target/loongarch: Prefer fast cpu_env() over slower CPU QOM cast macro
target/i386/hvf: Use CPUState typedef
target/hexagon: Prefer fast cpu_env() over slower CPU QOM cast macro
target/cris: Prefer fast cpu_env() over slower CPU QOM cast macro
target/avr: Prefer fast cpu_env() over slower CPU QOM cast macro
target/alpha: Prefer fast cpu_env() over slower CPU QOM cast macro
target: Replace CPU_GET_CLASS(cpu -> obj) in cpu_reset_hold() handler
bulk: Call in place single use cpu_env()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The H_GUEST_RUN_VCPU hcall is used to start execution of a Guest VCPU.
The Hypervisor will update the state of the Guest VCPU based on the
input buffer, restore the saved Guest VCPU state, and start its
execution.
The Guest VCPU can stop running for numerous reasons including HCALLs,
hypervisor exceptions, or an outstanding Host Partition Interrupt.
The reason that the Guest VCPU stopped running is communicated through
R4 and the output buffer will be filled in with any relevant state.
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Currently, nested_ppc_state stores a certain set of registers and works
with nested_[load|save]_state() for state transfer as reqd for nested-hv API.
Extending these with additional registers state as reqd for nested PAPR API.
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
These wrappers call out to handle POWER7 and newer in separate
functions but reduce to the generic case when TARGET_PPC64 is not
defined. It is easy enough to include the switch in the beginning of
the generic functions to branch out to the specific functions and get
rid of these wrappers. This avoids one indirection and entirely
compiles out the switch without TARGET_PPC64.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Concatenate #if blocks that are ending then beginning on the next line
again.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Remove check for !defined(CONFIG_USER_ONLY) as this is already within
an #ifndef CONFIG_USER_ONLY block.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Use #ifdef, #ifndef for brevity and add comments to #endif that are
more than a few lines apart for clarity.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Add gen_exception_err_nip() that does the same as gen_exception_err()
but takes the nip as a parameter to allow specifying it instead of
using the current instruction address then change gen_exception_err()
to use it.
The gen_exception() and gen_exception_nip() functions are similar so
remove code duplication from those too while at it.
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Improve readability by shortening some long comments, removing
comments that state the obvious and dropping some empty lines so they
don't distract when reading the code.
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Use the env_cpu function to get the CPUState for cpu_abort. These are
only needed in case of fatal errors so this allows to avoid casting
and storing CPUState in a local variable wnen not needed.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Big (SMT8) cores have a complicated function to map the core, thread ID
to pervasive topology (PIR). Fix this for power8, power9, and power10.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Caleb Schlossin <calebs@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Currently in tcg mode, when reading from power10 pmu spr like MMCR3,
qemu logs this message (when starting qemu with -d guest_errors)
Trying to read invalid spr 754 (0x2f2) at 0000000030056bb0
This is becuase, no read/write call-backs are registered for
these SPRs. Add support to register generic read/write
functions to these power10 pmu sprs to fix it.
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This patch moves the below instructions to decodetree specification:
{add, subf}[c,e,me,ze][o][.] : XO-form
addic[.], subfic : D-form
addex : Z23-form
This patch introduces XO form instructions into decode tree
specification, for which all the four variations([o][.]) have been
handled with a single pattern. The changes were verified by validating
that the tcg ops generated by those instructions remain the same, which
were captured with the '-d in_asm,op' flag.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Chinmay Rath <rathc@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
POWER10 hardware implements a degenerate transactional memory facility
in POWER8/9 PCR compatibility modes to permit migration from older
CPUs, but POWER10 / ISA v3.1 mode does not support it so the CPU model
should not support it.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
The POWER9 DD1 and POWER10 DD1 chips are not public and are no longer of
any use in QEMU. Remove them.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Prevent guest state modifying the MSR[ME] bit. Per ISA:
An attempt to modify MSR[ME] in privileged but non-hypervisor state
is ignored (i.e., the bit is not changed).
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Fix an off by one bug.
Fixes: 1b53948ff8 ("target/ppc: Use GDBFeature for dynamic XML")
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
query-cpu-model-expansion takes a CpuModelInfo argument. The
loongarch version of the command silently ignores the argument's
member @props. For instance,
{"execute": "query-cpu-model-expansion", "arguments": {"type": "static", "model": {"name": "la464", "props": null}}}
and
{"execute": "query-cpu-model-expansion", "arguments": {"type": "static", "model": {"name": "la464", "props": {"prop": null}}}}
succeed.
Add skeleton code for property processing that recognizes no
properties. Now the two commands fail as they should:
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'model.props', expected: object"}}
and
{"error": {"class": "GenericError", "desc": "Parameter 'model.props.prop' is unexpected"}}
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240305145919.2186971-5-armbru@redhat.com>
[Drop #include now superfluous]
query-cpu-model-comparison, query-cpu-model-baseline, and
query-cpu-model-expansion take CpuModelInfo arguments. Errors in
@props members of these arguments are reported for 'props', without
further context. For instance, s390x rejects
{"execute": "query-cpu-model-comparison", "arguments": {"modela": {"name": "z13", "props": {}}, "modelb": {"name": "z14", "props": []}}}
with
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'props', expected: object"}}
This is unusual; the common QAPI unmarshaling machinery would complain
about 'modelb.props'. Our hand-written code to visit the @props
member neglects to provide the context.
Tweak it so it provides it. The command above now fails with
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'modelb.props', expected: dict"}}
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240305145919.2186971-4-armbru@redhat.com>
Acked-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
CpuModelInfo member @props is semantically a mapping from name to
value, and syntactically a JSON object on the wire. This translates
to QDict in C. Since the QAPI schema language lacks the means to
express 'object', we use 'any' instead. This is QObject in C.
Commands taking a CpuModelInfo argument need to check the QObject is a
QDict.
The i386 version of qmp_query_cpu_model_expansion() fails to check.
Instead, @props is silently ignored when it's not an object. For
instance,
{"execute": "query-cpu-model-expansion", "arguments": {"type": "full", "model": {"name": "qemu64", "props": null}}}
succeeds.
Fix by refactoring the code to match the other targets. Now the
command fails as it should:
{"error": {"class": "GenericError", "desc": "Invalid parameter type for 'props', expected: object"}}
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240305145919.2186971-3-armbru@redhat.com>
CpuModelInfo member @props is semantically a mapping from name to
value, and syntactically a JSON object on the wire. This translates
to QDict in C. Since the QAPI schema language lacks the means to
express 'object', we use 'any' instead. This is QObject in C.
Commands taking a CpuModelInfo argument need to check the QObject is a
QDict.
For arm, riscv, and s390x, the code checks right before passing the
QObject to visit_start_struct(). visit_start_struct() then checks
again.
Delete the first check.
The error message for @props that are not an object changes slightly
to the the message we get for this kind of type error in other
contexts. Minor improvement.
Additionally, error messages about members of @props now refer to
'props.prop-name' instead of just 'prop-name'. Another minor
improvement.
Both changes are visible in tests/qtest/arm-cpu-features.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240305145919.2186971-2-armbru@redhat.com>
Acked-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
[Drop #include now superfluous]
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-29-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20240129164514.73104-28-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-27-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-26-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240129164514.73104-24-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-22-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-21-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-20-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240129164514.73104-19-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-18-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-17-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-16-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[thuth: Adjusted patch for hunk that moved to cpu_helper.c]
Signed-off-by: Thomas Huth <thuth@redhat.com>
QEMU coding style recommend using structure typedefs:
https://www.qemu.org/docs/master/devel/style.html#typedefs
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20240129164514.73104-14-philmd@linaro.org>
[thuth: Break long lines to avoid checkpatch.pl errors]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240129164514.73104-12-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-11-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-10-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-8-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since CPU() macro is a simple cast, the following are equivalent:
Object *obj;
CPUState *cs = CPU(obj)
In order to ease static analysis when running
scripts/coccinelle/cpu_env.cocci from the previous commit,
replace:
- CPU_GET_CLASS(cpu);
+ CPU_GET_CLASS(obj);
Most code use the 'cs' variable name for CPUState handle.
Replace few 's' -> 'cs' to unify cpu_reset_hold() style.
No logical change in this patch.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240129164514.73104-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Avoid CPUArchState local variable when cpu_env() is used once.
Mechanical patch using the following Coccinelle spatch script:
@@
type CPUArchState;
identifier env;
expression cs;
@@
{
- CPUArchState *env = cpu_env(cs);
... when != env
- env
+ cpu_env(cs)
... when != env
}
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240129164514.73104-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
