target/alpha: Use TCG_COND_TST{EQ,NE} for CMOVLB{C,S}

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S}

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231028194522.245170-33-richard.henderson@linaro.org>
[PMD: Split from bigger patch, part 2/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231108205247.83234-2-philmd@linaro.org>

target/alpha: Pass immediate value to gen_bcond_internal()

Simplify gen_bcond() by passing an immediate value.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231028194522.245170-33-richard.henderson@linaro.org>
[PMD: Split from bigger patch, part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231108205247.83234-1-philmd@linaro.org>

tcg/optimize: Lower TCG_COND_TST{EQ,NE} if unsupported

After having performed other simplifications, lower any
remaining test comparisons with AND.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/optimize: Handle TCG_COND_TST{EQ,NE}

Fold constant comparisons.
Canonicalize "tst x,x" to equality vs zero.
Canonicalize "tst x,sign" to sign test vs zero.
Fold double-word comparisons with zero parts.
Fold setcond of "tst x,pow2" to a bit extract.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2

Mirror the new do_constant_folding_cond1 by doing all
argument and condition adjustment within one helper.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/optimize: Split out do_constant_folding_cond1

Handle modifications to the arguments and condition
in a single place.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/optimize: Split out arg_is_const_val

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg: Introduce TCG_TARGET_HAS_tst

Define as 0 for all tcg backends.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg: Introduce TCG_COND_TST{EQ,NE}

Add the enumerators, adjust the helpers to match, and dump.
Not supported anywhere else just yet.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Merge tag 'pull-qapi-2024-02-03' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2024-02-03

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# gpg: Signature made Sat 03 Feb 2024 08:20:56 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2024-02-03' of https://repo.or.cz/qemu/armbru:
  qga/qapi-schema: Move command description right after command name
  qga: Move type description right after type name
  qapi: Elide "Potential additional modes" from generated docs
  qapi: Drop redundant documentation of conditional
  qapi: Drop redundant documentation of inherited members

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge tag 'pull-tcg-20240202-2' of https://gitlab.com/rth7680/qemu into staging

tests/tcg: Fix multiarch/gdbstub/prot-none.py
hw/core: Convert cpu_mmu_index to a CPUClass hook
tcg/loongarch64: Set vector registers call clobbered
target/sparc: floating-point cleanup
linux-user/aarch64: Add padding before __kernel_rt_sigreturn

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# gpg: Signature made Sat 03 Feb 2024 07:04:09 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20240202-2' of https://gitlab.com/rth7680/qemu: (58 commits)
  linux-user/aarch64: Add padding before __kernel_rt_sigreturn
  target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK
  target/sparc: Split fcc out of env->fsr
  target/sparc: Remove cpu_fsr
  target/sparc: Split cexc and ftt from env->fsr
  target/sparc: Merge check_ieee_exceptions with FPop helpers
  target/sparc: Clear cexc and ftt in do_check_ieee_exceptions
  target/sparc: Split ver from env->fsr
  target/sparc: Introduce cpu_get_fsr, cpu_put_fsr
  target/sparc: Remove qt0, qt1 temporaries
  target/sparc: Use i128 for Fdmulq
  target/sparc: Use i128 for FdTOq, FxTOq
  target/sparc: Use i128 for FsTOq, FiTOq
  target/sparc: Use i128 for FCMPq, FCMPEq
  target/sparc: Use i128 for FqTOd, FqTOx
  target/sparc: Use i128 for FqTOs, FqTOi
  target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq
  target/sparc: Use i128 for FSQRTq
  target/sparc: Inline FNEG, FABS
  target/sparc: Introduce gen_{load,store}_fpr_Q
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

qga/qapi-schema: Move command description right after command name

Documentation of commands guest-ssh-get-authorized-keys,
guest-ssh-add-authorized-keys, and guest-ssh-remove-authorized-keys
describes the command's purpose after its arguments.  Everywhere else,
we do it the other way round.  Move it for consistency.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240129115008.674248-6-armbru@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>

qga: Move type description right after type name

Documentation of type BlockdevOptionsIscsi describes the type's
purpose after its members.  Everywhere else, we do it the other way
round.  Move it for consistency.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240129115008.674248-5-armbru@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>

qapi: Elide "Potential additional modes" from generated docs

Documentation of BlockExportRemoveMode has

    Potential additional modes to be added in the future:

    hide: Just hide export from new clients, leave existing connections
    as is.  Remove export after all clients are disconnected.

    soft: Hide export from new clients, answer with ESHUTDOWN for all
    further requests from existing clients.

I think this is useful only for developers.  Elide it from generated
documentation by turning it into a TODO section.

This effectively reverts my own commit b71fd73cc45 (Revert "qapi:
BlockExportRemoveMode: move comments to TODO").  At the time, I was
about to elide TODO sections from the generated manual, I wasn't sure
about this one, and decided to avoid change.  And now I've made up my
mind.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240129115008.674248-4-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

qapi: Drop redundant documentation of conditional

Documentation generated for dump-skeys contains

    This command is only supported on s390 architecture.

and

    If
    ~~

    "TARGET_S390X"

The former became redundant in commit 901a34a400a (qapi: add 'If:'
section to generated documentation) added the latter.  Drop the
former.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240129115008.674248-3-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

qapi: Drop redundant documentation of inherited members

Documentation generated for SchemaInfo looks like

    The members of "SchemaInfoBuiltin" when "meta-type" is ""builtin""
    The members of "SchemaInfoEnum" when "meta-type" is ""enum""
    The members of "SchemaInfoArray" when "meta-type" is ""array""
    The members of "SchemaInfoObject" when "meta-type" is ""object""
    The members of "SchemaInfoAlternate" when "meta-type" is ""alternate""
    The members of "SchemaInfoCommand" when "meta-type" is ""command""
    The members of "SchemaInfoEvent" when "meta-type" is ""event""
    Additional members depend on the value of "meta-type".

The last line became redundant when commit 88f63467c57 (qapi2texi:
Generate reference to base type members) added the lines preceding it.
Drop it.

BlockdevOptions has the same issue.  Drop

    Remaining options are determined by the block driver.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240129115008.674248-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

linux-user/aarch64: Add padding before __kernel_rt_sigreturn

Without this padding, an unwind through the signal handler
will pick up the unwind info for the preceding syscall.

This fixes gcc's 30_threads/thread/native_handle/cancel.cc.

Cc: qemu-stable@nongnu.org
Fixes: ee95fae075c6 ("linux-user/aarch64: Add vdso")
Resolves: https://linaro.atlassian.net/browse/GNU-974
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240202034427.504686-1-richard.henderson@linaro.org>

target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK

These macros are no longer used.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-23-richard.henderson@linaro.org>

target/sparc: Split fcc out of env->fsr

Represent each fcc field separately from the rest of fsr.
This vastly simplifies floating-point comparisons.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-22-richard.henderson@linaro.org>

target/sparc: Remove cpu_fsr

Drop this field as a tcg global, loading it explicitly in the
few places required.  This means that all FPop helpers may
once again be TCG_CALL_NO_WG.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-21-richard.henderson@linaro.org>

target/sparc: Split cexc and ftt from env->fsr

These two fields are adjusted by all FPop insns.
Having them separate makes it easier to set without masking.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-20-richard.henderson@linaro.org>

target/sparc: Merge check_ieee_exceptions with FPop helpers

If an exception is to be raised, the destination fp register
should be unmodified.  The current implementation is incorrect,
in that double results will be written back before calling
gen_helper_check_ieee_exceptions, despite the placement of
gen_store_fpr_D, since gen_dest_fpr_D returns cpu_fpr[].

We can simplify the entire implementation by having each
FPOp helper call check_ieee_exceptions.  For the moment this
requires that all FPop helpers write to the TCG global cpu_fsr,
so remove TCG_CALL_NO_WG from the DEF_HELPER_FLAGS_*.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-19-richard.henderson@linaro.org>

target/sparc: Clear cexc and ftt in do_check_ieee_exceptions

Don't do the clearing explicitly before each FPop,
rather do it as part of the rest of exception handling.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-18-richard.henderson@linaro.org>

target/sparc: Split ver from env->fsr

This field is read-only.  It is easier to store it separately
and merge it only upon read.

While we're at it, use FSR_VER_SHIFT to initialize fpu_version.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-17-richard.henderson@linaro.org>

target/sparc: Introduce cpu_get_fsr, cpu_put_fsr

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-16-richard.henderson@linaro.org>

target/sparc: Remove qt0, qt1 temporaries

These are no longer used for passing data to/from helpers.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-15-richard.henderson@linaro.org>

target/sparc: Use i128 for Fdmulq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-14-richard.henderson@linaro.org>

target/sparc: Use i128 for FdTOq, FxTOq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-13-richard.henderson@linaro.org>

target/sparc: Use i128 for FsTOq, FiTOq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-12-richard.henderson@linaro.org>

target/sparc: Use i128 for FCMPq, FCMPEq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-11-richard.henderson@linaro.org>

target/sparc: Use i128 for FqTOd, FqTOx

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-10-richard.henderson@linaro.org>

target/sparc: Use i128 for FqTOs, FqTOi

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-9-richard.henderson@linaro.org>

target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-8-richard.henderson@linaro.org>

target/sparc: Use i128 for FSQRTq

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-7-richard.henderson@linaro.org>

target/sparc: Inline FNEG, FABS

These are simple bit manipulation insns.
Begin using i128 for float128.
Implement FMOVq with do_qq.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-6-richard.henderson@linaro.org>

target/sparc: Introduce gen_{load,store}_fpr_Q

Use them for trans_FMOVq.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-5-richard.henderson@linaro.org>

target/sparc: Remove gen_dest_fpr_F

Replace with tcg_temp_new_i32.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-4-richard.henderson@linaro.org>

target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for ASI_M_BFILL

Align the operation to the 32-byte cacheline.
Use 2 i128 instead of 4 i64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-3-richard.henderson@linaro.org>

target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for ASI_M_BCOPY

Align the operation to the 32-byte cacheline.
Use 2 pair of i128 instead of 8 pair of i32.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-2-richard.henderson@linaro.org>

tcg/loongarch64: Set vector registers call clobbered

Because there are more call clobbered registers than
call saved registers, we begin with all registers as
call clobbered and then reset those that are saved.

This was missed when we introduced the LSX support.

Cc: qemu-stable@nongnu.org
Fixes: 16288ded944 ("tcg/loongarch64: Lower basic tcg vec ops to LSX")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2136
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240201233414.500588-1-richard.henderson@linaro.org>

tests/tcg: Fix the /proc/self/mem probing in the PROT_NONE gdbstub test

The `if not probe_proc_self_mem` check never passes, because
probe_proc_self_mem is a function object, which is a truthy value.
Add parentheses in order to perform a function call.

Fixes: dc84d50a7f9b ("tests/tcg: Add the PROT_NONE gdbstub test")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240131220245.235993-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/exec: Change cpu_mmu_index argument to CPUState

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/exec: Implement cpu_mmu_index generically

For user-only mode, use MMU_USER_IDX.
For system mode, use CPUClass.mmu_index.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/xtensa: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/tricore: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/sparc: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/sh4: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/s390x: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/s390x: Split out s390x_env_mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/rx: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/riscv: Populate CPUClass.mmu_index

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/riscv: Replace cpu_mmu_index with riscv_env_mmu_index

Use the target-specific function name in preference
to the generic name.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/riscv: Rename riscv_cpu_mmu_index to riscv_env_mmu_index

Free up the riscv_cpu_mmu_index name for other usage;
emphasize that the argument is 'env'.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/ppc: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/ppc: Split out ppc_env_mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/openrisc: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/nios2: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/mips: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/mips: Split out mips_env_mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/mips: Pass ptw_mmu_idx down from mips_cpu_tlb_fill

Rather than adjust env->hflags so that the value computed
by cpu_mmu_index() changes, compute the mmu_idx that we
want directly and pass it down.

Introduce symbolic constants for MMU_{KERNEL,ERL}_IDX.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/microblaze: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/m68k: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/loongarch: Rename MMU_IDX_*

The expected form is MMU_FOO_IDX, not MMU_IDX_FOO.
Rename to match generic code.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/loongarch: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/i386: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Populate CPUClass.mmu_index

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/cris: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/cris: Cache mem_index in DisasContext

Compute this value once for each translation.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/avr: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/arm: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/arm: Split out arm_env_mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/alpha: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/alpha: Split out alpha_env_mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/hw/core: Add mmu_index to CPUClass

To be used after all targets have populated the hook.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Merge tag 'pull-target-arm-20240202' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target/arm: fix exception syndrome for AArch32 bkpt insn
pci, vmbus, adb, s390x/css-bridge: Switch buses to 3-phase reset
system/vl.c: Fix handling of '-serial none -serial something'
target/arm: Add ID_AA64ZFR0_EL1.B16B16 to the exposed-to-userspace set
tests/qtest/xlnx-versal-trng-test.c: Drop use of variable length array
target/arm: Reinstate "vfp" property on AArch32 CPUs
doc/sphinx/hxtool.py: add optional label argument to SRST directive
hw/arm: Check for CPU types in machine_run_board_init() for various boards
pci-host: designware: Limit value range of iATU viewport register
hw/arm: Convert some DPRINTF macros to trace events and guest errors
hw/arm: NPCM7XX SoC: Add GMAC ethernet controller devices
hw/arm: Implement BCM2835 SPI Controller

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# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240202' of https://git.linaro.org/people/pmaydell/qemu-arm: (36 commits)
  hw/arm: Connect SPI Controller to BCM2835
  hw/ssi: Implement BCM2835 SPI Controller
  tests/qtest: Adding PCS Module test to GMAC Qtest
  hw/net: GMAC Tx Implementation
  hw/net: GMAC Rx Implementation
  tests/qtest: Creating qtest for GMAC Module
  hw/arm: Add GMAC devices to NPCM7XX SoC
  hw/net: Add NPCMXXX GMAC device
  hw/xen: convert stderr prints to error/warn reports
  hw/xen/xen-hvm-common.c: convert DPRINTF to tracepoints
  hw/xen/xen-mapcache.c: convert DPRINTF to tracepoints
  hw/arm/xen_arm.c: convert DPRINTF to trace events and error/warn reports
  hw/arm/z2: convert DPRINTF to trace events and guest errors
  hw/arm/strongarm.c: convert DPRINTF to trace events and guest errors
  pci-host: designware: Limit value range of iATU viewport register
  hw/arm/zynq: Check for CPU types in machine_run_board_init()
  hw/arm/vexpress: Check for CPU types in machine_run_board_init()
  hw/arm/npcm7xx_boards: Simplify setting MachineClass::valid_cpu_types[]
  hw/arm/musca: Simplify setting MachineClass::valid_cpu_types[]
  hw/arm/msf2: Simplify setting MachineClass::valid_cpu_types[]
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge tag 'pull-nic-config-2-20240202' of git://git.infradead.org/users/dwmw2/qemu into staging

Rework matching of network devices to -nic options (v2)

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# gpg: Signature made Fri 02 Feb 2024 16:27:06 GMT
# gpg:                using RSA key 314B08ACD0DE481133A5F2869BE980FD0AC01544
# gpg:                issuer "dwmw@amazon.co.uk"
# gpg: Good signature from "David Woodhouse <dwmw@amazon.co.uk>" [unknown]
# gpg:                 aka "David Woodhouse <dwmw@amazon.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: 314B 08AC D0DE 4811 33A5  F286 9BE9 80FD 0AC0 1544

* tag 'pull-nic-config-2-20240202' of git://git.infradead.org/users/dwmw2/qemu: (47 commits)
  net: make nb_nics and nd_table[] static in net/net.c
  net: remove qemu_show_nic_models(), qemu_find_nic_model()
  hw/pci: remove pci_nic_init_nofail()
  net: remove qemu_check_nic_model()
  hw/xtensa/xtfpga: use qemu_create_nic_device()
  hw/sparc/sun4m: use qemu_find_nic_info()
  hw/s390x/s390-virtio-ccw: use qemu_create_nic_device()
  hw/riscv: use qemu_configure_nic_device()
  hw/openrisc/openrisc_sim: use qemu_create_nic_device()
  hw/net/lasi_i82596: use qemu_create_nic_device()
  hw/net/lasi_i82596: Re-enable build
  hw/mips/jazz: use qemu_find_nic_info()
  hw/mips/mipssim: use qemu_create_nic_device()
  hw/microblaze: use qemu_configure_nic_device()
  hw/m68k/q800: use qemu_find_nic_info()
  hw/m68k/mcf5208: use qemu_create_nic_device()
  hw/net/etraxfs-eth: use qemu_configure_nic_device()
  hw/arm: use qemu_configure_nic_device()
  hw/arm/stellaris: use qemu_find_nic_info()
  hw/arm/npcm7xx: use qemu_configure_nic_device, allow emc0/emc1 as aliases
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

net: make nb_nics and nd_table[] static in net/net.c

Also remove the stale declaration of host_net_devices; the actual
definition was removed long ago in commit 7cc28cb06104 ("net: Remove
the deprecated 'host_net_add' and 'host_net_remove' HMP commands")

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

net: remove qemu_show_nic_models(), qemu_find_nic_model()

These old functions can be removed now too. Let net_param_nic() print
the full set of network devices directly, and also make it note that a
list more specific to this platform/config will be available by using
'-nic model=help' instead.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/pci: remove pci_nic_init_nofail()

This function is no longer used, as all its callers have been converted
to use pci_init_nic_devices() instead.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

net: remove qemu_check_nic_model()

There are no callers of this function any more, as they have all been
converted to qemu_{create,configure}_nic_device().

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/xtensa/xtfpga: use qemu_create_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/sparc/sun4m: use qemu_find_nic_info()

Obtain the MAC address from the NIC configuration if there is one, or
generate one explicitly so that it can be placed in the PROM.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/s390x/s390-virtio-ccw: use qemu_create_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Thomas Huth <thuth@redhat.com>

hw/riscv: use qemu_configure_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/openrisc/openrisc_sim: use qemu_create_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/net/lasi_i82596: use qemu_create_nic_device()

Create the device only if there is a corresponding NIC config for it.
Remove the explicit check on nd_table[0].used from hw/hppa/machine.c
which (since commit d8a3220005d7) tries to do the same thing.

The lasi_82596 support has been disabled since it was first introduced,
since enable_lasi_lan() has always been zero. This allows the user to
enable it by explicitly requesting a NIC model 'lasi_82596' or just
using the alias 'lasi'. Otherwise, it defaults to a PCI NIC as before.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/net/lasi_i82596: Re-enable build

When converting to the shiny build-system-du-jour, a typo prevented the
last_i82596 driver from being built. Correct the config option name to
re-enable the build. And include "sysemu/sysemu.h" so it actually builds.

Fixes: b1419fa66558 ("meson: convert hw/net")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2144
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/mips/jazz: use qemu_find_nic_info()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/mips/mipssim: use qemu_create_nic_device()

The MIPS SIM platform instantiates its NIC only if a corresponding
configuration exists for it. Use qemu_create_nic_device() function for
that.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/microblaze: use qemu_configure_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/m68k/q800: use qemu_find_nic_info()

If a corresponding NIC configuration was found, it will have a MAC address
already assigned, so use that. Else, generate and assign a default one.

Using qemu_find_nic_info() is simpler than the alternative of using
qemu_configure_nic_device() and then having to fetch the "mac" property
as a string and convert it.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/m68k/mcf5208: use qemu_create_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/net/etraxfs-eth: use qemu_configure_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/arm: use qemu_configure_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/arm/stellaris: use qemu_find_nic_info()

Rather than just using qemu_configure_nic_device(), populate the MAC
address in the system-registers device by peeking at the NICInfo before
it's assigned to the device.

Generate the MAC address early, if there is no matching -nic option.
Otherwise the MAC address wouldn't be generated until net_client_init1()
runs.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/arm/npcm7xx: use qemu_configure_nic_device, allow emc0/emc1 as aliases

Also update the test to specify which device to attach the test socket
to, and remove the comment lamenting the fact that we can't do so.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/arm/highbank: use qemu_create_nic_device()

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/net/lan9118: use qemu_configure_nic_device()

Some callers instantiate the device unconditionally, others will do so only
if there is a NICInfo to go with it. This appears to be fairly random, but
preseve the existing behaviour for now.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/net/smc91c111: use qemu_configure_nic_device()

Some callers instantiate the device unconditionally, others will do so only
if there is a NICInfo to go with it. This appears to be fairly random, but
preserve the existing behaviour of each caller for now.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>