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Author SHA1 Message Date
Philippe Mathieu-DaudéandPhilippe Mathieu-Daudé e895095c78 target/mips: Only update MVPControl.EVP bit if executed by master VPE 
According to the 'MIPS MT Application-Specific Extension' manual:

  If the VPE executing the instruction is not a Master VPE,
  with the MVP bit of the VPEConf0 register set, the EVP bit
  is unchanged by the instruction.

Modify the DVPE/EVPE opcodes to only update the MVPControl.EVP bit
if executed on a master VPE.

Cc: qemu-stable@nongnu.org
Reported-by: Hansni Bu
Buglink: https://bugs.launchpad.net/qemu/+bug/1926277
Fixes: f249412c74 ("mips: Add MT halting and waking of VPEs")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-ID: <20210427133343.159718-1-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
 2025-07-29 13:56:15 +02:00
Stefan Hajnoczi a56ac09f5c Merge tag 'mips-20250715' of https://github.com/philmd/qemu into staging 
MIPS patches queue

- Implement CRC32[c] (Release 6) instructions
- Convert Octeon LX instructions to decodetree
- Restrict ITU to TCG
- Fix ESP issue affecting WinNT (INACCESSIBLE_BOOT_DEVICE BSOD)
- Add missing FDT dependency for some MicroBlaze machines
- Remove execute bit on hppa-firmware blobs

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# gpg: Signature made Tue 15 Jul 2025 02:18:14 EDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'mips-20250715' of https://github.com/philmd/qemu:
  esp.c: only allow ESP commands permitted in the current asc_mode
  esp.c: add asc_mode property to indicate the current ESP mode
  esp.c: only call dma_memory_write function if transfer length is non-zero
  esp.c: only call dma_memory_read function if transfer length is non-zero
  esp.h: remove separate ESPState typedef
  esp.c: improve comment in esp_transfer_data()
  esp.c: only raise IRQ in esp_transfer_data() for CMD_SEL, CMD_SELATN and CMD_TI commands
  hw/microblaze: Add missing FDT dependency
  hw/intc/loongarch_extioi: Remove unnecessary 'qemu/typedefs.h' include
  hw/mips: Restrict ITU to TCG
  roms: re-remove execute bit from hppa-firmware*
  tests/tcg/mips: Add tests for MIPS CRC32[c] instructions
  target/mips: Have gen_[d]lsa() callers add 1 to shift amount argument
  target/mips: Convert Octeon LX instructions to decodetree
  target/mips: Extract generic gen_lx() helper
  target/mips: Extract gen_base_index_addr() helper
  target/mips: Add support for emulation of CRC32 instructions

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 2025-07-16 07:06:14 -04:00
Philippe Mathieu-DaudéandMichael S. Tsirkin fafcff5f30 target/qmp: Use target_cpu_type() 
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: <20250708215320.70426-2-philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2025-07-15 02:56:39 -04:00
Philippe Mathieu-Daudé 65a67f0fe5 target/mips: Have gen_[d]lsa() callers add 1 to shift amount argument 
Having the callee add 1 to shift amount is misleading (see the
NM_LSA case in decode_nanomips_32_48_opc() where we have to
manually substract 1). Rather have the callers pass a modified
$sa.

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: <20241112172022.88348-4-philmd@linaro.org>
 2025-07-15 00:23:09 +02:00
Philippe Mathieu-Daudé 23ecff81ac target/mips: Convert Octeon LX instructions to decodetree 
Use Octeon decodetree to call gen_lx() for the LX instructions.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241111222936.59869-4-philmd@linaro.org>
 2025-07-15 00:23:09 +02:00
Philippe Mathieu-Daudé f0be3f9769 target/mips: Extract generic gen_lx() helper 
Extract gen_lx() from gen_mips_lx(); inline the Octeon
check in decode_opc_special3_legacy().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241111222936.59869-3-philmd@linaro.org>
 2025-07-15 00:23:09 +02:00
Philippe Mathieu-Daudé 263ce6008f target/mips: Extract gen_base_index_addr() helper 
Factor out gen_base_index_addr() which is used twice
but we'll use it more.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241111222936.59869-2-philmd@linaro.org>
 2025-07-15 00:23:09 +02:00
Yongbok KimandPhilippe Mathieu-Daudé 9253773cb7 target/mips: Add support for emulation of CRC32 instructions 
Add emulation of MIPS' CRC32 (Cyclic Redundancy Check) instructions.
Reuse zlib crc32() and Linux crc32c().

Corresponding disassembly has been added in commit 99029be1c2
("target/mips: Add implementation of GINVT instruction").

Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Aleksandar Rakic <aleksandar.rakic@htecgroup.com>
Reviewed-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <PA4PR09MB486489692D843DDFC25F3CF1846B2@PA4PR09MB4864.eurprd09.prod.outlook.com>
 2025-07-15 00:07:46 +02:00
Stefan Hajnoczi 98721058d6 Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging 
* target/i386/kvm: Intel TDX support
* target/i386/emulate: more lflags cleanups
* meson: remove need for explicit listing of dependencies in hw_common_arch and
  target_common_arch
* rust: small fixes
* hpet: Reorganize register decoding to be more similar to Rust code
* target/i386: fixes for AMD models
* target/i386: new EPYC-Turin CPU model

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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (77 commits)
  target/i386/tcg/helper-tcg: fix file references in comments
  target/i386: Add support for EPYC-Turin model
  target/i386: Update EPYC-Genoa for Cache property, perfmon-v2, RAS and SVM feature bits
  target/i386: Add couple of feature bits in CPUID_Fn80000021_EAX
  target/i386: Update EPYC-Milan CPU model for Cache property, RAS, SVM feature bits
  target/i386: Update EPYC-Rome CPU model for Cache property, RAS, SVM feature bits
  target/i386: Update EPYC CPU model for Cache property, RAS, SVM feature bits
  rust: make declaration of dependent crates more consistent
  docs: Add TDX documentation
  i386/tdx: Validate phys_bits against host value
  i386/tdx: Make invtsc default on
  i386/tdx: Don't treat SYSCALL as unavailable
  i386/tdx: Fetch and validate CPUID of TD guest
  target/i386: Print CPUID subleaf info for unsupported feature
  i386: Remove unused parameter "uint32_t bit" in feature_word_description()
  i386/cgs: Introduce x86_confidential_guest_check_features()
  i386/tdx: Define supported KVM features for TDX
  i386/tdx: Add XFD to supported bit of TDX
  i386/tdx: Add supported CPUID bits relates to XFAM
  i386/tdx: Add supported CPUID bits related to TD Attributes
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 2025-05-30 11:41:07 -04:00
Stefan Hajnoczi d2e9b78162 Merge tag 'pull-qapi-2025-05-28' of https://repo.or.cz/qemu/armbru into staging 
QAPI patches patches for 2025-05-28

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# gpg: Signature made Wed 28 May 2025 14:08:54 EDT
# 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-2025-05-28' of https://repo.or.cz/qemu/armbru:
  qapi: use imperative style in documentation
  qapi: make all generated files common
  qapi: remove qapi_specific_outputs from meson.build
  qapi: make s390x specific CPU commands unconditionally available
  qapi: make most CPU commands unconditionally available
  qapi: Make CpuModelExpansionInfo::deprecated-props optional and generic
  qapi: remove the misc-target.json file
  qapi: make Xen event commands unconditionally available
  qapi: make SGX commands unconditionally available
  qapi: expose query-gic-capability command unconditionally
  qapi: make SEV commands unconditionally available
  qapi: expand docs for SEV commands
  qapi: expose rtc-reset-reinjection command unconditionally

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 2025-05-29 08:36:01 -04:00
Xiaoyao LiandPaolo Bonzini a668268dc0 kvm: Introduce kvm_arch_pre_create_vcpu() 
Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent
work prior to create any vcpu. This is for i386 TDX because it needs
call TDX_INIT_VM before creating any vcpu.

The specific implementation for i386 will be added in the future patch.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-8-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2025-05-28 19:01:40 +02:00
Daniel P. BerrangéandMarkus Armbruster d6758495d8 qapi: make most CPU commands unconditionally available 
This removes the TARGET_* conditions from all the CPU commands
that are conceptually target independent. Top level stubs are
provided to cope with targets which do not currently implement
all of the commands. Adjust the doc comments accordingly.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250522190542.588267-10-pierrick.bouvier@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
 2025-05-28 18:55:50 +02:00
Richard Henderson 396c12d00e target/mips: Fill in TCGCPUOps.pointer_wrap 
Check 32 vs 64-bit addressing state.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-05-28 08:08:48 +01:00
Richard Henderson c37f8978d9 accel/tcg: Move cpu_get_tb_cpu_state to TCGCPUOps 
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>
 2025-04-30 12:45:05 -07:00
Richard Henderson 4759aae432 accel/tcg: Return TCGTBCPUState from cpu_get_tb_cpu_state 
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>
 2025-04-30 12:45:05 -07:00
Richard Henderson a59a876999 accel/tcg: Hoist cpu_get_tb_cpu_state decl to accl/tcg/cpu-ops.h 
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>
 2025-04-30 12:45:05 -07:00
Richard Henderson 9181ab4528 accel/tcg: Introduce TCGCPUOps.cpu_exec_reset 
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>
 2025-04-30 12:45:05 -07:00
Philippe Mathieu-DaudéandRichard Henderson 84307cd602 include: Remove 'exec/exec-all.h' 
"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>
 2025-04-30 12:45:05 -07:00
Philippe Mathieu-DaudéandRichard Henderson fe1a3ace13 accel/tcg: Extract probe API out of 'exec/exec-all.h' 
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>
 2025-04-30 12:45:05 -07:00
Philippe Mathieu-Daudé 33fa8f02a9 target/mips: Check CPU endianness at runtime using env_is_bigendian() 
Since CPU endianness can be toggled at runtime before resetting,
checking the endianness at build time preprocessing the
TARGET_BIG_ENDIAN definition isn't correct. We have to call
mips_env_is_bigendian() to get the CPU endianness at runtime.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250417131004.47205-4-philmd@linaro.org>
 2025-04-25 17:09:58 +02:00
Hauke MehrtensandPhilippe Mathieu-Daudé d4a785ba30 target/mips: Fix MIPS16e translation 
Fix a wrong conversion to gen_op_addr_addi(). The framesize should be
added like it was done before.

This bug broke booting OpenWrt MIPS32 BE malta Linux system images
generated by OpenWrt.

Cc: qemu-stable@nongnu.org
Fixes: d0b24b7f50 ("target/mips: Use gen_op_addr_addi() when possible")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250412194003.181411-1-hauke@hauke-m.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
 2025-04-25 17:00:42 +02:00
Philippe Mathieu-Daudé b282b859cf qom: Constify TypeInfo::class_data 
All callers now correctly expect a const class data.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-5-philmd@linaro.org>
 2025-04-25 17:00:41 +02:00
Philippe Mathieu-Daudé 12d1a768bd qom: Have class_init() take a const data argument 
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>
 2025-04-25 17:00:41 +02:00
Stefan Hajnoczi 019fbfa4bc Merge tag 'pull-misc-2025-04-24' of https://repo.or.cz/qemu/armbru into staging 
Miscellaneous patches for 2025-04-24

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# gpg: Signature made Thu 24 Apr 2025 03:52:54 EDT
# 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-misc-2025-04-24' of https://repo.or.cz/qemu/armbru:
  cleanup: Drop pointless label at end of function
  cleanup: Drop pointless return at end of function
  cleanup: Re-run return_directly.cocci

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 2025-04-24 13:44:57 -04:00
Markus Armbruster 8a2b516ba2 cleanup: Drop pointless return at end of function 
A few functions now end with a label.  The next commit will clean them
up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250407082643.2310002-3-armbru@redhat.com>
[Straightforward conflict with commit 988ad4cceb (hw/loongarch/virt:
Fix cpuslot::cpu set at last in virt_cpu_plug()) resolved]
 2025-04-24 09:33:42 +02:00