Commit Graph

108115 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
a186fedbef tests/rtl8139: Clean up global variable shadowing
Rename the variable to fix:

  tests/qtest/rtl8139-test.c:28:33: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
  static void save_fn(QPCIDevice *dev, int devfn, void *data)
                                  ^
  tests/qtest/rtl8139-test.c:37:17: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      QPCIDevice *dev;
                  ^
  tests/qtest/rtl8139-test.c:25:20: note: previous declaration is here
  static QPCIDevice *dev;
                     ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20231009100251.56019-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-10-27 09:39:08 +02:00
Philippe Mathieu-Daudé
e33ba60bdb tests/cdrom-test: Clean up global variable shadowing in prepare_image()
Rename the variable to fix:

  tests/qtest/cdrom-test.c:40:50: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
  static int prepare_image(const char *arch, char *isoimage)
                                                   ^
  tests/qtest/cdrom-test.c:18:13: note: previous declaration is here
  static char isoimage[] = "cdrom-boot-iso-XXXXXX";
              ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-ID: <20231009100251.56019-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-10-27 09:39:08 +02:00
Philippe Mathieu-Daudé
79a8d00073 tests/virtio-scsi: Clean up global variable shadowing
Rename the (unused) 'allow' argument, following the pattern
used by the other tests in this file. This fixes:

  tests/qtest/virtio-scsi-test.c:159:61: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
  static void hotplug(void *obj, void *data, QGuestAllocator *alloc)
                                                              ^
  tests/qtest/virtio-scsi-test.c:37:25: note: previous declaration is here
  static QGuestAllocator *alloc;
                          ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-By: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20231009100251.56019-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-10-27 09:39:08 +02:00
Philippe Mathieu-Daudé
e9894bc95a tests/throttle: Clean up global variable shadowing
Follow all other tests pattern from this file, use the
global 'cfg' variable to fix:

  tests/unit/test-throttle.c:621:20: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      ThrottleConfig cfg;
                     ^
  tests/unit/test-throttle.c:28:23: note: previous declaration is here
  static ThrottleConfig cfg;
                        ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alberto Garcia <berto@igalia.com>
Message-ID: <20231009100251.56019-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-10-27 09:39:08 +02:00
Philippe Mathieu-Daudé
63ba5e13b9 system/qtest: Clean up global variable shadowing in qtest_server_init()
Rename the variable to fix:

  softmmu/qtest.c:869:13: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      Object *qtest;
              ^
  softmmu/qtest.c:53:15: note: previous declaration is here
  static QTest *qtest;
                ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20231009100251.56019-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-10-27 09:39:08 +02:00
Stefan Hajnoczi
a95260486a tcg: Drop unused tcg_temp_free define
tcg: Introduce tcg_use_softmmu
 tcg: Optimize past conditional branches
 tcg: Use constant zero when expanding with divu2
 tcg: Add negsetcondi
 tcg: Define MO_TL
 tcg: Export tcg_gen_ext_{i32,i64,tl}
 target/*: Use tcg_gen_ext_*
 tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB
 tcg/ppc: Use ADDPCIS for power9
 tcg/ppc: Use prefixed instructions for power10
 tcg/ppc: Disable TCG_REG_TB for Power9/Power10
 tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB
 tcg/ppc: Use ADDPCIS for power9
 tcg/ppc: Use prefixed instructions for power10
 tcg/ppc: Disable TCG_REG_TB for Power9/Power10
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Merge tag 'pull-tcg-20231023' of https://gitlab.com/rth7680/qemu into staging

tcg: Drop unused tcg_temp_free define
tcg: Introduce tcg_use_softmmu
tcg: Optimize past conditional branches
tcg: Use constant zero when expanding with divu2
tcg: Add negsetcondi
tcg: Define MO_TL
tcg: Export tcg_gen_ext_{i32,i64,tl}
target/*: Use tcg_gen_ext_*
tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB
tcg/ppc: Use ADDPCIS for power9
tcg/ppc: Use prefixed instructions for power10
tcg/ppc: Disable TCG_REG_TB for Power9/Power10
tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB
tcg/ppc: Use ADDPCIS for power9
tcg/ppc: Use prefixed instructions for power10
tcg/ppc: Disable TCG_REG_TB for Power9/Power10

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# gpg: Signature made Mon 23 Oct 2023 11:11:43 PDT
# 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-20231023' of https://gitlab.com/rth7680/qemu: (38 commits)
  target/xtensa: Use tcg_gen_sextract_i32
  target/tricore: Use tcg_gen_*extract_tl
  target/rx: Use tcg_gen_ext_i32
  target/m68k: Use tcg_gen_ext_i32
  target/i386: Use tcg_gen_ext_tl
  target/arm: Use tcg_gen_ext_i64
  tcg: Define MO_TL
  tcg: Export tcg_gen_ext_{i32,i64,tl}
  tcg: add negsetcondi
  target/i386: Use i128 for 128 and 256-bit loads and stores
  tcg: Add tcg_gen_{ld,st}_i128
  tcg: Optimize past conditional branches
  tcg: Use constant zero when expanding with divu2
  tcg: drop unused tcg_temp_free define
  tcg/s390x: Use tcg_use_softmmu
  tcg/riscv: Use tcg_use_softmmu
  tcg/riscv: Do not reserve TCG_GUEST_BASE_REG for guest_base zero
  tcg/ppc: Use tcg_use_softmmu
  tcg/mips: Use tcg_use_softmmu
  tcg/loongarch64: Use tcg_use_softmmu
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-23 14:45:46 -07:00
Stefan Hajnoczi
1b4a5a20da virtio,pc,pci: features, cleanups
infrastructure for vhost-vdpa shadow work
 piix south bridge rework
 reconnect for vhost-user-scsi
 dummy ACPI QTG DSM for cxl
 
 tests, cleanups, fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups

infrastructure for vhost-vdpa shadow work
piix south bridge rework
reconnect for vhost-user-scsi
dummy ACPI QTG DSM for cxl

tests, cleanups, fixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Sun 22 Oct 2023 02:18:43 PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (62 commits)
  intel-iommu: Report interrupt remapping faults, fix return value
  MAINTAINERS: Add include/hw/intc/i8259.h to the PC chip section
  vhost-user: Fix protocol feature bit conflict
  tests/acpi: Update DSDT.cxl with QTG DSM
  hw/cxl: Add QTG _DSM support for ACPI0017 device
  tests/acpi: Allow update of DSDT.cxl
  hw/i386/cxl: ensure maxram is greater than ram size for calculating cxl range
  vhost-user: fix lost reconnect
  vhost-user-scsi: start vhost when guest kicks
  vhost-user-scsi: support reconnect to backend
  vhost: move and rename the conn retry times
  vhost-user-common: send get_inflight_fd once
  hw/i386/pc_piix: Make PIIX4 south bridge usable in PC machine
  hw/isa/piix: Implement multi-process QEMU support also for PIIX4
  hw/isa/piix: Resolve duplicate code regarding PCI interrupt wiring
  hw/isa/piix: Reuse PIIX3's PCI interrupt triggering in PIIX4
  hw/isa/piix: Rename functions to be shared for PCI interrupt triggering
  hw/isa/piix: Reuse PIIX3 base class' realize method in PIIX4
  hw/isa/piix: Share PIIX3's base class with PIIX4
  hw/isa/piix: Harmonize names of reset control memory regions
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-23 14:45:29 -07:00
Stefan Hajnoczi
b093277edc trivial patches for 2023-10-21
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2023-10-21

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# gpg: Signature made Sat 21 Oct 2023 05:03:48 PDT
# gpg:                using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
# gpg:                issuer "mjt@tls.msk.ru"
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg:                 aka "Michael Tokarev <mjt@debian.org>" [full]
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  MAINTAINERS: Add the ompic.c file to the or1k-sim section
  MAINTAINERS: Fix typo in openpic_kvm.c entry
  MAINTAINERS: Add unvalued folders in tests/tcg/ to the right sections
  MAINTAINERS: Add PPC common files to PowerPC TCG CPUs
  MAINTAINERS: Add fw_cfg.c to PPC mac99 machine
  MAINTAINERS: Adjust file list for PPC pseries machine
  MAINTAINERS: Adjust file list for PPC e500 machines
  MAINTAINERS: Adjust file list for PPC 4xx CPUs
  MAINTAINERS: Adjust file list for PPC ref405ep machine
  ppc/{bamboo, virtex_ml507}: Remove useless dependency on ppc405.h header
  MAINTAINERS: Fix a couple s390 paths
  MAINTAINERS: Add docs/devel/ebpf_rss.rst to the EBPF section
  MAINTAINERS: Add include/hw/intc/i8259.h to the PC chip section
  MAINTAINERS: Add the nios2 interrupt controller to the nios2 section
  MAINTAINERS: Cover hw/ppc/ppc440_uc.c with Sam460ex board
  hw/ppc/ppc440_uc: Remove dead l2sram_update_mappings()
  hw/rdma/vmw/pvrdma_cmd: Use correct struct in query_port()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-23 14:45:17 -07:00
Stefan Hajnoczi
338cf82fbe Misc hardware patch queue
- MAINTAINERS updates (Zoltan, Thomas)
 - Fix cutils::get_relocated_path on Windows host (Akihiko)
 - Housekeeping in Memory APIs (Marc-André)
 - SDHCI fix for SDMA transfer (Lu, Jianxian)
 - Various QOM/QDev/SysBus cleanups (Philippe)
 - Constify QemuInputHandler structure (Philippe)
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Merge tag 'hw-misc-20231020' of https://github.com/philmd/qemu into staging

Misc hardware patch queue

- MAINTAINERS updates (Zoltan, Thomas)
- Fix cutils::get_relocated_path on Windows host (Akihiko)
- Housekeeping in Memory APIs (Marc-André)
- SDHCI fix for SDMA transfer (Lu, Jianxian)
- Various QOM/QDev/SysBus cleanups (Philippe)
- Constify QemuInputHandler structure (Philippe)

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# gpg: Signature made Fri 20 Oct 2023 05:48:12 PDT
# 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 'hw-misc-20231020' of https://github.com/philmd/qemu: (41 commits)
  ui/input: Constify QemuInputHandler structure
  hw/net: Declare link using static DEFINE_PROP_LINK() macro
  hw/dma: Declare link using static DEFINE_PROP_LINK() macro
  hw/scsi/virtio-scsi: Use VIRTIO_SCSI_COMMON() macro
  hw/display/virtio-gpu: Use VIRTIO_DEVICE() macro
  hw/block/vhost-user-blk: Use DEVICE() / VIRTIO_DEVICE() macros
  hw/virtio/virtio-pmem: Replace impossible check by assertion
  hw/s390x/css-bridge: Realize sysbus device before accessing it
  hw/isa: Realize ISA bridge device before accessing it
  hw/arm/virt: Realize ARM_GICV2M sysbus device before accessing it
  hw/acpi: Realize ACPI_GED sysbus device before accessing it
  hw/pci-host/bonito: Do not use SysBus API to map local MMIO region
  hw/misc/allwinner-dramc: Do not use SysBus API to map local MMIO region
  hw/misc/allwinner-dramc: Move sysbus_mmio_map call from init -> realize
  hw/i386/intel_iommu: Do not use SysBus API to map local MMIO region
  hw/i386/amd_iommu: Do not use SysBus API to map local MMIO region
  hw/intc/spapr_xive: Do not use SysBus API to map local MMIO region
  hw/intc/spapr_xive: Move sysbus_init_mmio() calls around
  hw/ppc/pnv: Do not use SysBus API to map local MMIO region
  hw/ppc/pnv_xscom: Do not use SysBus API to map local MMIO region
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-23 14:44:20 -07:00
Richard Henderson
e40df3522b target/xtensa: Use tcg_gen_sextract_i32
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:44:49 -07:00
Richard Henderson
8b8bb29548 target/tricore: Use tcg_gen_*extract_tl
The EXTR instructions can use the extract opcodes.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:44:42 -07:00
Richard Henderson
0d67249c6d target/rx: Use tcg_gen_ext_i32
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:43:53 -07:00
Richard Henderson
443025e4d0 target/m68k: Use tcg_gen_ext_i32
We still need to check OS_{BYTE,WORD,LONG},
because m68k includes floating point in OS_*.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:43:52 -07:00
Richard Henderson
23f3d586e4 target/i386: Use tcg_gen_ext_tl
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:43:31 -07:00
Richard Henderson
2f02c14b21 target/arm: Use tcg_gen_ext_i64
The ext_and_shift_reg helper does this plus a shift.
The non-zero check for shift count is duplicate to
the one done within tcg_gen_shli_i64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:35:43 -07:00
Paolo Bonzini
c048b68385 tcg: Define MO_TL
This will also come in handy later for "less than" comparisons.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <03ba02fd-fade-4409-be16-2f81a5690b4c@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:34:21 -07:00
Richard Henderson
f1c29532e7 tcg: Export tcg_gen_ext_{i32,i64,tl}
The two concrete type functions already existed, merely needing
a bit of hardening to invalid inputs.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Paolo Bonzini
93c86ecd77 tcg: add negsetcondi
This can be useful to write a shift bit extraction that does not
depend on TARGET_LONG_BITS.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20231019104648.389942-15-pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
46c684c862 target/i386: Use i128 for 128 and 256-bit loads and stores
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
a01d9792a7 tcg: Add tcg_gen_{ld,st}_i128
Do not require the translators to jump through concat and
extract of i64 in order to move values to and from env.

Tested-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
d97f8f3941 tcg: Optimize past conditional branches
We already register allocate through extended basic blocks,
optimize through extended basic blocks as well.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
bfefdbea9e tcg: Use constant zero when expanding with divu2
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Mike Frysinger
40f40fc8f0 tcg: drop unused tcg_temp_free define
Use of the API was removed a while back, but the define wasn't.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231015010046.16020-1-vapier@gentoo.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
2e486b5901 tcg/s390x: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
4944d35910 tcg/riscv: Use tcg_use_softmmu
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
cf0ed30eb1 tcg/riscv: Do not reserve TCG_GUEST_BASE_REG for guest_base zero
Fixes: 92c041c59b ("tcg/riscv: Add the prologue generation and register the JIT")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
5b5bd4a9b1 tcg/ppc: Use tcg_use_softmmu
Fix TCG_GUEST_BASE_REG to use 'TCG_REG_R30' instead of '30'.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
e3a650cd9d tcg/mips: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
10e1fd2784 tcg/loongarch64: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
915e1d52e2 tcg/i386: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
e2b7a40d05 tcg/aarch64: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
2c53bdf110 tcg/arm: Use tcg_use_softmmu
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:28 -07:00
Richard Henderson
23088ca0bc tcg: Provide guest_base fallback for system mode
Provide a define to allow !tcg_use_softmmu code paths to
compile in system mode, but require elimination.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
397cabaae0 tcg: Introduce tcg_use_softmmu
Begin disconnecting CONFIG_SOFTMMU from !CONFIG_USER_ONLY.
Introduce a variable which can be set at startup to select
one method or another for user-only.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
cc3f99aac4 tcg/ppc: Disable TCG_REG_TB for Power9/Power10
This appears to slightly improve performance on power9/10.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
1958dbbd2a tcg/ppc: Use PLD in tcg_out_goto_tb
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
c90f897a54 tcg/ppc: Use prefixed instructions in tcg_out_dupi_vec
The prefixed instructions have a pc-relative form to use here.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
d90b23af6d tcg/ppc: Use PLD in tcg_out_movi for constant pool
The prefixed instruction has a pc-relative form to use here.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
1f8e4dc182 tcg/ppc: Use prefixed instructions in tcg_out_mem_long
When the offset is out of range of the non-prefixed insn, but
fits the 34-bit immediate of the prefixed insn, use that.

Reviewed-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
103044e406 tcg/ppc: Use PADDI in tcg_out_movi
PADDI can load 34-bit immediates and 34-bit pc-relative addresses.

Reviewed-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
4a388c7932 tcg/ppc: Use ADDPCIS in tcg_out_goto_tb
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
7a379976d6 tcg/ppc: Use ADDPCIS for the constant pool
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
776cd9b648 tcg/ppc: Use ADDPCIS in tcg_out_movi_int
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
3acd75b851 tcg/ppc: Use ADDPCIS in tcg_out_tb_start
With ISA v3.0, we can use ADDPCIS instead of BCL+MFLR to load NIA.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
4430b60c7f tcg/ppc: Reinterpret tb-relative to TB+4
It saves one insn to load the address of TB+4 instead of TB.
Adjust all of the indexing to match.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Jordan Niethe
03434d5202 tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB
Direct branch patching was disabled when using TCG_REG_TB in commit
736a1588c1 ("tcg/ppc: Fix race in goto_tb implementation").

The issue with direct branch patching with TCG_REG_TB is the lack of
synchronization between the new TCG_REG_TB being established and the
direct branch being patched in.

If each translation block is responsible for establishing its own
TCG_REG_TB then there can be no synchronization issue.

Make each translation block begin by setting up its own TCG_REG_TB.
Use the preferred 'bcl 20,31,$+4' sequence.

Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
[rth: Split out tcg_out_tb_start, power9 addpcis]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
Richard Henderson
096d118592 tcg/ppc: Untabify tcg-target.c.inc
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22 16:32:27 -07:00
David Woodhouse
c7016bf700 intel-iommu: Report interrupt remapping faults, fix return value
A generic X86IOMMUClass->int_remap function should not return VT-d
specific values; fix it to return 0 if the interrupt was successfully
translated or -EINVAL if not.

The VTD_FR_IR_xxx values are supposed to be used to actually raise
faults through the fault reporting mechanism, so do that instead for
the case where the IRQ is actually being injected.

There is more work to be done here, as pretranslations for the KVM IRQ
routing table can't fault; an untranslatable IRQ should be handled in
userspace and the fault raised only when the IRQ actually happens (if
indeed the IRTE is still not valid at that time). But we can work on
that later; we can at least raise faults for the direct case.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <31bbfc9041690449d3ac891f4431ec82174ee1b4.camel@infradead.org>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-22 05:18:17 -04:00
Thomas Huth
5e7abc29c5 MAINTAINERS: Add include/hw/intc/i8259.h to the PC chip section
i8259.c is already listed here, so the corresponding header should
be mentioned in this section, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231017152625.229022-1-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-22 05:18:17 -04:00
Hanna Czenczek
d4eb503808 vhost-user: Fix protocol feature bit conflict
The VHOST_USER_PROTOCOL_F_XEN_MMAP feature bit was defined in
f21e95ee97, which has been part of qemu's 8.1.0 release.  However, it
seems it was never added to qemu's code, but it is well possible that it
is already used by different front-ends outside of qemu (i.e., Xen).

VHOST_USER_PROTOCOL_F_SHARED_OBJECT in contrast was added to qemu's code
in 1609476662, but never defined in the vhost-user specification.  As a
consequence, both bits were defined to be 17, which cannot work.

Regardless of whether actual code or the specification should take
precedence, F_XEN_MMAP is already part of a qemu release, while
F_SHARED_OBJECT is not.  Therefore, bump the latter to take number 18
instead of 17, and add this to the specification.

Take the opportunity to add at least a little note on the
VhostUserShared structure to the specification.  This structure is
referenced by the new commands introduced in 1609476662, but was not
defined.

Fixes: 1609476662
       ("vhost-user: add shared_object msg")
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20231016083201.23736-1-hreitz@redhat.com>
Reviewed-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-22 05:18:17 -04:00