Commit Graph

99452 Commits

Author SHA1 Message Date
Icenowy Zheng 9dd1d56e57 tcg/tci: fix logic error when registering helpers via FFI
When registering helpers via FFI for TCI, the inner loop that iterates
parameters of the helper reuses (and thus pollutes) the same variable
used by the outer loop that iterates all helpers, thus made some helpers
unregistered.

Fix this logic error by using a dedicated temporary variable for the
inner loop.

Fixes: 22f15579fa ("tcg: Build ffi data structures for helpers")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Message-Id: <20221028072145.1593205-1-uwu@icenowy.me>
[rth: Move declaration of j to the for loop itself]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-11-01 07:28:53 +11:00
Richard Henderson a59a293126 tcg/sparc64: Remove sparc32plus constraints
With sparc64 we need not distinguish between registers that
can hold 32-bit values and those that can hold 64-bit values.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-11-01 07:28:53 +11:00
Richard Henderson 6d0b52ed88 tcg/sparc64: Rename from tcg/sparc
Emphasize that we only support full 64-bit code generation.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-11-01 07:28:53 +11:00
Richard Henderson 3a5f6805c7 tcg/sparc: Remove support for sparc32plus
Since 9b9c37c364, we have only supported sparc64 cpus.
Debian and Gentoo now only support 64-bit sparc64 userland,
so it is time to drop the 32-bit sparc64 userland: sparc32plus.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-11-01 07:28:53 +11:00
BALATON Zoltan 53cb552dae mac_newworld: Turn CORE99_VIA_CONFIG defines into an enum
This might allow the compiler to check values.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <f9da172e486c1f57f8542c7c3cb0223cffa89b1f.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan cc537e1338 mac_{old|new}world: Code style fix adding missing braces to if-s
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <ab891af01894bc01df0df78247da00fef4f59242.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 458586fe19 mac_nvram: Use NVRAM_SIZE constant
The NVRAM_SIZE constant was defined but not used. Rename it to
MACIO_NVRAM_SIZE to match the device model and use it where appropriate.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <5b53c70438dfb46837af8a094e753706b06c4ec6.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 443f07b73d hw/ppc/mac.h: Rename to include/hw/nvram/mac_nvram.h
All that is left in mac.h now belongs to the nvram emulation so rename
it accordingly and only include it where it is really used.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <b82449369f718c0e207fe8c332fab550fa0230c0.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 3d0031c17d hw/ppc/mac.h: Move PROM and KERNEL defines to board code
The PROM_FILENAME and KERNEL_* defines are used by mac_oldworld and
mac_newworld but they don't have to be identical so these could be
moved to the individual boards.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <5fa693334adf166d23931c81d81ada4e3441ed7d.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 87e5a4f8c2 hw/ppc/mac.h: Move grackle-pcihost type declaration out to a header
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <b133a84dfd38366eea2bb11b7ca433758efacc10.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 55078ea777 hw/ppc/mac.h: Move macio specific parts out from shared header
Move the parts specific to and only used by macio out from the shared
mac.h into macio.c where they better belong.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <ac570ce9dcbae169310503689053807b8b4b86bc.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan cfb47bfaa1 hw/ppc/mac.h: Move newworld specific parts out from shared header
Move the parts specific to and only used by mac99 out from the shared
mac.h into mac_newworld.c where they better belong.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <f3c6862de5b51ef49ae0714cf7ee21828d0502cf.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 18e0383b5c mac_{old|new}world: Reduce number of QOM casts
By storing the device pointers in a variable with the right type the
number of QOM casts can be reduced which also makes the code more
readable.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <f701e5ae03c806969561a7fd7523ef407db6dc89.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 50c496d272 mac_newworld: Clean up creation of Uninorth devices
Map regions in ascending order and reorganise code a bit to avoid some
casts and move Uninorth parts together.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <a6263b23757dd4a1e1b17a9aa9fb87115f3a1e71.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 6120dc8d9d mac_{old|new}world: Avoid else branch by setting default value
Several variables are set in if-else branches where the else branch
can be removed by setting a default value at the variable declaration
which leads to simlpler code that is easier to follow.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <8dac3515b29976a61dacda07752175d7531dca3c.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 6b924abe99 mac_{old|new}world: Set tbfreq at declaration
The tbfreq variable is only set once in an if-else which can be done
at the variable declaration saving some lines of code and making it
simpler.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <15668da8eb8bad4561428a5f25b02f91e16d9c1b.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan 94c92e1a86 mac_oldworld: Drop some more variables
Drop some more local variables additionally to commit b8df32555c to
match clean ups done to mac_newwold in previous patch.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <1b9a448431d9b1198432151af0511316cfc20d21.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
BALATON Zoltan cc4a140a75 mac_newworld: Drop some variables
Values not used frequently enough may not worth putting in a local
variable, especially with names almost as long as the original value
because that does not improve readability, to the contrary it makes it
harder to see what value is used. Drop a few such variables. This is
the same clean up that was done for mac_oldworld in commit b8df32555c.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <a3ee09dea27af9685fd2ccd2f7ab40a813d6812f.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2022-10-31 18:48:23 +00:00
Alberto Faria 6c32fc0df9 block/blkio: Make driver nvme-io_uring take a "path" instead of a "filename"
The nvme-io_uring driver expects a character special file such as
/dev/ng0n1. Follow the convention of having a "filename" option when a
regular file is expected, and a "path" option otherwise.

This makes io_uring the only libblkio-based driver with a "filename"
option, as it accepts a regular file (even though it can also take a
block special file).

Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221028233854.839933-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 14:35:14 -04:00
Alberto Faria 4c8f4fda05 block/blkio: Tolerate device size changes
Some libblkio drivers may be able to work with regular files (e.g.,
io_uring) or otherwise resizable devices. Conservatively set
BlockDriver::has_variable_length to true to ensure bdrv_nb_sectors()
always gives up-to-date results.

Also implement BlockDriver::bdrv_co_truncate for the case where no
preallocation is needed and the device already has a size compatible
with what was requested.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221029122031.975273-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 14:33:15 -04:00
Alberto Faria 03d9e4c0db block/blkio: Add virtio-blk-vfio-pci BlockDriver
libblkio 1.1.0 [1] introduces a virtio-blk-vfio-pci driver, which
accesses a virtio-blk PCI device using VFIO. Add a corresponding
BlockDriver.

[1] https://gitlab.com/libblkio/libblkio/-/tree/v1.1.0

Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221028131635.710267-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 14:24:33 -04:00
Peter Maydell 5107fd3eff net/vhost-vdpa.c: Fix clang compilation failure
Commit 8801ccd050 introduced a compilation failure with clang
version 10.0.0-4ubuntu1:

../../net/vhost-vdpa.c:654:16: error: variable 'vdpa_device_fd' is
used uninitialized whenever 'if' condition is false
[-Werror,-Wsometimes-uninitialized]
    } else if (opts->has_vhostfd) {
               ^~~~~~~~~~~~~~~~~
../../net/vhost-vdpa.c:662:33: note: uninitialized use occurs here
    r = vhost_vdpa_get_features(vdpa_device_fd, &features, errp);
                                ^~~~~~~~~~~~~~
../../net/vhost-vdpa.c:654:12: note: remove the 'if' if its condition
is always true
    } else if (opts->has_vhostfd) {
           ^~~~~~~~~~~~~~~~~~~~~~~
../../net/vhost-vdpa.c:629:23: note: initialize the variable
'vdpa_device_fd' to silence this warning
    int vdpa_device_fd;
                      ^
                       = 0
1 error generated.

It's a false positive -- the compiler doesn't manage to figure out
that the error checks further up mean that there's no code path where
vdpa_device_fd isn't initialized.  Put another way, the problem is
that we check "if (opts->has_vhostfd)" when in fact that condition
must always be true.  A cleverer static analyser would probably warn
that we were checking an always-true condition.

Fix the compilation failure by removing the unnecessary if().

Fixes: 8801ccd050 ("vhost-vdpa: allow passing opened vhostfd to vhost-vdpa")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20221031132901.1277150-1-peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 13:01:31 -04:00
Stefan Hajnoczi 0d0e18cf7d Patches for Windows
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Merge tag 'pull-qemu-20221031' of https://gitlab.com/stweil/qemu into staging

Patches for Windows

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# gpg: Signature made Mon 31 Oct 2022 05:06:53 EDT
# gpg:                using RSA key 49236FEA75C95D698EC2B78AE08C21D5677450AD
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# gpg:                 aka "Stefan Weil (Universitätsbibliothek Mannheim) <stefan.weil@uni-mannheim.de>" [unknown]
# gpg:                 aka "Stefan Weil <stefan.weil@bib.uni-mannheim.de>" [unknown]
# gpg:                 aka "Stefan Weil <stefan.weil@weilnetz.de>" [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: 4923 6FEA 75C9 5D69 8EC2  B78A E08C 21D5 6774 50AD

* tag 'pull-qemu-20221031' of https://gitlab.com/stweil/qemu:
  block/nfs: Fix 32-bit Windows build
  scripts/nsis.py: Automatically package required DLLs of QEMU executables
  scripts/nsis.py: Fix destination directory name when invoked on Windows
  scripts/nsis.py: Drop the unnecessary path separator

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 13:01:12 -04:00
Stefan Hajnoczi 95539e5467 MIPS patches queue
- Convert nanoMIPS disassembler from C++ to C (Milica Lazarevic)
 - Consolidate VT82xx/PIIX south bridges (Bernhard Beschow)
 - Remove unused MAX_IDE_BUS definition (Zoltan Balaton)
 - Fix branch displacement for BEQZC/BNEZC (David Daney)
 - Don't set link_up for Boston's xilinx-pcie (Jiaxun Yang)
 - Use bootloader API to set BAR registers in Malta (Jiaxun Yang)
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Merge tag 'mips-20221030' of https://github.com/philmd/qemu into staging

MIPS patches queue

- Convert nanoMIPS disassembler from C++ to C (Milica Lazarevic)
- Consolidate VT82xx/PIIX south bridges (Bernhard Beschow)
- Remove unused MAX_IDE_BUS definition (Zoltan Balaton)
- Fix branch displacement for BEQZC/BNEZC (David Daney)
- Don't set link_up for Boston's xilinx-pcie (Jiaxun Yang)
- Use bootloader API to set BAR registers in Malta (Jiaxun Yang)

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# gpg: Signature made Mon 31 Oct 2022 06:35:27 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-20221030' of https://github.com/philmd/qemu: (55 commits)
  hw/mips/malta: Use bootloader helper to set BAR registers
  hw/mips: Use bl_gen_kernel_jump to generate bootloaders
  hw/mips/bootloader: Allow bl_gen_jump_kernel to optionally set register
  hw/mips/boston: Don't set link_up for xilinx-pcie
  hw/isa/piix4: Move pci_ide_create_devs() call to board code
  hw/isa/piix4: Add missing initialization
  hw/isa/Kconfig: Fix dependencies of piix4 southbridge
  hw/mips/malta: Reuse dev variable
  hw/isa/piix3: Remove unused include
  hw/ide/piix: Introduce TYPE_ macros for PIIX IDE controllers
  hw/isa/piix4: Rename wrongly named method
  hw/isa/piix3: Prefer pci_address_space() over get_system_memory()
  hw/isa/piix3: Modernize reset handling
  hw/isa/piix3: Add size constraints to rcr_ops
  hw/isa/piix3: Remove extra ';' outside of functions
  hw/i386/pc: Create DMA controllers in south bridges
  disas/mips: Fix branch displacement for BEQZC and BNEZC
  disas/nanomips: Rename nanomips.cpp to nanomips.c
  disas/nanomips: Remove argument passing by ref
  disas/nanomips: Replace Cpp enums for C enums
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 06:36:15 -04:00
Jiaxun Yang 0c8427baf0 hw/mips/malta: Use bootloader helper to set BAR registers
Translate embedded assembly into IO writes which is more
readable.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20210127065424.114125-4-jiaxun.yang@flygoat.com>
[PMD: Explode addresses/values to ease review/maintainance]
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221026191821.28167-4-philmd@linaro.org>
2022-10-31 11:32:56 +01:00
Jiaxun Yang fe1f2f4e92 hw/mips: Use bl_gen_kernel_jump to generate bootloaders
Replace embedded binary with generated code.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20210127065424.114125-3-jiaxun.yang@flygoat.com>
[PMD: Pass semihosting_get_argc() to bl_gen_jump_kernel()]
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221026191821.28167-3-philmd@linaro.org>
2022-10-31 11:32:54 +01:00
Philippe Mathieu-Daudé 36d7487b2a hw/mips/bootloader: Allow bl_gen_jump_kernel to optionally set register
When one of the $sp/$a[0..3] register is already set, we might
want bl_gen_jump_kernel() to NOT set it again. Pass a boolean
argument for each register, to allow to optionally set them.

Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221026191821.28167-2-philmd@linaro.org>
2022-10-31 11:32:45 +01:00
Jiaxun Yang 3c43fc333b hw/mips/boston: Don't set link_up for xilinx-pcie
PCIe port 0 and 1 had link_up set as false previously,
that makes those two ports effectively useless. It can
be annoying for users to find that the device they plug
on those buses won't work at all.

As link_up is true by default, just don't set it again in
boston platform code.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20221024143540.97545-1-jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow d240d3fb14 hw/isa/piix4: Move pci_ide_create_devs() call to board code
For the VIA south bridges there was a comment to have the call in board code.
Move it there for PIIX4 as well for consistency.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-29-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow a1c100d0fb hw/isa/piix4: Add missing initialization
PIIX3 clears its reset control register, so do the same in PIIX4.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20221022150508.26830-28-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 195f7e77de hw/isa/Kconfig: Fix dependencies of piix4 southbridge
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20221022150508.26830-27-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow e5b6c3e2fe hw/mips/malta: Reuse dev variable
While at it, move the assignments closer to where they are used.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221022150508.26830-26-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 90ba5c511a hw/isa/piix3: Remove unused include
Ammends commit 988fb61321.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221022150508.26830-19-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow bb2e9b1d66 hw/ide/piix: Introduce TYPE_ macros for PIIX IDE controllers
Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221022150508.26830-9-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 0b6fdb933b hw/isa/piix4: Rename wrongly named method
This method post-loads the southbridge, not the IDE device.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-8-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 57654b8e98 hw/isa/piix3: Prefer pci_address_space() over get_system_memory()
get_system_memory() accesses global state while pci_address_space() uses
whatever has been passed to the device instance, so avoid the global.
Moreover, PIIX4 uses pci_address_space() here as well.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-7-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow a1b05751fa hw/isa/piix3: Modernize reset handling
Rather than registering the reset handler via a function which
appends the handler to a global list, prefer to implement it as
a virtual method - PIIX4 does the same already.

Note that this means that piix3_reset can now also be called writing to
the relevant configuration space register on a PCI bridge.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 3ee15e8074 hw/isa/piix3: Add size constraints to rcr_ops
According to the PIIX3 datasheet, the reset control register is one byte in size.
Moreover, PIIX4 has it, so add it to PIIX3 as well.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-5-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 05c049f12b hw/isa/piix3: Remove extra ';' outside of functions
Fixes the "extra-semi" clang-tidy check.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-4-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Bernhard Beschow 503a35e7fd hw/i386/pc: Create DMA controllers in south bridges
Just like in the real hardware (and in PIIX4), create the DMA
controllers in the south bridges.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-2-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
David Daney a6d89b454c disas/mips: Fix branch displacement for BEQZC and BNEZC
disas/mips.c got added in commit 6643d27ea0 ("MIPS disas support")
apparently based on binutils tag 'gdb_6_1-branchpoint' [1].
Back then, MIPSr6 was not supported (added in binutils commit
7361da2c952 during 2014 [2]).

Binutils codebase diverged so much over the last 18 years, it is
not possible to simply cherry-pick their changes, so fix it BEQZC /
BNEZC 21-bit signed branch displacement locally.

[1] https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=opcodes/mips-dis.c;hb=refs/tags/gdb_6_1-branchpoint
[2] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=7361da2c952

Fixes: 31837be3ee ("target-mips: add compact and CP1 branches")
Signed-off-by: David Daney <david.daney@fungible.com>
Reviewed-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
[PMD: Added commit description]
Signed-off-by: Philippe Mathieu-Daudé <philmd@fungible.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221014112322.61119-1-philmd@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 2413e000bb disas/nanomips: Rename nanomips.cpp to nanomips.c
Now that everything has been converted to C code the nanomips.cpp file
has been renamed. Therefore, meson.build file is also changed.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-25-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic a0fee12944 disas/nanomips: Remove argument passing by ref
Replaced argument passing by reference with passing by address.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-24-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic e8ba8ef873 disas/nanomips: Replace Cpp enums for C enums
Change enums to typedef enums to keep naming clear.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-23-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 39399c381d disas/nanomips: Replace exception handling
Since there's no support for exception handling in C, the try-catch
blocks have been deleted, and throw clauses are replaced. When a runtime
error happens, we're printing out the error message. Disassembling of
the current instruction interrupts. This behavior is achieved by adding
sigsetjmp() to discard further disassembling after the error message
prints and by adding the siglongjmp() function to imitate throwing an
error. The goal was to maintain the same output as it was.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-22-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 3f2aec0778 disas/nanomips: Expand Dis_info struct
This patch expands the Dis_info struct, which should hold the
necessary data for handling runtime errors. Fields fprintf_func and
stream are in charge of error printing. Field buf enables the use of
sigsetjmp() and siglongjmp() functions. Support for runtime error
handling will be added later.

We're filling Dis_info at the entrance of the nanoMIPS disassembler,
i.e. print_insn_nanomips. Next, we're adding that information as an
argument wherever we need to.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-21-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 49ec1c98a3 disas/nanomips: Remove function overloading
Disassemble function that calls the other variant of it is deleted.
Where it is called, now we're directly calling the other implementation.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-20-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 22e7b52acd disas/nanomips: Prevent memory leaking
g_autofree attribute is added for every dynamically allocated string to
prevent memory leaking.

The implementation of the several functions that work with dynamically
allocated strings is slightly changed so we can add those attributes.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-19-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 043dc73cbc disas/nanomips: Remove CPR function
CPR functions has been removed.

Before this patch, we'd been calling img_format twice, the first time
through the CPR function to get an appropriate string and the second
time to print that formatted string. There's no more need for that.
Therefore, calls to CPR are removed, and now we're directly printing
"CP" and integer value instead.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-18-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00
Milica Lazarevic 4066c152b3 disas/nanomips: Remove IMMEDIATE functions
Both versions of IMMEDIATE functions have been removed.

Before this patch, we'd been calling img_format twice, the first time
through the IMMEDIATE to get an appropriate string and the second time
to print that string. There's no more need for that. Therefore, calls to
IMMEDIATE are removed, and now we're directly printing the integer
values instead.

Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220912122635.74032-17-milica.lazarevic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-10-31 11:32:07 +01:00