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Peter Maydell [Wed, 8 Sep 2021 15:44:04 +0000 (16:44 +0100)]
linux-user: Don't include gdbstub.h in qemu.h
Currently the linux-user qemu.h pulls in gdbstub.h. There's no real reason
why it should do this; include it directly from the C files which require
it, and drop the include line in qemu.h.
(Note that several of the C files previously relying on this indirect
include were going out of their way to only include gdbstub.h conditionally
on not CONFIG_USER_ONLY!)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-9-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:44:03 +0000 (16:44 +0100)]
linux-user: Split linux-user internals out of qemu.h
qemu.h is included in various non-linux-user files (which
mostly want the TaskState struct and the functions for
doing usermode access to guest addresses like lock_user(),
unlock_user(), get_user*(), etc).
Split out the parts that are only used in linux-user itself
into a new user-internals.h. This leaves qemu.h with basically
three things:
* the definition of the TaskState struct
* the user-access functions and macros
* do_brk()
all of which are needed by code outside linux-user that
includes qemu.h.
The addition of all the extra #include lines was done with
sed -i '/include.*qemu\.h/a #include "user-internals.h"' $(git grep -l 'include.*qemu\.h' linux-user)
(and then undoing the change to fpa11.h).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-8-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:44:02 +0000 (16:44 +0100)]
linux-user: Split safe-syscall macro into its own header
Split the safe-syscall macro from qemu.h into a new safe-syscall.h.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-7-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:44:01 +0000 (16:44 +0100)]
linux-user: Split mmap prototypes into user-mmap.h
Split out the mmap prototypes into a new header user-mmap.h
which we only include where required.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-6-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:44:00 +0000 (16:44 +0100)]
linux-user: Split loader-related prototypes into loader.h
Split guest-binary loader prototypes out into a new header
loader.h which we include only where required.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-5-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:43:59 +0000 (16:43 +0100)]
linux-user: Split signal-related prototypes into signal-common.h
Split the signal related prototypes into the existing header file
signal-common.h, and include it in those places that now require it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-4-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:43:58 +0000 (16:43 +0100)]
linux-user: Split strace prototypes into strace.h
The functions implemented in strace.c are only used in a few files in
linux-user; split them out of qemu.h and into a new strace.h header
which we include in the places that need it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-3-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Wed, 8 Sep 2021 15:43:57 +0000 (16:43 +0100)]
linux-user: Fix coding style nits in qemu.h
We're about to move a lot of the code in qemu.h out into different
header files; fix the coding style nits first so that checkpatch
is happy with the pure code-movement patches. This is mostly
block-comment style but also a few whitespace issues.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210908154405.15417-2-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Peter Maydell [Mon, 13 Sep 2021 12:33:21 +0000 (13:33 +0100)]
Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
* Fixes for "-cpu max" on i386 TCG (Daniel)
* vVMLOAD/VMSAVE and vGIF implementation (Lara)
* Reorganize i386 targets documentation in preparation for SGX (myself)
* Meson cleanups (myself, Thomas)
* NVMM fixes (Reinoud)
* Suppress bogus -Wstringop-overflow (Richard)
# gpg: Signature made Mon 13 Sep 2021 12:56:33 BST
# 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
* remotes/bonzini-gitlab/tags/for-upstream: (21 commits)
docs: link to archived Fedora code of conduct
Fix nvmm_ram_block_added() function arguments
Only check CONFIG_NVMM when NEED_CPU_H is defined
util: Suppress -Wstringop-overflow in qemu_thread_start
fw_cfg: add etc/msr_feature_control
meson: remove dead variable
meson: do not use python.full_path() unnecessarily
meson: look up cp and dtrace with find_program()
meson.build: Do not look for VNC-related libraries if have_system is not set
docs/system: move x86 CPU configuration to a separate document
docs/system: standardize man page sections to --- with overline
docs: standardize directory index to --- with overline
docs: standardize book titles to === with overline
target/i386: Added vVMLOAD and vVMSAVE feature
target/i386: Added changed priority check for VIRQ
target/i386: Added ignore TPR check in ctl_has_irq
target/i386: Added VGIF V_IRQ masking capability
target/i386: Moved int_ctl into CPUX86State structure
target/i386: Added VGIF feature
target/i386: VMRUN and VMLOAD canonicalizations
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Paolo Bonzini [Thu, 9 Sep 2021 14:25:55 +0000 (16:25 +0200)]
docs: link to archived Fedora code of conduct
Fedora has switched to a different CoC. QEMU's own code of conduct
is based on the previous version and cites it as a source. Replace
the link with one to the Wayback Machine.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reinoud Zandijk [Sun, 18 Jul 2021 13:46:50 +0000 (15:46 +0200)]
Fix nvmm_ram_block_added() function arguments
A parameter max_size was added to the RAMBlockNotifier
ram_block_added function. Use the max_size for pre allocation
of hva space.
Signed-off-by: Reinoud Zandijk <Reinoud@NetBSD.org>
Message-Id: <
20210718134650.1191-3-reinoud@NetBSD.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reinoud Zandijk [Sun, 18 Jul 2021 13:46:49 +0000 (15:46 +0200)]
Only check CONFIG_NVMM when NEED_CPU_H is defined
Userland targers will otherwise use a poisoned CONFIG_NVMM
Signed-off-by: Reinoud Zandijk <Reinoud@NetBSD.org>
Message-Id: <
20210718134650.1191-2-reinoud@NetBSD.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Richard Henderson [Tue, 3 Aug 2021 21:19:07 +0000 (11:19 -1000)]
util: Suppress -Wstringop-overflow in qemu_thread_start
This seems to be either a glibc or gcc bug, but the code
appears to be fine with the warning suppressed.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20210803211907.150525-1-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 17:02:07 +0000 (19:02 +0200)]
fw_cfg: add etc/msr_feature_control
The file already existed, but nobody had noticed the warning until now.
Add it at the bottom, since that is where unknown files go in legacy mode.
Fixes:
217f1b4a721 ("target-i386: Publish advised value of MSR_IA32_FEATURE_CONTROL via fw_cfg")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 8 Sep 2021 10:14:13 +0000 (12:14 +0200)]
meson: remove dead variable
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 8 Sep 2021 10:13:14 +0000 (12:13 +0200)]
meson: do not use python.full_path() unnecessarily
The "python" variable is an external program and can be passed
directly to custom_target. This avoids the need to look it up
multiple times, which was previously silent but is now explicit
in recent Meson versions.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 17:23:49 +0000 (19:23 +0200)]
meson: look up cp and dtrace with find_program()
Avoid that meson prints a "Program xyz found" test once per
custom_target.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Thomas Huth [Mon, 6 Sep 2021 15:39:39 +0000 (17:39 +0200)]
meson.build: Do not look for VNC-related libraries if have_system is not set
When running "./configure --static --disable-system" there is currently
a warning if the static version of libpng is missing:
WARNING: Static library 'png16' not found for dependency 'libpng', may not
be statically linked
Since it does not make sense to look for the VNC-related libraries at all
when we're building without system emulator binaries, let's add a check
for have_system here to silence this warning.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <
20210906153939.165567-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 14:08:59 +0000 (16:08 +0200)]
docs/system: move x86 CPU configuration to a separate document
Currently, cpu-models-x86.rst.inc is included in target-i386.rst directly.
To make the toctree more homogeneous when adding more documentation,
include it through a first-class .rst file.
Together with the previous changes to the man page skeletons, this also
frees "===" for the headings, so that cpu-models-x86.rst.inc need not
assume anything about the headings used by target-i386.rst.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 15:33:27 +0000 (17:33 +0200)]
docs/system: standardize man page sections to --- with overline
Man pages in docs/system use file inclusion heavily. Use headings with
overlines in the main files, so that the same included file work well
from both manuals and man pages.
This style of heading is a bit more heavy-weight, so it is not used by
the other man pages in interop/ and tools/. If in the future they
are changed to use include files, for example to avoid having sections
named "synopsis" or "description", they can switch to --- with overline
as well.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 14:01:28 +0000 (16:01 +0200)]
docs: standardize directory index to --- with overline
Use a standard heading format for the index.rst file in a directory.
Using overlines makes it clear that individual documents can use e.g.
=== for chapter titles and --- for section titles, as suggested in the
Linux kernel guidelines[1]. They could do it anyway, because documents
included in a toctree are parsed separately and therefore are not tied
to the same conventions for headings. However, keeping some consistency is
useful since sometimes files are included from multiple places.
[1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 7 Sep 2021 13:58:12 +0000 (15:58 +0200)]
docs: standardize book titles to === with overline
Documents within a Sphinx manual are separate files and therefore can use
different conventions for headings. However, keeping some consistency is
useful so that included files are easy to get right.
This patch uses a standard heading format for book titles, so that it is
obvious when a file sits at the top level toctree of a book or man page.
The heading is irrelevant for man pages, but keep it consistent as well.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Mon, 9 Aug 2021 14:26:28 +0000 (16:26 +0200)]
target/i386: Added vVMLOAD and vVMSAVE feature
The feature allows the VMSAVE and VMLOAD instructions to execute in guest mode without
causing a VMEXIT. (APM2 15.33.1)
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Fri, 13 Aug 2021 09:45:52 +0000 (11:45 +0200)]
target/i386: Added changed priority check for VIRQ
Writes to cr8 affect v_tpr. This could set or unset an interrupt
request as the priority might have changed.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Tue, 17 Aug 2021 17:30:45 +0000 (19:30 +0200)]
target/i386: Added ignore TPR check in ctl_has_irq
The APM2 states that if V_IGN_TPR is nonzero, the current
virtual interrupt ignores the (virtual) TPR.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Thu, 5 Aug 2021 11:08:23 +0000 (13:08 +0200)]
target/i386: Added VGIF V_IRQ masking capability
VGIF provides masking capability for when virtual interrupts
are taken. (APM2)
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Sat, 14 Aug 2021 07:51:00 +0000 (09:51 +0200)]
target/i386: Moved int_ctl into CPUX86State structure
Moved int_ctl into the CPUX86State structure. It removes some
unnecessary stores and loads, and prepares for tracking the vIRQ
state even when it is masked due to vGIF.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Fri, 30 Jul 2021 07:07:42 +0000 (09:07 +0200)]
target/i386: Added VGIF feature
VGIF allows STGI and CLGI to execute in guest mode and control virtual
interrupts in guest mode.
When the VGIF feature is enabled then:
* executing STGI in the guest sets bit 9 of the VMCB offset 60h.
* executing CLGI in the guest clears bit 9 of the VMCB offset 60h.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Message-Id: <
20210730070742.9674-1-laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Lara Lazier [Wed, 4 Aug 2021 11:30:58 +0000 (13:30 +0200)]
target/i386: VMRUN and VMLOAD canonicalizations
APM2 requires that VMRUN and VMLOAD canonicalize (sign extend to 63
from 48/57) all base addresses in the segment registers that have been
respectively loaded.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Message-Id: <
20210804113058.45186-1-laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Daniel P. Berrangé [Tue, 31 Aug 2021 17:50:33 +0000 (18:50 +0100)]
target/i386: add missing bits to CR4_RESERVED_MASK
Booting Fedora kernels with -cpu max hangs very early in boot. Disabling
the la57 CPUID bit fixes the problem. git bisect traced the regression to
commit
213ff024a2f92020290296cb9dc29c2af3d4a221 (HEAD, refs/bisect/bad)
Author: Lara Lazier <laramglazier@gmail.com>
Date: Wed Jul 21 17:26:50 2021 +0200
target/i386: Added consistency checks for CR4
All MBZ bits in CR4 must be zero. (APM2 15.5)
Added reserved bitmask and added checks in both
helper_vmrun and helper_write_crN.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Message-Id: <
20210721152651.14683-2-laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In this commit CR4_RESERVED_MASK is missing CR4_LA57_MASK and
two others. Adding this lets Fedora kernels boot once again.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <
20210831175033.175584-1-berrange@redhat.com>
[Removed VMXE/SMXE, matching the commit message. - Paolo]
Fixes:
213ff024a2 ("target/i386: Added consistency checks for CR4", 2021-07-22)
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Peter Maydell [Mon, 13 Sep 2021 10:00:30 +0000 (11:00 +0100)]
Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-09-13' into staging
QAPI patches patches for 2021-09-13
# gpg: Signature made Mon 13 Sep 2021 08:53:42 BST
# 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
* remotes/armbru/tags/pull-qapi-2021-09-13:
qapi: Fix bogus error for 'if': { 'not': '' }
tests/qapi-schema: Cover 'not' condition with empty argument
qapi: Bury some unused code in class Indentation
qapi: Drop Indentation.__bool__()
qapi: Fix a botched type annotation
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Sat, 11 Sep 2021 13:00:39 +0000 (14:00 +0100)]
Merge remote-tracking branch 'remotes/bsdimp/tags/pull-bsd-user-
20210910' into staging
This series of patches gets me to the point that I can run "Hello World" on i386
and x86_64. This is for static binaries only, that are relatively small, but
it's better than the 100% instant mmap failre that is the current state of all
things bsd-user in upstream qemu. Future patch sets will refine this, add
the missing system calls, fix bugs preventing more sophisticated programms
from running and add a bunch of new architecture support.
There's three large themes in these patches, though the changes that
represent them are interrelated making it hard to separate out further.
1. Reorganization to support multiple OS and architectures (though I've only
tested FreeBSD, other BSDs might not even compile yet).
2. Diff reduction with the bsd-user fork for several files. These diffs include
changes that borrowed from linux-user as well as changes to make things work
on FreeBSD. The records keeping when this was done, however, was poor at
best, so many of the specific borrowings are going unacknowledged here, apart
from this general ack. These diffs also include some minor code shuffling.
Some of the changes are done specifically to make it easier to rebase
the bsd-user fork's changes when these land in the tree (a number of changes
have been pushed there to make this more possible).
3. Filling in the missing pieces to make things work. There's many changes to
elfload to make it load things in the right places, to find the interpreter
better, etc. There's changes to mmap.c to make the mappings work better and
there's changes to main.c that were inspired, at least, by now-ancient changes
to linux-user's main.c.
I ran checkpatch.pl on this, and there's 350-odd errors it identifies (the vast
majoirty come from BSD's fetish for tabs), so there will need to be a V2 to fix
this at the very least. In addition, the change set is big (about +~4.5k/-~2.5k
lines), so I anticipate some iteration as well just based on its sheer
size. I've tried to keep each set small to make it easy to review in isolation,
but I've also allowed some interrelated ones to get a little bigger than I'd
normally like. I've not done the customary documentation of the expected
checkpatch.pl output because it is large, and because I wanted to get review
of the other parts rolling to get this project unstuck. Future versions of the
patch will document the expected output.
In addition, I noticed a number of places where I could modernize to make the
code match things like linux-user better. I've resisted the urge to do these at
this time, since it would complicate merging the other ~30k lines of diff that
remains after this batch. Future batches should generally be smaller once this
one has landed since they are, by and large, either a bunch of new files to
support armv7, aarch64, riscv64, mips, mipsel, mips64, ppc, ppc64 and ppc64le,
or are adding system calls, which can be done individually or small groups. I've
removed sparc and sparc64 support as they've been removed from FreeBSD and
have been near totally busted for years.
Stacey Son did the bulk of this work originally, but since I had to move things
around so much and/or retool that work in non-trivial ways, I've kept myself as
author, and added his signed-off-by line. I'm unsure of the qemu standard
practice for this, but am happy to learn if this is too far outside its current
mainstream. For a while Sean Bruno did the merges from upstream, and he's
credited using his signed-off-by in appropriate places, though for this patch
set there's only a few. I've tried to ensure that others who have work in
individual patches that I've aggregated together also are reflected in their
signed-off-by. Given the chaotic stat of the upstream repo for its early
history, this may be the best that can be reconstructed at this late date. Most
of these files are 'foundational' so have existed from the earliest days when
record keeping wasn't quite what I'd wish for in hindsight. There was only
really one change that I could easily cherry-pick (Colin's), so I did that.
# gpg: Signature made Fri 10 Sep 2021 21:24:08 BST
# gpg: using RSA key
2035F894B00AA3CF7CCDE1B76C1CD1287DB01100
# gpg: Good signature from "Warner Losh <wlosh@netflix.com>" [unknown]
# gpg: aka "Warner Losh <imp@bsdimp.com>" [unknown]
# gpg: aka "Warner Losh <imp@freebsd.org>" [unknown]
# gpg: aka "Warner Losh <imp@village.org>" [unknown]
# gpg: aka "Warner Losh <wlosh@bsdimp.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: 2035 F894 B00A A3CF 7CCD E1B7 6C1C D128 7DB0 1100
* remotes/bsdimp/tags/pull-bsd-user-
20210910: (42 commits)
bsd-user: Update mapping to handle reserved and starting conditions
bsd-user: Add '-0 argv0' option to bsd-user/main.c
bsd-user: Implement interlock for atomic operations
bsd-user: move gemu_log to later in the file
bsd-user: Refactor load_elf_sections and is_target_elf_binary
bsd-user: elfload.c style catch up patch
bsd-user: add stubbed out core dump support
bsd-user: Add target_os_user.h to capture the user/kernel structures
bsd-user: Add target_arch_reg to describe a target's register set
bsd-user: update debugging in mmap.c
bsd-user: Rewrite target system call definintion glue
bsd-user: Remove dead #ifdefs from elfload.c
bsd-user: elf cleanup
bsd-user: Add architecture specific signal tramp code
bsd-user: Move stack initializtion into a per-os file.
bsd-user: Implement --seed and initialize random state
bsd-user: *BSD specific siginfo defintions
bsd-user: Add system independent stack, data and text limiting
bsd-user: Create target specific vmparam.h
bsd-user: define max args in terms of pages
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Warner Losh [Fri, 6 Aug 2021 00:15:47 +0000 (18:15 -0600)]
bsd-user: Update mapping to handle reserved and starting conditions
Update the reserved base based on what platform we're on, as well as the
start of the mmap range. Update routines that find va ranges to interact
with the reserved ranges as well as properly align the mapping (this is
especially important for targets whose page size does not match the
host's). Loop where appropriate when the initial address space offered
by mmap does not meet the contraints.
This has
18e80c55bb6 from linux-user folded in to the upstream
bsd-user code as well.
Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Colin Percival [Sat, 7 Aug 2021 20:34:21 +0000 (14:34 -0600)]
bsd-user: Add '-0 argv0' option to bsd-user/main.c
Previously it was impossible to emulate a program with a file name
different from its argv[0]. With this change, you can run
qemu -0 fakename realname args
which runs the program "realname" with an argv of "fakename args".
Signed-off-by: Colin Percival <cperciva@tarsnap.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Sat, 7 Aug 2021 20:22:34 +0000 (14:22 -0600)]
bsd-user: Implement interlock for atomic operations
Implement the internlock in fork_start() and fork_end() to properly cope
with atomic operations and to safely keep state for parent and child
processes.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Sat, 7 Aug 2021 14:43:57 +0000 (08:43 -0600)]
bsd-user: move gemu_log to later in the file
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Fri, 6 Aug 2021 23:12:24 +0000 (17:12 -0600)]
bsd-user: Refactor load_elf_sections and is_target_elf_binary
Factor out load_elf_sections and is_target_elf_binary out of
load_elf_interp.
Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Fri, 6 Aug 2021 20:38:48 +0000 (14:38 -0600)]
bsd-user: elfload.c style catch up patch
Various style fixes to elfload.c that were too painful to make earlier
in this series.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 6 Aug 2021 20:20:16 +0000 (14:20 -0600)]
bsd-user: add stubbed out core dump support
Add a stubbed-out version of the bsd-user fork's core dump support. This
allows elfload.c to be almost the same between what's upstream and
what's in qemu-project upstream w/o the burden of reviewing the core
dump support.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 6 Aug 2021 20:05:41 +0000 (14:05 -0600)]
bsd-user: Add target_os_user.h to capture the user/kernel structures
This file evolved over the years to capture the user/kernel interfaces,
including those that changed over time.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Michal Meloun <mmel@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Fri, 6 Aug 2021 20:02:10 +0000 (14:02 -0600)]
bsd-user: Add target_arch_reg to describe a target's register set
target_reg_t is the normal register. target_fpreg_t is the floating
point registers. target_copy_regs copies the registers out of CPU
context for things like core dumps.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Thu, 5 Aug 2021 21:31:21 +0000 (15:31 -0600)]
bsd-user: update debugging in mmap.c
Update the debugging code for new features and different targets.
Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Sean Bruno <sbruno@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Thu, 5 Aug 2021 19:36:41 +0000 (13:36 -0600)]
bsd-user: Rewrite target system call definintion glue
Rewrite target definnitions to interface with the FreeBSD system calls.
This covers basic types (time_t, iovec, umtx_time, timespec, timeval,
rusage, rwusage) and basic defines (mmap, rusage). Also included are
FreeBSD version-specific variations.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Fri, 6 Aug 2021 17:56:45 +0000 (11:56 -0600)]
bsd-user: Remove dead #ifdefs from elfload.c
LOW_ELF_STACK doesn't exist on FreeBSD and likely never will. Remove it.
Likewise, remove an #if 0 block that's not useful
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 23:13:24 +0000 (17:13 -0600)]
bsd-user: elf cleanup
Move OS-dependent defines into target_os_elf.h. Move the architectural
dependent stuff into target_arch_elf.h. Adjust elfload.c to use
target_create_elf_tables instead of create_elf_tables.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Justin Hibbits <chmeeedalf@gmail.com>
Signed-off-by: Alexander Kabaev <kan@FreeBSD.ORG>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Wed, 4 Aug 2021 19:34:05 +0000 (13:34 -0600)]
bsd-user: Add architecture specific signal tramp code
Add a stubbed out version of setup_sigtramp. This is not yet used for
x86, but is used for other architectures. This will be connected in
future commits.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 19:49:21 +0000 (13:49 -0600)]
bsd-user: Move stack initializtion into a per-os file.
Move all of the stack initialization into target_os_stack.h. Each BSD
sets up processes a little differently.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Thu, 2 Sep 2021 22:52:45 +0000 (16:52 -0600)]
bsd-user: Implement --seed and initialize random state
Copy --seed implementation (translated from linux-user's newer command
line scheme to the older one bsd-user still uses). Initialize the
randomness with the glib if a specific seed is specified or use the
qcrypto library if not.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Thu, 5 Aug 2021 19:41:52 +0000 (13:41 -0600)]
bsd-user: *BSD specific siginfo defintions
Add FreeBSD, NetBSD and OpenBSD values for the various signal info types
and defines to decode different signals to discover more information
about the specific signal types.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Sat, 7 Aug 2021 00:48:37 +0000 (18:48 -0600)]
bsd-user: Add system independent stack, data and text limiting
Eliminate the x86 specific stack stuff in favor of more generic control
over the process size:
target_maxtsiz max text size
target_dfldsiz initial data size limit
target_maxdsiz max data size
target_dflssiz initial stack size limit
target_maxssiz max stack size
target_sgrowsiz amount to grow stack
These can be set on a per-arch basis, and the stack size can be set
on the command line. Adjust the stack size parameters at startup.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 06:39:39 +0000 (00:39 -0600)]
bsd-user: Create target specific vmparam.h
Target specific values for vm parameters and details.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 06:19:23 +0000 (00:19 -0600)]
bsd-user: define max args in terms of pages
For 32-bit platforms, pass in up to 256k of args. For 64-bit, bump that
to 512k.
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 05:27:25 +0000 (23:27 -0600)]
bsd-user: Include more things in qemu.h
Include more header files to match bsd-user fork.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Wed, 4 Aug 2021 04:04:20 +0000 (22:04 -0600)]
bsd-user: pull in target_arch_thread.h update target_arch_elf.h
Update target_arch_elf.h to remove thread_init. Move its contents to
target_arch_thread.h and rename to target_thread_init(). Update
elfload.c to call it. Create thread_os_thread.h to hold the os specific
parts of the thread and threat manipulation routines. Currently, it just
includes target_arch_thread.h. target_arch_thread.h contains the at the
moment unused target_thread_set_upcall which will be used in the future
when creating actual thread (i386 has this stubbed, but other
architectures in the bsd-user tree have real ones). FreeBSD doesn't do
AT_HWCAP, so remove that code. Linux does, and this code came from there.
These changes are all interrelated and could be brokend down, but seem
to represent a reviewable changeset since most of the change is boiler
plate.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Wed, 4 Aug 2021 01:05:40 +0000 (19:05 -0600)]
bsd-user: Move per-cpu code into target_arch_cpu.h
Move cpu_loop() into target_cpu_loop(), and put that in
target_arch_cpu.h for each architecture.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Tue, 3 Aug 2021 23:17:17 +0000 (17:17 -0600)]
bsd-user: start to move target CPU functions to target_arch*
Move the CPU functions into target_arch_cpu.c that are unique to each
CPU. These are defined in target_arch.h.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Tue, 3 Aug 2021 19:39:31 +0000 (13:39 -0600)]
bsd-user: save the path to the qemu emulator
Save the path to the qemu emulator. This will be used later when we have
a more complete implementation of exec.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Warner Losh [Fri, 27 Aug 2021 17:28:16 +0000 (11:28 -0600)]
bsd-user: Include host-os.h from main
Include host-os.h from main.c to pick up the default OS to emulate. Set
that default in main().
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 27 Aug 2021 17:27:07 +0000 (11:27 -0600)]
bsd-user: add host-os.h
Host OS specific bits for this implementation go in this file.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Tue, 3 Aug 2021 18:34:52 +0000 (12:34 -0600)]
bsd-user: assume pthreads and support of __thread
All compilers for some time have supported this. Follow linux-user and
eliminate the #define THREAD and unconditionally insert __thread where
needed. Please insert: "(see
24cb36a61c6: "configure: Make NPTL
non-optional")"
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Warner Losh [Tue, 3 Aug 2021 04:59:12 +0000 (22:59 -0600)]
bsd-user: elfload: simplify bswap a bit.
Reduce the number of ifdefs by always calling the swapping routine, but
making them empty when swapping isn't needed.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 30 Apr 2021 14:40:20 +0000 (08:40 -0600)]
bsd-user: TARGET_NGROUPS unused in this file, remove
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 30 Apr 2021 14:17:23 +0000 (08:17 -0600)]
bsd-user: remove a.out support
Remove still-born a.out support. The BSDs switched from a.out to ELF 20+ years
ago. It's out of scope for bsd-user, and what little support there was would
simply wind up at a not-implemented message. Simplify the whole mess by removing
it entirely. Should future support be required, it would be better to start from
scratch.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Warner Losh [Fri, 30 Apr 2021 04:25:36 +0000 (22:25 -0600)]
bsd-user: Eliminate elf personality
The linux kernel supports a number of different ELF binaries. The Linux userland
emulator inheritted some of that. And we inheritted it from there. However, for
BSD there's only one kind of ELF file supported per platform, so there's no need
to cope with historical quirks. Simply the code as a result.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 30 Apr 2021 01:34:34 +0000 (19:34 -0600)]
bsd-user: implement path searching
Use the PATH to find the executable given a bare argument. We need to do
this so we can implement mixing native and emulated binaries (e.g.,
execing a x86 native binary from an emulated arm binary to optimize
parts of the build). By finding the binary, we will know how to exec it.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 30 Apr 2021 00:47:51 +0000 (18:47 -0600)]
bsd-user: Fix calculation of size to allocate
It was incorrect to subtract off the size of an unsigned int here. In
bsd-user fork, this change was made when moving the arch specific items
to specific files. The size in BSD that's available for the arguments
does not need a return address subtracted from it.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Warner Losh [Fri, 30 Apr 2021 00:45:13 +0000 (18:45 -0600)]
bsd-user: pass the bsd_param into loader_exec
Pass the bsd_param into loader_exec, and adjust. We use it to track the
inital stack allocation and to set stack, open files, and other state
shared between bsdload.c and elfload.c
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Warner Losh [Thu, 29 Apr 2021 16:41:29 +0000 (10:41 -0600)]
bsd-user: move arch specific defines out of elfload.c
Move the architecture specific defines to target_arch_elf.h and delete
them from elfload.c. Only retain ifdefs appropriate for i386 and x86_64.
Add the copyright/license comments, and guard ifdefs.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Fri, 10 Sep 2021 12:21:03 +0000 (13:21 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/input-
20210910-pull-request' into staging
input: ps2 fixes.
# gpg: Signature made Fri 10 Sep 2021 11:22:47 BST
# gpg: using RSA key
A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/input-
20210910-pull-request:
ps2: migration support for command reply queue
ps2: use a separate keyboard command reply queue
ps2: use the whole ps2 buffer but keep queue size
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 10 Sep 2021 10:09:30 +0000 (11:09 +0100)]
Merge remote-tracking branch 'remotes/vivier/tags/q800-pull-request' into staging
q800 pull request
20210908
mac_via: remove MAC_VIA device and prepare for Nubus IRQs
# gpg: Signature made Wed 08 Sep 2021 16:35:03 BST
# gpg: using RSA key
CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier/tags/q800-pull-request:
mac_via: add qdev gpios for nubus slot interrupts to VIA2
mac_via: rename VIA2_IRQ_SLOT_BIT to VIA2_IRQ_NUBUS_BIT
mac_via: remove explicit viaN prefix from VIA IRQ gpios
mac_via: remove mac_via device
mac_via: move VIA1 realize logic from mac_via_realize() to mos6522_q800_via1_realize()
mac_via: move VIA1 reset logic from mac_via_reset() to mos6522_q800_via1_reset()
mac_via: move q800 VIA1 timer variables to q800 VIA1 VMStateDescription
mac_via: move ADB variables to MOS6522Q800VIA1State
mac_via: move PRAM/RTC variables to MOS6522Q800VIA1State
mac_via: move PRAM contents and block backend to MOS6522Q800VIA1State
mac_via: move last_b variable into q800 VIA1 VMStateDescription
mac_via: introduce new VMStateDescription for q800 VIA1 and VIA2
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Volker Rümelin [Tue, 10 Aug 2021 13:32:58 +0000 (15:32 +0200)]
ps2: migration support for command reply queue
Add migration support for the PS/2 keyboard command reply queue.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <
20210810133258.8231-3-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Volker Rümelin [Tue, 10 Aug 2021 13:32:57 +0000 (15:32 +0200)]
ps2: use a separate keyboard command reply queue
A PS/2 keyboard has a separate command reply queue that is
independent of the key queue. This prevents that command replies
and keyboard input mix. Keyboard command replies take precedence
over queued keystrokes. A new keyboard command removes any
remaining command replies from the command reply queue.
Implement a separate keyboard command reply queue and clear the
command reply queue before command execution. This brings the
PS/2 keyboard emulation much closer to a real PS/2 keyboard.
The command reply queue is located in a few free bytes directly
in front of the scancode queue. Because the scancode queue has
a maximum length of 16 bytes there are 240 bytes available for
the command reply queue. At the moment only a maximum of 3 bytes
are required. For compatibility reasons rptr, wptr and count kept
their function. rptr is the start, wptr is the end and count is
the length of the entire keyboard queue. The new variable cwptr
is the end of the command reply queue or -1 if the queue is
empty. To write to the command reply queue, rptr is moved
backward by the number of required bytes and the command replies
are written to the buffer starting at the new rptr position.
After writing, cwptr is at the old rptr position. Copying cwptr
to rptr clears the command reply queue. The command reply queue
can't overflow because each new keyboard command clears the
command reply queue.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/501
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/502
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <
20210810133258.8231-2-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Volker Rümelin [Tue, 10 Aug 2021 13:32:56 +0000 (15:32 +0200)]
ps2: use the whole ps2 buffer but keep queue size
Extend the used ps2 buffer size to the available buffer size but
keep the maximum ps2 queue size.
The next patch needs a few bytes of the larger buffer size.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <
20210810133258.8231-1-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Peter Maydell [Thu, 9 Sep 2021 15:01:26 +0000 (16:01 +0100)]
Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-
20210908' into staging
qemu-sparc queue
# gpg: Signature made Wed 08 Sep 2021 12:48:40 BST
# gpg: using RSA key
CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg: issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C C9C4 5BC2 C56F AE0F 321F
* remotes/mcayland/tags/qemu-sparc-
20210908:
escc: fix STATUS_SYNC bit in R_STATUS register
escc: re-use escc_reset_chn() for soft reset
escc: remove register changes from escc_reset_chn()
escc: implement hard reset as described in the datasheet
escc: implement soft reset as described in the datasheet
escc: introduce escc_hard_reset_chn() for hardware reset
escc: introduce escc_soft_reset_chn() for software reset
escc: reset register values to zero in escc_reset()
escc: checkpatch fixes
sun4m: fix setting CPU id when more than one CPU is present
tcg: Drop gen_io_end()
target/sparc: Drop use of gen_io_end()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:47 +0000 (11:24 +0100)]
mac_via: add qdev gpios for nubus slot interrupts to VIA2
These will soon be required to enable nubus devices to support interrupts.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-13-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:46 +0000 (11:24 +0100)]
mac_via: rename VIA2_IRQ_SLOT_BIT to VIA2_IRQ_NUBUS_BIT
Also improve the alignment of the shifted constants.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-12-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:45 +0000 (11:24 +0100)]
mac_via: remove explicit viaN prefix from VIA IRQ gpios
Now that q800 VIA1 and VIA2 are completely separate devices there is no need to
add a specific device prefix to ensure that the IRQ lines remain separate.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <
20210830102447.10806-11-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:44 +0000 (11:24 +0100)]
mac_via: remove mac_via device
Remove the mac_via device and wire up both q800 VIA1 and VIA2 directly for the
m68k q800 machine.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-10-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:43 +0000 (11:24 +0100)]
mac_via: move VIA1 realize logic from mac_via_realize() to mos6522_q800_via1_realize()
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-9-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:42 +0000 (11:24 +0100)]
mac_via: move VIA1 reset logic from mac_via_reset() to mos6522_q800_via1_reset()
After this change mac_via_reset() is now empty and can be removed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <
20210830102447.10806-8-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:41 +0000 (11:24 +0100)]
mac_via: move q800 VIA1 timer variables to q800 VIA1 VMStateDescription
These variables are already present in MOS6522Q800VIA1State and so it is just
the VMStateDescription move that is needed.
With this change the mac_via VMStateDescription is now empty and can be removed
completely.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-7-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:40 +0000 (11:24 +0100)]
mac_via: move ADB variables to MOS6522Q800VIA1State
The ADB is accessed using clock and data pins on q800 VIA1 port B and so can be
moved to MOS6522Q800VIA1State.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <
20210830102447.10806-6-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:39 +0000 (11:24 +0100)]
mac_via: move PRAM/RTC variables to MOS6522Q800VIA1State
The PRAM/RTC is accessed using clock and data pins on q800 VIA1 port B and so
can be moved to MOS6522Q800VIA1State.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <
20210830102447.10806-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:38 +0000 (11:24 +0100)]
mac_via: move PRAM contents and block backend to MOS6522Q800VIA1State
The PRAM contents are accessed using clock and data pins on q800 VIA1 port B
and so can be moved to MOS6522Q800VIA1State.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:37 +0000 (11:24 +0100)]
mac_via: move last_b variable into q800 VIA1 VMStateDescription
This variable is already present in MOS6522Q800VIA1State and can be moved
immediately into the q800 VIA1 VMStateDescription.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Mark Cave-Ayland [Mon, 30 Aug 2021 10:24:36 +0000 (11:24 +0100)]
mac_via: introduce new VMStateDescription for q800 VIA1 and VIA2
Move the parent mos6522 objects from vmstate_mac_via into the new VMStateDescription
structures to begin the process of splitting MacVIAState into separate VIA1 and
VIA2 devices.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20210830102447.10806-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Markus Armbruster [Wed, 8 Sep 2021 04:54:28 +0000 (06:54 +0200)]
qapi: Fix bogus error for 'if': { 'not': '' }
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <
20210908045428.
2689093-6-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[check_infix()'s type hint fixed]
Markus Armbruster [Wed, 8 Sep 2021 04:54:27 +0000 (06:54 +0200)]
tests/qapi-schema: Cover 'not' condition with empty argument
We flag this, but the error message is bogus:
bad-if-not.json:2: 'if' condition [] of struct is useless
The next commit will fix it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <
20210908045428.
2689093-5-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Markus Armbruster [Wed, 8 Sep 2021 04:54:26 +0000 (06:54 +0200)]
qapi: Bury some unused code in class Indentation
.__int__() has never been used. Drop it.
.decrease() raises ArithmeticError when asked to decrease indentation
level below zero. Nothing catches it. It's a programming error.
Dumb down to assert.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <
20210908045428.
2689093-4-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Markus Armbruster [Wed, 8 Sep 2021 04:54:25 +0000 (06:54 +0200)]
qapi: Drop Indentation.__bool__()
Intentation.__bool__() is not worth its keep: it has just one user,
which can just as well check .__str__() instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <
20210908045428.
2689093-3-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Markus Armbruster [Wed, 8 Sep 2021 04:54:24 +0000 (06:54 +0200)]
qapi: Fix a botched type annotation
Mypy is unhappy:
$ mypy --config-file=scripts/qapi/mypy.ini `git-ls-files scripts/qapi/\*py`
scripts/qapi/common.py:208: error: Function is missing a return type annotation
scripts/qapi/common.py:227: error: Returning Any from function declared to return "str"
Messed up in commit
ccea6a8637 "qapi: Factor common recursion out of
cgen_ifcond(), docgen_ifcond()". Tidy up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <
20210908045428.
2689093-2-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:23 +0000 (12:32 +0100)]
escc: fix STATUS_SYNC bit in R_STATUS register
After an SDLC "Enter hunt" command has been sent the STATUS_SYNC bit should remain
high until the flag byte has been detected. Whilst the ESCC device doesn't yet
implement SDLC mode, without this change the active low STATUS_SYNC is constantly
asserted causing the MacOS OpenTransport extension to hang on startup as it thinks
it is constantly receiving LocalTalk responses during its initial negotiation
phase.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-10-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:22 +0000 (12:32 +0100)]
escc: re-use escc_reset_chn() for soft reset
This removes duplication of the internal device state initialisation between
device reset and soft reset.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-9-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:21 +0000 (12:32 +0100)]
escc: remove register changes from escc_reset_chn()
Now that register values at reset are handled elsewhere for all of device reset,
soft reset and hard reset, escc_reset_chn() only needs to handle initialisation
of internal device state.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-8-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:20 +0000 (12:32 +0100)]
escc: implement hard reset as described in the datasheet
The hardware reset differs from a device reset in that it only changes the contents
of specific registers. Remove the code that resets all the registers to zero during
hardware reset and implement the default values using the existing soft reset code
with the additional changes listed in the table in the "Z85C30 Reset" section.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-7-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:19 +0000 (12:32 +0100)]
escc: implement soft reset as described in the datasheet
The software reset differs from a device reset in that it only changes the contents
of specific registers. Remove the code that resets all the registers to zero during
soft reset and implement the default values listed in the table in the "Z85C30 Reset"
section.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-6-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:18 +0000 (12:32 +0100)]
escc: introduce escc_hard_reset_chn() for hardware reset
This new hardware reset function is to be called for both channels when the
hardware reset bit is written to register WR9. Its initial implementation is
the same as the existing escc_reset_chn() function used for device reset.
Add a new trace event when the guest initiates a hard reset via the WR9 register
to help diagnose guest reset issues.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:17 +0000 (12:32 +0100)]
escc: introduce escc_soft_reset_chn() for software reset
This new software reset function is to be called when the appropriate channel
software reset bit is written to register WR9. Its initial implementation is
the same as the existing escc_reset_chn() function used for device reset.
Add a new trace event when the guest initiates a soft reset via the WR9 register
to help diagnose guest reset issues.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:16 +0000 (12:32 +0100)]
escc: reset register values to zero in escc_reset()
This is to ensure that a device reset always returns the ESCC to a known state.
Note that this is currently redundant with the same code in escc_reset_chn()
but that will change shortly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Fri, 3 Sep 2021 11:32:15 +0000 (12:32 +0100)]
escc: checkpatch fixes
Also fix a couple of spelling mistakes in comments.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20210903113223.19551-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>