Introduce a new pl050_kbd_class_init() function containing a call to
device_class_set_parent_realize() which calls a new pl050_kbd_realize()
function to initialise the PS2 keyboard device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-9-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This will soon be used to store the reference to the PL050 parent device
for PL050_KBD_DEVICE and PL050_MOUSE_DEVICE.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-8-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The logic for initialising the register memory region and the sysbus output IRQ
does not depend upon any device properties and so can be moved from
pl050_realize() to pl050_init().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-7-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This will be soon be used to hold the underlying PS2_MOUSE_DEVICE object.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-6-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This will be soon be used to hold the underlying PS2_KBD_DEVICE object.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-5-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This allows the compiler to enforce that the PS2 device pointer is always of
type PS2State. Update the name of the pointer from dev to ps2dev to emphasise
this type change.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-4-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This is for consistency with all of the other devices that use the PS2 keyboard
device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-3-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This allows the QOM types in pl050.c to be used elsewhere by simply including
pl050.h.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-2-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
'returns-whitelist' has been renamed to 'command-returns-exceptions' in
commit b86df37478 ("qapi: Rename pragma *-whitelist to *-exceptions").
Message-Id: <20220711095721.61280-1-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This is the last ppc patch queue before the soft freeze. It contains new
TCG instructions and changes, a tricky bug fix in kvmppc_find_cpu_dt()
and other enhancements/fixes.
- tcg and target/ppc:
- move instructions to decodetree
- check for bad Radix configs
- ISA 3.00 tlbie[l]
- fix gen_*_exception error codes
- check fortb_env != 0 when printing TBU/TBL/DECR
- fix kvmppc_find_cpu_dt() returning the wrong CPU DT path when there's a
'clock-frequency' property in the root node
- spapr, e500: pass a random seed in /chosen/rng-seed
- all boards: allocate IRQ lines with qdev_init_gpio_in()
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Merge tag 'pull-ppc-20220718' of https://gitlab.com/danielhb/qemu into staging
ppc patch queue for 2022-07-18:
This is the last ppc patch queue before the soft freeze. It contains new
TCG instructions and changes, a tricky bug fix in kvmppc_find_cpu_dt()
and other enhancements/fixes.
- tcg and target/ppc:
- move instructions to decodetree
- check for bad Radix configs
- ISA 3.00 tlbie[l]
- fix gen_*_exception error codes
- check fortb_env != 0 when printing TBU/TBL/DECR
- fix kvmppc_find_cpu_dt() returning the wrong CPU DT path when there's a
'clock-frequency' property in the root node
- spapr, e500: pass a random seed in /chosen/rng-seed
- all boards: allocate IRQ lines with qdev_init_gpio_in()
# gpg: Signature made Mon 18 Jul 2022 18:19:58 BST
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164
* tag 'pull-ppc-20220718' of https://gitlab.com/danielhb/qemu: (30 commits)
target/ppc: Check page dir/table base alignment
target/ppc: Improve Radix xlate level validation
ppc: Check partition and process table alignment
target/ppc: check tb_env != 0 before printing TBU/TBL/DECR
target/ppc: Implement slbiag
target/ppc: Move slbsync to decodetree
target/ppc: Move slbfee to decodetree
target/ppc: Move slbmfee to decodetree
target/ppc: Move slbmfev to decodetree
target/ppc: Move slbmte to decodetree
target/ppc: Move slbia to decodetree
target/ppc: Move slbieg to decodetree
target/ppc: Move slbie to decodetree
target/ppc: add macros to check privilege level
target/ppc: receive DisasContext explicitly in GEN_PRIV
target/ppc: Implement ISA 3.00 tlbie[l]
target/ppc: Move tlbie[l] to decode tree
target/ppc: fix exception error code in spr_write_excp_vector
target/ppc: fix PMU Group A register read/write exceptions
target/ppc: fix exception error code in helper_{load, store}_dcr
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
A recent commit moved some Haiku-specific code parts from oslib-posix.c
to cutils.c, but failed to move the corresponding header #include
statement, too, so "make vm-build-haiku.x86_64" is currently broken.
Fix it by moving the header #include, too.
Fixes: 06680b15b4 ("include: move qemu_*_exec_dir() to cutils")
Message-Id: <20220718172026.139004-1-thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Let's use more inclusive language here and avoid terms
that are frowned upon nowadays.
Message-Id: <20220711095300.60462-1-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Per https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538
The old API took the size of the memory to duplicate as a guint,
whereas most memory functions take memory sizes as a gsize. This
made it easy to accidentally pass a gsize to g_memdup(). For large
values, that would lead to a silent truncation of the size from 64
to 32 bits, and result in a heap area being returned which is
significantly smaller than what the caller expects. This can likely
be exploited in various modules to cause a heap buffer overflow.
Replace g_memdup() by the safer g_memdup2() wrapper.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210903174510.751630-24-philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Update the cpu_maps[] to support the LoongArch target.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220713020258.601424-1-gaosong@loongson.cn>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The fedora container has since been split apart, so there's no suitable
nearby target that would support "test-mingw" as it requires both x32
and x64 support -- so either fedora-cross-win32 nor fedora-cross-win64
would be truly suitable.
Just remove this test as superfluous with our current CI infrastructure.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-10-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If you try to run a 16 or 32 threaded test, you're going to run out of
memory very quickly with qom-test and a few others. Bump the memory
limit to try to scale with larger-core machines.
Granted, this means that a 16 core processor is going to ask for 16GB,
but you *probably* meet that requirement if you have such a machine.
512MB per core didn't seem to be enough to avoid ENOMEM and SIGABRTs in
the test cases in practice on a six core machine; so I bumped it up to
1GB which seemed to help.
Add this magic in early to the configuration process so that the
config file, if provided, can still override it.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-9-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This is listed twice by accident; we require genisoimage to run the
test, so remove the unconditional entry.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-8-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Ubuntu 18.04 is out of our support window, and Ubuntu 20.04 does not
support i386 anymore. The debian project does, but they do not provide
any cloud images for it, a new expect-style script would have to be
written.
Since we have i386 cross-compiler tests hosted on GitLab CI, we don't
need to support this VM test anymore.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-7-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
18.04 has fallen out of our support window, so move ubuntu.aarch64
forward to ubuntu 20.04, which is now our oldest supported Ubuntu
release.
Notes:
This checksum changes periodically; use a fixed point image with a known
checksum so that the image isn't re-downloaded on every single
invocation. (The checksum for the 18.04 image was already incorrect at
the time of writing.)
Just like the centos.aarch64 test, this test currently seems very
flaky when run as a TCG test.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-6-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Switch this test over to using a cloud image like the base CentOS8 VM
test, which helps make this script a bit simpler too.
Note: At time of writing, this test seems pretty flaky when run without
KVM support for aarch64. Certain unit tests like migration-test,
virtio-net-failover, test-hmp and qom-test seem quite prone to fail
under TCG. Still, this is an improvement in that at least pure build
tests are functional.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-5-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The old CentOS image didn't work anymore because it was already EOL at
the beginning of 2022.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-4-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If the initial setup fails, you've permanently altered the state of the
downloaded image in an unknowable way. Use 'cp' like our other test
setup scripts do.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220708153503.18864-3-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
In some container environments, there may be references to block devices
witnessable from a container through /proc/self/mountinfo that reference
devices we simply don't have access to in the container, and cannot
provide information about.
Instead of failing the entire fsinfo command, return stub information
for these failed lookups.
This allows test-qga to pass under docker tests, which are in turn used
by the CentOS VM tests.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220708153503.18864-2-jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
According to PowerISA 3.1B, Book III 6.7.6 programming note, the
page directory base addresses are expected to be aligned to their
size. Real hardware seems to rely on that and will access the
wrong address if they are misaligned. This results in a
translation failure even if the page tables seem to be properly
populated.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220628133959.15131-4-leandro.lupori@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Check if the number and size of Radix levels are valid on
POWER9/POWER10 CPUs, according to the supported Radix Tree
Configurations described in their User Manuals.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220628133959.15131-3-leandro.lupori@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Check if partition and process tables are properly aligned, in
their size, according to PowerISA 3.1B, Book III 6.7.6 programming
note. Hardware and KVM also raise an exception in these cases.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220628133959.15131-2-leandro.lupori@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
When using "-machine none", env->tb_env is not allocated, causing the
segmentation fault reported in issue #85 (launchpad bug #811683). To
avoid this problem, check if the pointer != NULL before calling the
methods to print TBU/TBL/DECR.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/85
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220714172343.80539-1-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Equivalent to CHK_SV and CHK_HV, but can be used in decodetree methods.
Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br>
Message-Id: <20220701133507.740619-3-lucas.coutinho@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
GEN_PRIV and related CHK_* macros just assumed that variable named
"ctx" would be in scope when they are used, and that it would be a
pointer to DisasContext. Change these macros to receive the pointer
explicitly.
Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br>
Message-Id: <20220701133507.740619-2-lucas.coutinho@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This initial version supports the invalidation of one or all
TLB entries. Flush by PID/LPID, or based in process/partition
scope is not supported, because it would make using the
generic QEMU TLB implementation hard. In these cases, all
entries are flushed.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220712193741.59134-3-leandro.lupori@eldorado.org.br>
[danielhb: moved 'set' declaration to TLBIE_RIC_PWC block]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Also decode RIC, PRS and R operands.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220712193741.59134-2-leandro.lupori@eldorado.org.br>
[danielhb: mark bit 31 in @X_tlbie pattern as ignored]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The 'error' argument of gen_inval_exception will be or-ed with
POWERPC_EXCP_INVAL, so it should always be a constant prefixed with
POWERPC_EXCP_INVAL_. No functional change is intended,
spr_write_excp_vector is only used by register_BookE_sprs, and
powerpc_excp_booke ignores the lower 4 bits of the error code on
POWERPC_EXCP_INVAL exceptions.
Also, take the opportunity to replace printf with qemu_log_mask.
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220627141104.669152-7-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
A call to "gen_(hv)priv_exception" should use POWERPC_EXCP_PRIV_* as the
'error' argument instead of POWERPC_EXCP_INVAL_*, and POWERPC_EXCP_FU is
an exception type, not an exception error code. To correctly set
FSCR[IC], we should raise Facility Unavailable with this exception type
and IC value as the error code.
Fixes: 565cb10967 ("target/ppc: add user read/write functions for MMCR0")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220627141104.669152-6-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
POWERPC_EXCP_INVAL should only be or-ed with other constants prefixed
with POWERPC_EXCP_INVAL_. Also, take the opportunity to move both
helpers under #if !defined(CONFIG_USER_ONLY) as the instructions that
use them are privileged.
No functional change is intended, the lower 4 bits of the error code are
ignored by all powerpc_excp_* methods on POWERPC_EXCP_INVAL exceptions.
Reported-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220627141104.669152-5-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The only PowerPC implementations with these insns were the 460 and 460F,
which had their definitions removed in [1].
[1] 7ff26aa6c6 ("target/ppc: Remove unused PPC 460 and 460F definitions")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220627141104.669152-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Testing on a POWER9 DD2.3, we observed that the Linux kernel delivers a
signal with si_code ILL_PRVOPC (5) when a userspace application tries to
use slbfee. To obtain this behavior on linux-user, we should use
POWERPC_EXCP_PRIV with POWERPC_EXCP_PRIV_OPC.
No functional change is intended for softmmu targets as
gen_hvpriv_exception uses the same 'exception' argument
(POWERPC_EXCP_HV_EMU) for raise_exception_*, and the powerpc_excp_*
methods do not use lower bits of the exception error code when handling
POWERPC_EXCP_{INVAL,PRIV}.
Reported-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220627141104.669152-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The code in linux-user/ppc/cpu_loop.c expects POWERPC_EXCP_PRIV
exception with error POWERPC_EXCP_PRIV_OPC or POWERPC_EXCP_PRIV_REG,
while POWERPC_EXCP_INVAL_SPR is expected in POWERPC_EXCP_INVAL
exceptions. This mismatch caused an EXCP_DUMP with the message "Unknown
privilege violation (03)", as seen in [1].
[1] https://gitlab.com/qemu-project/qemu/-/issues/588
Fixes: 9b2fadda3e ("ppc: Rework generation of priv and inval interrupts")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/588
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220627141104.669152-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Some systems have /proc/device-tree/cpus/../clock-frequency. However,
this is not the expected path for a CPU device tree directory.
Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220712210810.35514-1-muriloo@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
If the FDT contains /chosen/rng-seed, then the Linux RNG will use it to
initialize early. Set this using the usual guest random number
generation function. This is confirmed to successfully initialize the
RNG on Linux 5.19-rc6. The rng-seed node is part of the DT spec. Set
this on the paravirt platforms, spapr and e500, just as is done on other
architectures with paravirt hardware.
Cc: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220712135114.289855-1-Jason@zx2c4.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Mark Cave-Ayland
Thomas Huth
Peter Maydell
Philippe Mathieu-Daudé
Song Gao
John Snow
Leandro Lupori
Matheus Ferst
Lucas Coutinho
Murilo Opsfelder Araujo
Jason A. Donenfeld
Cédric Le Goater