The memory region size is 512K.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-8-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Convert the final bit of DEBUG_BITBLT to a tracepoint.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-7-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace some debug printf() calls by qemu_log_mask(LOG_UNIMP),
and add a new one in cirrus_linear_bitblt_read().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-5-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
and update Aleksandar Rikalo's email address,
- Trivial improvements in the Bonito64 North Bridge and the
Fuloong 2e machine,
- MIPS Machines names unified without 'mips_' prefix.
CI: https://travis-ci.org/github/philmd/qemu/builds/691247975
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-hw-next-20200526' into staging
MIPS hardware updates
- MAINTAINERS updated to welcome Huacai Chen and Jiaxun Yang,
and update Aleksandar Rikalo's email address,
- Trivial improvements in the Bonito64 North Bridge and the
Fuloong 2e machine,
- MIPS Machines names unified without 'mips_' prefix.
CI: https://travis-ci.org/github/philmd/qemu/builds/691247975
# gpg: Signature made Tue 26 May 2020 14:32:08 BST
# 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
* remotes/philmd-gitlab/tags/mips-hw-next-20200526:
MAINTAINERS: Change Aleksandar Rikalo's email address
hw/mips/mips_int: De-duplicate KVM interrupt delivery
hw/mips/malta: Add some logging for bad register offset cases
hw/mips: Rename malta/mipssim/r4k/jazz files
hw/mips/fuloong2e: Fix typo in Fuloong machine name
hw/mips/fuloong2e: Move code and update a comment
hw/pci-host/bonito: Set the Config register reset value with FIELD_DP32
hw/pci-host/bonito: Better describe the I/O CS regions
hw/pci-host/bonito: Map the different PCI ranges more detailed
hw/pci-host/bonito: Map all the Bonito64 I/O range
hw/pci-host/bonito: Map peripheral using physical address
hw/pci-host/bonito: Fix DPRINTF() format strings
hw/pci-host: Use CONFIG_PCI_BONITO to select the Bonito North Bridge
MAINTAINERS: Add Huacai Chen as fuloong2e co-maintainer
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
client)
- revert 9pfs reply truncation (LP 1877688)
- xen backend waits for client to free space on the reply ring instead of
truncating or disconnecting
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Merge remote-tracking branch 'remotes/gkurz/tags/9p-next-2020-05-26' into staging
- fix build with musl libc
- fix potential deadlock of QEMU main event loop (cannot be hit with linux
client)
- revert 9pfs reply truncation (LP 1877688)
- xen backend waits for client to free space on the reply ring instead of
truncating or disconnecting
# gpg: Signature made Tue 26 May 2020 10:36:23 BST
# gpg: using RSA key B4828BAF943140CEF2A3491071D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>" [full]
# gpg: aka "Gregory Kurz <gregory.kurz@free.fr>" [full]
# gpg: aka "[jpeg image of size 3330]" [full]
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3 4910 71D4 D5E5 822F 73D6
* remotes/gkurz/tags/9p-next-2020-05-26:
xen/9pfs: increase max ring order to 9
xen/9pfs: yield when there isn't enough room on the ring
Revert "9p: init_in_iov_from_pdu can truncate the size"
9p: Lock directory streams with a CoMutex
9pfs: include linux/limits.h for XATTR_SIZE_MAX
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Refactor duplicated code in a single place.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200429082916.10669-2-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Log the cases where a guest attempts read or write using bad
register offset.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-21-aleksandar.qemu.devel@gmail.com>
[PMD: Replaced TARGET_FMT_lx by HWADDR_PRIX]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Machine file names should not have prefix "mips_".
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200518200920.17344-22-aleksandar.qemu.devel@gmail.com>
[PMD: Fixed Fuloong line conflict due to rebase]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
We always miswrote the Fuloong machine... Fix its name.
Add an machine alias to the previous name for backward
compatibility.
Suggested-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Move the RAM-related call closer to the RAM creation block,
rename the ROM comment.
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-id: <20200510210128.18343-4-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Describe some bits of the Config registers fields with the
registerfields API. Use the FIELD_DP32() macro to set the
BONGENCFG register bits at reset.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-12-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Better describe the I/O CS regions, add the ROMCS region.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Better describe the Bonito64 MEM HI/LO and I/O PCI ranges,
add more PCI regions as unimplemented.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-7-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
To ease following guest accesses to the Bonito64 chipset,
map its I/O range as UnimplementedDevice.
We can now see the accesses to unimplemented peripheral
using the '-d unimp' command line option.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-9-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Peripherals are mapped at physical address on busses.
Only CPU/IOMMU can use virtual addresses.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-8-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Ease the kconfig selection by introducing CONFIG_PCI_BONITO to select
the Bonito North Bridge.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: <20200510210128.18343-6-f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The Fuloong machine never had to use "audio/audio.h", remove it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-id: 20200515084209.9419-1-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The max order allowed by the protocol is 9. Increase the max order
supported by QEMU to 9 to increase performance.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20200521192627.15259-3-sstabellini@kernel.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
Instead of truncating replies, which is problematic, wait until the
client reads more data and frees bytes on the reply ring.
Do that by calling qemu_coroutine_yield(). The corresponding
qemu_coroutine_enter_if_inactive() is called from xen_9pfs_bh upon
receiving the next notification from the client.
We need to be careful to avoid races in case xen_9pfs_bh and the
coroutine are both active at the same time. In xen_9pfs_bh, wait until
either the critical section is over (ring->co == NULL) or until the
coroutine becomes inactive (qemu_coroutine_yield() was called) before
continuing. Then, simply wake up the coroutine if it is inactive.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20200521192627.15259-2-sstabellini@kernel.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
Use the generic AUDIO_HOST_ENDIANNESS definition instead
of a custom one.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200505100750.27332-1-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
A guest user may set channel frame count via es1370_write()
such that, in es1370_transfer_audio(), total frame count
'size' is lesser than the number of frames that are processed
'cnt'.
int cnt = d->frame_cnt >> 16;
int size = d->frame_cnt & 0xffff;
if (size < cnt), it results in incorrect calculations leading
to OOB access issue(s). Add check to avoid it.
Reported-by: Ren Ding <rding@gatech.edu>
Reported-by: Hanqing Zhao <hanqing@gatech.edu>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20200514200608.1744203-1-ppandit@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Locking was introduced in QEMU 2.7 to address the deprecation of
readdir_r(3) in glibc 2.24. It turns out that the frontend code is
the worst place to handle a critical section with a pthread mutex:
the code runs in a coroutine on behalf of the QEMU mainloop and then
yields control, waiting for the fsdev backend to process the request
in a worker thread. If the client resends another readdir request for
the same fid before the previous one finally unlocked the mutex, we're
deadlocked.
This never bit us because the linux client serializes readdir requests
for the same fid, but it is quite easy to demonstrate with a custom
client.
A good solution could be to narrow the critical section in the worker
thread code and to return a copy of the dirent to the frontend, but
this causes quite some changes in both 9p.c and codir.c. So, instead
of that, in order for people to easily backport the fix to older QEMU
versions, let's simply use a CoMutex since all the users for this
sit in coroutines.
Fixes: 7cde47d4a8 ("9p: add locking to V9fsDir")
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <158981894794.109297.3530035833368944254.stgit@bahia.lan>
Signed-off-by: Greg Kurz <groug@kaod.org>
linux/limits.h should be included for the XATTR_SIZE_MAX definition used
by v9fs_xattrcreate.
Fixes: 3b79ef2cf4 ("9pfs: limit xattr size in xattrcreate")
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20200515203015.7090-2-dan@dlrobertson.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
When updating the PFLASH file contents, we should check for a
possible failure of blk_pwrite(). Similar to commit 3a688294e.
Reported-by: Coverity (CID 1357678 CHECKED_RETURN)
Signed-off-by: Mansour Ahmadi <mansourweb@gmail.com>
Message-Id: <20200408003552.58095-1-mansourweb@gmail.com>
[PMD: Add missing "qemu/error-report.h" include and TODO comment]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Rename the 'reset_flash' as 'mode_read_array' to make explicit we
do not reset the device, we simply set its internal state machine
in the READ_ARRAY mode. We do not reset the status register error
bits, as a device reset would do.
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190716221555.11145-5-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The command 0x00 is used by this model since its origin (commit
05ee37ebf6). In this commit the command is described with a
amusing '/* ??? */' comment, probably meaning 'FIXME'.
switch (cmd) {
case 0x00: /* ??? */
...
This comment survived 12 years because the 0x00 value is indeed
not specified by the CFI open standard (as of this commit).
The 'cmd' field is transfered during migration. To keep the
migration feature working with older QEMU version, we have to
take a lot of care with migrated field. We figured out it is
too late to remove a non-specified value from this model
(this would make migration review very complex). It is however
not too late to improve the documentation.
Add few comments to remember this is a special value related
to QEMU, and we won't find information about it on the CFI
spec.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190716221555.11145-3-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The 'CFI02' NOR flash was introduced in commit 29133e9a0f, with
timing modelled. One year later, the CFI01 model was introduced
(commit 05ee37ebf6) based on the CFI02 model. As noted in the
header, "It does not support timings". 12 years later, we never
had to model the device timings. Time to remove the unused timer,
we can still add it back if required.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
[Laszlo Ersek: Regression tested EDK2 OVMF IA32X64, ArmVirtQemu Aarch64
https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg04373.html]
Message-Id: <20190716221555.11145-2-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Add a definition for the number of GPIO lines controlled by a PL061
instance, and use it instead of the hardcoded magic value 8.
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200519085143.1376-1-geert+renesas@glider.be
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.
When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().
Per the datasheet "Exynos 4412 RISC Microprocessor Rev 1.00"
Chapter 25 "Multi Core Timer (MCT)" figure 1 and table 4,
the default value on the APB bus is 0.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200518140309.5220-5-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.
When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200518140309.5220-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.
When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200518140309.5220-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.
When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200518140309.5220-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
i.MX7 supports watchdog pretimeout interupts. With this commit,
the watchdog in mcimx7d-sabre is fully operational, including
pretimeout support.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-9-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instantiating PWM, CAN, CAAM, and OCOTP devices is necessary to avoid
crashes when booting mainline Linux.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-8-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With this commit, the watchdog on mcimx6ul-evk is fully operational,
including pretimeout support.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-7-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With this patch applied, the watchdog in the sabrelite emulation
is fully operational, including pretimeout support.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-6-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With this patch, the watchdog on i.MX31 emulations is fully operational.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-5-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With this commit, the watchdog on imx25-pdk is fully operational,
including pretimeout support.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-4-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implement full support for the watchdog in i.MX systems.
Pretimeout support is optional because the watchdog hardware
on i.MX31 does not support pretimeouts.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-3-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added Property array terminator entry]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
In preparation for a full implementation, move i.MX watchdog driver
from hw/misc to hw/watchdog. While at it, add the watchdog files
to MAINTAINERS.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-2-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Introduce real BdrvChildRole
- blk/bdrv_make_empty() functions instead of calling callbacks directly
- mirror: Make sure that source and target size match
- block-copy: Fix uninitialized variable
- block/replication: Avoid cancelling the job twice
- ahci: Log lost IRQs
- iotests: Run pylint and mypy in a testcase
- iotests: log messages from notrun()
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches:
- Introduce real BdrvChildRole
- blk/bdrv_make_empty() functions instead of calling callbacks directly
- mirror: Make sure that source and target size match
- block-copy: Fix uninitialized variable
- block/replication: Avoid cancelling the job twice
- ahci: Log lost IRQs
- iotests: Run pylint and mypy in a testcase
- iotests: log messages from notrun()
# gpg: Signature made Mon 18 May 2020 18:05:32 BST
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (52 commits)
hw: Use QEMU_IS_ALIGNED() on parallel flash block size
iotests/030: Reduce run time by unthrottling job earlier
hw/ide/ahci: Log lost IRQs
iotests: log messages from notrun()
block/block-copy: Simplify block_copy_do_copy()
block/block-copy: Fix uninitialized variable in block_copy_task_entry
block: Drop @child_class from bdrv_child_perm()
block: Pass BdrvChildRole in remaining cases
block: Drop child_file
block: Drop bdrv_format_default_perms()
block: Make bdrv_filter_default_perms() static
block: Use bdrv_default_perms()
tests: Use child_of_bds instead of child_file
block: Use child_of_bds in remaining places
block: Make filter drivers use child_of_bds
block: Make format drivers use child_of_bds
block: Drop child_backing
block: Make backing files child_of_bds children
block: Drop child_format
block: Switch child_format users to child_of_bds
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use the QEMU_IS_ALIGNED() macro to verify the flash block size
is properly aligned. It is quicker to process when reviewing.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200511205246.24621-1-philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
One might find interesting to look at AHCI IRQs.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504094858.5975-1-f4bug@amsat.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
size calculation isn't correct with guest-supplied stride, the last
display line isn't accounted for correctly.
For the typical case of stride > linesize (add padding) we error on the
safe side (calculated size is larger than actual size).
With stride < linesize (scanlines overlap) the calculated size is
smaller than the actual size though so our guest memory mapping might
end up being too small.
While being at it also fix ramfb_create_display_surface to use hwaddr
for the parameters. That way all calculation are done with hwaddr type
and we can't get funny effects from type castings.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 20200429115236.28709-7-kraxel@redhat.com
