Update against Linux 5.9-rc7.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 20201001061718.101915-2-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The "BCM2835 ARM Peripherals" datasheet [*] chapter 2
("Auxiliaries: UART1 & SPI1, SPI2"), list the register
sizes as 3/8/16/32 bits. We assume this means this
peripheral allows 8-bit accesses.
This was not an issue until commit 5d971f9e67 which reverted
("memory: accept mismatching sizes in memory_region_access_valid").
The model is implemented as 32-bit accesses (see commit 97398d900c,
all registers are 32-bit) so replace MemoryRegionOps.valid as
MemoryRegionOps.impl, and re-introduce MemoryRegionOps.valid
with a 8/32-bit range.
[*] https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
Fixes: 97398d900c ("bcm2835_aux: add emulation of BCM2835 AUX (aka UART1) block")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201002181032.1899463-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Original commit did not allocate IRQs for the SMMUv3 in the irqmap
effectively using irq 0->3 (shared with other devices). Assuming
original intent was to allocate unique IRQs then add an allocation
to the irqmap.
Fixes: e9fdf45324 ("hw/arm: Add arm SBSA reference machine, devices part")
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Graeme Gregory <graeme@nuviainc.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20201007100732.4103790-3-graeme@nuviainc.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
SMMUv3 has an error in a previous patch where an i was transposed to a 1
meaning interrupts would not have been correctly assigned to the SMMUv3
instance.
Fixes: 48ba18e6d3 ("hw/arm/sbsa-ref: Simplify by moving the gic in the machine state")
Signed-off-by: Graeme Gregory <graeme@nuviainc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20201007100732.4103790-2-graeme@nuviainc.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201002080935.1660005-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix integer handling issues handling issue reported by Coverity:
hw/ssi/npcm7xx_fiu.c: 162 in npcm7xx_fiu_flash_read()
>>> CID 1432730: Integer handling issues (NEGATIVE_RETURNS)
>>> "npcm7xx_fiu_cs_index(fiu, f)" is passed to a parameter that cannot be negative.
162 npcm7xx_fiu_select(fiu, npcm7xx_fiu_cs_index(fiu, f));
hw/ssi/npcm7xx_fiu.c: 221 in npcm7xx_fiu_flash_write()
218 cs_id = npcm7xx_fiu_cs_index(fiu, f);
219 trace_npcm7xx_fiu_flash_write(DEVICE(fiu)->canonical_path, cs_id, addr,
220 size, v);
>>> CID 1432729: Integer handling issues (NEGATIVE_RETURNS)
>>> "cs_id" is passed to a parameter that cannot be negative.
221 npcm7xx_fiu_select(fiu, cs_id);
Since the index of the flash can not be negative, return an
unsigned type.
Reported-by: Coverity (CID 1432729 & 1432730: NEGATIVE_RETURNS)
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Message-id: 20200919132435.310527-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Detect all MIPS store instructions in cpu_signal_handler for all available
MIPS versions, and set is_write if encountering such store instructions.
This fixed the error while dealing with self-modified code for MIPS.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Kele Huang <kele.hwang@gmail.com>
Signed-off-by: Xu Zou <iwatchnima@gmail.com>
Message-Id: <20201002081420.10814-1-kele.hwang@gmail.com>
[rth: Use uintptr_t for pc to fix n32 build error.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The cmp_vec opcode is mandatory; this symbol is unused.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When the two arguments are identical, this can be reduced to
dup_vec or to mov_vec from a tcg_constant_vec.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The definition of INDEX_op_dupi_vec is that it operates on
units of tcg_target_ulong -- in this case 32 bits. It does
not work to use this for a uint64_t value that happens to be
small enough to fit in tcg_target_ulong.
Fixes: d2fd745fe8
Fixes: db432672dc
Cc: qemu-stable@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The previous change wrongly stated that 32-bit avx2 should have
used VPBROADCASTW. But that's a 16-bit broadcast and we want a
32-bit broadcast.
Fixes: 7b60ef3264
Cc: qemu-stable@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The last user of this field disappeared in f69d277ece.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These are easier to set and test when they have their own fields.
Reduce the size of alias_index and sort_index to 4 bits, which is
sufficient for TCG_MAX_OP_ARGS. This leaves only the bits indicating
constants within the ct field.
Move all initialization to allocation time, rather than init
individual fields in process_op_defs.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This wasn't actually used for anything, really. All variable
operands must accept registers, and which are indicated by the
set in TCGArgConstraint.regs.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This uses an existing hole in the TCGArgConstraint structure
and will be convenient for keeping the data in one place.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The union is unused; let "regs" appear in the main structure
without the "u.regs" wrapping.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
With larger vector sizes, it turns out oprsz == maxsz, and we only
need to represent mismatch for oprsz <= 32. We do, however, need
to represent larger oprsz and do so without reducing SIMD_DATA_BITS.
Reduce the size of the oprsz field and increase the maxsz field.
Steal the oprsz value of 24 to indicate equality with maxsz.
Tested-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Fix corner cases in booting from ECKD
* s390x-ccw bios cleanup part 2
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-10-06' into staging
* Don't stop at the first unbootable device, continue scanning
* Fix corner cases in booting from ECKD
* s390x-ccw bios cleanup part 2
# gpg: Signature made Tue 06 Oct 2020 19:17:46 BST
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth-gitlab/tags/pull-request-2020-10-06:
tests/qtest/cdrom: Add more s390x-related boot tests
pc-bios/s390: Update the s390-ccw bios binaries
pc-bios: s390x: Go into disabled wait when encountering a PGM exception
pc-bios: s390x: Use reset PSW if avaliable
pc-bios: s390x: Save PSW rework
pc-bios: s390x: Fix bootmap.c zipl component entry data handling
pc-bios/s390-ccw: break loop if a null block number is reached
pc-bios/s390-ccw: fix off-by-one error
pc-bios/s390-ccw/main: Remove superfluous call to enable_subchannel()
pc-bios/s390-ccw: Allow booting in case the first virtio-blk disk is bad
pc-bios/s390-ccw: Scan through all devices if no boot device specified
pc-bios/s390-ccw: Do not bail out early if not finding a SCSI disk
pc-bios/s390-ccw: Move the inner logic of find_subch() to a separate function
pc-bios/s390-ccw: Introduce ENODEV define and remove guards of others
pc-bios/s390-ccw: Move ipl-related code from main() into a separate function
pc-bios/s390-ccw/Makefile: Compile with -std=gnu99, -fwrapv and -fno-common
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Let's add two new tests:
1) Booting with "bootindex" is the architected default behavior on the
s390x target, so we should have at least one test that is using the
"bootindex" property.
2) The s390-ccw bios used to fail when other unbootable devices have
been specified before the bootable device (without "bootindex"). Now
that the s390-ccw bios is a little bit smarter here, we should test
this scenario, too, to avoid regressions.
Message-Id: <20200806105349.632-10-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Let's setup a PGM PSW, so we won't load 0s when a program exception
happens. Instead we'll load a disabled wait PSW.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201006094249.50640-5-frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If a blob provides a reset PSW then we should use it instead of
branching to the PSW address and using our own mask.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201006094249.50640-4-frankja@linux.ibm.com>
[thuth: Use Elvis operator to shorten long line]
Signed-off-by: Thomas Huth <thuth@redhat.com>
We don't need to save the ipl_continue variable in lowcore and have it
limited to 32 bits because of the lowcore layout. Let's move it to a
new 64 bit variable and get rid of the reset info struct.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201006094249.50640-3-frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The two main types of zipl component entries are execute and
load/data. The last member of the component entry struct therefore
denotes either a PSW or an address. Let's make this a bit more clear
by introducing a union and cleaning up the code that uses that struct
member.
The execute type component entries written by zipl contain short PSWs,
not addresses. Let's mask them and only pass the address part to
jump_to_IPL_code(uint64_t address) because it expects an address as
visible by the name of the argument.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201006094249.50640-2-frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Break the loop if `cur_block_nr` is a null block number because this
means that the end of chunk is reached. In this case we will try to
boot the default entry.
Fixes: ba831b2526 ("s390-ccw: read stage2 boot loader data to find menu")
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Message-Id: <20200924085926.21709-3-mhartmay@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This error takes effect when the magic value "zIPL" is located at the
end of a block. For example if s2_cur_blk = 0x7fe18000 and the magic
value "zIPL" is located at 0x7fe18ffc - 0x7fe18fff.
Fixes: ba831b2526 ("s390-ccw: read stage2 boot loader data to find menu")
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Message-Id: <20200924085926.21709-2-mhartmay@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Use "<= ... - 4" instead of "< ... - 3"]
Signed-off-by: Thomas Huth <thuth@redhat.com>
enable_subchannel() is already done during is_dev_possibly_bootable()
(which is called from find_boot_device() -> find_subch()), so there
is no need to do this again in the main() function.
Message-Id: <20200806105349.632-9-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If you try to boot with two virtio-blk disks (without bootindex), and
only the second one is bootable, the s390-ccw bios currently stops at
the first disk and does not continue booting from the second one. This
is annoying - and all other major QEMU firmwares succeed to boot from
the second disk in this case, so we should do the same in the s390-ccw
bios, too.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200806105349.632-8-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If no boot device has been specified (via "bootindex=..."), the s390-ccw
bios scans through all devices to find a bootable device. But so far, it
stops at the very first block device (including virtio-scsi controllers
without attached devices) that it finds, no matter whether it is bootable
or not. That leads to some weird situatation where it is e.g. possible
to boot via:
qemu-system-s390x -hda /path/to/disk.qcow2
but not if there is e.g. a virtio-scsi controller specified before:
qemu-system-s390x -device virtio-scsi -hda /path/to/disk.qcow2
While using "bootindex=..." is clearly the preferred way of booting
on s390x, we still can make the life for the users at least a little
bit easier if we look at all available devices to find a bootable one.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1846975
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200806105349.632-7-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
In case the user did not specify a boot device, we want to continue
looking for other devices if there are no valid SCSI disks on a virtio-
scsi controller. As a first step, do not panic in this case and let
the control flow carry the error to the upper functions instead.
Message-Id: <20200806105349.632-6-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Move the code to a separate function to be able to re-use it from a
different spot later.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-Id: <20200806105349.632-5-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Remove the "#ifndef E..." guards from the defines here - the header
guard S390_CCW_H at the top of the file should avoid double definition,
and if the error code is defined in a different file already, we're in
trouble anyway, then it's better to see the error at compile time instead
of hunting weird behavior during runtime later.
Also define ENODEV - we will use this in a later patch.
Message-Id: <20200806105349.632-4-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Let's move this part of the code into a separate function to be able
to use it from multiple spots later.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20200806105349.632-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The main QEMU code is compiled with -std=gnu99, -fwrapv and -fno-common.
We should use the same flags for the s390-ccw bios, too, to avoid that
we get different behavior with different compiler versions that changed
their default settings in the course of time (it happened at least with
-std=... and -fno-common in the past already).
While we're at it, also group the other flags here in a little bit nicer
fashion: Move the two "-m" flags out of the "-f" area and specify them on
a separate line.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20200806105349.632-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Spec[1] defines 0 - 3 level memory side cache, however QEMU
CLI allows to specify an intermediate cache level without
specifying previous level. Such option(s) silently ignored
when building HMAT table, which leads to incomplete cache
information.
Make sure that previous level exists and error out
if it hasn't been provided.
1) ACPI 6.2A 5.2.27.5 Memory Side Cache Information Structure
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1842877
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20201006150002.1601845-1-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The $decl_type='type name' hack makes it impossible to document
macros with uppercase names (e.g. most of the macros in
object.h).
Now that we have explicitly tagged the struct and typedef doc
comments in memory.h and object.h, we don't need that hack
anymore. This will make the documentation for the macros in
object.h finally be rendered as expected.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003024123.193840-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This will allow us to remove the QEMU-specific
$decl_type='type name' hack from the kernel-doc script.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003024123.193840-5-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
If we explicitly indicate we are documenting a typedef or a
struct, we'll be able to remove the $decl_type='type name' hack
from kernel-doc.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003024123.193840-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Example of typedef that was not parsed by kernel-doc:
typedef void (ObjectUnparent)(Object *obj);
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003024123.193840-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
One example that was not being parsed correctly by kernel-doc is:
typedef Object *(ObjectPropertyResolve)(Object *obj,
void *opaque,
const char *part);
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003024123.193840-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Long code lines don't look good in the rendered documents, make
them shorter.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003025424.199291-7-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
<code> is not valid reST syntax.
Function @argument references don't need additional markup, so
just remove <code></code>.
Constants were changed to use reST ``code`` syntax
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003025424.199291-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Some code blocks had one extra space, fix that.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003025424.199291-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The list was incorrectly parsed as a literal block due to
indentation.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201003025424.199291-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Instead of only displaying the property missing, also display
the object name. This help developer to quickly figure out the
mistake without opening a debugger.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200920155340.401482-1-f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
cpu_common_reset() uses tcg_flush_softmmu_tlb() which is
declared in "exec/cpu-common.h". Add the missing header
to avoid when refactoring other headers:
hw/core/cpu.c: In function ‘cpu_common_reset’:
hw/core/cpu.c:273:9: error: implicit declaration of function ‘tcg_flush_softmmu_tlb’ [-Werror=implicit-function-declaration]
273 | tcg_flush_softmmu_tlb(cpu);
| ^~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200908123433.105706-1-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Move properties specific to machines into a separate file.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200930164949.1425294-9-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
