These are used by both the SDRAM controller model and system DCRs. In
preparation to move SDRAM controller in its own file move these macros
to the ppc4xx.h header.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <74d9bf4891e2ccceb52bb6ca6b54fd3f37a9fb04.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Change the ppc440_sdram model to a QOM class derived from the
PPC4xx-dcr-device and name it ppc4xx-sdram-ddr2. This is mostly
modelling the DDR2 SDRAM controller found in the 460EX (used on the
sam460ex board). Newer SoCs (regardless of their PPC core, e.g. 405EX)
may have this controller but we only emulate enough of it for the
sam460ex u-boot firmware.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <3e82ae575c7c41e464a0082d55ecb4ebcc4d4329.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Move the check for valid memory sizes from board to sdram controller
init. This adds the missing valid memory sizes of 16 and 8 MiB to the
DoC and the board now only checks for additional restrictions imposed
by its firmware then sdram init checks for valid sizes for SoC.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <41da3797392acaacc7963b79512c8af8005fa4b0.1664021647.git.balaton@eik.bme.hu>
[danielhb: avoid 4*GiB size due to 32 bit build problems]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Rename functions to avoid name clashes when moving the DDR2 controller
model currently called ppc440_sdram to ppc4xx_devs. This also more
clearly shows which function belongs to which model.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <9c09d10fbf36940ebbe30d7038d69cf3f2e58371.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Rename local sdram variable in ppc440_sdram_init to s for readability.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <7351b80fa321c32a6229e685dfdc940232f8b788.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Remove the do_init parameter of ppc440_sdram_init and enable SDRAM
controller from the board. Firmware does this so it may only be needed
when booting with -kernel without firmware but we enable SDRAM
unconditionally to preserve previous behaviour.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <c2eda8f83c82f655aa7821a5a8c9310484bd6a1d.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
To allow removing the do_init hack we need to improve the DDR2 SDRAM
controller model to handle the enable/disable bit that it ignored so
far.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <f8900aadb1a4426a6444741e6876c898b3b77f7b.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Change ppc4xx_sdram_banks() to take one Ppc4xxSdramBank array instead
of the separate arrays and adjust ppc4xx_sdram_init() and
ppc440_sdram_init() accordingly as well as machines using these.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <e3a1fea51f29779fd6a61be90a29c684f3299544.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Instead of storing sdram bank parameters in unrelated arrays put them
in a struct so it's clear they belong to the same bank and simplify
the state struct using this bank type.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <5eb82d0424c584b2b9e6f7bc51560f8189ed21bb.1664021647.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
In dcr_write_dma(), there is code that uses cpu_physical_memory_map()
to implement a DMA transfer. That function takes a 'plen' argument,
which points to a hwaddr which is used for both input and output: the
caller must set it to the size of the range it wants to map, and on
return it is updated to the actual length mapped. The dcr_write_dma()
code fails to initialize rlen and wlen, so will end up mapping an
unpredictable amount of memory.
Initialize the length values correctly, and check that we managed to
map the entire range before using the fast-path memmove().
This was spotted by Coverity, which points out that we never
initialized the variables before using them.
Fixes: Coverity CID 1487137, 1487150
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220726182341.1888115-2-peter.maydell@linaro.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Recent changes to pcie_host corrected size of its internal region to
match what it expects: only the low 28 bits are ever decoded. Previous
code just ignored bit 29 (if size was 1 << 29) in the address which does
not make much sense. We are now asserting on size > 1 << 28 instead,
but PPC 4xx actually allows guest to configure different sizes, and some
firmwares seem to set it to 1 << 29.
This caused e.g. qemu-system-ppc -M sam460ex to exit with an assert when
the guest writes a value to CFGMSK register when trying to map config
space. This is done in the board firmware in ppc4xx_init_pcie_port() in
roms/u-boot-sam460ex/arch/powerpc/cpu/ppc4xx/4xx_pcie.c
It's not clear what the proper fix should be but for now let's force the
size to 256MB, so anything outside the expected address range is
ignored.
Fixes: commit 1f1a7b2269 ("include/hw/pci/pcie_host: Correct PCIE_MMCFG_SIZE_MAX")
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220526224229.95183-1-mst@redhat.com>
[danielhb: changed commit msg as BALATON Zoltan suggested]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Stop including exec/address-spaces.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-5-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Stop including cpu.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-4-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.
Patch generated using:
$ ./scripts/codeconverter/converter.py -i \
--pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]')
which will split "typdef struct { ... } TypedefName"
declarations.
Followed by:
$ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \
$(git grep -l '' -- '*.[ch]')
which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-10-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-11-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This is the transformation explained in the commit before previous.
Takes care of just one pattern that needs conversion. More to come in
this series.
Coccinelle script:
@ depends on !(file in "hw/arm/highbank.c")@
expression bus, type_name, dev, expr;
@@
- dev = qdev_create(bus, type_name);
+ dev = qdev_new(type_name);
... when != dev = expr
- qdev_init_nofail(dev);
+ qdev_realize_and_unref(dev, bus, &error_fatal);
@@
expression bus, type_name, dev, expr;
identifier DOWN;
@@
- dev = DOWN(qdev_create(bus, type_name));
+ dev = DOWN(qdev_new(type_name));
... when != dev = expr
- qdev_init_nofail(DEVICE(dev));
+ qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal);
@@
expression bus, type_name, expr;
identifier dev;
@@
- DeviceState *dev = qdev_create(bus, type_name);
+ DeviceState *dev = qdev_new(type_name);
... when != dev = expr
- qdev_init_nofail(dev);
+ qdev_realize_and_unref(dev, bus, &error_fatal);
@@
expression bus, type_name, dev, expr, errp;
symbol true;
@@
- dev = qdev_create(bus, type_name);
+ dev = qdev_new(type_name);
... when != dev = expr
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize_and_unref(dev, bus, errp);
@@
expression bus, type_name, expr, errp;
identifier dev;
symbol true;
@@
- DeviceState *dev = qdev_create(bus, type_name);
+ DeviceState *dev = qdev_new(type_name);
... when != dev = expr
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize_and_unref(dev, bus, errp);
The first rule exempts hw/arm/highbank.c, because it matches along two
control flow paths there, with different @type_name. Covered by the
next commit's manual conversions.
Missing #include "qapi/error.h" added manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-10-armbru@redhat.com>
[Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
In dcr_write_pcie() we take the iothread lock around a call to
pcie_host_mmcfg_udpate(). This is an incorrect attempt to deal with
the bug fixed in commit 235352ee6e, where we were not taking
the iothread lock before calling device dcr read/write functions.
(It's not sufficient locking, because although the other cases in the
switch statement won't assert, there is no locking which prevents
multiple guest CPUs from trying to access the PPC460EXPCIEState
struct at the same time and corrupting data.)
Unfortunately with commit 235352ee6e we are now trying
to recursively take the iothread lock, which will assert:
$ qemu-system-ppc -M sam460ex --display none
**
ERROR:/home/petmay01/linaro/qemu-from-laptop/qemu/cpus.c:1830:qemu_mutex_lock_iothread_impl: assertion failed: (!qemu_mutex_iothread_locked())
Aborted (core dumped)
Remove the locking within dcr_write_pcie().
Fixes: 235352ee6e
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200330125228.24994-1-peter.maydell@linaro.org>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Use an explicit boolean type.
This commit was produced with the included Coccinelle script
scripts/coccinelle/exec_rw_const.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
In my "build everything" tree, changing hw/qdev-properties.h triggers
a recompile of some 2700 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).
Many places including hw/qdev-properties.h (directly or via hw/qdev.h)
actually need only hw/qdev-core.h. Include hw/qdev-core.h there
instead.
hw/qdev.h is actually pointless: all it does is include hw/qdev-core.h
and hw/qdev-properties.h, which in turn includes hw/qdev-core.h.
Replace the remaining uses of hw/qdev.h by hw/qdev-properties.h.
While there, delete a few superfluous inclusions of hw/qdev-core.h.
Touching hw/qdev-properties.h now recompiles some 1200 objects.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190812052359.30071-22-armbru@redhat.com>
In my "build everything" tree, changing qemu/main-loop.h triggers a
recompile of some 5600 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h). It includes block/aio.h,
which in turn includes qemu/event_notifier.h, qemu/notify.h,
qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h,
qemu/thread.h, qemu/timer.h, and a few more.
Include qemu/main-loop.h only where it's needed. Touching it now
recompiles only some 1700 objects. For block/aio.h and
qemu/event_notifier.h, these numbers drop from 5600 to 2800. For the
others, they shrink only slightly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190812052359.30071-21-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
In my "build everything" tree, changing hw/hw.h triggers a recompile
of some 2600 out of 6600 objects (not counting tests and objects that
don't depend on qemu/osdep.h).
The previous commits have left only the declaration of hw_error() in
hw/hw.h. This permits dropping most of its inclusions. Touching it
now recompiles less than 200 objects.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190812052359.30071-19-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
In my "build everything" tree, changing hw/irq.h triggers a recompile
of some 5400 out of 6600 objects (not counting tests and objects that
don't depend on qemu/osdep.h).
hw/hw.h supposedly includes it for convenience. Several other headers
include it just to get qemu_irq and.or qemu_irq_handler.
Move the qemu_irq and qemu_irq_handler typedefs from hw/irq.h to
qemu/typedefs.h, and then include hw/irq.h only where it's still
needed. Touching it now recompiles only some 500 objects.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-13-armbru@redhat.com>
In my "build everything" tree, changing sysemu/reset.h triggers a
recompile of some 2600 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).
The main culprit is hw/hw.h, which supposedly includes it for
convenience.
Include sysemu/reset.h only where it's needed. Touching it now
recompiles less than 200 objects.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-9-armbru@redhat.com>
When reading base register of RAM slot with no RAM we should not try
to calculate register value because that will result printing an error
due to invalid RAM size. Just return 0 without the error in this case.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Fix the encoding of larger memory modules in the SoC registers which
allows specifying more than 1GB memory for sam460ex. Well, only 2GB
due to SoC and firmware restrictions which was the only missing value
compared to what the real hardware supports. The SoC should support up
to 4GB but when setting that the firmware hangs during memory test.
This may be an overflow bug in the firmware which I did not try to
debug but this may affect real hardware as well.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The sdram_set_bcr() function in ppc440_uc.c takes a pointer into an
array then calculates its index from that. It's simpler and easier to
just pass the index which simplifies both the function and its callers.
Do similar cleanup in ppc4xx_devs.c to similar function.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
There's already a struct with the same name in ppc4xx_devs.c. They are
not used outside their files so don't clash but they are also not
identical so rename the ppc440 specific one to distinguish them.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Coverity points out in CID 1390588 that the test for sh == 0
in sdram_size() can never fire, because we calculate sh with
sh = 1024 - ((bcr >> 6) & 0x3ff);
which must result in a value between 1 and 1024 inclusive.
Without the relevant manual for the SoC, we're not completely
sure of the correct behaviour here, but we can remove the
dead code without changing how QEMU currently behaves.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Here's a last minue pull request before today's soft freeze. Ideally
I would have sent this earlier, but I was waiting for a couple of
extra fixes I knew were close. And the freeze crept up on me, like
always.
Most of the changes here are bugfixes in any case. There are some
cleanups as well, which have been in my staging tree for a little
while. There are a couple of truly new features (some extensions to
the sam460ex platform), but these are low risk, since they only affect
a new and not really stabilized machine type anyway.
Higlights are:
* Mac platform improvements from Mark Cave-Ayland
* Sam460ex improvements from BALATON Zoltan et al.
* XICS interrupt handler cleanups from Cédric Le Goater
* TCG improvements for atomic loads and stores from Richard
Henderson
* Assorted other bugfixes
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.0-20180703' into staging
ppc patch queue 2018-07-03
Here's a last minue pull request before today's soft freeze. Ideally
I would have sent this earlier, but I was waiting for a couple of
extra fixes I knew were close. And the freeze crept up on me, like
always.
Most of the changes here are bugfixes in any case. There are some
cleanups as well, which have been in my staging tree for a little
while. There are a couple of truly new features (some extensions to
the sam460ex platform), but these are low risk, since they only affect
a new and not really stabilized machine type anyway.
Higlights are:
* Mac platform improvements from Mark Cave-Ayland
* Sam460ex improvements from BALATON Zoltan et al.
* XICS interrupt handler cleanups from Cédric Le Goater
* TCG improvements for atomic loads and stores from Richard
Henderson
* Assorted other bugfixes
# gpg: Signature made Tue 03 Jul 2018 06:55:22 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.0-20180703: (35 commits)
ppc: Include vga cirrus card into the compiling process
target/ppc: Relax reserved bitmask of indexed store instructions
target/ppc: set is_jmp on ppc_tr_breakpoint_check
spapr: compute default value of "hpt-max-page-size" later
target/ppc/kvm: don't pass cpu to kvm_get_smmu_info()
target/ppc/kvm: get rid of kvm_get_fallback_smmu_info()
ppc440_uc: Basic emulation of PPC440 DMA controller
sam460ex: Add RTC device
hw/timer: Add basic M41T80 emulation
ppc4xx_i2c: Rewrite to model hardware more closely
hw/ppc: Give sam46ex its own config option
fpu_helper.c: fix setting FPSCR[FI] bit
target/ppc: Implement the rest of gen_st_atomic
target/ppc: Implement the rest of gen_ld_atomic
target/ppc: Use atomic min/max helpers
target/ppc: Use MO_ALIGN for EXIWX and ECOWX
target/ppc: Split out gen_st_atomic
target/ppc: Split out gen_ld_atomic
target/ppc: Split out gen_load_locked
target/ppc: Tidy gen_conditional_store
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
# Conflicts:
# hw/ppc/spapr.c
PPC440 SoCs such as the AMCC 460EX have a DMA controller which is used
by AmigaOS on the sam460ex. Implement the parts used by AmigaOS so it
can get further booting on the sam460ex machine.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These files don't use anything exposed by "qemu/cutils.h",
simplify preprocessing including directly "qemu/units.h".
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au> (ppc parts)
Message-Id: <20180625124238.25339-7-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When pulling in headers that are in the same directory as the C file (as
opposed to one in include/), we should use its relative path, without a
directory.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
We only emulate timer running at CPU frequency which is what most
guests expect so set the frequency to match real hardware. This also
allows setting clock multipliers which caused slowdown previously due
to wrong timer frequency.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These devices are found in newer SoCs based on 440 core e.g. the 460EX
(http://www.embeddeddeveloper.com/assets/processors/amcc/datasheets/
PP460EX_DS2063.pdf)
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
BALATON Zoltan
Peter Maydell
Michael S. Tsirkin
Thomas Huth
Eduardo Habkost
Markus Armbruster
Philippe Mathieu-Daudé
Marc-André Lureau
Philippe Mathieu-Daudé