Commit Graph

62786 Commits

Author SHA1 Message Date
Guenter Roeck
0e25683308 hw/timer/cmsdk-apb-timer: Correctly identify and set one-shot mode
The CMSDK APB timer is currently always configured as periodic timer.
This results in the following messages when trying to boot Linux.

Timer with delta zero, disabling

If the timer limit set with the RELOAD command is 0, the timer
needs to be enabled as one-shot timer.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 14:51:34 +01:00
Peter Maydell
6583080ed8 hw/timer/cmsdk-apb-timer: Correct ptimer policy settings
The CMSDK timer interrupt triggers when the counter goes from 1 to 0,
so we want to trigger immediately, rather than waiting for a
clock cycle. Drop the incorrect NO_IMMEDIATE_TRIGGER setting.
We also do not want to get an interrupt if the guest sets the
counter directly to zero, so use the new TRIGGER_ONLY_ON_DECREMENT
policy.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20180703171044.9503-3-peter.maydell@linaro.org
2018-07-09 14:51:34 +01:00
Peter Maydell
086ede32af ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option
The CMSDK timer behaviour is that an interrupt is triggered when the
counter counts down from 1 to 0; however one is not triggered if the
counter is manually set to 0 by a guest write to the counter register.
Currently ptimer can't handle this; add a policy option to allow
a ptimer user to request this behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20180703171044.9503-2-peter.maydell@linaro.org
2018-07-09 14:51:34 +01:00
Eric Auger
b78aae9bb6 hw/arm/smmu-common: Fix devfn computation in smmu_iommu_mr
smmu_iommu_mr() aims at returning the IOMMUMemoryRegion corresponding
to a given sid. The function extracts both the PCIe bus number and
the devfn to return this data. Current computation of devfn is wrong
as it only returns the PCIe function instead of slot | function.

Fixes 32cfd7f39e ("hw/arm/smmuv3: Cache/invalidate config data")

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1530775623-32399-1-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 14:51:34 +01:00
Peter Maydell
a98ff0ec2b ppc patch queue 2018-07-09
Here's a final pull request before tomorrow's hard freeze.
 
 There are a number of fixes and improvements to the sm501 display
 driver (not strictly ppc related, but used only on ppc and SH).
 There's also a handful of unrelated fixes.
 
 Whether all the sm501 changes are bugfixes is somewhat debatable, but
 Peter has indicated he's ok with merging those for 3.0.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.0-20180709' into staging

ppc patch queue 2018-07-09

Here's a final pull request before tomorrow's hard freeze.

There are a number of fixes and improvements to the sm501 display
driver (not strictly ppc related, but used only on ppc and SH).
There's also a handful of unrelated fixes.

Whether all the sm501 changes are bugfixes is somewhat debatable, but
Peter has indicated he's ok with merging those for 3.0.

# gpg: Signature made Mon 09 Jul 2018 08:42:15 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-3.0-20180709:
  sam460ex: Make sam460ex_load_device_tree() handle all errors internally
  sam460ex: Don't check for errors from qemu_fdt_*()
  sam460ex: Check for errors from libfdt functions
  sam460ex: Update u-boot-sam460ex firmware
  ppc: fix default VGA display for PReP machines
  target/ppc: fix build on ppc64 host
  ppc440_uc: Fix a copy/paste error
  sm501: Set updated region dirty after 2D operation
  sm501: Fix support for non-zero frame buffer start address
  sm501: Log unimplemented raster operation modes
  sm501: Implement negated destination raster operation mode
  sm501: Use values from the pitch register for 2D operations
  sm501: Perform a full update after palette change
  sm501: Implement i2c part for reading monitor EDID
  spapr/vio: quiet down the "irq" property accessors
  ppc: fix default VGA display for Mac machines

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 11:00:45 +01:00
Peter Maydell
ab3257c281 nbd patches for 2018-07-07
Minor improvement for tracing of NBD block status
 
 - Vladimir Sementsov-Ogievskiy: nbd/server: fix nbd_co_send_block_status
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 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2018-07-07' into staging

nbd patches for 2018-07-07

Minor improvement for tracing of NBD block status

- Vladimir Sementsov-Ogievskiy: nbd/server: fix nbd_co_send_block_status

# gpg: Signature made Sun 08 Jul 2018 02:45:18 BST
# gpg:                using RSA key A7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg:                 aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2018-07-07:
  nbd/server: fix nbd_co_send_block_status

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 09:48:01 +01:00
David Gibson
51b0d834c4 sam460ex: Make sam460ex_load_device_tree() handle all errors internally
sam460ex_load_device_tree() handles nearly all possible errors by simply
exiting (within helper functions and macros).  It handles two early error
cases by returning an error.

There's no particular point to this, so make it handle those directly as
well, removing the need for the caller to handle a failure.  As a bonus it
gives us more specific error messages.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-09 14:38:45 +10:00
David Gibson
e753f33136 sam460ex: Don't check for errors from qemu_fdt_*()
The qemu_fdt_*() helper functions already exit with a message instead of
returning errors, so we don't need to check for errors in the caller.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-09 14:27:36 +10:00
David Gibson
ad633de6f5 sam460ex: Check for errors from libfdt functions
In a couple of places sam460ex_load_device_tree() calls "raw" libfdt
functions which can fail, but doesn't check for error codes.  At best,
if these fail the guest will be silently started in a non-standard state,
or it could fail entirely.

Fix this by using the _FDT() helper macro which aborts on a libfdt failure.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-09 14:23:05 +10:00
BALATON Zoltan
9ba58cb47f sam460ex: Update u-boot-sam460ex firmware
Update the submodule and u-boot-sam460-20100605.bin to include
following fixes from Sebastian Bauer:
- Fix build with newer gcc
- Decrease unnecessary delay which fixes slow booting from CD

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-09 13:31:20 +10:00
Vladimir Sementsov-Ogievskiy
0c0eaed147 nbd/server: fix nbd_co_send_block_status
Call nbd_co_send_extents() with correct length parameter
(extent.length may be smaller than original length).

Also, switch length parameter type to uint32_t, to correspond with
request->len and similar nbd_co_send_bitmap().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180704112302.471456-2-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-07-07 20:30:09 -05:00
Mark Cave-Ayland
4cb25fbb43 ppc: fix default VGA display for PReP machines
Commit 29f9cef "ppc: Include vga cirrus card into the compiling process"
changed the default display adapter for all PPC machines to cirrus. Unfortunately
it missed setting the default display type to stdvga for both PReP machines
causing the display to fail to initialise under OpenHackWare.

Update the MachineClass for both prep and 40p machines so that the default
std(vga) display adapter is the default if no options are specified
which fixes the display for the PReP machines.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:34 +10:00
Laurent Vivier
4fff72185b target/ppc: fix build on ppc64 host
When I try to build a ppc64 target on a ppc64 host (gcc 8.1.1), I have:

.../target/ppc/int_helper.c: In function 'helper_vinsertb':
.../target/ppc/int_helper.c:1954:32: error: array subscript 18446744073709551608 is above array bounds of 'uint8_t[16]' {aka 'unsigned char[16]'} [-Werror=array-bounds]
         memmove(&r->u8[index], &b->u8[8 - sizeof(r->element)],              \
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.../target/ppc/int_helper.c:1965:1: note: in expansion of macro 'VINSERT'

If we compare with the macro for ppc64le, we can see
sizeof(r->element[0]) should be used instead of sizeof(r->element).

And VINSERT uses only u8, u16, u32 and u64, so the maximum value
of sizeof(r->element[0]) is 8

Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Philippe Mathieu-Daudé
7aeb1e5100 ppc440_uc: Fix a copy/paste error
Missed in 3c409c1927, hopefully reported by Coverity.

Fixes: Coverity CID 1393788 (Copy-paste error)
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
BALATON Zoltan
eb76243c9d sm501: Set updated region dirty after 2D operation
Set the changed memory region dirty after performed a 2D operation to
ensure that the screen is updated properly.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
BALATON Zoltan
33159dd7ce sm501: Fix support for non-zero frame buffer start address
Display updates and drawing hardware cursor did not work when frame
buffer address was non-zero. Fix this by taking the frame buffer
address into account in these cases. This fixes screen dragging on
AmigaOS. Based on patch by Sebastian Bauer.

Signed-off-by: Sebastian Bauer <mail@sebastianbauer.info>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Sebastian Bauer
06cb926aaa sm501: Log unimplemented raster operation modes
The sm501 currently implements only a very limited set of raster operation
modes. After this change, unknown raster operation modes are logged so
these can be easily spotted.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Sebastian Bauer
debc7e7dad sm501: Implement negated destination raster operation mode
Add support for the negated destination operation mode. This is used e.g.
by AmigaOS for the INVERSEVID drawing mode. With this change, the cursor
in the shell and non-immediate window adjustment are working now.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Sebastian Bauer
54b2a4339c sm501: Use values from the pitch register for 2D operations
Before, crt_h_total was used for src_width and dst_width. This is a
property of the current display setting and not relevant for the 2D
operation that also can be done off-screen. The pitch register's purpose
is to describe line pitch relevant of the 2D operation.

Signed-off-by: Sebastian Bauer <mail@sebastianbauer.info>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Sebastian Bauer
d27335592a sm501: Perform a full update after palette change
Changing the palette of a color index has as an immediate effect on
all pixels with the corresponding index on real hardware. Performing a
full update after a palette change is a simple way to emulate this
effect.

Signed-off-by: Sebastian Bauer <mail@sebastianbauer.info>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
BALATON Zoltan
4a1f253adb sm501: Implement i2c part for reading monitor EDID
Emulate the i2c part of SM501 which is used to access the EDID info
from a monitor.

The vmstate structure is changed and its version is increased but
SM501 is only used on SH and PPC sam460ex machines that don't support
cross-version migration.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Cédric Le Goater
9e3a83a15b spapr/vio: quiet down the "irq" property accessors
commit efe2add7cb ("spapr/vio: deprecate the "irq" property")
introduced get/set accessors for the "irq" property to warn of its
usage, but the warning in the get pollutes the monitor 'info qtree'.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Mark Cave-Ayland
3232794bcb ppc: fix default VGA display for Mac machines
Commit 29f9cef39e "ppc: Include vga cirrus card into the compiling process"
changed the default display adapter for all PPC machines to cirrus. Unfortunately
it missed setting the default display type to stdvga for both Mac machines
causing the display to fail to initialise under OpenBIOS.

Update the MachineClass for both Old World and New World Macs so that the
default std(vga) display adapter is the default if no options are specified
which fixes the display for the Mac machines.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-07 12:12:27 +10:00
Peter Maydell
43a473993f Bug fixes.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Bug fixes.

# gpg: Signature made Fri 06 Jul 2018 17:40:06 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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/tags/for-upstream:
  checkpatch: handle token pasting better
  ioapic: remove useless lower bounds check
  pr-manager-helper: fix memory leak on event
  qemu-char: check errno together with ret < 0
  i386: fix '-cpu ?' output for host cpu type
  qtest: Use cpu address space instead of system memory
  pr-helper: Rework socket path handling
  pr-helper: avoid error on PR IN command with zero request size

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-06 18:18:08 +01:00
Paolo Bonzini
e20122ff0f checkpatch: handle token pasting better
The mechanism to find possible type tokens can sometimes be confused and go into an
infinite loop.  This happens for example in QEMU for a line that looks like

         uint## BITS ##_t S = _S, T = _T;                            \
         uint## BITS ##_t as, at, xs, xt, xd;                        \

Because the token pasting operator does not have a space before _t, it does not
match $notPermitted.  However, (?x) is turned on in the regular expression for
modifiers, and thus ##_t matches the empty string.  As a result, annotate_values
goes in an infinite loop.

The solution is simply to remove token pasting operators from the string before
looking for modifiers.  In the example above, the string uintBITS_t will be
evaluated as a candidate modifier.  This is not optimal, but it works as long
as people do not write things like a##s##m, and it fits nicely into sub
possible.

For a similar reason, \# should be rejected always, even if it is not
at end of line or followed by whitespace.

The same patch was sent to the Linux kernel mailing list.

Reported-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Paolo Bonzini
960a479f7f ioapic: remove useless lower bounds check
The vector cannot be negative.  Coverity now reports this because it sees an
array access before the check, in ioapic_stat_update_irq.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Paolo Bonzini
ea3d77c889 pr-manager-helper: fix memory leak on event
Reported by Coverity.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
xinhua.Cao
81e34930ce qemu-char: check errno together with ret < 0
In the tcp_chr_write function, we checked errno,
but errno was not reset before a read or write operation.
Therefore, this check of errno's actions is often
incorrect after EAGAIN has occurred.
we need check errno together with ret < 0.

Signed-off-by: xinhua.Cao <caoxinhua@huawei.com>
Message-Id: <20180704033642.15996-1-caoxinhua@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Fixes: 9fc53a10f8
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Greg Kurz
02693cc4f4 i386: fix '-cpu ?' output for host cpu type
Since commit d6dcc5583e, '-cpu ?' shows the description of the
X86_CPU_TYPE_NAME("max") for the host CPU model:

Enables all features supported by the accelerator in the current host

instead of the expected:

KVM processor with all supported host features

or

HVF processor with all supported host features

This is caused by the early use of kvm_enabled() and hvf_enabled() in
a class_init function. Since the accelerator isn't configured yet, both
helpers return false unconditionally.

A QEMU binary will only be compiled with one of these accelerators, not
both. The appropriate description can thus be decided at build time.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <153055056654.212317.4697363278304826913.stgit@bahia.lan>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Julia Suvorova
70da30483e qtest: Use cpu address space instead of system memory
Some devices (like nvic in armv7m) are not accessable through
address_space_memory, therefore can not be tested with qtest.

Signed-off-by: Julia Suvorova <jusual@mail.ru>
Message-Id: <20180702065237.27899-1-jusual@mail.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Michal Privoznik
2729d79d49 pr-helper: Rework socket path handling
When reviewing Paolo's pr-helper patches I've noticed couple of
problems:

1) socket_path needs to be calculated at two different places
(one for printing out help, the other if socket activation is NOT
used),

2) even though the default socket_path is allocated in
compute_default_paths() it is the only default path the function
handles. For instance, pidfile is allocated outside of this
function. And yet again, at different places than 1)

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <c791ba035f26ea957e8f3602e3009b621769b1ba.1530611283.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Paolo Bonzini
ee8c13b814 pr-helper: avoid error on PR IN command with zero request size
After reading a PR IN command with zero request size in prh_read_request,
the resp->result field will be uninitialized and the resp.sz field will
be also uninitialized when returning to prh_co_entry.

If resp->result == GOOD (from a previous successful reply or just luck),
then the assert in prh_write_response might not be triggered and
uninitialized response will be sent.

The fix is to remove the whole handling of sz == 0 in prh_co_entry.
Those errors apply only to PR OUT commands and it's perfectly okay to
catch them later in do_pr_out and multipath_pr_out; the check for
too-short parameters in fact doesn't apply in the easy SG_IO case, as
it can be left to the target firmware even.

The result is that prh_read_request does not fail requests anymore and
prh_co_entry becomes simpler.

Reported-by: Dima Stepanov <dimastep@yandex-team.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-06 18:39:19 +02:00
Dr. David Alan Gilbert
5fd4a9c973 tests/migration: Skip tests for ppc tcg
PPC tcg seems to be failing migration tests quite regularly;
we believe this is TCG bugs in dirty bit updating; it's
not clear why PPC fails more but lets skip for the moment.

$ ./tests/migration-test
/ppc64/migration/deprecated: OK
/ppc64/migration/bad_dest: Skipping test: kvm_hv not available OK
/ppc64/migration/postcopy/unix: Skipping test: kvm_hv not available OK
/ppc64/migration/precopy/unix: Skipping test: kvm_hv not available OK

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-id: 20180706143105.93472-1-dgilbert@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-06 16:18:31 +01:00
Peter Maydell
a428594042 RISC-V: SoCify SiFive boards and connect GEM
This series has three tasks:
  1. To convert the SiFive U and E machines into SoCs and boards
  2. To connect the Cadence GEM device to the SiFive U board
  3. Fix some device tree problems with the SiFive U board
 
 After this series the SiFive E and U boards have their SoCs split into
 seperate QEMU objects, which can be used on future boards if desired.
 
 The RISC-V Virt and Spike boards have not been converted. They haven't
 been converted as they aren't physical boards, so it doesn't make a
 whole lot of sense to split them into an SoC and board. The only
 disadvantage with this is that they now differ to the SiFive boards.
 
 This series also connect the Cadence GEM device to the SiFive U board.
 There are some interrupt line changes requried before this is possible.
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-pull-20180705' into staging

RISC-V: SoCify SiFive boards and connect GEM

This series has three tasks:
 1. To convert the SiFive U and E machines into SoCs and boards
 2. To connect the Cadence GEM device to the SiFive U board
 3. Fix some device tree problems with the SiFive U board

After this series the SiFive E and U boards have their SoCs split into
seperate QEMU objects, which can be used on future boards if desired.

The RISC-V Virt and Spike boards have not been converted. They haven't
been converted as they aren't physical boards, so it doesn't make a
whole lot of sense to split them into an SoC and board. The only
disadvantage with this is that they now differ to the SiFive boards.

This series also connect the Cadence GEM device to the SiFive U board.
There are some interrupt line changes requried before this is possible.

# gpg: Signature made Fri 06 Jul 2018 02:17:21 BST
# gpg:                using RSA key 21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-pull-20180705:
  hw/riscv/sifive_u: Connect the Cadence GEM Ethernet device
  hw/riscv/sifive_u: Move the uart device tree node under /soc/
  hw/riscv/sifive_u: Set the interrupt controller number of interrupts
  hw/riscv/sifive_u: Set the soc device tree node as a simple-bus
  hw/riscv/sifive_plic: Use gpios instead of irqs
  hw/riscv/sifive_e: Create a SiFive E SoC object
  hw/riscv/sifive_u: Create a SiFive U SoC object

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-06 10:17:51 +01:00
Alistair Francis
5a7f76a3d4 hw/riscv/sifive_u: Connect the Cadence GEM Ethernet device
Connect the Cadence GEM ethernet device. This also requires us to
expose the plic interrupt lines.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
bde3ab9a9f hw/riscv/sifive_u: Move the uart device tree node under /soc/
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
98ceee7fdc hw/riscv/sifive_u: Set the interrupt controller number of interrupts
Set the interrupt-controller ndev to the correct number taken from the
HiFive Unleashed board.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
2a1a6f6d47 hw/riscv/sifive_u: Set the soc device tree node as a simple-bus
To allow Linux to ennumerate devices on the /soc/ node set it as a
"simple-bus".

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
647a70a10f hw/riscv/sifive_plic: Use gpios instead of irqs
Instead of creating the interrupt in lines with qemu_allocate_irq() use
qdev_init_gpio_in() as this gives us the ability to use the qdev*gpio*()
helpers later on.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
651cd8b7e1 hw/riscv/sifive_e: Create a SiFive E SoC object
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
2308092b2b hw/riscv/sifive_u: Create a SiFive U SoC object
Create a SiFive Unleashed U54 SoC and use that in the sifive_u machine.

We leave the SoC, RAM, device tree and reset/fdt loading as part of the
machine. All the other device creation has been moved to the SoC.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Peter Maydell
cee35138b5 Code coverage and other build tweaks
- revert 208ecb3e (and drop filter for mingw, tweak for check-tcg)
   - some travis speed-ups
   - modernise code coverage support
   - docker image cleanups
   - clean-up binfmt_misc docker infrastructure
   - add debian-powerpc-user-cross image for ppc32 build
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-code-coverage-and-build-tweaks-050718-3' into staging

Code coverage and other build tweaks

  - revert 208ecb3e (and drop filter for mingw, tweak for check-tcg)
  - some travis speed-ups
  - modernise code coverage support
  - docker image cleanups
  - clean-up binfmt_misc docker infrastructure
  - add debian-powerpc-user-cross image for ppc32 build

# gpg: Signature made Thu 05 Jul 2018 17:00:02 BST
# gpg:                using RSA key FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-code-coverage-and-build-tweaks-050718-3:
  docker: add linux-user powered cross builder for QEMU
  docker: add special rule for deboostrapped images
  docker: add special handling for FROM:debian-%-user targets
  docker: debian-bootstrap.pre allow customising of variant/url
  docker: drop QEMU build-dep from bootstrap
  docker: Do not run tests in 'intermediate' images
  docker: Clean the MXE base image
  docker: ubuntu: Use SDL2
  docker: ubuntu: Update the package list before installing new ones
  linux-user: add gcov support to preexit_cleanup
  linux-user: introduce preexit_cleanup
  build-system: add coverage-report target
  build-system: add clean-coverage target
  travis: add gcovr summary for GCOV build
  docker: add gcovr to travis image
  .gitignore: add .gcov files
  build-system: remove per-test GCOV reporting
  travis: test out-of-tree builds
  travis: do not waste time cloning unused submodules
  Revert "Makefile: Rename TARGET_DIRS to TARGET_LIST"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-05 18:24:28 +01:00
Alex Bennée
19c9a18f45 docker: add linux-user powered cross builder for QEMU
We can't use cross compilers in the current Debian stable and Debian
sid is sketchy as hell. So for powerpc fall back to dog-fooding our
own linux-user to do the build.

As we can only build the base image with a suitably configured
source tree we fall back to checking for its existence when we can't
build it from scratch. However this does mean you don't have to keep
a static powerpc-linux-user in your active configuration just to
update the cross build image.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-07-05 16:57:39 +01:00
Peter Maydell
efe2606862 Coverity model patches for 2018-07-05
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Merge remote-tracking branch 'remotes/armbru/tags/pull-cov-model-2018-07-05' into staging

Coverity model patches for 2018-07-05

# gpg: Signature made Thu 05 Jul 2018 14:11:03 BST
# gpg:                using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-cov-model-2018-07-05:
  coverity-model: Fix replay_get_byte()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-05 16:50:38 +01:00
Alex Bennée
dc338fdb07 docker: add special rule for deboostrapped images
We might as well have a custom rule for this. For one thing the
dependencies are different. As the primary dependency for
docker-image-% could never be docker-image-debian-bootstrap we can
drop that test in the main rule as well.

Missing EXECUTABLE, DEB_ARCH and DEB_TYPE are treated as hard faults
now. We also error out if the EXECUTABLE file isn't there. We should
really do this with a dependency on any source rules but currently
subdir-FOO-linux-user isn't enough on a clean build.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-07-05 15:59:41 +01:00
Alex Bennée
547cb45ea3 docker: add special handling for FROM:debian-%-user targets
These will have been build with debootstrap so we need to check
against the debian-bootstrap dockerfile. This does mean sticking to
debian-FOO-user as the naming conventions for boot-strapped images.
The actual cross image is built on top.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-07-05 15:59:41 +01:00
Alex Bennée
300cf467fd docker: debian-bootstrap.pre allow customising of variant/url
We default to the buildd variant as most of our images are for
building. However lets give the user the ability to specify "minbase"
if they want to create a simple base image for experimentation.

Allowing the tweaking of DEB_URL means we can also bootstrap other
Debian based OS's. For example:

  make docker-binfmt-image-debian-ubuntu-bionic-arm64 \
       DEB_ARCH=arm64 DEB_TYPE=bionic \
       DEB_VARIANT=minbase DEB_URL=http://ports.ubuntu.com/ \
       EXECUTABLE=./aarch64-linux-user/qemu-aarch64

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-07-05 15:59:41 +01:00
Alex Bennée
e6bfdeca8b docker: drop QEMU build-dep from bootstrap
This is best done with any child images that actually need it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-07-05 15:59:41 +01:00
Philippe Mathieu-Daudé
272e551b43 docker: Do not run tests in 'intermediate' images
We can still build the DOCKER_INTERMEDIATE_IMAGES images,
but they won't appear in 'make test*@$IMAGE'.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2018-07-05 15:59:41 +01:00
Philippe Mathieu-Daudé
48feb682db docker: Clean the MXE base image
Using the duplicated same package is confusing.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2018-07-05 15:59:41 +01:00