Commit Graph

97 Commits

Author SHA1 Message Date
Markus Armbruster
a8d2532645 Include qemu-common.h exactly where needed
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
2019-06-12 13:20:20 +02:00
Richard Henderson
92fddfbd17 target/xtensa: Use env_cpu, env_archcpu
Cleanup in the boilerplate that each target must define.
Replace xtensa_env_get_cpu with env_archcpu.  The combination
CPU(xtensa_env_get_cpu) should have used ENV_GET_CPU to begin;
use env_cpu now.

Move cpu_get_tb_cpu_state below the include of "exec/cpu-all.h"
so that the definition of env_cpu is available.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Markus Armbruster
a8b991b52d Clean up ill-advised or unusual header guards
Leading underscores are ill-advised because such identifiers are
reserved.  Trailing underscores are merely ugly.  Strip both.

Our header guards commonly end in _H.  Normalize the exceptions.

Done with scripts/clean-header-guards.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190315145123.28030-7-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[Changes to slirp/ dropped, as we're about to spin it off]
2019-05-13 08:58:55 +02:00
Markus Armbruster
81c7db723e hw: Use PFLASH_CFI0{1,2} and TYPE_PFLASH_CFI0{1,2}
We have two open-coded copies of macro PFLASH_CFI01().  Move the macro
to the header, so we can ditch the copies.  Move PFLASH_CFI02() to the
header for symmetry.

We define macros TYPE_PFLASH_CFI01 and TYPE_PFLASH_CFI02 for type name
strings, then mostly use the strings.  If the macros are worth
defining, they are worth using.  Replace the strings by the macros.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190308094610.21210-6-armbru@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster
1643406520 pflash: Rename pflash_t to PFlashCFI01, PFlashCFI02
flash.h's incomplete struct pflash_t is completed both in
pflash_cfi01.c and in pflash_cfi02.c.  The complete types are
incompatible.  This can hide type errors, such as passing a pflash_t
created with pflash_cfi02_register() to pflash_cfi01_get_memory().

Furthermore, POSIX reserves typedef names ending with _t.

Rename the two structs to PFlashCFI01 and PFlashCFI02.

Signed-off-by: Markus Armbruster <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>
Message-Id: <20190308094610.21210-2-armbru@redhat.com>
2019-03-11 22:53:44 +01:00
Paolo Bonzini
3a56c2f36c xtensa-softmmu.mak: express dependencies with Kconfig
%-softmmu.mak only keep boards and optional device
definitions in Kconfig mode.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:46:19 +01:00
Paolo Bonzini
e0e312f352 build: switch to Kconfig
The make_device_config.sh script is replaced by minikconf, which
is modified to support the same command line as its predecessor.

The roots of the parsing are default-configs/*.mak, Kconfig.host and
hw/Kconfig.  One difference with make_device_config.sh is that all symbols
have to be defined in a Kconfig file, including those coming from the
configure script.  This is the reason for the Kconfig.host file introduced
in the previous patch. Whenever a file in default-configs/*.mak used
$(...) to refer to a config-host.mak symbol, this is replaced by a
Kconfig dependency; this part must be done already in this patch
for bisectability.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-28-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Paolo Bonzini
82f5181777 kconfig: introduce kconfig files
The Kconfig files were generated mostly with this script:

  for i in `grep -ho CONFIG_[A-Z0-9_]* default-configs/* | sort -u`; do
    set fnord `git grep -lw $i -- 'hw/*/Makefile.objs' `
    shift
    if test $# = 1; then
      cat >> $(dirname $1)/Kconfig << EOF
config ${i#CONFIG_}
    bool

EOF
      git add $(dirname $1)/Kconfig
    else
      echo $i $*
    fi
  done
  sed -i '$d' hw/*/Kconfig
  for i in hw/*; do
    if test -d $i && ! test -f $i/Kconfig; then
      touch $i/Kconfig
      git add $i/Kconfig
    fi
  done

Whenever a symbol is referenced from multiple subdirectories, the
script prints the list of directories that reference the symbol.
These symbols have to be added manually to the Kconfig files.

Kconfig.host and hw/Kconfig were created manually.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20190123065618.3520-27-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Paolo Bonzini
28ba6bdd2f xtensa: rename CONFIG_XTENSA_FPGA to CONFIG_XTENSA_XTFPGA
Match the symbol name that is used e.g. in Linux (drivers/spi/Kconfig).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Ákos Kovács
d84929da9a hw/xtensa/Makefile.objs: Build xtensa_sim and xtensa_fpga conditionally
Add the new CONFIG_* values to default-config/xtensa*-softmmu.mak.

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20190202072456.6468-17-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-05 16:50:20 +01:00
Liam Merwick
4366e1db16 elf: Add optional function ptr to load_elf() to parse ELF notes
This patch adds an optional function pointer, 'elf_note_fn', to
load_elf() which causes load_elf() to additionally parse any
ELF program headers of type PT_NOTE and check to see if the ELF
Note is of the type specified by the 'translate_opaque' arg.
If a matching ELF Note is found then the specfied function pointer
is called to process the ELF note.

Passing a NULL function pointer results in ELF Notes being skipped.

The first consumer of this functionality is the PVHboot support
which needs to read the XEN_ELFNOTE_PHYS32_ENTRY ELF Note while
loading the uncompressed kernel binary in order to discover the
boot entry address for the x86/HVM direct boot ABI.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-05 16:50:16 +01:00
Max Filippov
174e09b73a hw/xtensa: xtfpga: raise CPU number limit
MX PIC can support up to 32 CPUs on xtfpga boards, raise per-board
limit accordingly.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:55:20 -08:00
Max Filippov
1acd90bff2 hw/xtensa: xtfpga: use MX PIC for SMP
Create and use MX PIC as a peripheral interrupt controller when more
than 1 processor is enabled on xtfpga board. Connect xtensa CPU cores to
the MX PIC and select secondary reset vector on all cores except the
first one.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:55:20 -08:00
Max Filippov
10df8ff146 target/xtensa: add MX interrupt controller
MX interrupt controller is a collection of the following devices
accessible through the external registers interface:
- interrupt distributor can route each external IRQ line to the
  corresponding external IRQ pin of selected subset of connected xtensa
  cores. It has per-CPU and per-IRQ enable signals and per-IRQ software
  assert signals;
- IPI controller has 16 per-CPU IPI signals that may be routed to a
  combination of 3 designated external IRQ pins of connected xtensa
  cores;
- cache coherecy register controls core L1 cache participation in the
  SMP cluster cache coherency protocol;
- runstall register lets BSP core stall and unstall AP cores.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:55:20 -08:00
Max Filippov
17a86b0e9f target/xtensa: expose core runstall as an IRQ line
Runstall signal looks very much like a level-triggered IRQ line. Provide
xtensa_get_runstall function that returns runstall IRQ.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:55:20 -08:00
Max Filippov
66f03d7e13 target/xtensa: rearrange access to external interrupts
Replace xtensa_get_extint that returns single external IRQ descriptor
with xtensa_get_extints that returns a vector of all external IRQs.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:54:54 -08:00
Max Filippov
3f75038a33 target/xtensa: drop function xtensa_timer_irq
It's a one-liner used in a single place, move its implementation there
and remove its declaration.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-28 11:54:42 -08:00
Max Filippov
fa92bd4af7 target/xtensa: fix access to the INTERRUPT SR
INTERRUPT special register may be changed both by the core (by writing
to INTSET and INTCLEAR registers) and by external events (by triggering
and clearing HW IRQs). In MTTCG this state must be protected from
concurrent access, otherwise interrupts may be lost or spurious
interrupts may be detected.

Use atomic operations to change INTSET SR.
Fix wsr.intset so that it soesn't clear any bits.
Fix wsr.intclear so that it doesn't clear bit that corresponds to NMI.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-24 10:44:26 -08:00
Max Filippov
fff7bf1450 hw/xtensa: xtfpga: use core frequency
XTFPGA board FPGA peripheral exposes hard-coded 10MHz frequency
regardless of the actual used core frequency. Expose actual core
frequency instead.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-24 10:44:25 -08:00
Max Filippov
288a3f2ed7 hw/xtensa: xtfpga: fix bootloader placement in SMP
Use BSP reset PC as a place for the mini-bootloader because in SMP
configurations APs and BSP may have different boot addresses.
This fixes SMP linux uImage boot on xtfpga boards.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-24 10:44:25 -08:00
Max Filippov
59b5e9bbea target/xtensa: xtfpga: provide default memory sizes
Provide default RAM sizes for all XTFPGA boards, so that when started
without -m option they do the right thing.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2018-11-21 10:53:21 -08:00
Philippe Mathieu-Daudé
b941329dc4 hw/xtensa: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
  $ git grep -n '[<>][<>]= ?[1-5]0'

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20180625124238.25339-22-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:14 +02:00
Philippe Mathieu-Daudé
0304f9ec9c hw: Do not include "sysemu/block-backend.h" if it is not necessary
Remove those unneeded includes to speed up the compilation
process a little bit. (Continue 7eceff5b5a cleanup)

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180528232719.4721-13-f4bug@amsat.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-01 14:15:10 +02:00
Peter Maydell
9bca0edb28 Change references to serial_hds[] to serial_hd()
Change all the uses of serial_hds[] to go via the new
serial_hd() function. Code change produced with:
 find hw -name '*.[ch]' | xargs sed -i -e 's/serial_hds\[\([^]]*\)\]/serial_hd(\1)/g'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20180420145249.32435-8-peter.maydell@linaro.org
2018-04-26 13:57:00 +01:00
Peter Maydell
b82fcd3032 hw/xtensa/xtfpga.c: Don't create "null" chardevs for serial devices
Following commit 12051d82f0, UART devices should handle
being passed a NULL pointer chardev, so we don't need to
create "null" backends in board code. Remove the code that
does this and updates serial_hds[].

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180420145249.32435-6-peter.maydell@linaro.org
2018-04-26 13:57:00 +01:00
Markus Armbruster
922a01a013 Move include qemu/option.h from qemu-common.h to actual users
qemu-common.h includes qemu/option.h, but most places that include the
former don't actually need the latter.  Drop the include, and add it
to the places that actually need it.

While there, drop superfluous includes of both headers, and
separate #include from file comment with a blank line.

This cleanup makes the number of objects depending on qemu/option.h
drop from 4545 (out of 4743) to 284 in my "build everything" tree.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-20-armbru@redhat.com>
[Semantic conflict with commit bdd6a90a9e in block/nvme.c resolved]
2018-02-09 13:52:16 +01:00
Markus Armbruster
8f0a3716e4 Clean up includes
Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes, with the change
to target/s390x/gen-features.c manually reverted, and blank lines
around deletions collapsed.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-3-armbru@redhat.com>
2018-02-09 05:05:11 +01:00
Max Filippov
a3c5e49da9 target/xtensa: allow different default CPU for MMU/noMMU
Define default core for noMMU configurations and use that core as
machine default with noMMU XTFPGA machines.
This is done to avoid offering non-working configuration (MMU core on a
noMMU machine) as a default.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-22 11:54:23 -08:00
Max Filippov
85e2d8d510 hw/xtensa/xtfpga: support noMMU cores
Cores with and without MMU have system RAM and ROM at different locations.
Also with noMMU cores system IO region is accessible through two physical
address ranges.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-11 12:45:27 -08:00
Max Filippov
740ad9f75d hw/xtensa/xtfpga: extract flash configuration
Extract flash configuration into a separate structure to make it easier
to share between MMU and noMMU configurations.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-11 12:01:51 -08:00
Max Filippov
e53fa62c17 hw/xtensa: extract xtensa_create_memory_regions
XTFPGA boards should populate core memory regions the same way sim
machine does. Move xtensa_create_memory_regions implementation to a
separate file and use it to create instruction and data memory regions
on XTFPGA boards.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-11 09:31:26 -08:00
Max Filippov
188ce01d61 hw/xtensa/xtfpga: clean up function/structure names
Function/structure naming inconsistently uses lx, lx60 and xtensa
prefixes where xtfpga would be appropriate. Fix that.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-11 09:31:26 -08:00
Max Filippov
339ef8fb6a hw/xtensa/xtfpga: rewrite mini bootloader
Don't load jump target into the CPU config, instead put it and initial
a2 as literals into the mini bootloader and use l32r to load them
natively. With these changes it should be possible to do warm reboot of
the guest.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-01-11 09:31:26 -08:00
Igor Mammedov
f83eb10d79 xtensa: lx60/lx200/ml605/kc705: use generic cpu_model parsing
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1507211474-188400-27-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-10-27 16:04:27 +02:00
Igor Mammedov
d58eeae393 xtensa: sim: use generic cpu_model parsing
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1507211474-188400-26-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-10-27 16:04:27 +02:00
Igor Mammedov
4482e05cbb cpu: make cpu_generic_init() abort QEMU on error
Almost every user of cpu_generic_init() checks for
returned NULL and then reports failure in a custom way
and aborts process.
Some users assume that call can't fail and don't check
for failure, though they should have checked for it.

In either cases cpu_generic_init() failure is fatal,
so instead of checking for failure and reporting
it various ways, make cpu_generic_init() report
errors in consistent way and terminate QEMU on failure.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1505318697-77161-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-19 09:09:32 -03:00
Igor Mammedov
8e36271b92 xtensa: replace cpu_xtensa_init() with cpu_generic_init()
call xtensa_irq_init() at realize time which makes
cpu_xtensa_init() like generic cpu creation function.
As result we can replace it with cpu_generic_init()
which does the same job, reducing code duplication a bit.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1503592308-93913-16-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-01 11:54:24 -03:00
Peter Maydell
98a99ce084 hw: Use new memory_region_init_{ram, rom, rom_device}() functions
Use the new functions memory_region_init_{ram,rom,rom_device}()
instead of manually calling the _nomigrate() version and then
vmstate_register_ram_global().

Patch automatically created using coccinelle script:
 spatch --in-place -sp_file scripts/coccinelle/memory-region-init-ram.cocci -dir hw

(As it turns out, there are no instances of the rom and
rom_device functions that are caught by this script.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1499438577-7674-8-git-send-email-peter.maydell@linaro.org
2017-07-14 17:59:42 +01:00
Peter Maydell
1cfe48c1ce memory: Rename memory_region_init_ram() to memory_region_init_ram_nomigrate()
Rename memory_region_init_ram() to memory_region_init_ram_nomigrate().
This leaves the way clear for us to provide a memory_region_init_ram()
which does handle migration.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1499438577-7674-4-git-send-email-peter.maydell@linaro.org
2017-07-14 17:59:42 +01:00
Max Filippov
8128b3e079 target/xtensa: support output to chardev console
In semihosting mode QEMU allows guest to read and write host file
descriptors directly, including descriptors 0..2, a.k.a. stdin, stdout
and stderr. Sometimes it's desirable to have semihosting console
controlled by -serial option, e.g. to connect it to network.

Add semihosting console to xtensa-semi.c, open it in the 'sim' machine
in the presence of -serial option and direct stdout and stderr to it
when it's present.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-06-06 02:40:48 -07:00
Peter Maydell
199e19ee53 trivial patches for 2017-06-05
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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-06-05

# gpg: Signature made Mon 05 Jun 2017 15:23:46 BST
# gpg:                using RSA key 0x701B4F6B1A693E59
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* remotes/mjt/tags/trivial-patches-fetch: (21 commits)
  hw/core: nmi.c can be compiled as common-obj nowadays
  dump: fix memory_mapping_filter leak
  ide-test: check return of fwrite
  help: Add newline to end of thread option help text
  qemu-ga: remove useless allocation
  scsi/lsi53c895a: Remove unused lsi_mem_*() return value
  qapi: Fix some QMP documentation regressions
  hw/mips: add missing include
  register: display register prefix (name) since it is available
  hw/sparc: use ARRAY_SIZE() macro
  hw/xtensa: sim: use g_string/g_new
  target/arm: add data cache invalidation cp15 instruction to cortex-r5
  block: Correct documentation for BLOCK_WRITE_THRESHOLD
  trivial: Remove unneeded ifndef in memory.h
  altera_timer: fix incorrect memset
  configure: Detect native NetBSD curses(3)
  tests/libqtest: Print error instead of aborting when env variable is missing
  docs/qdev-device-use.txt: update section Default Devices
  docs qemu-doc: Avoid ide-drive, it's deprecated
  qemu-doc: Add hyperlinks to further license information
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-05 15:28:12 +01:00
Max Filippov
bb0b6f39c0 hw/xtensa: sim: use g_string/g_new
Replace malloc/free/sprintf with g_string/g_string_printf/g_string_free.
Replace g_malloc with g_new when allocating the MemoryRegion to get more
type safety.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-06-04 18:42:55 +03:00
Marc-André Lureau
8228e353d8 chardev: move headers to include/chardev
So they are all in one place. The following patch will move serial &
parallel declarations to the respective headers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02 11:33:52 +04:00
Eric Blake
cf83f14005 shutdown: Add source information to SHUTDOWN and RESET
Time to wire up all the call sites that request a shutdown or
reset to use the enum added in the previous patch.

It would have been less churn to keep the common case with no
arguments as meaning guest-triggered, and only modified the
host-triggered code paths, via a wrapper function, but then we'd
still have to audit that I didn't miss any host-triggered spots;
changing the signature forces us to double-check that I correctly
categorized all callers.

Since command line options can change whether a guest reset request
causes an actual reset vs. a shutdown, it's easy to also add the
information to reset requests.

Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au> [ppc parts]
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> [SPARC part]
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x parts]
Message-Id: <20170515214114.15442-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-05-23 13:28:17 +02:00
Max Filippov
0e80359e62 target/xtensa: xtfpga: load DTB only when FDT support is enabled
xtensa linux can use DTB but does not require it, so FDT support is not
a requirement for target/xtensa. Don't try to load DTB when FDT support
is not configured.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-03-11 14:59:03 -08:00
Max Filippov
b68755c142 target/xtensa: sim: instantiate local memories
Xtensa core may have a number of RAM and ROM areas configured. Record
their size and location from the core configuration overlay and
instantiate them as RAM regions in the SIM machine.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-02-23 10:30:41 -08:00
Max Filippov
59a71f7578 target/xtensa: refactor CCOUNT/CCOMPARE
Xtensa cores may have a register (CCOUNT) that counts core clock cycles.
It may also have a number of registers (CCOMPAREx); when CCOUNT value
passes the value of CCOMPAREx, timer interrupt x is raised.

Currently xtensa target counts a number of completed instructions and
assumes that for CCOUNT one instruction takes one cycle to complete.
It calls helper function to update CCOUNT register at every TB end and
raise timer interrupts. This scheme works very predictably and doesn't
have noticeable performance impact, but it is hard to use with multiple
synchronized processors, especially with coming MTTCG.

Derive CCOUNT from the virtual simulation time, QEMU_CLOCK_VIRTUAL.
Use native QEMU timers for CCOMPARE timers, one timer for each register.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-01-15 13:01:55 -08:00
Marc-André Lureau
b4948be93e char: remove init callback
The CharDriverState.init() callback is no longer set since commit
a61ae7f88c and thus unused. The only user, the malta FGPA display has
been converted to use an event "opened" callback instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24 15:27:20 +02:00
Max Filippov
f9a555e499 target-xtensa: xtfpga: fix FLASH interface width
FLASH chip on XTFPGA boards is connected with 16-bit-wide interface.
Latest U-Boot can see the difference and does not work correctly with
32-bit-wide interface.
Set FLASH chip 'width' property to 2.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-07-14 13:59:44 +03:00
Markus Armbruster
2a6a4076e1 Clean up ill-advised or unusual header guards
Cleaned up with scripts/clean-header-guards.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12 16:20:46 +02:00