Commit Graph

100548 Commits

Author SHA1 Message Date
Richard Henderson
20b6643324 tcg/ppc: Reorg goto_tb implementation
The old ppc64 implementation replaces 2 or 4 insns, which leaves a race
condition in which a thread could be stopped at a PC in the middle of
the sequence, and when restarted does not see the complete address
computation and branches to nowhere.

The new implemetation replaces only one insn, swapping between

	b       <dest>
and
	mtctr	r31

falling through to a general-case indirect branch.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:36:16 -10:00
Richard Henderson
d59d83a1c3 tcg/aarch64: Reorg goto_tb implementation
The old implementation replaces two insns, swapping between

	b	<dest>
	nop
	br	x30
and
	adrp	x30, <dest>
	addi	x30, x30, lo12:<dest>
	br	x30

There is a race condition in which a thread could be stopped at
the PC of the second insn, and when restarted does not see the
complete address computation and branches to nowhere.

The new implemetation replaces only one insn, swapping between

	b	<dest>
	br	tmp
and
	ldr	tmp, <jmp_addr>
	br	tmp

Reported-by: hev <r@hev.cc>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:36:02 -10:00
Richard Henderson
2fd2e78d1b tcg: Remove TCG_TARGET_HAS_direct_jump
We now have the option to generate direct or indirect
goto_tb depending on the dynamic displacement, thus
the define is no longer necessary or completely accurate.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:25:49 -10:00
Richard Henderson
90c0fee3a2 tcg: Always define tb_target_set_jmp_target
Install empty versions for !TCG_TARGET_HAS_direct_jump hosts.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:22:35 -10:00
Richard Henderson
0012e3516e tcg: Move tb_target_set_jmp_target declaration to tcg.h
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:22:35 -10:00
Richard Henderson
0fe1c98da9 tcg: Change tb_target_set_jmp_target arguments
Replace 'tc_ptr' and 'addr' with 'tb' and 'n'.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:21:54 -10:00
Richard Henderson
9da6079b26 tcg: Add TranslationBlock.jmp_insn_offset
Stop overloading jmp_target_arg for both offset and address,
depending on TCG_TARGET_HAS_direct_jump.  Instead, add a new
field to hold the jump insn offset and always set the target
address in jmp_target_addr[].  This will allow a tcg backend
to use either direct or indirect depending on displacement.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:08:55 -10:00
Richard Henderson
b7e4afbd9f tcg: Add gen_tb to TCGContext
This can replace four other variables that are references
into the TranslationBlock structure.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 10:08:51 -10:00
Richard Henderson
3a50f424c9 tcg: Rename TB_JMP_RESET_OFFSET_INVALID to TB_JMP_OFFSET_INVALID
This will shortly be used for more than reset.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:56:45 -10:00
Richard Henderson
cf7d6b8e98 tcg: Split out tcg_out_goto_tb
The INDEX_op_goto_tb opcode needs no register allocation.
Split out a dedicated helper function for it.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:56:45 -10:00
Richard Henderson
becc452a36 tcg: Introduce get_jmp_target_addr
Similar to the existing set_jmp_reset_offset.  Include the
rw->rx address space conversion done by arm and s390x, and
forgotten by mips and riscv.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:56:40 -10:00
Richard Henderson
b52a2c03b7 tcg: Introduce set_jmp_insn_offset
Similar to the existing set_jmp_reset_offset.  Move any assert for
TCG_TARGET_HAS_direct_jump into the new function (which now cannot
be build-time).  Will be unused if TCG_TARGET_HAS_direct_jump is
constant 0, but we can't test for constant in the preprocessor,
so just mark it G_GNUC_UNUSED.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Richard Henderson
7f83167c61 tcg: Replace asserts on tcg_jmp_insn_offset
Test TCG_TARGET_HAS_direct_jump instead of testing an
implementation pointer.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Richard Henderson
1ce41e0443 tcg/sparc64: Remove unused goto_tb code for indirect jump
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Richard Henderson
cea583d13c tcg/ppc: Remove unused goto_tb code for indirect jump
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Richard Henderson
3bb8500ef8 tcg/i386: Remove unused goto_tb code for indirect jump
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Richard Henderson
b55a8d9d0b tcg: Split out tcg_out_exit_tb
The INDEX_op_exit_tb opcode needs no register allocation.
Split out a dedicated helper function for it.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-17 09:55:13 -10:00
Peter Maydell
7c9236d6d6 - Reorg cpu_tb_exec around setjmp.
- Use __attribute__((target)) for buffer_is_zero.
 - Add perfmap and jitdump for perf support.
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Merge tag 'pull-tcg-20230116' of https://gitlab.com/rth7680/qemu into staging

- Reorg cpu_tb_exec around setjmp.
- Use __attribute__((target)) for buffer_is_zero.
- Add perfmap and jitdump for perf support.

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# gpg: Signature made Mon 16 Jan 2023 20:37:12 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20230116' of https://gitlab.com/rth7680/qemu:
  accel/tcg: Split out cpu_exec_{setjmp,loop}
  util/bufferiszero: Use __attribute__((target)) for avx2/avx512
  tcg: add perfmap and jitdump
  accel/tcg: Add debuginfo support
  linux-user: Clean up when exiting due to a signal

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-17 10:24:16 +00:00
Richard Henderson
61710a7e23 accel/tcg: Split out cpu_exec_{setjmp,loop}
Recently the g_assert(cpu == current_cpu) test has been
intermittently failing with gcc.  Reorg the code around
the setjmp to minimize the lifetime of the cpu variable
affected by the setjmp.

This appears to fix the existing issue with clang as well.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1147
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Richard Henderson
701ea5870d util/bufferiszero: Use __attribute__((target)) for avx2/avx512
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.

Include only <immintrin.h> as that is the outermost "official"
header for these intrinsics -- emmintrin.h and smmintrin -- are
older SSE2 and SSE4 specific headers, while the immintrin.h
includes all of the Intel intrinsics.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Ilya Leoshkevich
5584e2dbe8 tcg: add perfmap and jitdump
Add ability to dump /tmp/perf-<pid>.map and jit-<pid>.dump.
The first one allows the perf tool to map samples to each individual
translation block. The second one adds the ability to resolve symbol
names, line numbers and inspect JITed code.

Example of use:

    perf record qemu-x86_64 -perfmap ./a.out
    perf report

or

    perf record -k 1 qemu-x86_64 -jitdump ./a.out
    DEBUGINFOD_URLS= perf inject -j -i perf.data -o perf.data.jitted
    perf report -i perf.data.jitted

Co-developed-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
Co-developed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-4-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Ilya Leoshkevich
7c10cb38cc accel/tcg: Add debuginfo support
Add libdw-based functions for loading and querying debuginfo. Load
debuginfo from the system and the linux-user loaders.

This is useful for the upcoming perf support, which can then put
human-readable guest symbols instead of raw guest PCs into perfmap and
jitdump files.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-3-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Ilya Leoshkevich
da91c19202 linux-user: Clean up when exiting due to a signal
When exiting due to an exit() syscall, qemu-user calls
preexit_cleanup(), but this is currently not the case when exiting due
to a signal. This leads to various buffers not being flushed (e.g.,
for gprof, for gcov, and for the upcoming perf support).

Add the missing call.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230112152013.125680-2-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Peter Maydell
2f8d6a88e4 M68K pull request 20230116
fix FPSR quotient byte
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Merge tag 'm68k-next-pull-request' of https://github.com/vivier/qemu-m68k into staging

M68K pull request 20230116

fix FPSR quotient byte

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# gpg: Signature made Mon 16 Jan 2023 09:18:35 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'm68k-next-pull-request' of https://github.com/vivier/qemu-m68k:
  target/m68k: fix FPSR quotient byte for frem instruction
  target/m68k: fix FPSR quotient byte for fmod instruction
  target/m68k: pass sign directly into make_quotient()
  target/m68k: pass quotient directly into make_quotient()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-16 16:55:30 +00:00
Thomas Huth
fb7e799034 tests/qtest/qom-test: Do not print tested properties by default
We're still running into the problem that some logs are cut in the
gitlab-CI since they got too big. The biggest part of the log is
still the output of the qom-test. Let's stop printing the properties
by default to get to a saner size here. The full output can still
be enabled by setting V=2 (or higher) in the environment.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221215153036.422362-1-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-16 15:00:57 +00:00
Peter Maydell
a8d6abe129 MIPS patches queue
A bunch of cleanups from various people.
 
 - Improved GT64120 on big-endian hosts
 - GT64120 north bridge and MC146818 RTC devices are now target independent
 - Bonito64 north bridge converted to 3-phase reset API
 - PCI refactors around PIIX devices
 - Support for nanoMIPS in bootloader generator API
 - New YAMON Malta Avocado test
 - Removal of 'trap and emulate' KVM support
 - System-specific QMP commands restricted to system emulation
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Merge tag 'mips-20230113' of https://github.com/philmd/qemu into staging

MIPS patches queue

A bunch of cleanups from various people.

- Improved GT64120 on big-endian hosts
- GT64120 north bridge and MC146818 RTC devices are now target independent
- Bonito64 north bridge converted to 3-phase reset API
- PCI refactors around PIIX devices
- Support for nanoMIPS in bootloader generator API
- New YAMON Malta Avocado test
- Removal of 'trap and emulate' KVM support
- System-specific QMP commands restricted to system emulation

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# gpg: Signature made Fri 13 Jan 2023 15:35:28 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'mips-20230113' of https://github.com/philmd/qemu: (46 commits)
  scripts/git.orderfile: Display MAINTAINERS changes first
  target/mips: Restrict 'qapi-commands-machine.h' to system emulation
  hw/mips/boston: Rename MachineState 'mc' pointer to 'ms'
  hw/pci-host/bonito: Declare TYPE_BONITO_PCI_HOST_BRIDGE in header
  hw/pci-host/bonito: Use 'bonito_pci' for PCI function #0 code
  hw/pci-host/bonito: Use 'bonito_host' for PCI host bridge code
  hw/pci-host/bonito: Convert to 3-phase reset
  softmmu/rtc: Emit warning when using driftfix=slew on systems without mc146818
  hw/rtc/mc146818rtc: Make the mc146818 RTC device target independent
  hw/core/qdev-properties-system: Allow the 'slew' policy only on x86
  hw/intc: Extract the IRQ counting functions into a separate file
  hw/intc/i8259: Make using the isa_pic singleton more type-safe
  hw/usb/hcd-uhci: Introduce TYPE_ defines for device models
  hw/mips/Kconfig: Track Malta's PIIX dependencies via Kconfig
  hw/isa/piix4: Decouple INTx-to-LNKx routing which is board-specific
  hw/isa/piix3: Decouple INTx-to-LNKx routing which is board-specific
  hw/pci/pci: Factor out pci_bus_map_irqs() from pci_bus_irqs()
  hw/pci/pci_host: Trace config accesses on unexisting functions
  mips: Always include nanomips disassembler
  mips: Remove support for trap and emulate KVM
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-16 11:24:11 +00:00
Mark Cave-Ayland
1a282f60a9 target/m68k: fix FPSR quotient byte for frem instruction
The FPSR quotient byte should be set to the value of the quotient and not the
result. Manually calculate the quotient in the frem helper in round to nearest
even mode (note this is different from the quotient calculated internally for
fmod), and use it to set the quotient byte accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1314
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230114232959.118224-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-01-16 09:47:31 +01:00
Mark Cave-Ayland
ad6dae3b33 target/m68k: fix FPSR quotient byte for fmod instruction
The FPSR quotient byte should be set to the value of the quotient and not the
result. Switch from using floatx80_mod() to floatx80_modrem() which returns
the quotient as a uint64_t which can be used for the quotient byte.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230114232959.118224-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-01-16 09:47:31 +01:00
Mark Cave-Ayland
60b598df6e target/m68k: pass sign directly into make_quotient()
This enables the quotient parameter to be changed from int32_t to uint32_t and
also allows the extra sign logic in make_quotient() to be removed.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230114232959.118224-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-01-16 09:47:31 +01:00
Mark Cave-Ayland
3ec21437b1 target/m68k: pass quotient directly into make_quotient()
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230114232959.118224-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-01-16 09:47:31 +01:00
Philippe Mathieu-Daudé
4828656f65 scripts/git.orderfile: Display MAINTAINERS changes first
If we get custom to see MAINTAINERS changes first,
we might catch missing MAINTAINERS updates easier.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221216225505.26052-1-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
6ba97c48a6 target/mips: Restrict 'qapi-commands-machine.h' to system emulation
Since commit a0e61807a3 ("qapi: Remove QMP events and commands from
user-mode builds") we don't generate the "qapi-commands-machine.h"
header in a user-emulation-only build.

Extract the QMP functions from cpu.c (which is always compiled) to
the new 'sysemu/mips-qmp-cmds.c' unit (which is only compiled when
system emulation is selected).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221219211034.70491-4-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Daniel Henrique Barboza
026334610f hw/mips/boston: Rename MachineState 'mc' pointer to 'ms'
Follow the QEMU convention of naming MachineState pointers as 'ms' by
renaming the instance in create_fdt() where we're calling it 'mc'.

Cc: Paul Burton <paulburton@kernel.org>
Cc: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20230111172133.334735-1-dbarboza@ventanamicro.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
aad07969bb hw/pci-host/bonito: Declare TYPE_BONITO_PCI_HOST_BRIDGE in header
Declare the TYPE_BONITO_PCI_HOST_BRIDGE QOM type in a
header to be able to access it from board code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230105130710.49264-8-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
eb66dac46d hw/pci-host/bonito: Use 'bonito_pci' for PCI function #0 code
To make it easier to differentiate between the Host Bridge
object and its PCI function #0, rename bonito* as bonito_pci*.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230105130710.49264-4-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
f9ab9c6e2b hw/pci-host/bonito: Use 'bonito_host' for PCI host bridge code
To make it easier to differentiate between the Host Bridge
object and its PCI function #0, rename bonito_pcihost* as
bonito_host*.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230105130710.49264-3-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
4dd5cb5d84 hw/pci-host/bonito: Convert to 3-phase reset
Convert the TYPE_PCI_BONITO class to use 3-phase reset.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230105130710.49264-2-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Thomas Huth
e8dc34196b softmmu/rtc: Emit warning when using driftfix=slew on systems without mc146818
The 'slew' lost tick policy is only available on systems with a mc146818
RTC. On other systems, "-rtc driftfix=slew" is currently silently ignored.
Let's emit at least a warning in this case to make the users aware that
there is something wrong in their command line settings.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-5-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Thomas Huth
e896d84933 hw/rtc/mc146818rtc: Make the mc146818 RTC device target independent
The only reason for this code being target dependent was the IRQ-counting
related code in rtc_policy_slew_deliver_irq(). Since these functions have
been moved into a new, separate file (kvm_irqcount.c) which is now always
compiled and linked if necessary, we can get rid of the #ifdef TARGET_I386
switches in mc146818rtc.c and declare it in the softmmu_ss instead of
specific_ss, so that the code only gets compiled once for all targets.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-4-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Thomas Huth
aae167211f hw/core/qdev-properties-system: Allow the 'slew' policy only on x86
The 'slew' tick policy is currently enforced to be only available on
x86 via some "#ifdef TARGET_I386" statements in mc146818rtc.c. We
want to get rid of those #ifdefs, so we need a different way of
checking whether the policy is allowed or not. Using the setter
function in hw/core/qdev-properties-system.c seems to be a good
place, so let's add a check here.

Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230110095351.611724-3-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Thomas Huth
2b85e0cda4 hw/intc: Extract the IRQ counting functions into a separate file
These IRQ counting functions will soon be required in binaries that
do not include the APIC code, too, so let's extract them into a
separate file that can be linked independently of the APIC code.

While we're at it, change the apic_* prefix into kvm_* since the
functions are used from the i8259 PIC (i.e. not the APIC), too.

Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-2-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
2aaf0ec7ff hw/intc/i8259: Make using the isa_pic singleton more type-safe
This even spares some casts in hot code paths along the way.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
f0712099a2 hw/usb/hcd-uhci: Introduce TYPE_ defines for device models
Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221204190553.3274-7-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
c451e07798 hw/mips/Kconfig: Track Malta's PIIX dependencies via Kconfig
Tracking dependencies via Kconfig seems much cleaner.

Note that PIIX4 already depends on ACPI_PIIX4.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230109172347.1830-8-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
3c73d590e7 hw/isa/piix4: Decouple INTx-to-LNKx routing which is board-specific
pci_map_irq_fn's in general seem to be board-specific, and PIIX4's
pci_slot_get_pirq() in particular seems very Malta-specific. So move the
latter to malta.c to 1/ keep the board logic in one place and 2/ avoid
PIIX4 to make assumptions about its board.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-7-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
738c2eb47f hw/isa/piix3: Decouple INTx-to-LNKx routing which is board-specific
pci_map_irq_fn's in general seem to be board-specific. So move PIIX3's
pci_slot_get_pirq() to board code to not have PIIX3 make assuptions
about its board.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Bernhard Beschow
f021f4e9d2 hw/pci/pci: Factor out pci_bus_map_irqs() from pci_bus_irqs()
pci_bus_irqs() coupled together the assignment of pci_set_irq_fn and
pci_map_irq_fn to a PCI bus. This coupling gets in the way when the
pci_map_irq_fn is board-specific while the pci_set_irq_fn is device-
specific.

For example, both of QEMU's PIIX south bridge models have different
pci_map_irq_fn implementations which are board-specific rather than
device-specific. These implementations should therefore reside in board
code. The pci_set_irq_fn's, however, should stay in the device models
because they access memory internal to the model.

Factoring out pci_bus_map_irqs() from pci_bus_irqs() allows the
assignments to be decoupled, resolving the problem described above.

Note also how pci_vpb_realize() which gets touched in this commit
assigns different pci_map_irq_fn's depending on the board.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-5-shentey@gmail.com>
[PMD: Factor out in vfu_object_set_bus_irq()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Philippe Mathieu-Daudé
1bdad09bf3 hw/pci/pci_host: Trace config accesses on unexisting functions
Currently we only emit trace events for existing PCI functions.
In order to ease debugging PCI enumeration process, also emit
for unexisting functions:

  $ qemu-system-foo -trace pci_cfg_\*
  ...
  pci_cfg_read empty 00:0a.4 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0a.5 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0a.6 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0a.7 @0x0 -> 0xffffffff
  pci_cfg_read pcnet 00:0b.0 @0x0 -> 0x20001022
  pci_cfg_read empty 00:0c.0 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0d.0 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0e.0 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:0f.0 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:10.0 @0x0 -> 0xffffffff
  pci_cfg_read empty 00:11.0 @0x0 -> 0xffffffff
  pci_cfg_read cirrus-vga 00:12.0 @0x0 -> 0xb81013

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230104133935.4639-2-philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Paolo Bonzini
f995037430 mips: Always include nanomips disassembler
Since the nanomips disassembler is not C++ code anymore, it need not
depend on link_language == cpp.  Always include it and remove the
CONFIG_NANOMIPS_DIS symbol.

Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230110084942.299460-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:53 +01:00
Peter Maydell
886fb67020 target-arm queue:
hw/arm/stm32f405: correctly describe the memory layout
  hw/arm: Add Olimex H405 board
  cubieboard: Support booting from an SD card image with u-boot on it
  target/arm: Fix sve_probe_page
  target/arm: allow writes to SCR_EL3.HXEn bit when FEAT_HCX is enabled
  various code cleanups
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Merge tag 'pull-target-arm-20230113' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 hw/arm/stm32f405: correctly describe the memory layout
 hw/arm: Add Olimex H405 board
 cubieboard: Support booting from an SD card image with u-boot on it
 target/arm: Fix sve_probe_page
 target/arm: allow writes to SCR_EL3.HXEn bit when FEAT_HCX is enabled
 various code cleanups

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# VsvMR2T6kmS3FId50bW5OQ==
# =D+ib
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 13 Jan 2023 14:10:46 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20230113' of https://git.linaro.org/people/pmaydell/qemu-arm: (38 commits)
  target/arm: allow writes to SCR_EL3.HXEn bit when FEAT_HCX is enabled
  hw/timer/xilinx_timer: Use XpsTimerState instead of 'struct timerblock'
  hw/intc/xilinx_intc: Use 'XpsIntc' typedef instead of 'struct xlx_pic'
  hw/misc/sbsa_ec: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE()
  hw/misc/sbsa_ec: Rename TYPE_SBSA_EC -> TYPE_SBSA_SECURE_EC
  hw/arm/npcm7xx: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE()
  hw/arm/bcm2836: Remove definitions generated by OBJECT_DECLARE_TYPE()
  hw/arm/stellaris: Use CamelCase for STELLARIS_ADC type name
  hw/arm/stellaris: Drop useless casts from void * to pointer
  hw/intc/omap_intc: Use CamelCase for TYPE_OMAP_INTC type name
  hw/gpio/omap_gpio: Use CamelCase for TYPE_OMAP2_GPIO type name
  hw/gpio/omap_gpio: Use CamelCase for TYPE_OMAP1_GPIO type name
  hw/arm/omap: Drop useless casts from void * to pointer
  hw/gpio/omap_gpio: Add local variable to avoid embedded cast
  hw/arm/pxa: Avoid forward-declaring PXA2xxI2CState
  hw/arm: Remove unreachable code calling pflash_cfi01_register()
  hw/arm/vexpress: Remove dead code in vexpress_common_init()
  hw/arm/z2: Use the IEC binary prefix definitions
  hw/arm/omap_sx1: Use the IEC binary prefix definitions
  hw/arm/omap_sx1: Remove unused 'total_ram' definitions
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-13 14:12:43 +00:00