tcg: Add temp_subindex to TCGTemp

Record the location of a TCGTemp within a larger object.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderso

tcg: Add temp_subindex to TCGTemp

Record the location of a TCGTemp within a larger object.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Introduce paired register allocation

There are several instances where we need to be able to
allocate a pair of registers to related inputs/outputs.
Add 'p' and 'm' register constraints for thi

tcg: Introduce paired register allocation

There are several instances where we need to be able to
allocate a pair of registers to related inputs/outputs.
Add 'p' and 'm' register constraints for this, in order to
be able to allocate the even/odd register first or second.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Massage process_op_defs()

In preparation of introducing paired registers,
massage a bit process_op_defs()'s switch case.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: S

tcg: Massage process_op_defs()

In preparation of introducing paired registers,
massage a bit process_op_defs()'s switch case.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Split from bigger patch, 1/3]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221219220925.79218-2-philmd@linaro.org>

show more ...

tcg: Remove check_regs

We now check the consistency of reg_to_temp[] with each update,
so the utility of checking consistency at the end of each
opcode is minimal. In addition, the form of this che

tcg: Remove check_regs

We now check the consistency of reg_to_temp[] with each update,
so the utility of checking consistency at the end of each
opcode is minimal. In addition, the form of this check is
quite expensive, consuming 10% of a checking-enabled build.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Centralize updates to reg_to_temp

Create two new functions, set_temp_val_{reg,nonreg}.
Assert that the reg_to_temp mapping is correct before
any changes are made.

Reviewed-by: Alex Bennée <ale

tcg: Centralize updates to reg_to_temp

Create two new functions, set_temp_val_{reg,nonreg}.
Assert that the reg_to_temp mapping is correct before
any changes are made.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Fix tcg_reg_alloc_dup*

The assignment to mem_coherent should be done with any
modification, not simply with a newly allocated register.

Signed-off-by: Richard Henderson <richard.henderson@lina

tcg: Fix tcg_reg_alloc_dup*

The assignment to mem_coherent should be done with any
modification, not simply with a newly allocated register.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Remove TCG_TARGET_STACK_GROWSUP

The hppa host code has been removed since 2013; this
should have been deleted at the same time.

Fixes: 802b5081233a ("tcg-hppa: Remove tcg backend")
Reviewed-by

tcg: Remove TCG_TARGET_STACK_GROWSUP

The hppa host code has been removed since 2013; this
should have been deleted at the same time.

Fixes: 802b5081233a ("tcg-hppa: Remove tcg backend")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Tidy tcg_reg_alloc_op

Replace goto allocate_in_reg with a boolean.
Remove o_preferred_regs which isn't used, except to copy.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-

tcg: Tidy tcg_reg_alloc_op

Replace goto allocate_in_reg with a boolean.
Remove o_preferred_regs which isn't used, except to copy.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg: Cleanup trailing whitespace

Remove whitespace at end of line, plus one place this also
highlights some missing braces.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Ri

tcg: Cleanup trailing whitespace

Remove whitespace at end of line, plus one place this also
highlights some missing braces.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20221109' of https://gitlab.com/rth7680/qemu into staging

Fix -Werror=clobbered issue with tb_gen_code

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Merge tag 'pull-tcg-20221109' of https://gitlab.com/rth7680/qemu into staging

Fix -Werror=clobbered issue with tb_gen_code

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# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20221109' of https://gitlab.com/rth7680/qemu:
accel/tcg: Split out setjmp_gen_code
tcg: Move TCG_TARGET_HAS_direct_jump init to tb_gen_code

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tcg: Move TCG_TARGET_HAS_direct_jump init to tb_gen_code

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Merge tag 'pull-testing-for-7.2-011122-3' of https://github.com/stsquad/qemu into staging

testing and plugin updates for 7.2:

- cleanup win32/64 docker files
- update test-mingw test
- add fl

Merge tag 'pull-testing-for-7.2-011122-3' of https://github.com/stsquad/qemu into staging

testing and plugin updates for 7.2:

- cleanup win32/64 docker files
- update test-mingw test
- add flex/bison to debian-all-test
- handle --enable-static/--disable-pie in config
- extend timeouts on x86_64 avocado tests
- add flex/bison to debian-hexagon-cross
- use regular semihosting for nios2 check-tcg
- fix obscure linker error to nios2 softmmu tests
- various windows portability fixes for tests
- clean-up of MAINTAINERS
- use -machine none when appropriate in avocado
- make raspi2_initrd test detect shutdown
- disable sh4 rd2 tests on gitlab
- re-enable threadcount/linux-test for sh4
- clean-up s390x handling of "ex" instruction
- better handle new CPUs in execlog plugin
- pass CONFIG_DEBUG_TCG to plugin builds
- try and avoid races in test-io-channel-command
- speed up ssh key checking for tests/vm

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# 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: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-testing-for-7.2-011122-3' of https://github.com/stsquad/qemu: (31 commits)
tests/vm: use -o IdentitiesOnly=yes for ssh
tests/unit: cleanups for test-io-channel-command
contrib/plugins: protect execlog's last_exec expansion
contrib/plugins: enable debug on CONFIG_DEBUG_TCG
tests/tcg: include CONFIG_PLUGIN in config-host.mak
target/s390x: fake instruction loading when handling 'ex'
target/s390x: don't probe next pc for EXecuted insns
target/s390x: don't use ld_code2 to probe next pc
tests/tcg: re-enable threadcount for sh4
tests/tcg: re-enable linux-test for sh4
tests/avocado: disable sh4 rd2 tests on Gitlab
tests/avocado: raspi2_initrd: Wait for guest shutdown message before stopping
tests/avocado: set -machine none for userfwd and vnc tests
MAINTAINERS: fix-up for check-tcg Makefile changes
MAINTAINERS: add features_to_c.sh to gdbstub files
MAINTAINERS: add entries for the key build bits
hw/usb: dev-mtp: Use g_mkdir()
block/vvfat: Unify the mkdir() call
tcg: Avoid using hardcoded /tmp
semihosting/arm-compat-semi: Avoid using hardcoded /tmp
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

Merge tag 'pull-tcg-20221031-2' of https://gitlab.com/rth7680/qemu into staging

Remove sparc32plus support from tcg/sparc.
target/i386: Use cpu_unwind_state_data for tpr access.
target/i386: Expand

Merge tag 'pull-tcg-20221031-2' of https://gitlab.com/rth7680/qemu into staging

Remove sparc32plus support from tcg/sparc.
target/i386: Use cpu_unwind_state_data for tpr access.
target/i386: Expand eflags updates inline
Complete cpu initialization before registration

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# gpg: Signature made Mon 31 Oct 2022 17:49:38 EDT
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# 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-20221031-2' of https://gitlab.com/rth7680/qemu:
tests/tcg/multiarch: Add munmap-pthread.c
accel/tcg: Complete cpu initialization before registration
target/i386: Expand eflags updates inline
accel/tcg: Remove reset_icount argument from cpu_restore_state_from_tb
accel/tcg: Remove will_exit argument from cpu_restore_state
target/openrisc: Use cpu_unwind_state_data for mfspr
target/openrisc: Always exit after mtspr npc
target/i386: Use cpu_unwind_state_data for tpr access
accel/tcg: Introduce cpu_unwind_state_data
tcg/tci: fix logic error when registering helpers via FFI
tcg/sparc64: Remove sparc32plus constraints
tcg/sparc64: Rename from tcg/sparc
tcg/sparc: Remove support for sparc32plus

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tcg: Avoid using hardcoded /tmp

Use g_get_tmp_dir() to get the directory to use for temporary files.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lurea

tcg: Avoid using hardcoded /tmp

Use g_get_tmp_dir() to get the directory to use for temporary files.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221006151927.2079583-3-bmeng.cn@gmail.com>
Message-Id: <20221027183637.2772968-12-alex.bennee@linaro.org>

show more ...

tcg/tci: fix logic error when registering helpers via FFI

When registering helpers via FFI for TCI, the inner loop that iterates
parameters of the helper reuses (and thus pollutes) the same variable

tcg/tci: fix logic error when registering helpers via FFI

When registering helpers via FFI for TCI, the inner loop that iterates
parameters of the helper reuses (and thus pollutes) the same variable
used by the outer loop that iterates all helpers, thus made some helpers
unregistered.

Fix this logic error by using a dedicated temporary variable for the
inner loop.

Fixes: 22f15579fa ("tcg: Build ffi data structures for helpers")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Message-Id: <20221028072145.1593205-1-uwu@icenowy.me>
[rth: Move declaration of j to the for loop itself]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tcg/sparc: Remove support for sparc32plus

Since 9b9c37c36439, we have only supported sparc64 cpus.
Debian and Gentoo now only support 64-bit sparc64 userland,
so it is time to drop the 32-bit sparc6

tcg/sparc: Remove support for sparc32plus

Since 9b9c37c36439, we have only supported sparc64 cpus.
Debian and Gentoo now only support 64-bit sparc64 userland,
so it is time to drop the 32-bit sparc64 userland: sparc32plus.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20221004' of https://gitlab.com/rth7680/qemu into staging

Cache CPUClass for use in hot code paths.
Add CPUTLBEntryFull, probe_access_full, tlb_set_page_full.
Add generic support

Merge tag 'pull-tcg-20221004' of https://gitlab.com/rth7680/qemu into staging

Cache CPUClass for use in hot code paths.
Add CPUTLBEntryFull, probe_access_full, tlb_set_page_full.
Add generic support for TARGET_TB_PCREL.
tcg/ppc: Optimize 26-bit jumps using STQ for POWER 2.07
target/sh4: Fix TB_FLAG_UNALIGN

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# 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-20221004' of https://gitlab.com/rth7680/qemu:
target/sh4: Fix TB_FLAG_UNALIGN
tcg/ppc: Optimize 26-bit jumps
accel/tcg: Introduce TARGET_TB_PCREL
accel/tcg: Introduce tb_pc and log_pc
hw/core: Add CPUClass.get_pc
include/hw/core: Create struct CPUJumpCache
accel/tcg: Inline tb_flush_jmp_cache
accel/tcg: Do not align tb->page_addr[0]
accel/tcg: Use DisasContextBase in plugin_gen_tb_start
accel/tcg: Use bool for page_find_alloc
accel/tcg: Remove PageDesc code_bitmap
include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA
accel/tcg: Introduce tlb_set_page_full
accel/tcg: Introduce probe_access_full
accel/tcg: Suppress auto-invalidate in probe_access_internal
accel/tcg: Drop addr member from SavedIOTLB
accel/tcg: Rename CPUIOTLBEntry to CPUTLBEntryFull
cputlb: used cached CPUClass in our hot-paths
hw/core/cpu-sysemu: used cached class in cpu_asidx_from_attrs
cpu: cache CPUClass in CPUState for hot code paths

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

accel/tcg: Introduce tb_pc and log_pc

The availability of tb->pc will shortly be conditional.
Introduce accessor functions to minimize ifdefs.

Pass around a known pc to places like tcg_gen_code,
wh

accel/tcg: Introduce tb_pc and log_pc

The availability of tb->pc will shortly be conditional.
Introduce accessor functions to minimize ifdefs.

Pass around a known pc to places like tcg_gen_code,
where the caller must already have the value.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Misc cleanups

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Merge tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Misc cleanups

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# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu: (30 commits)
qga: use fixed-length and GDateTime for log timestamp
tests/fuzz: fix warning
qga: remove need for QEMU atomic.h
util: replace qemu_get_local_state_pathname()
util: use qemu_create() in qemu_write_pidfile()
util: use qemu_write_full() in qemu_write_pidfile()
util: simplify write in signal handler
qtest: simplify socket_send()
qga: move qga_get_host_name()
Move error_printf_unless_qmp() with monitor unit
tests: run-time skip test-qga if TSAN is enabled
compiler.h: add QEMU_SANITIZE_{ADDRESS,THREAD}
tests: remove block/qdict checks from check-qobject.c
include: move qdict_{crumple,flatten} declarations
include: add qemu/keyval.h
include: move qemu_fdatasync() to osdep
include: move qemu_msync() to osdep
compiler.h: replace QEMU_NORETURN with G_NORETURN
osdep.h: move qemu_build_not_reached()
doc/style: CLang -> Clang
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

compiler.h: replace QEMU_NORETURN with G_NORETURN

G_NORETURN was introduced in glib 2.68, fallback to G_GNUC_NORETURN in
glib-compat.

Note that this attribute must be placed before the function dec

compiler.h: replace QEMU_NORETURN with G_NORETURN

G_NORETURN was introduced in glib 2.68, fallback to G_GNUC_NORETURN in
glib-compat.

Note that this attribute must be placed before the function declaration
(bringing a bit of consistency in qemu codebase usage).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20220420132624.2439741-20-marcandre.lureau@redhat.com>

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Merge tag 'pull-tcg-20220420' of https://gitlab.com/rth7680/qemu into staging

Cleanup sysemu/tcg.h usage.
Fix indirect lowering vs cond branches
Remove ATOMIC_MMU_IDX
Add tcg_constant_ptr

# -----BE

Merge tag 'pull-tcg-20220420' of https://gitlab.com/rth7680/qemu into staging

Cleanup sysemu/tcg.h usage.
Fix indirect lowering vs cond branches
Remove ATOMIC_MMU_IDX
Add tcg_constant_ptr

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-tcg-20220420' of https://gitlab.com/rth7680/qemu:
tcg: Add tcg_constant_ptr
accel/tcg: Remove ATOMIC_MMU_IDX
tcg: Fix indirect lowering vs TCG_OPF_COND_BRANCH
Don't include sysemu/tcg.h if it is not necessary

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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Merge tag 'pull-log-20220420' of https://gitlab.com/rth7680/qemu into staging

Clean up log locking.
Use the FILE* from qemu_log_trylock more often.
Support per-thread log files with -d tid.

# -----

Merge tag 'pull-log-20220420' of https://gitlab.com/rth7680/qemu into staging

Clean up log locking.
Use the FILE* from qemu_log_trylock more often.
Support per-thread log files with -d tid.

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# gpg: Signature made Wed 20 Apr 2022 11:03:01 AM PDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-log-20220420' of https://gitlab.com/rth7680/qemu: (39 commits)
util/log: Support per-thread log files
util/log: Limit RCUCloseFILE to file closing
util/log: Rename QemuLogFile to RCUCloseFILE
util/log: Combine two logfile closes
util/log: Hoist the eval of is_daemonized in qemu_set_log_internal
util/log: Rename qemu_logfile_mutex to global_mutex
util/log: Rename qemu_logfile to global_file
util/log: Rename logfilename to global_filename
util/log: Remove qemu_log_close
softmmu: Use qemu_set_log_filename_flags
linux-user: Use qemu_set_log_filename_flags
bsd-user: Use qemu_set_log_filename_flags
util/log: Introduce qemu_set_log_filename_flags
sysemu/os-win32: Test for and use _lock_file/_unlock_file
include/qemu/log: Move entire implementation out-of-line
include/exec/log: Do not reference QemuLogFile directly
tests/unit: Do not reference QemuLogFile directly
linux-user: Expand log_page_dump inline
bsd-user: Expand log_page_dump inline
util/log: Drop call to setvbuf
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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tcg: Fix indirect lowering vs TCG_OPF_COND_BRANCH

With TCG_OPF_COND_BRANCH, we extended the lifetimes of
globals across extended basic blocks. This means that
the liveness computed in pass 1 does n

tcg: Fix indirect lowering vs TCG_OPF_COND_BRANCH

With TCG_OPF_COND_BRANCH, we extended the lifetimes of
globals across extended basic blocks. This means that
the liveness computed in pass 1 does not kill globals
in the same way as normal temps.

Introduce TYPE_EBB to match this lifetime, so that we
get correct register allocation for the temps that we
introduce during the indirect lowering pass.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: b4cb76e6208 ("tcg: Do not kill globals at conditional branches")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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util/log: Remove qemu_log_flush

All uses flush output immediately before or after qemu_log_unlock.
Instead of a separate call, move the flush into qemu_log_unlock.

Reviewed-by: Alex Bennée <alex.be

util/log: Remove qemu_log_flush

All uses flush output immediately before or after qemu_log_unlock.
Instead of a separate call, move the flush into qemu_log_unlock.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-20-richard.henderson@linaro.org>

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tcg: Pass the locked filepointer to tcg_dump_ops

We have already looked up and locked the filepointer.
Use fprintf instead of qemu_log directly for output
in and around tcg_dump_ops.

Reviewed-by: A

tcg: Pass the locked filepointer to tcg_dump_ops

We have already looked up and locked the filepointer.
Use fprintf instead of qemu_log directly for output
in and around tcg_dump_ops.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-12-richard.henderson@linaro.org>

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