Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20241114011310.3615-19-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241114011310.3615-20-philmd@linaro.org>
Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241114011310.3615-18-philmd@linaro.org>
Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241114011310.3615-17-philmd@linaro.org>
Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241114011310.3615-16-philmd@linaro.org>
Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20241114011310.3615-14-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move tb_check_watchpoint declaration from tb-internal.h, which is
still target-specific, to internal-common.h, which isn't.
Otherwise, all that is required to build watchpoint.c once is
to include the new exec/cpu-interrupt.h instead of exec/exec-all.h.
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Some of these bits are actually common to all cpus; while the
reset have common reservations for target-specific usage.
While generic code cannot know what the target-specific usage is,
common code can know what to do with the bits, e.g. single-step.
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Re-use the TARGET_PAGE_BITS_VARY mechanism to define
TARGET_PAGE_SIZE and friends when not compiling per-target.
Inline qemu_target_page_{size,mask,bits} as they are now trivial.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
CPU_TLB_DYN_*_BITS definitions are only used by accel/tcg/cputlb.c
and accel/tcg/translate-all.c. Move them to accel/tcg/tb-internal.h.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250305191859.71608-1-philmd@linaro.org>
While qemu-system can set tb-size using -accel tcg,tb-size=n, there
is no similar knob for qemu-user. Add one in a way similar to how
one-insn-per-tb is already handled.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240730215532.1442-1-iii@linux.ibm.com>
- Merge "qemu/clang-tsa.h" within "qemu/compiler.h"
- Various cleanups around accelerators initialization code
(better user/system split)
- Various trivial cleanups in accel/tcg/,
Guard few TCG calls with tcg_enabled()
- Explicit disassemble_info endianness
- Improve dual-endianness support for MicroBlaze
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Merge tag 'accel-cpus-20250306' of https://github.com/philmd/qemu into staging
Generic CPUs / accelerators patch queue
- Merge "qemu/clang-tsa.h" within "qemu/compiler.h"
- Various cleanups around accelerators initialization code
(better user/system split)
- Various trivial cleanups in accel/tcg/,
Guard few TCG calls with tcg_enabled()
- Explicit disassemble_info endianness
- Improve dual-endianness support for MicroBlaze
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# gpg: Signature made Thu 06 Mar 2025 23:46:23 HKT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'accel-cpus-20250306' of https://github.com/philmd/qemu: (54 commits)
include: Poison TARGET_PHYS_ADDR_SPACE_BITS definition
system: Open-code qemu_init_arch_modules() using target_name()
target/i386: Mark WHPX APIC region as little-endian
target/alpha: Do not mix exception flags and FPCR bits
target/riscv: Convert misa_mxl_max using GLib macros
target/riscv: Declare RISCVCPUClass::misa_mxl_max as RISCVMXL
target/xtensa: Finalize config in xtensa_register_core()
target/sparc: Constify SPARCCPUClass::cpu_def
target/i386: Constify X86CPUModel uses
disas: Remove target_words_bigendian() call in initialize_debug_target()
target/xtensa: Set disassemble_info::endian value in disas_set_info()
target/sh4: Set disassemble_info::endian value in disas_set_info()
target/riscv: Set disassemble_info::endian value in disas_set_info()
target/ppc: Set disassemble_info::endian value in disas_set_info()
target/mips: Set disassemble_info::endian value in disas_set_info()
target/microblaze: Set disassemble_info::endian value in disas_set_info
target/arm: Set disassemble_info::endian value in disas_set_info()
target: Set disassemble_info::endian value for big-endian targets
target: Set disassemble_info::endian value for little-endian targets
target/mips: Fix possible MSA int overflow
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
- Several iotest fixes
- Refactor QMP for NbdServerOptions for less repetition
- Avoid a hang in 'qemu-nbd --fork' when simple trace backend is enabled
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Merge tag 'pull-nbd-2025-03-05' of https://repo.or.cz/qemu/ericb into staging
NBD patches for 2025-03-05
- Several iotest fixes
- Refactor QMP for NbdServerOptions for less repetition
- Avoid a hang in 'qemu-nbd --fork' when simple trace backend is enabled
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# gpg: Signature made Thu 06 Mar 2025 07:04:45 HKT
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A
* tag 'pull-nbd-2025-03-05' of https://repo.or.cz/qemu/ericb:
nbd: Defer trace init until after daemonization
qapi: merge common parts of NbdServerOptions and nbd-server-start data
iotests: Stop NBD server in test 162 before starting the next one
iotest: Unbreak 302 with python 3.13
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Ensure common code never use this target specific definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250305153929.43687-4-philmd@linaro.org>
Mostly revert commit c80cafa0c7 ("system: Add qemu_init_arch_modules")
but using target_name() instead of the target specific 'TARGET_NAME'
definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250305005225.95051-3-philmd@linaro.org>
This device is only used by the x86 targets, which are only
built as little-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_LITTLE_ENDIAN (besides, the
DEVICE_BIG_ENDIAN case isn't tested). Simplify directly
using DEVICE_LITTLE_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250212113938.38692-6-philmd@linaro.org>
get_float_exception_flags() returns exception flags,
which are distinct from the FPCR bits used as error code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250211162604.83446-1-philmd@linaro.org>
Use GLib conversion macros to pass misa_mxl_max as
riscv_cpu_class_init() class data.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210133134.90879-6-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210133134.90879-5-philmd@linaro.org>
Make XtensaConfigList::config not const. Only modify
XtensaConfig within xtensa_register_core(), when the
class is registered, not when it is initialized.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20250210133134.90879-4-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210133134.90879-3-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210133134.90879-2-philmd@linaro.org>
All CPUClass implementating disas_set_info() must set the
disassemble_info::endian value.
Ensure that by setting %endian to BFD_ENDIAN_UNKNOWN before
calling the CPUClass::disas_set_info() handler, then asserting
%endian is not BFD_ENDIAN_UNKNOWN after the call.
This allows removing the target_words_bigendian() call in disas/.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250210212931.62401-11-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-10-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-9-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-8-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback always set\
the disassemble_info::endian field.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-7-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-6-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-5-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-4-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field for big-endian targets.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-3-philmd@linaro.org>
Have the CPUClass::disas_set_info() callback set the
disassemble_info::endian field for little-endian targets.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250210212931.62401-2-philmd@linaro.org>
Fix possible overflow in 1 << (DF_BITS(df) - 2) when DF_BITS(df)
is 64 by using a 64-bit integer for the shift operation.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Reported-by: Dmitriy Fedin <d.fedin@fobos-nt.ru>
Signed-off-by: Denis Rastyogin <gerben@altlinux.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20250124122707.54264-1-gerben@altlinux.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Currently only system emulation is supported.
Assert no target code is built for user emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250121142341.17001-4-philmd@linaro.org>
Currently only system emulation is supported.
Assert no target code is built for user emulation.
Remove #ifdef'ry since more work is required before
being able to emulate a user process.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250121142341.17001-3-philmd@linaro.org>
Currently only user emulation is supported.
Assert no target code is built for system emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Brian Cain <brian.cain@oss.qualcomm.com>
Message-Id: <20250121142341.17001-2-philmd@linaro.org>
OpenRISC timer is architecturally tied to the CPU.
It doesn't belong to the machine init() code to
instanciate it: move its creation when a vCPU is
realized (after being created).
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250114231304.77150-1-philmd@linaro.org>
decode_bytes reads 1, 2, 4, or 8 bytes at a time. The destination
variable should therefore be a uint64_t, not a target_ulong.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
Fixes: ff2de1668c ("i386: hvf: remove addr_t")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241209203629.74436-9-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Consider the CPU ENDI bit, swap instructions when the CPU
endianness doesn't match the binary one.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241105130431.22564-17-philmd@linaro.org>
mo_endian() returns the target endianness, currently static.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241105130431.22564-16-philmd@linaro.org>
All callers of do_load() / do_store() set MO_TE flag.
Set it once in the callees.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241105130431.22564-15-philmd@linaro.org>
Extract the implicit MO_TE definition in order to replace
it by runtime variable in the next commit.
Mechanical change using:
$ for n in UW UL UQ UO SW SL SQ; do \
sed -i -e "s/MO_TE$n/MO_TE | MO_$n/" \
$(git grep -l MO_TE$n target/microblaze); \
done
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20241105130431.22564-14-philmd@linaro.org>
Directly call cpu_set_pc() instead of open-coding it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250122093028.52416-2-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250121142341.17001-5-philmd@linaro.org>
Slighly simplify cpu-target.c again by extracting cpu_exec_initfn()
to cpu-{system,user}.c, adding an empty stub for user emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-19-philmd@linaro.org>
Rather than maintaining a mix of system / user code for CPU
class properties, move system properties to cpu-system.c
and user ones to the new cpu-user.c unit.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-18-philmd@linaro.org>
CPU_INTERRUPT_EXIT was removed in commit 3098dba01c
("Use a dedicated function to request exit from execution
loop"), tlb_flush() and tb_flush() are related to TCG
accelerator.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-17-philmd@linaro.org>
