In commit 98ed8ecfc9 ("exec: introduce target_words_bigendian()
helper") target_words_bigendian() was matching the definition it
was depending on (TARGET_WORDS_BIGENDIAN). Later in commit
ee3eb3a7ce ("Replace TARGET_WORDS_BIGENDIAN") the definition was
renamed as TARGET_BIG_ENDIAN but we didn't update the helper.
Do it now mechanically using:
$ sed -i -e s/target_words_bigendian/target_big_endian/g \
$(git grep -wl target_words_bigendian)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250417210025.68322-1-philmd@linaro.org>
Fix a wrong conversion to gen_op_addr_addi(). The framesize should be
added like it was done before.
This bug broke booting OpenWrt MIPS32 BE malta Linux system images
generated by OpenWrt.
Cc: qemu-stable@nongnu.org
Fixes: d0b24b7f50 ("target/mips: Use gen_op_addr_addi() when possible")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250412194003.181411-1-hauke@hauke-m.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
CPUWatchpoint::vaddr/len are of type vaddr.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250415172246.79470-4-philmd@linaro.org>
Instead of having the TYPE_AARCH64_CPU subclass set
CPUClass::gdb_read_register and ::gdb_write_register to different
methods from those of the TYPE_ARM_CPU parent class, have the
TYPE_ARM_CPU methods handle either AArch32 or AArch64 at runtime.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250317142819.900029-6-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Instead of having the TYPE_AARCH64_CPU subclass set
CPUClass:gdb_core_xml_file to a different value from that that
TYPE_ARM_CPU uses, implement the gdb_get_core_xml_file method in the
TYPE_ARM_CPU class to return either the AArch64 or AArch32 XML file
name.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250317142819.900029-5-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Instead of having the TYPE_AARCH64_CPU subclass set
CPUClass::gdb_arch_name to a different function, make the
TYPE_ARM_CPU implementation of the method handle AArch64.
For the moment we make the "is this AArch64?" function test "is the
CPU of TYPE_AARCH64_CPU?", so that this produces no behavioural
change. When we've moved all the gdbstub related methods across to
the base class, we will be able to change this to be "does the CPU
have the ARM_FEATURE_AARCH64 feature?".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250317142819.900029-4-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Currently the CPUClass:gdb_core_xml_file setting is a simple 'const
char *' which the CPU class must set to a fixed string. Allow the
CPU class to instead set a new method gdb_get_core_xml_file() which
returns this string.
This will allow Arm CPUs to use different XML files for AArch32 vs
AArch64 without having to have an extra AArch64-specific class type
purely to give somewhere to set cc->gdb_core_xml_file differently.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250317142819.900029-3-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The documentation for the CPUClass::gdb_arch_name method claims that
the returned string should be freed with g_free(). This is not
correct: in commit a650683871 we changed this method to
instead return a simple constant string, but forgot to update
the documentation.
Make the documentation match the new semantics.
Fixes: a650683871 ("hw/core/cpu: Return static value with gdb_arch_name()")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250317142819.900029-2-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Since commit 62b4a227a3 the default cpu type can come from the
valid_cpu_types[] array. Call the machine_class_default_cpu_type()
instead of accessing MachineClass::default_cpu_type field.
Cc: qemu-stable@nongnu.org
Fixes: 62b4a227a3 ("hw/core: Add machine_class_default_cpu_type()")
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>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250422084114.39499-1-philmd@linaro.org>
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.
Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <8ca13f4e2b9eba9d1f6030b0afb442a24330e463.1745295397.git.ktokunaga.mail@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250424194905.82506-6-philmd@linaro.org>
All callers now correctly expect a const class data.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-5-philmd@linaro.org>
Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-3-philmd@linaro.org>
Prefer DEFINE_TYPES() macro over type_init() to register
QOM types.
Initialize the .interfaces struct field as compound literal
casted to InterfaceInfo type like the rest of our code base.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-2-philmd@linaro.org>
Prefer the safer (less bug-prone) deposit/extract API
to access lower/upper 32-bit of 64-bit registers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-Id: <20250331152041.74533-3-philmd@linaro.org>
Since we removed all definitions of cpu_list, the #ifdef
check is always true. Remove it, inlining cpu_list().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-7-philmd@linaro.org>
Both s390_cpu_list() and s390_set_qemu_cpu_model() are
defined in cpu_models.c, move their declarations in the
related "cpu_models.h" header. Use full path to header
in s390-virtio-ccw.c file.
Register s390_cpu_list() as CPUClass:list_cpus callback
and remove the cpu_list definition.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250324185837.46506-6-philmd@linaro.org>
Register sparc_cpu_list() as CPUClass:list_cpus callback.
Reduce its scope and remove the cpu_list definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-5-philmd@linaro.org>
Register ppc_cpu_list() as CPUClass:list_cpus callback.
Reduce its scope and remove the cpu_list definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-4-philmd@linaro.org>
Register x86_cpu_list() as CPUClass:list_cpus callback.
Reduce its scope and remove the cpu_list definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-3-philmd@linaro.org>
Some targets define cpu_list to a method listing their
CPUs on stdout. In order to make list_cpus() generic,
introduce the CPUClass::list_cpus() callback.
When no callback is registered, list_cpus() defaults
to the cpu_list definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250324185837.46506-2-philmd@linaro.org>
The x86 architecture is only implemented as little-endian.
The MO_TE definition always expands to MO_LE.
Replace:
- MO_TEUQ -> MO_LEUQ
- MO_TE -> MO_LE
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250312142124.15138-1-philmd@linaro.org>
We only build the Hexagon target using little endianness order.
The MO_TE definition always expands to MO_LE. Use the latter to
simplify.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20250312103238.99981-3-philmd@linaro.org>
Extract the implicit MO_TE definition in order to replace
it 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/hexagon); \
done
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20250312103238.99981-2-philmd@linaro.org>
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Merge tag 'pull-loongarch-20250424' of https://github.com/gaosong715/qemu into staging
pull-loongarch-20230424
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# gpg: Signature made Wed 23 Apr 2025 22:47:33 EDT
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [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: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF
* tag 'pull-loongarch-20250424' of https://github.com/gaosong715/qemu:
target/loongarch: Guard BCEQZ/BCNEZ instructions with FP feature
target/loongarch: Add CRC feature flag and use it to gate CRC instructions
linux-user/loongarch64: Decode BRK break codes for FPE signals
target/loongarch: Move definition of TCG specified function to tcg directory
target/loongarch: Add static definition with function loongarch_tlb_search()
target/loongarch: Move function loongarch_tlb_search to directory tcg
target/loongarch: Define function loongarch_get_addr_from_tlb() non-static
target/loongarch: Set function loongarch_map_address() with common code
target/loongarch: Add stub function loongarch_get_addr_from_tlb
target/loongarch: Move function get_dir_base_width to common directory
target/loongarch: Add function loongarch_get_addr_from_tlb
target/loongarch: Move header file helper.h to directory tcg
hw/intc/loongarch_pch_msi: Remove gpio input handler
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
A few functions now end with a label. The next commit will clean them
up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250407082643.2310002-3-armbru@redhat.com>
[Straightforward conflict with commit 988ad4cceb (hw/loongarch/virt:
Fix cpuslot::cpu set at last in virt_cpu_plug()) resolved]
Coccinelle's indentation of virt_create_plic() results in a long line.
Avoid that by mimicking the old indentation manually.
Don't touch tests/tcg/mips/user/. I'm not sure these files are ours
to make style cleanups on. They might be imported third-party code,
which we should leave as is to not complicate future updates.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250407082643.2310002-2-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The BCEQZ and BCNEZ instructions depend on access to condition codes
from floating-point comparisons. Previously, these instructions were
unconditionally enabled for 64-bit targets.
This patch updates their translation to be gated under the `FP` feature
flag instead, ensuring they are only available when the floating-point
unit is present.
This improves correctness for CPUs lacking floating-point support.
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20250418082103.447780-3-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This patch replaces the obsolete IOCSR_BRD bit with CRC in cpucfg1[25],
in both LA464 and LA132 CPU initialization functions. The corresponding
field macro in `cpu.h` is updated to reflect this change.
Additionally, the availability macro `avail_CRC()` is introduced in
`translate.h` to check the CRC feature flag.
All CRC-related instruction translations are updated to be gated by
the new CRC feature flag instead of hardcoded CPU features.
This ensures correctness and configurability when enabling CRC
instructions based on hardware capabilities.
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250418082103.447780-2-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Handle specific LoongArch BRK break codes in user-mode emulation
to deliver accurate floating-point exception signals. Specifically,
BRK_OVERFLOW (6) triggers TARGET_FPE_INTOVF, and BRK_DIVZERO (7)
triggers TARGET_FPE_INTDIV. Other BRK codes fall back to a generic
SIGTRAP.
This improves correctness for programs that rely on BRK to signal
overflow or divide-by-zero conditions.
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Acked-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250414074952.6253-1-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function loongarch_cpu_tlb_fill() only works in TCG mode, move its
definition from header file internals.h to file tcg/tcg_loongarch.h
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-10-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function loongarch_tlb_search() is only referenced in file tcg/tlb_helper.c,
define this function with static attribution.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-9-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function loongarch_tlb_search() and loongarch_map_tlb_entry() works
only in TCG mode, move these functions to directory tcg.
There is no any function change, only code moving.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-8-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Define function loongarch_get_addr_from_tlb() non-static, and add its
definition in header file tcg/tcg_loongarch.h
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-7-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function loongarch_map_address is to get physical address from virtual
address, it is used by qmp commands to dump memory from virtual
address.
It is used by kvm mode also, here move function loongarch_map_address()
out of macro CONFIG_TCG. And it is common code, the similar with
function loongarch_page_table_walker().
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-6-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Stub function loongarch_get_addr_from_tlb() is added if option
CONFIG_TCG is not enabled, so this function can be called in KVM
only mode.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-5-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function get_dir_base_width() is used by loongarch_page_table_walker(),
so it is used by KVM mode also, here move this function from directory
tcg to common directory.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Function loongarch_get_addr_from_tlb() is added to get physical address
from TLB tables. TLB table only works in TCG mode, in future this
function will be moved to TCG directory.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-3-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Header file helper.h is specified for tcg mode, move this file to
directory tcg. And create new file helper.h to include header
file in tcg mode.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
MSI interrupt is triggered by writing message on specified memory address.
In generic it is used by PCI devices, and no device is connected pch MSI
irqchip with GPIO pin line method, here remove gpio input setting for MSI
controller.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Tested-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250410085004.3577627-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Instead of having a compile-time TARGET_SUPPORTS_MTTCG definition,
have each target set the 'mttcg_supported' field in the TCGCPUOps
structure.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250405161320.76854-17-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Expose x86_tcg_ops symbol, then directly set it as
CPUClass::tcg_ops in TYPE_X86_CPU's class_init(),
using CONFIG_TCG #ifdef'ry. No need for the
AccelCPUClass::cpu_class_init() handler anymore.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250405161320.76854-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Expose riscv_tcg_ops symbol, then directly set it as
CPUClass::tcg_ops in TYPE_RISCV_CPU's class_init(),
using CONFIG_TCG #ifdef'ry. No need for the
AccelCPUClass::cpu_class_init() handler anymore.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250405161320.76854-2-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Delay the warning to tcg_init_machine, because we will
have resolved the CPUClass at that point.
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>
