There is a defined RETRY_ON_EINTR() macro in qemu/osdep.h
which handles the same while loop.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/415
Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-3-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[thuth: Dropped the hunk that changed socket_accept() in libqtest.c]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Rename macro name to more transparent one and refactor
it to expression.
Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-2-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The file seems to contain perfectly valid rst syntax already, so
rename it to .rst and wire it up in the index.
Message-Id: <20221213101806.46640-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The HPET setting has been turned into a machine property a while ago
already, so we should finally do the next step and deprecate the
legacy CLI option, too.
Message-Id: <20221229114913.260400-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We are going to deprecate (and finally remove later) the -no-hpet command
line option. Prepare the bios-tables-test by using the replacement hpet=off
machine parameter instead.
Message-Id: <20230109081205.116369-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
In user emulation, threads -- implemented as CPU -- are
created/destroyed, but never reset. There is no point in
allowing the user emulation access the sysemu/reset API.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221220145625.26392-5-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-6-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-5-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Protected Virtualization is irrelevant in user emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-4-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Instead of having hardware device poking into memory
internal API, expose memory_region_access_valid().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-2-philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
docs/system/target-mips.rst and configs/targets/mips* are not covered
in our MAINTAINERS file yet, so let's add them now.
Message-Id: <20221212171252.194864-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
On non-x86_64 host, if KVM is not available we get:
Traceback (most recent call last):
File "tests/vm/basevm.py", line 634, in main
vm = vmcls(args, config=config)
File "tests/vm/basevm.py", line 104, in __init__
mem = max(4, args.jobs)
TypeError: '>' not supported between instances of 'NoneType' and 'int'
Fix by always returning a -- not ideal but safe -- '1' value.
Fixes: b09539444a ("tests/vm: allow us to take advantage of MTTCG")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221209164743.70836-1-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Without a kernel or boot disk a QEMU on s390 will exit (usually with a
disabled wait state). This breaks the stream-under-throttle test case.
Do not exit qemu if on s390.
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-Id: <20221207131452.8455-1-borntraeger@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
- drop support for pre-z196 cpus (eol before 2017)
- add support for misc-instruction-extensions-3
- misc cleanups
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Merge tag 'pull-tcg-20230106' of https://gitlab.com/rth7680/qemu into staging
tcg/s390x improvements:
- drop support for pre-z196 cpus (eol before 2017)
- add support for misc-instruction-extensions-3
- misc cleanups
# gpg: Signature made Sat 07 Jan 2023 07:47:59 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-20230106' of https://gitlab.com/rth7680/qemu: (27 commits)
tcg/s390x: Avoid the constant pool in tcg_out_movi
tcg/s390x: Cleanup tcg_out_movi
tcg/s390x: Tighten constraints for 64-bit compare
tcg/s390x: Implement ctpop operation
tcg/s390x: Use tgen_movcond_int in tgen_clz
tcg/s390x: Support SELGR instruction in movcond
tcg/s390x: Generalize movcond implementation
tcg/s390x: Create tgen_cmp2 to simplify movcond
tcg/s390x: Support MIE3 logical operations
tcg/s390x: Tighten constraints for and_i64
tcg/s390x: Tighten constraints for or_i64 and xor_i64
tcg/s390x: Issue XILF directly for xor_i32
tcg/s390x: Support MIE2 MGRK instruction
tcg/s390x: Support MIE2 multiply single instructions
tcg/s390x: Distinguish RIE formats
tcg/s390x: Distinguish RRF-a and RRF-c formats
tcg/s390x: Use LARL+AGHI for odd addresses
tcg/s390x: Remove DISTINCT_OPERANDS facility check
tcg/s390x: Remove FAST_BCR_SER facility check
tcg/s390x: Check for load-on-condition facility at startup
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge tag 'pull-loongarch-20230106' of https://gitlab.com/gaosong/qemu into staging
pull-loongarch-20230106
# gpg: Signature made Fri 06 Jan 2023 06:21:22 GMT
# 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-20230106' of https://gitlab.com/gaosong/qemu:
hw/intc/loongarch_pch: Change default irq number of pch irq controller
hw/intc/loongarch_pch_pic: add irq number property
hw/intc/loongarch_pch_msi: add irq number property
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Load constants in no more than two insns, which turns
out to be faster than using the constant pool.
Suggested-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Merge maybe_out_small_movi, as it no longer has additional users.
Use is_const_p{16,32}.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Give 64-bit comparison second operand a signed 33-bit immediate.
This is the smallest superset of uint32_t and int32_t, as used
by CLGFI and CGFI respectively. The rest of the 33-bit space
can be loaded into TCG_TMP0. Drop use of the constant pool.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is an older form that produces per-byte results,
and a newer form that produces per-register results.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reuse code from movcond to conditionally copy a2 to dest,
based on the condition codes produced by FLOGR.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The new select instruction provides two separate register inputs,
whereas the old load-on-condition instruction overlaps one of the
register inputs with the destination.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Generalize movcond to support pre-computed conditions, and the same
set of arguments at all times. This will be assumed by a following
patch, which needs to reuse tgen_movcond_int.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Return both regular and inverted condition codes from tgen_cmp2.
This lets us choose after the fact which comparision we want.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is andc, orc, nand, nor, eqv.
We can use nor for implementing not.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Let the register allocator handle such immediates by matching
only what one insn can achieve.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Drop support for sequential OR and XOR, as the serial dependency is
slower than loading the constant first. Let the register allocator
handle such immediates by matching only what one insn can achieve.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is only one instruction that is applicable
to a 32-bit immediate xor.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The MIE2 facility adds a 3-operand signed 64x64->128 multiply.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There are multiple variations, with different fields.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
One has 3 register arguments; the other has 2 plus an m3 field.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add one instead of dropping odd addresses to the constant pool.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The distinct-operands facility is bundled into facility 45,
along with load-on-condition. We are checking this at startup.
Remove the a0 == a1 checks for 64-bit sub, and, or, xor, as there
is no space savings for avoiding the distinct-operands insn.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The fast-bcr-serialization facility is bundled into facility 45,
along with load-on-condition. We are checking this at startup.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The general-instruction-extension facility was introduced in z196,
which itself was end-of-life in 2021. In addition, z196 is the
minimum CPU supported by our set of supported operating systems:
RHEL 7 (z196), SLES 12 (z196) and Ubuntu 16.04 (zEC12).
Check for facility number 45, which will be the consilidated check
for several facilities.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The general-instruction-extension facility was introduced in z10,
which itself was end-of-life in 2019.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The extended-immediate facility was introduced in z9-109,
which itself was end-of-life in 2017.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We are already assuming the existance of long-displacement, but were
not being explicit about it. This has been present since z990.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The size of a compiled TB is limited by the uint16_t used by
gen_insn_end_off[] -- there is no need for a 32-bit branch.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Since USE_REG_TB is removed, there is no need to load the
target TB address into a register.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This reverts 829e1376d9 ("tcg/s390: Introduce TCG_REG_TB"), and
several follow-up patches. The primary motivation is to reduce the
less-tested code paths, pre-z10. Secondarily, this allows the
unconditional use of TCG_TARGET_HAS_direct_jump, which might be more
important for performance than any slight increase in code size.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v4: Do not simplify tgen_ori, tgen_xori.
* Fix PMP propagation for tlb
* Collection of bug fixes
* Bump the OpenTitan supported version
* Add smstateen support
* Support native debug icount trigger
* Remove the redundant ipi-id property in the virt machine
* Support cache-related PMU events in virtual mode
* Add some missing PolarFire SoC io regions
* Fix mret exception cause when no pmp rule is configured
* Fix bug where disabling compressed instructions would crash QEMU
* Add Zawrs ISA extension support
* A range of code refactoring and cleanups
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Merge tag 'pull-riscv-to-apply-20230106' of https://github.com/alistair23/qemu into staging
First RISC-V PR for QEMU 8.0
* Fix PMP propagation for tlb
* Collection of bug fixes
* Bump the OpenTitan supported version
* Add smstateen support
* Support native debug icount trigger
* Remove the redundant ipi-id property in the virt machine
* Support cache-related PMU events in virtual mode
* Add some missing PolarFire SoC io regions
* Fix mret exception cause when no pmp rule is configured
* Fix bug where disabling compressed instructions would crash QEMU
* Add Zawrs ISA extension support
* A range of code refactoring and cleanups
# gpg: Signature made Fri 06 Jan 2023 00:47:23 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* tag 'pull-riscv-to-apply-20230106' of https://github.com/alistair23/qemu: (43 commits)
hw/intc: sifive_plic: Fix the pending register range check
hw/riscv: opentitan: Drop "hartid-base" and "priority-base" initialization
hw/intc: sifive_plic: Change "priority-base" to start from interrupt source 0
hw/riscv: virt: Fix the value of "riscv, ndev" in the dtb
hw/riscv: sifive_u: Avoid using magic number for "riscv, ndev"
hw/riscv: sifive_e: Fix the number of interrupt sources of PLIC
hw/riscv: microchip_pfsoc: Fix the number of interrupt sources of PLIC
hw/intc: sifive_plic: Update "num-sources" property default value
hw/intc: sifive_plic: Use error_setg() to propagate the error up via errp in sifive_plic_realize()
hw/intc: sifive_plic: Improve robustness of the PLIC config parser
hw/intc: sifive_plic: Drop PLICMode_H
hw/riscv: spike: Remove misleading comments
hw/riscv: Sort machines Kconfig options in alphabetical order
hw/riscv: Fix opentitan dependency to SIFIVE_PLIC
hw/intc: Select MSI_NONBROKEN in RISC-V AIA interrupt controllers
hw/riscv: Select MSI_NONBROKEN in SIFIVE_PLIC
RISC-V: Add Zawrs ISA extension support
target/riscv: Clear mstatus.MPRV when leaving M-mode for priv spec 1.12+
target/riscv: Simplify helper_sret() a little bit
target/riscv: Set pc_succ_insn for !rvc illegal insn
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add tcg backend paired register allocation.
Cleanup tcg backend function call abi.
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Merge tag 'pull-tcg-20230105' of https://gitlab.com/rth7680/qemu into staging
Fix race conditions in new user-only vma tracking.
Add tcg backend paired register allocation.
Cleanup tcg backend function call abi.
# gpg: Signature made Fri 06 Jan 2023 03:12:17 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-20230105' of https://gitlab.com/rth7680/qemu: (47 commits)
tests/tcg/multiarch: add vma-pthread.c
accel/tcg: Handle false negative lookup in page_check_range
accel/tcg: Use g_free_rcu for user-exec interval trees
accel/tcg: Fix tb_invalidate_phys_page_unwind
tcg: Add TCGHelperInfo argument to tcg_out_call
tcg/aarch64: Merge tcg_out_callr into tcg_out_call
tcg: Move ffi_cif pointer into TCGHelperInfo
tcg: Factor init_ffi_layouts() out of tcg_context_init()
tcg: Convert typecode_to_ffi from array to function
tcg: Reorg function calls
tcg: Use output_pref wrapper function
tcg: Vary the allocation size for TCGOp
tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*()
accel/tcg/plugin: Use copy_op in append_{udata,mem}_cb
accel/tcg/plugin: Avoid duplicate copy in copy_call
accel/tcg/plugin: Don't search for the function pointer index
tcg: Use TCG_CALL_ARG_EVEN for TCI special case
tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32
tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64
tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge tag 'pull-hex-20230105' of https://github.com/quic/qemu into staging
Hexagon update: patches from several folks
# gpg: Signature made Thu 05 Jan 2023 17:35:27 GMT
# gpg: using RSA key 3635C788CE62B91FD4C59AB47B0244FB12DE4422
# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.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: 3635 C788 CE62 B91F D4C5 9AB4 7B02 44FB 12DE 4422
* tag 'pull-hex-20230105' of https://github.com/quic/qemu:
Update scripts/meson-buildoptions.sh
Hexagon (target/hexagon) implement mutability mask for GPRs
target/hexagon: suppress unused variable warning
target/hexagon/idef-parser: fix two typos in README
tests/tcg/hexagon: fix underspecifed asm constraints
target/hexagon: rename aliased register HEX_REG_P3_0
linux-user/hexagon: fix signal context save & restore
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Change the default irq number of pch pic to 32, so that the irq
number of pch msi is 224(256 - 32), and move the 'PCH_PIC_IRQ_NUM'
macro to pci-host/ls7a.h and add prefix 'VIRT' on it to keep standard
format.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230104020518.2564263-4-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
With loongarch 7A1000 manual, irq number supported can be set
in PCH_PIC_INT_ID_HI register. This patch adds irq number property
for loongarch_pch_pic, so that virt machine can set different
irq number when pch_pic intc is added.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230104020518.2564263-3-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This patch adds irq number property for loongarch msi interrupt
controller, and remove hard coding irq number macro.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230104020518.2564263-2-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
The pending register upper limit is currently set to
plic->num_sources >> 3, which is wrong, e.g.: considering
plic->num_sources is 7, the upper limit becomes 0 which fails
the range check if reading the pending register at pending_base.
Fixes: 1e24429e40 ("SiFive RISC-V PLIC Block")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-16-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
