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Rebase main onto QEMU master - #10

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jiegec and others added 6 commits February 10, 2026 10:48
Add the following new instructions in LoongArch v1.1:

- frecipe.s
- frecipe.d
- frsqrte.s
- frsqrte.d
- vfrecipe.s
- vfrecipe.d
- vfrsqrte.s
- vfrsqrte.d
- xvfrecipe.s
- xvfrecipe.d
- xvfrsqrte.s
- xvfrsqrte.d

They are guarded by CPUCFG2.FRECIPE. Altought the instructions allow
implementation to improve performance by reducing precision, we use the
existing softfloat implementation.

Signed-off-by: Jiajie Chen <c@jia.je>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add the following instructions in LoongArch v1.1:

- llacq.w
- screl.w
- llacq.d
- screl.d

They are guarded by CPUCFG2.LLACQ_SCREL.

Signed-off-by: Jiajie Chen <c@jia.je>
Co-developed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add the sc.q instruction in LoongArch v1.1, guarded by CPUCFG2.SCQ. It
is implemented by reading 128bit data (llval + llval_high) in ll.d when
aligned to 16B boundary, and cmpxchg 128bit in sc.q. If ld.d
matches the higher part of the 128bit, its data is taken from
llval_high.

Expected assembly sequence:

ll.d lo, base, 0
ld.d hi, base, 8
sc.q lo, hi, base

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add LA v1.1 new instructinos to max cpu by enabling new features in
CPUCFG2.

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
…into staging

Various patches related to single binary effort:

- Reduce RISC-V Boston tests
- Prohibit target_ulong / TARGET_PAGE_SIZE uses on s390x target
- Build target/arm/arm-qmp-cmds once
- Forbid legacy native endianness & ld/st_phys APIs on SPARC targets
- Forbid legacy ld/st_phys APIs on x86 targets
- Rename OpenRISC -> or1k
- Avoid QAPI parsing in target_arch()

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# 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 'single-binary-20260206' of https://github.com/philmd/qemu: (30 commits)
  target-info: Statically initialize target_arch
  meson: Add TARGET_ARCH to config_target_data
  qapi: Add hexagon to SysEmuTarget
  hw/or1k: Rename or1k-sim.c from openrisc_sim.c
  docs/system/or1k: Rename from openrisc
  tests/tcg/or1k: Rename from openrisc
  hw/or1k: Rename from openrisc
  include/hw/or1k: Rename from openrisc
  target/or1k: Rename from openrisc
  configs/targets: Restrict the legacy ldst_phys() API on x86 targets
  hw/intc/ioapic: Replace legacy st_phys() -> address_space_st()
  hw/intc: Mark x86-specific [IO]APIC peripherals as little-endian
  target/i386: Use explicit little-endian LD/ST API
  configs/targets: Restrict legacy ldst_phys() API on 32-bit SPARC target
  target/sparc: Replace legacy st_phys() -> address_space_st()
  configs/targets: Forbid SPARC to use legacy native endianness APIs
  target/sparc: Replace MO_TE -> MO_BE
  target/sparc: Remove dubious swapping in LD_code() helper
  target/arm/arm-qmp-cmds.c: make compilation unit common
  target/s390x: Expand tcg_global_mem_new() -> tcg_global_mem_new_i64()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
…qemu into staging

pull-loongarch-2026-02-10

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# gpg: Signature made Tue Feb 10 02:49:28 2026 GMT
# gpg:                using RSA key CA473C44D6A09C189A193FCD452B96852B268216
# gpg: Good signature from "Song Gao <gaosong@loongson.cn>" [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: CA47 3C44 D6A0 9C18 9A19  3FCD 452B 9685 2B26 8216

* tag 'pull-loongarch-20260210' of https://github.com/gaosong715/qemu:
  target/loongarch: Add LA v1.1 instructions to max cpu
  target/loongarch: Add sc.q instructions
  target/loongarch: Add llacq/screl instructions
  target/loongarch: Add estimated reciprocal instructions
  target/loongarch: Add amcas[_db].{b/h/w/d}
  target/loongarch: Add am{swap/add}[_db].{b/h}
  target/loongarch: Require atomics to be aligned

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
@lacraig2
lacraig2 force-pushed the main branch 2 times, most recently from fa5d3c1 to 57d6a84 Compare February 11, 2026 15:28
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