Merge tag 'pull-loongarch-20250928' of https://github.com/gaosong715/qemu into staging

pull-loongarch-20250928

v2: fix build win64 errors.

# -----BEGIN PGP SIGNATURE-----
#
# iLMEAAEIAB0WIQTKRzxE1qCcGJoZP81FK5aFKyaCFgUCaNkDHQAKCRBFK5aFKyaC
# Fn06A/0SQKLVcktq2lX+aRurdGw/LKt/1mtSFJes6s5VVCrNuFFzmkXzjs/m0CcX
# scgDF67Z+PhJpLtNLRV8FiJ+z3bOH/j+yRHqj1xnvvITb+i5bUYbt+A81wrzX6Bi
# J/Ayqu49oQj33hX3lqTcTBmwYDBc2v7nu0PfvFqOUi9bTvYgfA==
# =C4NB
# -----END PGP SIGNATURE-----
# gpg: Signature made Sun 28 Sep 2025 02:42:53 AM PDT
# 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-20250928' of https://github.com/gaosong715/qemu:
  hw/loongarch: Implement DINTC plug/unplug interfaces
  target/loongarch:Implement csrrd CSR_MSGIR register
  target/loongarch: Add CSR_ESTAT.bit15 and CSR_ECFG.bit15 for msg interrupts.
  hw/loongarch: Implement dintc set irq
  hw/loongarch: Implement dintc realize and unrealize
  hw/loongarch: DINTC add a MemoryRegion
  target/loongarch: add msg interrupt CSR registers
  loongarch: add a direct interrupt controller device
  hw/loongarch: add misc register support dmsi
  hw/loongarch: add virt feature dmsi support
  target/loongarch: move some machine define to virt.h

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