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From: SignKirigami <prcups@krgm.moe>
To: qemu-devel@nongnu.org
Cc: Bibo Mao <maobibo@loongson.cn>,
	xianglai li <lixianglai@loongson.cn>,
	SignKirigami <prcups@krgm.moe>,
	Hengyu Yu <yuhengyu25@mails.ucas.ac.cn>
Subject: [PATCH v2 0/4] target/loongarch: add LVZ support for TCG
Date: Tue, 23 Jun 2026 14:16:11 +0800	[thread overview]
Message-ID: <cover.1782194683.git.prcups@krgm.moe> (raw)

This patch implements Loongson VirtualiZation (LVZ) extension support for LoongArch's TCG target. With this patch, it is now possible to start a nested KVM-accelerated virtual machine on a TCG-emulated virtual machine.

Signed-off-by: SignKirigami <prcups@krgm.moe>
Signed-off-by: Hengyu Yu <yuhengyu25@mails.ucas.ac.cn>

SignKirigami (4):
  target/loongarch: Add LVZ feature definitions and CPU structures
  target/loongarch: Add guest CSR table and VM-level CSR infrastructure
  target/loongarch: Add LVZ MMU, TCG infrastructure and guest support
  target/loongarch: Add LVZ instruction decode, translation and
    disassembly

 target/loongarch/arch_dump.c                  |   6 +-
 target/loongarch/cpu-csr.h                    |  42 ++
 target/loongarch/cpu-mmu.h                    |  39 +-
 target/loongarch/cpu.c                        | 279 ++++++---
 target/loongarch/cpu.h                        |  62 +-
 target/loongarch/cpu_helper.c                 |  87 ++-
 target/loongarch/csr.c                        | 124 +++-
 target/loongarch/csr.h                        |  12 +-
 target/loongarch/disas.c                      |  16 +
 target/loongarch/insns.decode                 |  14 +
 target/loongarch/internals.h                  |   8 +-
 target/loongarch/machine.c                    | 125 +++-
 target/loongarch/tcg/constant_timer.c         |  74 ++-
 target/loongarch/tcg/csr_helper.c             | 136 ++++-
 target/loongarch/tcg/helper.h                 |  30 +-
 .../tcg/insn_trans/trans_extra.c.inc          |   2 +-
 .../tcg/insn_trans/trans_privileged.c.inc     | 353 ++++++++++-
 target/loongarch/tcg/op_helper.c              |  45 +-
 target/loongarch/tcg/tcg_cpu.c                |  65 +-
 target/loongarch/tcg/tcg_loongarch.h          |   3 +-
 target/loongarch/tcg/tlb_helper.c             | 577 +++++++++++++-----
 target/loongarch/tcg/translate.c              |   6 +-
 target/loongarch/translate.h                  |   2 +
 23 files changed, 1747 insertions(+), 360 deletions(-)

-- 
2.52.0



             reply	other threads:[~2026-06-23  6:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-23  6:16 SignKirigami [this message]
2026-06-23  6:16 ` [PATCH v2 1/4] target/loongarch: Add LVZ feature definitions and CPU structures SignKirigami
2026-06-23  6:16 ` [PATCH v2 2/4] target/loongarch: Add guest CSR table and VM-level CSR infrastructure SignKirigami
2026-06-23  6:16 ` [PATCH v2 3/4] target/loongarch: Add LVZ MMU, TCG infrastructure and guest support SignKirigami
2026-06-23  6:16 ` [PATCH v2 4/4] target/loongarch: Add LVZ instruction decode, translation and disassembly SignKirigami

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