qemu/loongarch at master - qemu

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History

Richard Henderson 09d16ef11c loongarch queue -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQNhkKjomWfgLCz0aQfewwSUazn0QUCaLEK3AAKCRAfewwSUazn 0ZbOAQD5zRl292WYzl6qCWe+MIx+7T3rqiq8E/MkAUPhPSF2gAD8DYCQr1u+7le6 pwzGx5iHygCzeTjgV4KuciGGqa8y8AA= =OX6j -----END PGP SIGNATURE----- Merge tag 'pull-loongarch-20250829' of https://github.com/bibo-mao/qemu into staging loongarch queue # -----BEGIN PGP SIGNATURE----- # # iHUEABYKAB0WIQQNhkKjomWfgLCz0aQfewwSUazn0QUCaLEK3AAKCRAfewwSUazn # 0ZbOAQD5zRl292WYzl6qCWe+MIx+7T3rqiq8E/MkAUPhPSF2gAD8DYCQr1u+7le6 # pwzGx5iHygCzeTjgV4KuciGGqa8y8AA= # =OX6j # -----END PGP SIGNATURE----- # gpg: Signature made Fri 29 Aug 2025 12:05:16 PM AEST # gpg: using EDDSA key 0D8642A3A2659F80B0B3D1A41F7B0C1251ACE7D1 # gpg: Good signature from "bibo mao <maobibo@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: 7044 3A00 19C0 E97A 31C7 13C4 8E86 8FB7 A176 9D4C # Subkey fingerprint: 0D86 42A3 A265 9F80 B0B3 D1A4 1F7B 0C12 51AC E7D1 * tag 'pull-loongarch-20250829' of https://github.com/bibo-mao/qemu: target/loongarch: Use correct address when flush tlb target/loongarch: Use MMUContext in get_physical_address() target/loongarch: Use MMUContext in loongarch_map_address() target/loongarch: Use MMUContext in loongarch_get_addr_from_tlb target/loongarch: Use MMUConext in loongarch_map_tlb_entry() target/loongarch: Use loongarch_check_pte in loongarch_page_table_walker target/loongarch: Add common function loongarch_check_pte() target/loongarch: Use MMUAccessType in loongarch_map_tlb_entry() target/loongarch: Use vaddr in get_physical_address() target/loongarch: Add enum type TLBRet definition target/loongarch: Add header file cpu-mmu.h target/loongarch: Set page size in TLB entry with STLB target/loongarch: Define function loongarch_cpu_post_init as static target/loongarch: Move some function definition to kvm directory Signed-off-by: Richard Henderson <richard.henderson@linaro.org>		2 weeks ago
..
kvm	target/loongarch: Move some function definition to kvm directory	3 weeks ago
tcg	loongarch queue	2 weeks ago
Kconfig	hw/loongarch: Add support loongson3 virt machine type.	3 years ago
README	treewide: fix paths for relocated files in comments	3 months ago
arch_dump.c	include: Rename sysemu/ -> system/	9 months ago
cpu-csr.h	target/loongarch: Fix tlb huge page loading issue	2 years ago
cpu-mmu.h	target/loongarch: Use MMUContext in get_physical_address()	3 weeks ago
cpu-param.h	tcg: Remove the TCG_GUEST_DEFAULT_MO definition globally	5 months ago
cpu-qom.h	target: Move ArchCPUClass definition to 'cpu.h'	2 years ago
cpu.c	loongarch queue	2 weeks ago
cpu.h	target/loongarch: Define function loongarch_cpu_post_init as static	3 weeks ago
cpu_helper.c	target/loongarch: Use MMUContext in get_physical_address()	3 weeks ago
csr.c	target/loongarch: Dump all generic CSR registers	8 months ago
csr.h	target/loongarch: Dump all generic CSR registers	8 months ago
disas.c	target/loongarch: honour show_opcodes when disassembling	2 years ago
gdbstub.c	target/loongarch/gdbstub: Fix gdbstub incorrectly handling some registers	7 months ago
helper.h	target/loongarch: Move header file helper.h to directory tcg	5 months ago
insns.decode	target/loongarch: Add preldx instruction	2 years ago
internals.h	target/loongarch: Add header file cpu-mmu.h	3 weeks ago
loongarch-qmp-cmds.c	target/qmp: Use target_cpu_type()	2 months ago
machine.c	include: Rename sysemu/ -> system/	9 months ago
meson.build	target/loongarch: Add common source file for CSR register	8 months ago
trace-events	target/loongarch: Implement set vcpu intr for kvm	2 years ago
trace.h	target/loongarch: Implement kvm get/set registers	2 years ago
translate.h	target/loongarch: Guard 64-bit-only insn translation with TRANS64 macro	3 weeks ago
vec.h	target/loongarch: Move simply DO_XX marcos togther	2 years ago

README

- Introduction

LoongArch is the general processor architecture of Loongson.

The following versions of the LoongArch core are supported
core: 3A5000
https://github.com/loongson/LoongArch-Documentation/releases/download/2021.08.17/LoongArch-Vol1-v1.00-EN.pdf

We can get the latest loongarch documents at https://github.com/loongson/LoongArch-Documentation/tags.

- System emulation

You can reference docs/system/loongarch/virt.rst to get the information about system emulation of LoongArch.

- Linux-user emulation

We already support Linux user emulation. We can use LoongArch cross-tools to build LoongArch executables on X86 machines,
and We can also use qemu-loongarch64 to run LoongArch executables.

1. Config cross-tools env.

see System emulation.

2. Test tests/tcg/multiarch.

./configure --static --prefix=/usr --disable-werror --target-list="loongarch64-linux-user" --enable-debug

cd build

make && make check-tcg

3. Run LoongArch system basic command with loongarch-clfs-system.

- Config clfs env.

wget https://github.com/loongson/build-tools/releases/download/2022.05.29/loongarch64-clfs-system-5.0.tar.bz2

tar -vxf loongarch64-clfs-system-5.0.tar.bz2 -C /opt/clfs

cp /opt/clfs/lib64/ld-linux-loongarch-lp64d.so.1 /lib64

export LD_LIBRARY_PATH="/opt/clfs/lib64"

- Run LoongArch system basic command.

./qemu-loongarch64 /opt/clfs/usr/bin/bash
./qemu-loongarch64 /opt/clfs/usr/bin/ls
./qemu-loongarch64 /opt/clfs/usr/bin/pwd

- Note.
We can get the latest LoongArch documents or LoongArch tools at https://github.com/loongson/