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| author | Xiaojuan Yang | 2022-06-06 14:43:08 +0200 |
|---|---|---|
| committer | Richard Henderson | 2022-06-06 20:09:03 +0200 |
| commit | d88b51dc26c0e29d012f52d0215ebef29329ca87 (patch) | |
| tree | 58df1eb4984e387fbde8e54868481898b86b7d60 /docs | |
| parent | target/loongarch: Add target build suport (diff) | |
| download | qemu-d88b51dc26c0e29d012f52d0215ebef29329ca87.tar.gz qemu-d88b51dc26c0e29d012f52d0215ebef29329ca87.tar.xz qemu-d88b51dc26c0e29d012f52d0215ebef29329ca87.zip | |
target/loongarch: Add system emulation introduction
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-19-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/system/loongarch/loongson3.rst | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/docs/system/loongarch/loongson3.rst b/docs/system/loongarch/loongson3.rst new file mode 100644 index 0000000000..fa3acd01c0 --- /dev/null +++ b/docs/system/loongarch/loongson3.rst @@ -0,0 +1,41 @@ +:orphan: + +========================================== +loongson3 virt generic platform (``virt``) +========================================== + +The ``virt`` machine use gpex host bridge, and there are some +emulated devices on virt board, such as loongson7a RTC device, +IOAPIC device, ACPI device and so on. + +Supported devices +----------------- + +The ``virt`` machine supports: +- Gpex host bridge +- Ls7a RTC device +- Ls7a IOAPIC device +- Ls7a ACPI device +- Fw_cfg device +- PCI/PCIe devices +- Memory device +- CPU device. Type: Loongson-3A5000. + +CPU and machine Type +-------------------- + +The ``qemu-system-loongarch64`` provides emulation for virt +machine. You can specify the machine type ``virt`` and +cpu type ``Loongson-3A5000``. + +Boot options +------------ + +Now the ``virt`` machine can run test program in ELF format and the +method of compiling is in target/loongarch/README. + +.. code-block:: bash + + $ qemu-system-loongarch64 -machine virt -m 4G -cpu Loongson-3A5000 \ + -smp 1 -kernel hello -monitor none -display none \ + -chardev file,path=hello.out,id=output -serial chardev:output |