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Add RVVM
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宋文武
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@ -176,6 +176,7 @@ See below for a summary of the licenses behind RetroArch and its cores:
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| [REminiscence](../library/reminiscence.md) | GPLv3 | |
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| RemoteJoy | [GPLv2](https://github.com/libretro/libretro-remotejoy/blob/master/LICENSE) | |
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| Remote RetroPad | [MIT](https://github.com/libretro/libretro-samples/blob/master/license) | |
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| [RVVM](../library/rvvm.md) | [GPLv3](https://github.com/LekKit/RVVM/blob/staging/LICENSE-GPL), [MPLv2.0](https://github.com/LekKit/RVVM/blob/staging/LICENSE-MPL) | |
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| [SameBoy](../library/sameboy.md) | [MIT](https://github.com/libretro/SameBoy/blob/master/LICENSE) | |
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| [SameDuck](../library/sameduck.md) | [MIT](https://github.com/libretro/) | |
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| [SAME_CDI](../library/same_cdi.md) | [GPLv2](https://github.com/libretro/same_cdi/blob/master/COPYING) | |
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112
docs/library/rvvm.md
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112
docs/library/rvvm.md
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# RVVM
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## Background
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RVVM is a RISC-V CPU & System software implementation written in С, it features
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- Passes RISC-V compliance/torture tests for both RV64 & RV32
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- OpenSBI, U-Boot, custom firmwares boot and execute properly
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- Working Linux, FreeBSD, OpenBSD, Haiku OS & other cool OSes
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- Tracing JIT, multicore support
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- Framebuffer display, mouse & keyboard, UART shell
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- NVMe storage drives
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- Networking
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The RVVM core has been authored by
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- [LekKit](https://github.com/LekKit)
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The RVVM core is licensed under
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- [GPLv3](https://github.com/LekKit/RVVM/blob/staging/LICENSE-GPL)
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- [MPLv2.0](https://github.com/LekKit/RVVM/blob/staging/LICENSE-MPL)
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A summary of the licenses behind RetroArch and its cores can be found [here](../development/licenses.md).
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## Extensions
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Content that can be loaded by the RVVM core have the following file extensions:
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- .rvvm
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See the [Usage section](#usage) for an explanation regarding its format.
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## Features
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Frontend-level settings or features that the RVVM core respects.
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| Feature | Supported |
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|-------------------|:---------:|
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| Restart | - |
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| Saves | ✕ |
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| States | ✕ |
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| Rewind | ✕ |
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| Netplay | ✕ |
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| Core Options | ✕ |
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| RetroAchievements | ✕ |
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| RetroArch Cheats | ✕ |
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| Native Cheats | ✕ |
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| Controls | ✔ |
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| Remapping | - |
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| Multi-Mouse | - |
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| Rumble | ✕ |
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| Sensors | ✕ |
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| Camera | ✕ |
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| Location | ✕ |
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| Subsystem | ✕ |
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| [Softpatching](../guides/softpatching.md) | ✕ |
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| Disk Control | ✕ |
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| Username | ✕ |
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| Language | ✕ |
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| Crop Overscan | ✕ |
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| LEDs | ✕ |
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## Geometry and timing
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- The RVVM core's core provided FPS is 60.
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- The RVVM core's core provided sample rate is 44100.
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- The RVVM core's base width is 640.
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- The RVVM core's base height is 480.
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- The RVVM core's max width is 640.
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- The RVVM core's max height is 480.
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- The RVVM core's core provided aspect ratio is 4/3.
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## Usage
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The RVVM core reads its machine options from a plaintext `.rvvm` file, each line should be a supported option, for example a `linux.rvvm` file:
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```
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rv64
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bootrom=opensbi.img
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kernel=linux.img
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nvme=disk1.img
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nvme=disk2.img
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```
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Will run Linux on a 64-bit RISC-V machine, firmware image files will be loaded from the same directory of the rvvm file.
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And following options are supported:
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- `rv64`: Enable 64-bit RISC-V, which is the default.
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- `rv32`: Enable 32-bit RISC-V.
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- `mem=N`: Set memory to N MiB, N is an integer like `512`, default to `256`.
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- `smp=N`: Set amount of CPU cores to N, default to `1`.
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- `bootrom=FILE`: Load M-mode firmware (eg: OpenSBI) from FILE.
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- `kernel=FILE`: Load S-mode kernel (eg: Linux, U-Boot, etc.) from FILE.
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- `nvme=FILE`: Attach NVMe storage image (RAW format) from FILE, can be repeated at most 4 times (the first one will be /dev/nvme0, the last one will be /dev/nvme3).
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- `cmdline=ARGS`: Set kernel command line to ARGS, default to `root=/dev/nvme0n1 rootflags=discard rw console=tty0`.
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## Device types
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The RVVM core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):
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- Keyboard
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- Mouse
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## External Links
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- [RVVM Repository](https://github.com/LekKit/RVVM)
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- [RVVM Issues Here](https://github.com/LekKit/RVVM/issues)
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@ -165,6 +165,7 @@
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| REminiscence | Game engine | A port of the REminiscence engine, a reimplementation of the engine used by Delphine Software's Flashback |
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| Retro8 | Game engine | A port of the Retro8 open-source reimplementation of the PICO-8 fantasy console to libretro |
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| Rustation | Sony PlayStation | |
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| RVVM | RISC-V Virtual Machine | |
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| SameBoy | Game Boy/Color | |
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| SameDuck | Mega Duck (Cougar Boy) | An adaptation of SameBoy to play Mega Duck games |
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| SAME CDI | Philips CDi | SAME CDi is a S(ingle) A(rcade) M(achine) E(mulator) for libretro, forked from MAME, which only includes the Philips CD-i driver |
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@ -198,6 +198,8 @@ nav:
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- 'NEC - PC-FX (Beetle PC-FX)': 'library/beetle_pc_fx.md'
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- 'Phillips Emulation':
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- 'Magnavox - Odyssey2 / Phillips Videopac+ (O2EM)': 'library/o2em.md'
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- 'RISC-V Emulation':
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- 'RVVM - RISC-V Virtual Machine': 'library/rvvm.md'
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- 'SNK Emulation':
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- 'SNK - Neo Geo Pocket / Color (Beetle NeoPop)': 'library/beetle_neopop.md'
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- 'SNK - Neo Geo Pocket / Color (RACE)': 'library/race.md'
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