riscv-asm-manual
picocli
riscv-asm-manual | picocli | |
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8 | 29 | |
1,356 | 4,720 | |
1.3% | - | |
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5 days ago | 1 day ago | |
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riscv-asm-manual
- RISC-V Assembler: Arithmetic
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RISC-V assembler input file format
This document has most of the explanations about the input format: https://github.com/riscv-non-isa/riscv-asm-manual/blob/master/riscv-asm.md. There are some small missing bits but all the directives like .text are there.
- If you were to start your coding journey from zero, what would be your plan?
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Question about RISC-V development
The is a C and C++ toolchain available https://github.com/riscv-collab/riscv-gnu-toolchain If you feeling brave, https://github.com/riscv-non-isa/riscv-asm-manual/blob/master/riscv-asm.md
- Is there any documentation relates to the riscv-gnu-toolchain ?
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Examples of RISC-V Assembly Programs
> Note: "jalr zero, 1b" can also be written as "j 1b", "jalr zero, 0(ra)" can be written as "ret"
`j` and `ret` are so-called "pseudo instructions" [1], not compressed instructions.
Pseudo instructions are just shortcuts used in assembly language to pretend that some common operations really "exist" with the need to type (or display) the real, more complex instructions. `nop` is a common pseudo instruction. RISC-V has `nop` instructions, but, instead, the "do nothing instruction" is canonically encoded as `addi x0, x0, 0`.
The compressed instruction set (a.k.a "extension C") is a subset of the full [2] instruction set, in which a restricted combinations of operands are possible. The assembly (human readable) code of the compressed instruction set looks similar to that of the full instruction set (including pseudo instructions), but they are encoded as completely different binary sequences.
[1] https://github.com/riscv/riscv-asm-manual/blob/master/riscv-...
[2] https://riscv.org/wp-content/uploads/2019/06/riscv-spec.pdf#...
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RISCV Assembly and absolute addressing ?
This should be helpful https://github.com/riscv/riscv-asm-manual/blob/master/riscv-asm.md
- Absolute beginner to RISC-V, where do I start?
picocli
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GraalVM for JDK 21 is here
Picocli allows using a compiler annotation processor to generate classes at compile time instead [0].
[0]: https://github.com/remkop/picocli/blob/main/picocli-codegen/...
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
Picocli is a pretty good one for writing CLI apps
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“Why I develop on Windows”
"and there are simply no good command line input parsing libraries for Java."
Looks like author missed the most obvious and popular OSS one: https://picocli.info/
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Java 20 / JDK 20: General Availability
The command line example gave me the "ick". It is usually preferrable to parse the command line arguments into one instance of a custom "command class", rather than into a list of things. Like jcommander, picocli or jbock do.
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any opinion good or bed about a code that smells?
Complex argument parsing needs to be auto-generated by libraries like picocli. Even if you need something custom, it'd be quicker to write an Annotation processor from scratch than editing that file.
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Owl: A toolkit for writing command-line user interfaces in Elixir
https://github.com/remkop/picocli
"Picocli-based applications can be ahead-of-time compiled to a GraalVM native image, with extremely fast startup time and lower memory requirements, which can be distributed as a single executable file."
https://picocli.info/quick-guide.html
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Building a Java CLI. How can I make it more powershell-friendly
Using picocli to handle your command line options gives you the best chance to automatically generate an ArgumentCompleter script in the future, but won't help you today (other than possibly making your command line handling more standardized & easier).
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must known frameworks/libs/tech, every senior java developer must know(?)
Picocli
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🔍 Validate New-Caledonia Phone Numbers from cli ⌨️
Then we released a JBang! and picocli based cli that would be, on any OS running a jvm runtime :
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📲 Inspired by Twilio we started to build our own (pico)cli to send sms
picocli : "a mighty tiny command line interface"
What are some alternatives?
riscv-elf-psabi-doc - A RISC-V ELF psABI Document
Spring Shell 3 - Spring based shell
neorv32 - :rocket: A tiny, customizable and extensible MCU-class 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL.
JCommander - Command line parsing framework for Java
glibc - GNU Libc
args4j - args4j
riscv-isa-manual - RISC-V Instruction Set Manual
Airline - Java annotation-based framework for parsing Git like command line structures
riscv-gnu-toolchain - GNU toolchain for RISC-V, including GCC
JLine - JLine is a Java library for handling console input.
arduino-6502ctl - Arduino 6502 Controller
JewelCLI - JewelCli uses an annotated interface definition to automatically parse and present command line arguments