CarpVM alternatives and similar libraries
Based on the "Virtual Machines" category.
Alternatively, view CarpVM alternatives based on common mentions on social networks and blogs.
9.6 9.8 L3 CarpVM VS MicroPythonMicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
9.3 10.0 L2 CarpVM VS qemuOfficial QEMU mirror. Please see http://wiki.qemu.org/Contribute/SubmitAPatch for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.
8.5 6.8 L2 CarpVM VS Unicorn EngineUnicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)
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Do you think we are missing an alternative of CarpVM or a related project?
THIS PROJECT IS UNSTABLE AND DEPRECATED
I have since started slow work on a more stable, better thought-out project called RabbitVM. It doesn't quite have the same level of documentation but it should work much better.
This is a project I've been slowly working on for about half a year now. The goal is to try and build a small (and decently reliable) VM from the ground up, learning more and more C as I go.
Right now there are instructions, registers, a stack, data memory, and calls. Not sure if recursion works... it should in theory. Haven't tested.
CONSIDER THIS PRE-ALPHA SOFTWARE. Things change more than they do in Rust!
If you already have a local copy (cloned before submodule was added)
git submodule init
git submodule update
If you don't already have a local copy
git clone --recursive
git submodule status doesn't return a SHA1 hash and repository name, you have a problem.
NOTE: Recursive clone is for testing library. If not included, tests will not build.
|Arch (bit)||OS (with version, name)||Compiler (with version)|
|64-bit||Ubuntu 12.04 (precise)||gcc 4.6.3|
|64-bit||Ubuntu 14.04 (trusty)||gcc 4.8.2|
|32-bit||Ubuntu 14.04 (trusty)||gcc 4.8.2|
|64-bit||OS X 10.9.4 (Mavericks)||clang 3.2|
|32-bit||OS X 10.9.4 (Mavericks)||gcc 4.2.1|
|64-bit||Arch Linux 3.13.6-1||clang 3.4.2|
|64-bit?||Arch Linux 3.13.6-1||gcc 4.9.0 20140604|
carp -h for help with command-line options.
- Write a Carp file - see SYNTAX.md. More formal spec coming.
./carp.out -f your_file.carp.
carp/carp_machine.hin your program.
gcc program.c /usr/local/lib/libcarp.a -o program.out.
|NOP||Does nothing. Seriously.|
|LOADR||reg, val||Loads given integer value into given register.|
|LOAD||diff||Loads value at location
|STORE||diff, val||Stores value at location
|MOV||dst, src||Copies contents of src register into dst register.|
|ADD||Pops the top two integers from the stack and pushes their sum.|
|SUB||Pops the top two integers from the stack and pushes the difference (lower minus upper).|
|MUL||Pops the top two integers from the stack and pushes their product.|
|MOD||Pops the top two integers from the stack and pushes lower % upper.|
|SHR||Pops the top two integers from the stack and pushes lower >> upper.|
|SHL||Pops the top two integers from the stack and pushes lower << upper.|
|NOT||Pops top integer from stack and pushes bitwise NOT of that integer.|
|XOR||Pops the top two integers from the stack and pushes bitwise XOR..|
|OR||Pops the top two integers from the stack and pushes bitwise OR.|
|AND||Pops the top two integers from the stack and pushes bitwise AND.|
|INCR||reg||Increments value in given register.|
|DECR||reg||Decrements value in given register.|
|INC||Increments the value at the top of the stack.|
|DEC||Decrements the value at the top of the stack.|
|PUSHR||reg||Pushes value in given register.|
|PUSH||val||Pushes given value.|
|POP||reg||Pops an integer from the stack and dumps it into given register.|
|CMP||Pops the top two integers from the stack and checks if equal. 0 means equal. Pushes result.|
|LT||Pops the top two integers from the stack and checks if lower < upper. Pushes result.|
|GT||Pops the top two integers from the stack and checks if lower > upper. Pushes result.|
|JZ||addr||Jumps to given absolute address if top of the stack is 0.|
|RJZ||diff||Adds differential to
|JNZ||addr||Jumps to given absolute address if top of the stack is not 0.|
|RJNZ||diff||Adds differential to
|JMP||addr||Jumps to given absolute address unconditionally.|
|RJMP||diff||Adds differential to
|CALL||key/addr||Save state and set IP to value in data memory at key. Function may return value in
|RET||Put top of the stack into
|PREG||reg||Prints contents of given register.|
|PTOP||Peeks top of stack and prints top value.|
||Return value for user-defined function.|
||... something in the future. Just taking up space for now.|
||Instruction pointer. Used for keeping place in code, gotos, calling, etc.|
||Frame pointer. Used to keep state for function calls.|
||Garbage register mainly used for popping.|
||Boolean - is machine running?|
How to contribute
- Check out the TODO.md file to see if anything needs doing.
- Write some code (following existing implicit style) and submit a pull request.
- Write some code for a feature you want to exist and submit a pull request.
GPLv3. See LICENSE.txt.
*Note that all licence references and agreements mentioned in the CarpVM README section above are relevant to that project's source code only.