Initial
This commit is contained in:
commit
13bc0fc2f9
12 changed files with 687 additions and 0 deletions
1
.envrc
Normal file
1
.envrc
Normal file
|
|
@ -0,0 +1 @@
|
||||||
|
use flake
|
||||||
5
.gitignore
vendored
Normal file
5
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
/target
|
||||||
|
.direnv
|
||||||
|
|
||||||
|
result*
|
||||||
|
*.o
|
||||||
390
Cargo.lock
generated
Normal file
390
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,390 @@
|
||||||
|
# This file is automatically @generated by Cargo.
|
||||||
|
# It is not intended for manual editing.
|
||||||
|
version = 3
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anyhow"
|
||||||
|
version = "1.0.68"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bitflags"
|
||||||
|
version = "1.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cc"
|
||||||
|
version = "1.0.79"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cfg-if"
|
||||||
|
version = "1.0.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap"
|
||||||
|
version = "4.1.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f13b9c79b5d1dd500d20ef541215a6423c75829ef43117e1b4d17fd8af0b5d76"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"clap_derive",
|
||||||
|
"clap_lex",
|
||||||
|
"is-terminal",
|
||||||
|
"once_cell",
|
||||||
|
"strsim",
|
||||||
|
"termcolor",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_derive"
|
||||||
|
version = "4.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "684a277d672e91966334af371f1a7b5833f9aa00b07c84e92fbce95e00208ce8"
|
||||||
|
dependencies = [
|
||||||
|
"heck",
|
||||||
|
"proc-macro-error",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_lex"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "783fe232adfca04f90f56201b26d79682d4cd2625e0bc7290b95123afe558ade"
|
||||||
|
dependencies = [
|
||||||
|
"os_str_bytes",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "errno"
|
||||||
|
version = "0.2.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
|
||||||
|
dependencies = [
|
||||||
|
"errno-dragonfly",
|
||||||
|
"libc",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "errno-dragonfly"
|
||||||
|
version = "0.1.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
|
||||||
|
dependencies = [
|
||||||
|
"cc",
|
||||||
|
"libc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "goblin"
|
||||||
|
version = "0.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "572564d6cba7d09775202c8e7eebc4d534d5ae36578ab402fb21e182a0ac9505"
|
||||||
|
dependencies = [
|
||||||
|
"log",
|
||||||
|
"plain",
|
||||||
|
"scroll",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "heck"
|
||||||
|
version = "0.4.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "hermit-abi"
|
||||||
|
version = "0.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "856b5cb0902c2b6d65d5fd97dfa30f9b70c7538e770b98eab5ed52d8db923e01"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "io-lifetimes"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "is-terminal"
|
||||||
|
version = "0.4.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "22e18b0a45d56fe973d6db23972bf5bc46f988a4a2385deac9cc29572f09daef"
|
||||||
|
dependencies = [
|
||||||
|
"hermit-abi",
|
||||||
|
"io-lifetimes",
|
||||||
|
"rustix",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libc"
|
||||||
|
version = "0.2.139"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "linux-raw-sys"
|
||||||
|
version = "0.1.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "log"
|
||||||
|
version = "0.4.17"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "once_cell"
|
||||||
|
version = "1.17.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "os_str_bytes"
|
||||||
|
version = "6.4.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "plain"
|
||||||
|
version = "0.2.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro-error"
|
||||||
|
version = "1.0.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro-error-attr",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
"version_check",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro-error-attr"
|
||||||
|
version = "1.0.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"version_check",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.50"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.23"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "riscv64-emulator"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"clap",
|
||||||
|
"goblin",
|
||||||
|
"scroll",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustix"
|
||||||
|
version = "0.36.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"errno",
|
||||||
|
"io-lifetimes",
|
||||||
|
"libc",
|
||||||
|
"linux-raw-sys",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "scroll"
|
||||||
|
version = "0.11.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "04c565b551bafbef4157586fa379538366e4385d42082f255bfd96e4fe8519da"
|
||||||
|
dependencies = [
|
||||||
|
"scroll_derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "scroll_derive"
|
||||||
|
version = "0.11.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bdbda6ac5cd1321e724fa9cee216f3a61885889b896f073b8f82322789c5250e"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "strsim"
|
||||||
|
version = "0.10.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.107"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "termcolor"
|
||||||
|
version = "1.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-util",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-util"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
|
||||||
|
dependencies = [
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.45.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
|
||||||
|
dependencies = [
|
||||||
|
"windows-targets",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-targets"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm",
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_gnullvm",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.42.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
|
||||||
10
Cargo.toml
Normal file
10
Cargo.toml
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
[package]
|
||||||
|
name = "riscv64-emulator"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
anyhow = "1.0.68"
|
||||||
|
clap = { version = "4.1.4", features = ["derive"] }
|
||||||
|
goblin = "0.6.0"
|
||||||
|
scroll = "0.11.0"
|
||||||
4
Makefile
Normal file
4
Makefile
Normal file
|
|
@ -0,0 +1,4 @@
|
||||||
|
CC := riscv64-unknown-linux-gnu-gcc
|
||||||
|
|
||||||
|
main.o: main.c
|
||||||
|
$(CC) -o $@ $<
|
||||||
93
flake.lock
Normal file
93
flake.lock
Normal file
|
|
@ -0,0 +1,93 @@
|
||||||
|
{
|
||||||
|
"nodes": {
|
||||||
|
"fenix": {
|
||||||
|
"inputs": {
|
||||||
|
"nixpkgs": "nixpkgs",
|
||||||
|
"rust-analyzer-src": "rust-analyzer-src"
|
||||||
|
},
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1675405418,
|
||||||
|
"narHash": "sha256-5Tvd/8kFl+jQ+uYqam/Q1ZRWLNrkF97zRX/l0pUitpU=",
|
||||||
|
"owner": "nix-community",
|
||||||
|
"repo": "fenix",
|
||||||
|
"rev": "8d7682dba94f6a3ad9370d17a4092addcbb23544",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "nix-community",
|
||||||
|
"repo": "fenix",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"flake-utils": {
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1667395993,
|
||||||
|
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
|
||||||
|
"owner": "numtide",
|
||||||
|
"repo": "flake-utils",
|
||||||
|
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"id": "flake-utils",
|
||||||
|
"type": "indirect"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"nixpkgs": {
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1675183161,
|
||||||
|
"narHash": "sha256-Zq8sNgAxDckpn7tJo7V1afRSk2eoVbu3OjI1QklGLNg=",
|
||||||
|
"owner": "nixos",
|
||||||
|
"repo": "nixpkgs",
|
||||||
|
"rev": "e1e1b192c1a5aab2960bf0a0bd53a2e8124fa18e",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "nixos",
|
||||||
|
"ref": "nixos-unstable",
|
||||||
|
"repo": "nixpkgs",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"nixpkgs_2": {
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1667629849,
|
||||||
|
"narHash": "sha256-P+v+nDOFWicM4wziFK9S/ajF2lc0N2Rg9p6Y35uMoZI=",
|
||||||
|
"owner": "nixos",
|
||||||
|
"repo": "nixpkgs",
|
||||||
|
"rev": "3bacde6273b09a21a8ccfba15586fb165078fb62",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"id": "nixpkgs",
|
||||||
|
"type": "indirect"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"root": {
|
||||||
|
"inputs": {
|
||||||
|
"fenix": "fenix",
|
||||||
|
"flake-utils": "flake-utils",
|
||||||
|
"nixpkgs": "nixpkgs_2"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"rust-analyzer-src": {
|
||||||
|
"flake": false,
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1675345086,
|
||||||
|
"narHash": "sha256-Y7VnQlwTckCG4ia1zHSxF1mYKfNjfWUlzRyoLTbLn5U=",
|
||||||
|
"owner": "rust-lang",
|
||||||
|
"repo": "rust-analyzer",
|
||||||
|
"rev": "04850a192cd82f94ddbd3f4b202d0e4ea3e62daa",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "rust-lang",
|
||||||
|
"ref": "nightly",
|
||||||
|
"repo": "rust-analyzer",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"root": "root",
|
||||||
|
"version": 7
|
||||||
|
}
|
||||||
33
flake.nix
Normal file
33
flake.nix
Normal file
|
|
@ -0,0 +1,33 @@
|
||||||
|
{
|
||||||
|
inputs = { fenix.url = "github:nix-community/fenix"; };
|
||||||
|
|
||||||
|
outputs = { self, nixpkgs, flake-utils, fenix }:
|
||||||
|
flake-utils.lib.eachDefaultSystem (system:
|
||||||
|
let
|
||||||
|
pkgs = import nixpkgs {
|
||||||
|
inherit system;
|
||||||
|
overlays = [ fenix.overlays.default ];
|
||||||
|
};
|
||||||
|
|
||||||
|
toolchain = pkgs.fenix.stable;
|
||||||
|
|
||||||
|
targetPkgs = pkgs.pkgsCross.riscv64;
|
||||||
|
in rec {
|
||||||
|
legacyPackages = pkgs;
|
||||||
|
|
||||||
|
devShell = pkgs.mkShell {
|
||||||
|
inputsFrom = [ ];
|
||||||
|
|
||||||
|
packages = (with pkgs; [
|
||||||
|
cargo-watch
|
||||||
|
cargo-deny
|
||||||
|
cargo-edit
|
||||||
|
|
||||||
|
targetPkgs.stdenv.cc
|
||||||
|
(qemu.override {
|
||||||
|
hostCpuTargets = [ "${targetPkgs.system}-user" ];
|
||||||
|
})
|
||||||
|
]) ++ (with toolchain; [ cargo rustc rustfmt clippy ]);
|
||||||
|
};
|
||||||
|
});
|
||||||
|
}
|
||||||
5
main.c
Normal file
5
main.c
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
#include <stdio.h>
|
||||||
|
|
||||||
|
int main() {
|
||||||
|
printf("Hello, world!\n");
|
||||||
|
}
|
||||||
2
rustfmt.toml
Normal file
2
rustfmt.toml
Normal file
|
|
@ -0,0 +1,2 @@
|
||||||
|
max_width = 80
|
||||||
|
tab_spaces = 2
|
||||||
102
src/emulator.rs
Normal file
102
src/emulator.rs
Normal file
|
|
@ -0,0 +1,102 @@
|
||||||
|
use std::collections::HashMap;
|
||||||
|
|
||||||
|
use anyhow::Result;
|
||||||
|
use goblin::elf::Elf;
|
||||||
|
use scroll::{Endian, Pread};
|
||||||
|
|
||||||
|
// IMPORTANT PAGES IN THE RISC-V SPEC
|
||||||
|
// https://riscv.org/wp-content/uploads/2017/05/riscv-spec-v2.2.pdf
|
||||||
|
//
|
||||||
|
// - 103 (Ch. 19) - Instruction Set Listings (Opcodes)
|
||||||
|
|
||||||
|
use crate::instruction::Instruction;
|
||||||
|
|
||||||
|
pub type Address = u64;
|
||||||
|
|
||||||
|
pub struct Emulator<'a> {
|
||||||
|
contents: &'a [u8],
|
||||||
|
elf: Elf<'a>,
|
||||||
|
endianness: Endian,
|
||||||
|
|
||||||
|
program_counter: u64,
|
||||||
|
registers: [u64; 32],
|
||||||
|
memory_map: HashMap<Address, &'a [u8]>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<'a> Emulator<'a> {
|
||||||
|
pub fn new(contents: &'a [u8]) -> Result<Self> {
|
||||||
|
let elf = Elf::parse(&contents)?;
|
||||||
|
let endianness = elf.header.endianness()?;
|
||||||
|
Ok(Emulator {
|
||||||
|
contents,
|
||||||
|
elf,
|
||||||
|
endianness,
|
||||||
|
|
||||||
|
program_counter: 0,
|
||||||
|
registers: [0; 32],
|
||||||
|
memory_map: HashMap::new(),
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn run(&mut self) -> Result<()> {
|
||||||
|
// Set up memory segments
|
||||||
|
for program_header in self.elf.program_headers.iter() {
|
||||||
|
let start = program_header.p_offset as usize;
|
||||||
|
let end = start + program_header.p_memsz as usize;
|
||||||
|
let memory_slice = &self.contents[start..end];
|
||||||
|
self.memory_map.insert(program_header.p_vaddr, memory_slice);
|
||||||
|
}
|
||||||
|
|
||||||
|
println!("Elf entrypoint: 0x{:x?}", self.elf.entry);
|
||||||
|
self.program_counter = self.elf.entry;
|
||||||
|
|
||||||
|
self.step()?;
|
||||||
|
self.step()?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn step(&mut self) -> Result<()> {
|
||||||
|
let instruction = self.decode_instruction_at(self.program_counter)?;
|
||||||
|
self.program_counter += instruction.len as u64;
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn decode_instruction_at(&self, addr: Address) -> Result<Instruction> {
|
||||||
|
let data = self.read_memory_at(addr, 2).unwrap();
|
||||||
|
let data_num = data.pread_with::<u16>(0, self.endianness)?;
|
||||||
|
|
||||||
|
// If the instruction has 11 at the end, it's longer
|
||||||
|
if data_num & 0b11 == 0b11 {
|
||||||
|
let data = self.read_memory_at(addr, 4).unwrap();
|
||||||
|
let data_num = data.pread_with::<u32>(0, self.endianness)?;
|
||||||
|
println!("{:b}", data_num);
|
||||||
|
|
||||||
|
// TODO: If the instruction ends with 11111, it's longer
|
||||||
|
|
||||||
|
// JAL
|
||||||
|
if data_num & 0b1111111 == 0b1101111 {
|
||||||
|
return Ok(Instruction { len: 4 });
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
println!("{:b}", data_num);
|
||||||
|
}
|
||||||
|
|
||||||
|
todo!()
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Read n bytes from addr
|
||||||
|
// TODO: Could speed this up massively
|
||||||
|
fn read_memory_at(&self, addr: Address, n: usize) -> Option<&[u8]> {
|
||||||
|
for (memory_addr, memory_slice) in self.memory_map.iter() {
|
||||||
|
if addr >= *memory_addr && addr < memory_addr + memory_slice.len() as u64
|
||||||
|
{
|
||||||
|
let start = (addr - *memory_addr) as usize;
|
||||||
|
let end = (start + n) as usize;
|
||||||
|
return Some(&memory_slice[start..end]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
None
|
||||||
|
}
|
||||||
|
}
|
||||||
8
src/instruction.rs
Normal file
8
src/instruction.rs
Normal file
|
|
@ -0,0 +1,8 @@
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub struct Instruction {
|
||||||
|
/// The number of bytes in this instruction
|
||||||
|
pub len: usize,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub enum Op {}
|
||||||
34
src/main.rs
Normal file
34
src/main.rs
Normal file
|
|
@ -0,0 +1,34 @@
|
||||||
|
mod emulator;
|
||||||
|
mod instruction;
|
||||||
|
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::Read;
|
||||||
|
use std::path::PathBuf;
|
||||||
|
|
||||||
|
use anyhow::Result;
|
||||||
|
use clap::Parser;
|
||||||
|
|
||||||
|
use crate::emulator::Emulator;
|
||||||
|
|
||||||
|
#[derive(Debug, Parser)]
|
||||||
|
struct Opt {
|
||||||
|
input_path: PathBuf,
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() -> Result<()> {
|
||||||
|
let opt = Opt::parse();
|
||||||
|
|
||||||
|
println!("Hello, world! {opt:?}");
|
||||||
|
|
||||||
|
let contents = {
|
||||||
|
let mut contents = Vec::new();
|
||||||
|
let mut file = File::open(&opt.input_path)?;
|
||||||
|
file.read_to_end(&mut contents)?;
|
||||||
|
contents
|
||||||
|
};
|
||||||
|
|
||||||
|
let mut emulator = Emulator::new(&contents)?;
|
||||||
|
emulator.run()?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue