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b952210561 |
@@ -1,11 +1,5 @@
|
||||
Call me Terry Davis because... actually please don't. I have visions: aspirations, not hallucinations :p
|
||||
|
||||
# bootle
|
||||
|
||||
hobby kernel
|
||||
|
||||
status: basically nothing, come back later
|
||||
|
||||
# bootler
|
||||
|
||||
hobby 1-stage legacy mode bootloader
|
||||
@@ -16,4 +10,4 @@ status: gets to long mode, loads+jumps to kernel, starts idt and gdt... :)
|
||||
|
||||
hobby self-hosted assembler
|
||||
|
||||
status: basically nothing, come back later
|
||||
status: tokenises a lot of common stuff, compiles a lot of common stuff... not good enough for anything real-world yet. It can assemble its own print function!!!
|
||||
|
||||
@@ -1,5 +0,0 @@
|
||||
[build]
|
||||
target = "x86_64-unknown-none"
|
||||
rustflags = [
|
||||
"-Crelocation-model=static"
|
||||
]
|
||||
@@ -1,7 +0,0 @@
|
||||
# Changelog
|
||||
|
||||
## [0.1.0] - 2026-03-05
|
||||
|
||||
### Added
|
||||
|
||||
- CHANGELOG.md
|
||||
359
bootle/Cargo.lock
generated
359
bootle/Cargo.lock
generated
@@ -1,359 +0,0 @@
|
||||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 4
|
||||
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
@@ -1,17 +0,0 @@
|
||||
[package]
|
||||
name = "bootle"
|
||||
version = "0.1.0"
|
||||
edition = "2024"
|
||||
|
||||
[lib]
|
||||
crate-type = ["staticlib"]
|
||||
|
||||
[dependencies]
|
||||
|
||||
[profile.release]
|
||||
panic = "abort"
|
||||
opt-level = 'z'
|
||||
debug = false
|
||||
|
||||
[profile.dev]
|
||||
panic = "abort"
|
||||
@@ -1,28 +0,0 @@
|
||||
# bootle
|
||||
|
||||
hobby kernel written in rust. It's just for playing around... for now :p
|
||||
|
||||
run with `nix run git+https://git.mtgmonkey.net/andromeda/bootler#bootle`
|
||||
|
||||
### memory map
|
||||
|
||||
```
|
||||
+------ 0x00100000 ------+
|
||||
| hardware, bios stuff |
|
||||
+------ 0x00080000 ------+
|
||||
| |
|
||||
| |
|
||||
+------ 0x00010200 ------+
|
||||
| kernel |
|
||||
+------ 0x00010000 ------+
|
||||
| bootloader stuff |
|
||||
| includes stack, gdt, |
|
||||
| idt for the time being |
|
||||
+------ 0x00000500 ------+
|
||||
| bios stuff |
|
||||
+------ 0x00000000 ------+
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
this project follows [Common Changelog](https://common-changelog.org) guidelines
|
||||
@@ -1,68 +0,0 @@
|
||||
{
|
||||
callPackage,
|
||||
rust-bin,
|
||||
naersk,
|
||||
bootler,
|
||||
qemu,
|
||||
...
|
||||
}: let
|
||||
rust-toolchain = rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
|
||||
naersk' = callPackage naersk {
|
||||
cargo = rust-toolchain;
|
||||
rustc = rust-toolchain;
|
||||
clippy = rust-toolchain;
|
||||
};
|
||||
in (naersk'.buildPackage {
|
||||
src = ./.;
|
||||
|
||||
# deps for rust-src
|
||||
additionalCargoLock = "${rust-toolchain.availableComponents.rust-src}/lib/rustlib/src/rust/library/Cargo.lock";
|
||||
|
||||
# just library build
|
||||
copyBins = false;
|
||||
copyLibs = true;
|
||||
release = true;
|
||||
|
||||
# build std
|
||||
cargoBuildOptions = x:
|
||||
x
|
||||
++ [
|
||||
"-Zbuild-std"
|
||||
];
|
||||
|
||||
postInstall = ''
|
||||
ld --oformat binary \
|
||||
-o kernel.bin \
|
||||
-T src/linker.ld \
|
||||
-e _start \
|
||||
target/x86_64-unknown-none/release/libbootle.a
|
||||
|
||||
dd if=/dev/zero of=disk bs=512 count=2880
|
||||
dd if=${bootler}/bin/boot.bin of=disk conv=notrunc
|
||||
dd if=kernel.bin of=disk bs=512 seek=1 conv=notrunc
|
||||
|
||||
mkdir -p $out/lib
|
||||
mkdir -p $out/bin
|
||||
|
||||
cat<<EOF>$out/bin/bootle
|
||||
#!/usr/bin/env bash
|
||||
|
||||
mkdir -p ./.bootle
|
||||
cp $(echo $out)/bin/disk ./.bootle/disk
|
||||
chmod a+w ./.bootle/disk
|
||||
|
||||
${qemu}/bin/qemu-system-x86_64 \
|
||||
-nographic \
|
||||
-drive file=./.bootle/disk,format=raw,index=0,media=disk
|
||||
|
||||
rm ./.bootle -r
|
||||
|
||||
EOF
|
||||
|
||||
chmod +x $out/bin/bootle
|
||||
|
||||
cp target/x86_64-unknown-none/release/libbootle.a $out/lib
|
||||
cp kernel.bin $out/bin
|
||||
cp disk $out/bin
|
||||
'';
|
||||
})
|
||||
@@ -1,5 +0,0 @@
|
||||
[toolchain]
|
||||
channel = "nightly"
|
||||
components = ["rust-src"]
|
||||
targets = ["x86_64-unknown-none"]
|
||||
profile = "default"
|
||||
@@ -1,55 +0,0 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use core::panic::PanicInfo;
|
||||
|
||||
#[unsafe(no_mangle)]
|
||||
pub extern "C" fn _start() -> ! {
|
||||
welcome_serial();
|
||||
halt()
|
||||
}
|
||||
|
||||
fn print_serial(s: &str) {
|
||||
let mut bytes = s.bytes();
|
||||
while let Some(b) = bytes.next() {
|
||||
unsafe {
|
||||
core::arch::asm!(
|
||||
"out dx, al"
|
||||
, in("al") b
|
||||
)
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
fn println_serial(s: &str) {
|
||||
print_serial(s);
|
||||
print_serial("\n");
|
||||
}
|
||||
|
||||
fn welcome_serial() {
|
||||
print_serial(ANSI_PINK);
|
||||
println_serial("\nWelcome to Bootle OS");
|
||||
println_serial("All code GPL licensed and freely available on git.mtgmonkey.net");
|
||||
print_serial("Enjoy your time! Press ");
|
||||
print_serial(ANSI_RED);
|
||||
print_serial("ctrl+a x");
|
||||
print_serial(ANSI_PINK);
|
||||
println_serial(" to escape Qemu");
|
||||
print_serial(ANSI_CLEAR);
|
||||
}
|
||||
|
||||
#[panic_handler]
|
||||
fn panic(_: &PanicInfo) -> ! {
|
||||
print_serial("panicked");
|
||||
halt()
|
||||
}
|
||||
|
||||
fn halt() -> ! {
|
||||
unsafe { core::arch::asm!("hlt") };
|
||||
halt()
|
||||
}
|
||||
|
||||
const ANSI_CLEAR: &str = "\x1b[0m";
|
||||
const ANSI_RED: &str = "\x1b[31m";
|
||||
const ANSI_PINK: &str = "\x1b[35m";
|
||||
const ANSI_GREEN: &str = "\x1b[32m";
|
||||
@@ -1,8 +0,0 @@
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x00010000;
|
||||
.text : {
|
||||
*(.text._start)
|
||||
*(.text*)
|
||||
}
|
||||
}
|
||||
@@ -6,7 +6,7 @@
|
||||
LOAD_ADDR equ 0x7C00
|
||||
|
||||
KERNEL_START equ 2 ; first sector on disk to load kernel from; 1 indexed
|
||||
KERNEL_SIZE equ 16 ; length of kernel in sectors
|
||||
KERNEL_SIZE equ 32 ; length of kernel in sectors
|
||||
KERNEL_LOAD_ADDR_ES equ 0x1000 ; kernel to be loaded at es * 0x10 + 0x0000
|
||||
|
||||
PAGE_TABLE_LOAD_ADDR equ 0x1000 ; start of page table; 4 * pt size
|
||||
|
||||
90
flake.lock
generated
90
flake.lock
generated
@@ -1,55 +1,12 @@
|
||||
{
|
||||
"nodes": {
|
||||
"fenix": {
|
||||
"inputs": {
|
||||
"nixpkgs": [
|
||||
"naersk",
|
||||
"nixpkgs"
|
||||
],
|
||||
"rust-analyzer-src": "rust-analyzer-src"
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1752475459,
|
||||
"narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
|
||||
"owner": "nix-community",
|
||||
"repo": "fenix",
|
||||
"rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "nix-community",
|
||||
"repo": "fenix",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"naersk": {
|
||||
"inputs": {
|
||||
"fenix": "fenix",
|
||||
"nixpkgs": [
|
||||
"nixpkgs"
|
||||
]
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1769799857,
|
||||
"narHash": "sha256-88IFXZ7Sa1vxbz5pty0Io5qEaMQMMUPMonLa3Ls/ss4=",
|
||||
"owner": "nix-community",
|
||||
"repo": "naersk",
|
||||
"rev": "9d4ed44d8b8cecdceb1d6fd76e74123d90ae6339",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "nix-community",
|
||||
"repo": "naersk",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"nixpkgs": {
|
||||
"locked": {
|
||||
"lastModified": 1772173633,
|
||||
"narHash": "sha256-MOH58F4AIbCkh6qlQcwMycyk5SWvsqnS/TCfnqDlpj4=",
|
||||
"lastModified": 1774701658,
|
||||
"narHash": "sha256-CIS/4AMUSwUyC8X5g+5JsMRvIUL3YUfewe8K4VrbsSQ=",
|
||||
"owner": "nixos",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "c0f3d81a7ddbc2b1332be0d8481a672b4f6004d6",
|
||||
"rev": "b63fe7f000adcfa269967eeff72c64cafecbbebe",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
@@ -61,46 +18,7 @@
|
||||
},
|
||||
"root": {
|
||||
"inputs": {
|
||||
"naersk": "naersk",
|
||||
"nixpkgs": "nixpkgs",
|
||||
"rust-overlay": "rust-overlay"
|
||||
}
|
||||
},
|
||||
"rust-analyzer-src": {
|
||||
"flake": false,
|
||||
"locked": {
|
||||
"lastModified": 1752428706,
|
||||
"narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
|
||||
"owner": "rust-lang",
|
||||
"repo": "rust-analyzer",
|
||||
"rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "rust-lang",
|
||||
"ref": "nightly",
|
||||
"repo": "rust-analyzer",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"rust-overlay": {
|
||||
"inputs": {
|
||||
"nixpkgs": [
|
||||
"nixpkgs"
|
||||
]
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1772507320,
|
||||
"narHash": "sha256-GdGXniFvtIfRiakc+ncdQYnoQjKbTCv9Imjfl4ggquI=",
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"rev": "1775eafa1879ac098ee436849bc9c3d963206f89",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"type": "github"
|
||||
"nixpkgs": "nixpkgs"
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
20
flake.nix
20
flake.nix
@@ -1,39 +1,21 @@
|
||||
{
|
||||
inputs = {
|
||||
nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
|
||||
naersk = {
|
||||
url = "github:nix-community/naersk";
|
||||
inputs.nixpkgs.follows = "nixpkgs";
|
||||
};
|
||||
rust-overlay = {
|
||||
url = "github:oxalica/rust-overlay";
|
||||
inputs.nixpkgs.follows = "nixpkgs";
|
||||
};
|
||||
};
|
||||
inputs.nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
|
||||
outputs = {
|
||||
nixpkgs,
|
||||
naersk,
|
||||
rust-overlay,
|
||||
self,
|
||||
...
|
||||
}: let
|
||||
system = "x86_64-linux";
|
||||
pkgs = nixpkgs.legacyPackages.${system};
|
||||
pkgsWithRustOverlay = pkgs.extend (import rust-overlay);
|
||||
in {
|
||||
packages.${system} = {
|
||||
bootler = pkgs.callPackage ./bootler/package.nix {};
|
||||
bootle = pkgsWithRustOverlay.callPackage ./bootle/package.nix {
|
||||
inherit naersk;
|
||||
bootler = self.packages.${system}.bootler;
|
||||
};
|
||||
twasm = pkgs.callPackage ./twasm/package.nix {
|
||||
bootler = self.packages.${system}.bootler;
|
||||
};
|
||||
};
|
||||
devShells.${system}.default = pkgs.mkShell {
|
||||
inputsFrom = [
|
||||
self.packages.${system}.bootle
|
||||
self.packages.${system}.bootler
|
||||
self.packages.${system}.twasm
|
||||
];
|
||||
|
||||
449
twasm/README.md
449
twasm/README.md
@@ -22,11 +22,14 @@ tokeniser
|
||||
------------------------
|
||||
byte(s) -> next byte(s)
|
||||
------------------------
|
||||
Newline -> Newline
|
||||
Newline -> Label
|
||||
-> Newline
|
||||
-> Komment
|
||||
-> Operator
|
||||
-> Directive
|
||||
|
||||
Label -> Newline
|
||||
|
||||
Komment -> Newline
|
||||
|
||||
Operator -> Newline
|
||||
@@ -45,37 +48,6 @@ Directive -> Newline
|
||||
------------------------
|
||||
```
|
||||
|
||||
not yet implemented:
|
||||
|
||||
```
|
||||
------------------------
|
||||
operand parser
|
||||
------------------------
|
||||
byte(s) -> next byte(s)
|
||||
------------------------
|
||||
START -> '['
|
||||
-> Register
|
||||
-> Constant
|
||||
|
||||
'[' -> Register
|
||||
-> Constant
|
||||
|
||||
']' -> END
|
||||
|
||||
Register -> IF #[, ']'
|
||||
-> Operator
|
||||
|
||||
Constant -> IF #[, ']'
|
||||
-> Operator
|
||||
|
||||
Operator -> IF NOT #R, Register
|
||||
-> Constant
|
||||
------------------------
|
||||
:R: = whether a register has been found
|
||||
:[: = whether a '[' has been found
|
||||
------------------------
|
||||
```
|
||||
|
||||
### memory map
|
||||
|
||||
```
|
||||
@@ -88,6 +60,10 @@ Operator -> IF NOT #R, Register
|
||||
+------ 0x00060000 ------+
|
||||
| test arena |
|
||||
+------ 0x00050000 ------+
|
||||
| label table |
|
||||
+------ 0x00040000 ------+
|
||||
| awaiting label table |
|
||||
+------ 0x00030000 ------+
|
||||
| stack (rsp) |
|
||||
+------------------------+
|
||||
| input |
|
||||
@@ -105,6 +81,7 @@ each word represents a token on the token table.
|
||||
each token gets loaded into the token table with the following form:
|
||||
|
||||
```
|
||||
2 bytes
|
||||
+----------+
|
||||
| 15 0 |
|
||||
+----------+
|
||||
@@ -112,6 +89,40 @@ each token gets loaded into the token table with the following form:
|
||||
+----------+
|
||||
```
|
||||
|
||||
#### label table (LT)
|
||||
|
||||
label definitions are stored and recalled from this table. The memory addresses are relative to the start of the program
|
||||
|
||||
```
|
||||
16 bytes
|
||||
+----------+---------+
|
||||
| 127 96 | 95 64 |
|
||||
+----------+---------+
|
||||
| reserved | address |
|
||||
+----------+---------+
|
||||
| 63 0 |
|
||||
+--------------------+
|
||||
| hash |
|
||||
+--------------------+
|
||||
```
|
||||
|
||||
#### awaiting label table (ALT)
|
||||
|
||||
forward references are stored in this table to be filled in after assembly is otherwise complete. The memory addresses are relative to the start of the program
|
||||
|
||||
```
|
||||
16 bytes
|
||||
+----------+----------+------------------+---------+
|
||||
| 127 101 | 100 | 99 96 | 95 64 |
|
||||
+----------+----------+------------------+---------+
|
||||
| reserved | abs flag | # bytes reserved | address |
|
||||
+----------+----------+------------------+---------+
|
||||
| 63 0 |
|
||||
+--------------------------------------------------+
|
||||
| hash |
|
||||
+--------------------------------------------------+
|
||||
```
|
||||
|
||||
### internal data structures
|
||||
|
||||
#### `tokens.[operators|registers]`
|
||||
@@ -121,6 +132,7 @@ contains tokens by their type. Intended to be searched by token name to get the
|
||||
each entry is in the following form:
|
||||
|
||||
```
|
||||
6 bytes
|
||||
+----------+--------------------------------+
|
||||
| 47 32 | 31 0 |
|
||||
+----------+--------------------------------+
|
||||
@@ -129,26 +141,16 @@ each entry is in the following form:
|
||||
|
||||
```
|
||||
|
||||
example implementation:
|
||||
|
||||
```nasm
|
||||
tokens
|
||||
.registers:
|
||||
dd "r8"
|
||||
dw 0x0008
|
||||
.by_name3: ; this is required for futureproofness; the caller can use this to
|
||||
; find the size of registers.by_name2
|
||||
```
|
||||
|
||||
note that tokens longer than 4 bytes are problematic :/
|
||||
|
||||
#### `tokens.by_id`
|
||||
|
||||
contains some tokens with their metadata. Some tokens have embedded information (`0x10XX` for instance). Those will not have entries in this table, being handled instead inside the assemble function itself.
|
||||
contains some tokens with their metadata. Some tokens have embedded information (`0x10XX` for instance). Those do not have entries in this table, being handled instead inside the assemble function itself.
|
||||
|
||||
metadata about some tokens in the following form:
|
||||
|
||||
```
|
||||
4 bytes
|
||||
+----------------+----------+-------+----------+
|
||||
| 31 24 | 23 20 | 19 16 | 15 0 |
|
||||
+----------------+----------+-------+----------+
|
||||
@@ -159,15 +161,17 @@ metadata about some tokens in the following form:
|
||||
the `type` hex digit is defined as the following:
|
||||
|
||||
| hex | meaning | examples |
|
||||
|-----|----------|-|
|
||||
| 0x0 | ignored | `; this entire comment is 1 token` |
|
||||
|-----|-----------------|-|
|
||||
| 0x0 | ignored | |
|
||||
| 0x1 | operator | `mov`, `hlt` |
|
||||
| 0x2 | register | `rsp`, `al` |
|
||||
| 0x3 | pseudo-operator | `db` |
|
||||
| 0xF | unknown | any token ID not represented in the lookup table |
|
||||
|
||||
type metadata for the different types is as follows:
|
||||
|
||||
```
|
||||
1 byte
|
||||
+----------+
|
||||
| type 0x0 |
|
||||
+----------+
|
||||
@@ -178,6 +182,7 @@ type metadata for the different types is as follows:
|
||||
```
|
||||
|
||||
```
|
||||
1 byte
|
||||
+-------------------------------+
|
||||
| type 0x1 |
|
||||
+----------+--------------------+
|
||||
@@ -188,6 +193,7 @@ type metadata for the different types is as follows:
|
||||
```
|
||||
|
||||
```
|
||||
1 byte
|
||||
+------------------------------+
|
||||
| type 0x2 |
|
||||
+----------+-----------+-------+
|
||||
@@ -205,19 +211,130 @@ type metadata for the different types is as follows:
|
||||
11b ; 64 bit
|
||||
```
|
||||
|
||||
```
|
||||
1 byte
|
||||
+----------+
|
||||
| type 0x3 |
|
||||
+----------+
|
||||
| 31 24 |
|
||||
+----------+
|
||||
| reserved |
|
||||
+----------+
|
||||
```
|
||||
|
||||
#### `opcodes.by_id`
|
||||
|
||||
entries are as follows:
|
||||
|
||||
```
|
||||
16 bytes
|
||||
+------------------------------+
|
||||
| 0 operand operators |
|
||||
+---------+--------------------+
|
||||
| 127 120 | 119 96 |
|
||||
+---------+--------------------+
|
||||
| flags | reserved |
|
||||
+---------+--------------------+
|
||||
| 95 64 |
|
||||
+------------------------------+
|
||||
| reserved |
|
||||
+------------------------------+
|
||||
| 63 32 |
|
||||
+------------------------------+
|
||||
| reserved |
|
||||
+----------+--------+----------+
|
||||
| 31 24 | 23 16 | 15 0 |
|
||||
+----------+--------+----------+
|
||||
| reserved | opcode | token ID |
|
||||
+----------+--------+----------+
|
||||
|
||||
16 bytes
|
||||
+------------------------------------------+
|
||||
| 1 operand operators |
|
||||
+----------+----------+----------+---------+
|
||||
| 127 120 | 119 112 | 111 104 | 103 96 |
|
||||
+----------+----------+----------+---------+
|
||||
| flags | reserved | flags5 | flags4 |
|
||||
+----------+----------+----------+---------+
|
||||
| 95 88 | 87 80 | 79 72 | 71 64 |
|
||||
+----------+----------+----------+---------+
|
||||
| flags3 | flags2 | reserved | flags0 |
|
||||
+----------+----------+----------+---------+
|
||||
| 63 56 | 55 48 | 47 40 | 39 32 |
|
||||
+----------+----------+----------+---------+
|
||||
| opcode | opcode | opcode | opcode |
|
||||
| dst=rel8 | dst=rel | dst=imm8 | dst=imm |
|
||||
+----------+----------+----------+---------+
|
||||
| 31 24 | 23 16 | 15 0 |
|
||||
+----------+----------+--------------------+
|
||||
| opcode+r | opcode | token ID |
|
||||
| dst=r | dst=r/m | |
|
||||
+----------+----------+--------------------+
|
||||
|
||||
16 bytes
|
||||
+-----------------------------------------------+
|
||||
| 2 operand operators |
|
||||
+---------+-------------------------------------+
|
||||
| 127 120 | 119 96 |
|
||||
+---------+-------------------------------------+
|
||||
| flags | reserved |
|
||||
+---------+----------+--------------------------+
|
||||
| 95 88 | 87 80 | 79 64 |
|
||||
+---------+----------+--------------------------+
|
||||
| flags3 | flags2 | reserved |
|
||||
+---------+----------+-------+-------+----------+
|
||||
| 63 48 | 47 40 | 39 32 |
|
||||
+--------------------+---------------+----------+
|
||||
| reserved | opcode | opcode |
|
||||
| | dst=r/m | dst=r/m |
|
||||
| | src=imm8 | src=imm |
|
||||
+---------+----------+---------------+----------+
|
||||
| 31 24 | 23 16 | 15 0 |
|
||||
+---------+----------+--------------------------+
|
||||
| opcode | opcode | token ID |
|
||||
| dst=r | dst=r/m | |
|
||||
| src=r/m | src=r | |
|
||||
+---------+----------+--------------------------+
|
||||
|
||||
1 byte
|
||||
+-----------------+
|
||||
| flags byte |
|
||||
+----------+------+
|
||||
| 95 89 | 88 |
|
||||
+----------+------+
|
||||
| reserved | 8bit |
|
||||
+----------+------+
|
||||
|
||||
1 byte
|
||||
+--------------------------------------------------------------+
|
||||
| flagsX byte |
|
||||
+----------+---------+-----------+-------------+---------------+
|
||||
| 7 6 | 5 | 4 | 3 | 2 0 |
|
||||
+----------+---------+-----------+-------------+---------------+
|
||||
| reserved | +r flag | no ModR/M | 0x0F prefix | operator flag |
|
||||
+----------+---------+-----------+-------------+---------------+
|
||||
|
||||
; flags key:
|
||||
8bit ; tte has opcodes for r/m8 and r8 instead of r/m and r respectively
|
||||
|
||||
; flagsX key:
|
||||
+r flag ; there is a +r variation of this opcode
|
||||
no ModR/M ; there is no ModR/M byte for this opcode
|
||||
0x0F prefix ; there is a 0x0F prefix for this opcode
|
||||
operator flag ; contents of `reg` if applicable
|
||||
|
||||
; key:
|
||||
r/m ; r/m 16/32/64
|
||||
r/m8 ; r/m 8
|
||||
r ; r 16/32/64
|
||||
r8 ; r 8
|
||||
imm ; imm 16/32
|
||||
imm8 ; imm 8
|
||||
rel ; rel 16/32
|
||||
rel8 ; rel 8
|
||||
```
|
||||
|
||||
note the lack of support for multiple-byte opcodes or multiple opcodes for one token ID; these features will likely be added at some point after the parser accumulates too much jank.
|
||||
note much room to expand. If an opcode doesn't exist, it should be 0x00
|
||||
|
||||
### token IDs
|
||||
|
||||
@@ -225,112 +342,122 @@ supported tokens are listed below
|
||||
|
||||
| token | id | notes |
|
||||
|-------|--------|-|
|
||||
| rax | 0x0000 | |
|
||||
| rbx | 0x0001 | |
|
||||
| rcx | 0x0002 | |
|
||||
| rdx | 0x0003 | |
|
||||
| rsi | 0x0004 | |
|
||||
| rdi | 0x0005 | |
|
||||
| rsp | 0x0006 | |
|
||||
| rbp | 0x0007 | |
|
||||
| r8 | 0x0008 | |
|
||||
| r9 | 0x0009 | |
|
||||
| r10 | 0x000A | |
|
||||
| r11 | 0x000B | |
|
||||
| r12 | 0x000C | |
|
||||
| r13 | 0x000D | |
|
||||
| r14 | 0x000E | |
|
||||
| r15 | 0x000F | |
|
||||
| eax | 0x0010 | |
|
||||
| ebx | 0x0011 | |
|
||||
| ecx | 0x0012 | |
|
||||
| edx | 0x0013 | |
|
||||
| esi | 0x0014 | |
|
||||
| edi | 0x0015 | |
|
||||
| esp | 0x0016 | |
|
||||
| ebp | 0x0017 | |
|
||||
| r8d | 0x0018 | |
|
||||
| r9d | 0x0019 | |
|
||||
| r10d | 0x001A | |
|
||||
| r11d | 0x001B | |
|
||||
| r12d | 0x001C | |
|
||||
| r13d | 0x001D | |
|
||||
| r14d | 0x001E | |
|
||||
| r15d | 0x001F | |
|
||||
| ax | 0x0020 | |
|
||||
| bx | 0x0021 | |
|
||||
| cx | 0x0022 | |
|
||||
| dx | 0x0023 | |
|
||||
| si | 0x0024 | |
|
||||
| di | 0x0025 | |
|
||||
| sp | 0x0026 | |
|
||||
| bp | 0x0027 | |
|
||||
| r8w | 0x0028 | |
|
||||
| r9w | 0x0029 | |
|
||||
| r10w | 0x002A | |
|
||||
| r11w | 0x002B | |
|
||||
| r12w | 0x002C | |
|
||||
| r13w | 0x002D | |
|
||||
| r14w | 0x002E | |
|
||||
| r15w | 0x002F | |
|
||||
| al | 0x0030 | |
|
||||
| bl | 0x0031 | |
|
||||
| cl | 0x0032 | |
|
||||
| dl | 0x0033 | |
|
||||
| sil | 0x0034 | |
|
||||
| dil | 0x0035 | |
|
||||
| spl | 0x0036 | |
|
||||
| bpl | 0x0037 | |
|
||||
| r8b | 0x0038 | |
|
||||
| r9b | 0x0039 | |
|
||||
| r10b | 0x003A | |
|
||||
| r11b | 0x003B | |
|
||||
| r12b | 0x003C | |
|
||||
| r13b | 0x003D | |
|
||||
| r14b | 0x003E | |
|
||||
| r15b | 0x003F | |
|
||||
| ah | 0x0040 | |
|
||||
| bh | 0x0041 | |
|
||||
| ch | 0x0042 | |
|
||||
| dh | 0x0043 | |
|
||||
| cs | 0x0044 | |
|
||||
| ds | 0x0045 | |
|
||||
| es | 0x0046 | |
|
||||
| fs | 0x0047 | |
|
||||
| gs | 0x0048 | |
|
||||
| ss | 0x0049 | |
|
||||
| cr0 | 0x004A | |
|
||||
| cr2 | 0x004B | |
|
||||
| cr3 | 0x004C | |
|
||||
| cr4 | 0x004D | |
|
||||
| cr8 | 0x004E | |
|
||||
| hlt | 0x004F | |
|
||||
| int3 | 0x0050 | |
|
||||
| rax | 0x0000 | register |
|
||||
| rbx | 0x0001 | register |
|
||||
| rcx | 0x0002 | register |
|
||||
| rdx | 0x0003 | register |
|
||||
| rsi | 0x0004 | register |
|
||||
| rdi | 0x0005 | register |
|
||||
| rsp | 0x0006 | register |
|
||||
| rbp | 0x0007 | register |
|
||||
| r8 | 0x0008 | unimplemented |
|
||||
| r9 | 0x0009 | unimplemented |
|
||||
| r10 | 0x000A | unimplemented |
|
||||
| r11 | 0x000B | unimplemented |
|
||||
| r12 | 0x000C | unimplemented |
|
||||
| r13 | 0x000D | unimplemented |
|
||||
| r14 | 0x000E | unimplemented |
|
||||
| r15 | 0x000F | unimplemented |
|
||||
| eax | 0x0010 | register |
|
||||
| ebx | 0x0011 | register |
|
||||
| ecx | 0x0012 | register |
|
||||
| edx | 0x0013 | register |
|
||||
| esi | 0x0014 | register |
|
||||
| edi | 0x0015 | register |
|
||||
| esp | 0x0016 | register |
|
||||
| ebp | 0x0017 | register |
|
||||
| r8d | 0x0018 | unimplemented |
|
||||
| r9d | 0x0019 | unimplemented |
|
||||
| r10d | 0x001A | unimplemented |
|
||||
| r11d | 0x001B | unimplemented |
|
||||
| r12d | 0x001C | unimplemented |
|
||||
| r13d | 0x001D | unimplemented |
|
||||
| r14d | 0x001E | unimplemented |
|
||||
| r15d | 0x001F | unimplemented |
|
||||
| ax | 0x0020 | register |
|
||||
| bx | 0x0021 | register |
|
||||
| cx | 0x0022 | register |
|
||||
| dx | 0x0023 | register |
|
||||
| si | 0x0024 | register |
|
||||
| di | 0x0025 | register |
|
||||
| sp | 0x0026 | register |
|
||||
| bp | 0x0027 | register |
|
||||
| r8w | 0x0028 | unimplemented |
|
||||
| r9w | 0x0029 | unimplemented |
|
||||
| r10w | 0x002A | unimplemented |
|
||||
| r11w | 0x002B | unimplemented |
|
||||
| r12w | 0x002C | unimplemented |
|
||||
| r13w | 0x002D | unimplemented |
|
||||
| r14w | 0x002E | unimplemented |
|
||||
| r15w | 0x002F | unimplemented |
|
||||
| al | 0x0030 | register |
|
||||
| bl | 0x0031 | register |
|
||||
| cl | 0x0032 | register |
|
||||
| dl | 0x0033 | register |
|
||||
| sil | 0x0034 | register |
|
||||
| dil | 0x0035 | register |
|
||||
| spl | 0x0036 | register |
|
||||
| bpl | 0x0037 | register |
|
||||
| r8b | 0x0038 | unimplemented |
|
||||
| r9b | 0x0039 | unimplemented |
|
||||
| r10b | 0x003A | unimplemented |
|
||||
| r11b | 0x003B | unimplemented |
|
||||
| r12b | 0x003C | unimplemented |
|
||||
| r13b | 0x003D | unimplemented |
|
||||
| r14b | 0x003E | unimplemented |
|
||||
| r15b | 0x003F | unimplemented |
|
||||
| ah | 0x0040 | unimplemented |
|
||||
| bh | 0x0041 | unimplemented |
|
||||
| ch | 0x0042 | unimplemented |
|
||||
| dh | 0x0043 | unimplemented |
|
||||
| cs | 0x0044 | unimplemented |
|
||||
| ds | 0x0045 | unimplemented |
|
||||
| es | 0x0046 | unimplemented |
|
||||
| fs | 0x0047 | unimplemented |
|
||||
| gs | 0x0048 | unimplemented |
|
||||
| ss | 0x0049 | unimplemented |
|
||||
| cr0 | 0x004A | unimplemented |
|
||||
| cr2 | 0x004B | unimplemented |
|
||||
| cr3 | 0x004C | unimplemented |
|
||||
| cr4 | 0x004D | unimplemented |
|
||||
| cr8 | 0x004E | unimplemented |
|
||||
| hlt | 0x004F | operator |
|
||||
| int3 | 0x0050 | operator |
|
||||
| | 0x0051 | deprecated; formerly `[`. Now `0x10XX` is used. |
|
||||
| | 0x0052 | deprecated; formerly `]`. |
|
||||
| xor | 0x0053 | |
|
||||
| inc | 0x0054 | |
|
||||
| dec | 0x0055 | |
|
||||
| mov | 0x0056 | |
|
||||
| add | 0x0057 | |
|
||||
| sub | 0x0058 | |
|
||||
| call | 0x0059 | |
|
||||
| ret | 0x005A | |
|
||||
| cmp | 0x005B | |
|
||||
| je | 0x005C | |
|
||||
| jne | 0x005D | |
|
||||
| jge | 0x005E | |
|
||||
| jg | 0x005F | |
|
||||
| jle | 0x0060 | |
|
||||
| jl | 0x0061 | |
|
||||
| xor | 0x0053 | operator |
|
||||
| inc | 0x0054 | operator |
|
||||
| dec | 0x0055 | operator |
|
||||
| mov | 0x0056 | operator |
|
||||
| add | 0x0057 | operator |
|
||||
| sub | 0x0058 | operator |
|
||||
| call | 0x0059 | operator |
|
||||
| ret | 0x005A | operator |
|
||||
| cmp | 0x005B | operator |
|
||||
| jmp | 0x005C | operator |
|
||||
| je | 0x005D | operator |
|
||||
| jne | 0x005E | operator |
|
||||
| push | 0x005F | operator |
|
||||
| pop | 0x0060 | operator |
|
||||
| out | 0x0061 | operator |
|
||||
| db | 0x0100 | pseudo-operator |
|
||||
| | 0x10XX | some memory address; `XX` is as specified below |
|
||||
| | 0x20XX | some constant; `XX` is as specified below |
|
||||
| | 0x3XXX | some label; `XXX` is its entry index in the label table |
|
||||
| | 0xFEXX | used to pass some raw value `XX` in place of a token id to a couple of functions that mention this as a feature. If the function doesn't mention it, it will lead to undefined behaviour |
|
||||
| | 0xFFFF | unrecognised token |
|
||||
|
||||
values of `XX` in `0x10XX`:
|
||||
|
||||
| XX | description |
|
||||
|------|-------------|
|
||||
| 0x00 | following byte is the token ID of some register |
|
||||
| 0x00 | following word is the token ID of some register |
|
||||
|
||||
values of `XX` in `0x20XX`:
|
||||
|
||||
| XX | description |
|
||||
|------|-------------|
|
||||
| 0x00 | following 8 bytes are the constant's value |
|
||||
|
||||
### example program
|
||||
|
||||
@@ -340,7 +467,9 @@ this program doesn't do anything useful, it's just a test
|
||||
|
||||
```nasm
|
||||
xor eax, eax
|
||||
inc rax
|
||||
inc rax ; inline comment
|
||||
; one line comment
|
||||
mov rdx, [rax]
|
||||
mov [rax], rdx
|
||||
hlt
|
||||
|
||||
@@ -350,30 +479,19 @@ hlt
|
||||
|
||||
```nasm
|
||||
0x0053 ; xor
|
||||
0xFE20 ; space
|
||||
0x0010 ; eax
|
||||
0xFE2C ; comma
|
||||
0xFE20 ; space
|
||||
0x0010 ; eax
|
||||
0xFE0A ; newline
|
||||
0x0054 ; inc
|
||||
0xFE20 ; space
|
||||
0x0000 ; rax
|
||||
0xFE0A ; newline
|
||||
0x0056 ; mov
|
||||
0xFE20 ; space
|
||||
0x1004 ; open bracket (4)
|
||||
0xFE20 ; space |1
|
||||
0x0000 ; rax |2
|
||||
0xFE20 ; space |3
|
||||
0x0052 ; close bracket |4
|
||||
0xFE2C ; comma
|
||||
0xFE20 ; space
|
||||
0x0003 ; rdx
|
||||
0xFE0A ; newline
|
||||
0x1000 ; memory address: register
|
||||
0x0000 ; rax
|
||||
0x0056 ; mov
|
||||
0x1000 ; memory address: register
|
||||
0x0000 ; rax
|
||||
0x0003 ; rdx
|
||||
0x004F ; hlt
|
||||
0xFE0A ; newline
|
||||
0xFE00 ; null terminator
|
||||
```
|
||||
|
||||
#### nasm output with the above example program, bits 64
|
||||
@@ -393,6 +511,13 @@ hlt
|
||||
; reg 000b ; RAX
|
||||
; r/m 000b ; RAX
|
||||
|
||||
0x48 ; 64 Bit Operand Size prefix
|
||||
0x8B ; MOV r16/32/64 r/m16/32/64
|
||||
0x10 ; ModR/M byte
|
||||
; mod 00b ; indirect addressing, no displacement
|
||||
; reg 010b ; RDX
|
||||
; r/m 000b ; [RAX]
|
||||
|
||||
0x48 ; 64 Bit Operand Size prefix
|
||||
0x89 ; MOV r/m16/32/64 r16/32/64
|
||||
0x10 ; ModR/M byte
|
||||
|
||||
2514
twasm/asm/main.asm
2514
twasm/asm/main.asm
File diff suppressed because it is too large
Load Diff
@@ -13,6 +13,11 @@ run_tests:
|
||||
mov rsi, .msg
|
||||
call print.test
|
||||
|
||||
call test_completeness
|
||||
|
||||
call clear_test_arena
|
||||
call test_djb2
|
||||
|
||||
call clear_test_arena
|
||||
call test_elemb
|
||||
|
||||
@@ -22,9 +27,6 @@ run_tests:
|
||||
call clear_test_arena
|
||||
call test_get_tte_typed_metadata
|
||||
|
||||
call clear_test_arena
|
||||
call test_get_direct_addressing_ModRM
|
||||
|
||||
call clear_test_arena
|
||||
call test_get_opcode
|
||||
|
||||
@@ -46,6 +48,27 @@ run_tests:
|
||||
ret
|
||||
.msg db "running test suite...", 0x0A, 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_completeness
|
||||
;
|
||||
; description:
|
||||
; visual confirmation of binary integrity
|
||||
; ------------------------------------------------------------------------------
|
||||
|
||||
test_completeness:
|
||||
mov rsi, .msg
|
||||
call print.test
|
||||
mov rsi, .msg_content
|
||||
call print
|
||||
mov rsi, msg_end
|
||||
call print
|
||||
mov rsi, .msg_confirm
|
||||
call print
|
||||
ret
|
||||
.msg db "test_completeness...", 0x0A, 0x00
|
||||
.msg_content db " here is the ", 0x00
|
||||
.msg_confirm db " here is the end of the binary ->|", 0x0A, " assert: the previous 2 lines are identical", 0x0A, 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_elemb
|
||||
;
|
||||
@@ -109,6 +132,68 @@ test_elemb:
|
||||
.case1 db 0x54, 0x00, 0x21, 0x20, 0x34
|
||||
.msg db "test_elemb...", 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_djb2
|
||||
;
|
||||
; description:
|
||||
; tests djb2 described functionality
|
||||
; ------------------------------------------------------------------------------
|
||||
|
||||
test_djb2:
|
||||
mov rsi, .msg
|
||||
call print.test
|
||||
|
||||
mov rsi, .case0
|
||||
mov rdi, 0
|
||||
call djb2
|
||||
cmp rax, 5381
|
||||
jne .fail
|
||||
|
||||
mov rsi, .case1
|
||||
mov rdi, 1
|
||||
call djb2
|
||||
cmp rax, 177670
|
||||
jne .fail
|
||||
|
||||
mov rsi, .case2
|
||||
mov rdi, 2
|
||||
call djb2
|
||||
cmp rax, 5863208
|
||||
jne .fail
|
||||
|
||||
; why am I testing this, of course it's without side effects xD
|
||||
|
||||
mov rsi, .case0
|
||||
mov rdi, 0
|
||||
call djb2
|
||||
cmp rax, 5381
|
||||
jne .fail
|
||||
|
||||
mov rsi, .case1
|
||||
mov rdi, 1
|
||||
call djb2
|
||||
cmp rax, 177670
|
||||
jne .fail
|
||||
|
||||
mov rsi, .case2
|
||||
mov rdi, 2
|
||||
call djb2
|
||||
cmp rax, 5863208
|
||||
jne .fail
|
||||
|
||||
.pass:
|
||||
mov rsi, msg_pass
|
||||
call print
|
||||
ret
|
||||
.fail:
|
||||
mov rsi, msg_fail
|
||||
call print
|
||||
ret
|
||||
.case0 db ""
|
||||
.case1 db "a"
|
||||
.case2 db "ab"
|
||||
.msg db "test_djb2...", 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_get_tte_type
|
||||
;
|
||||
@@ -166,6 +251,11 @@ test_get_tte_typed_metadata:
|
||||
cmp al, 0x02 ; # operands
|
||||
jne .fail
|
||||
|
||||
mov di, 0x004F ; hlt
|
||||
call get_tte_typed_metadata
|
||||
cmp al, 0x00 ; # operands
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0003 ; rdx
|
||||
call get_tte_typed_metadata
|
||||
cmp al, 00001011b ; reg: 010b
|
||||
@@ -192,51 +282,6 @@ test_get_tte_typed_metadata:
|
||||
ret
|
||||
.msg db "test_get_tte_typed_metadata...", 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_get_direct_addressing_ModRM
|
||||
;
|
||||
; description:
|
||||
; tests get_direct_addressing_ModRM described functionality
|
||||
; ------------------------------------------------------------------------------
|
||||
|
||||
test_get_direct_addressing_ModRM:
|
||||
mov rsi, .msg
|
||||
call print.test
|
||||
|
||||
mov di, 0x0000 ; rax
|
||||
mov si, 0x0000 ; rax
|
||||
call get_direct_addressing_ModRM
|
||||
cmp al, 11000000b ; Mod Reg R/M: 11b 000b 000b
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0000 ; rax
|
||||
mov si, 0x0003 ; rdx
|
||||
call get_direct_addressing_ModRM
|
||||
cmp al, 11000010b ; Mod Reg R/M: 11b 000b 010b
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0003 ; rdx
|
||||
mov si, 0x0000 ; rax
|
||||
call get_direct_addressing_ModRM
|
||||
cmp al, 11010000b ; Mod Reg R/M: 11b 010b 000b
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0003 ; rdx
|
||||
mov si, 0x0003 ; rdx
|
||||
call get_direct_addressing_ModRM
|
||||
cmp al, 11010010b ; Mod Reg R/M 11b 010b 010b
|
||||
jne .fail
|
||||
|
||||
.pass:
|
||||
mov rsi, msg_pass
|
||||
call print
|
||||
ret
|
||||
.fail:
|
||||
mov rsi, msg_fail
|
||||
call print
|
||||
ret
|
||||
.msg db "test_get_direct_addressing_ModRM...", 0x00
|
||||
|
||||
; ------------------------------------------------------------------------------
|
||||
; test_get_opcode
|
||||
;
|
||||
@@ -249,21 +294,80 @@ test_get_opcode:
|
||||
call print.test
|
||||
|
||||
mov di, 0x0053 ; xor
|
||||
mov sil, 0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0x31
|
||||
jne .fail
|
||||
cmp dl, 0q0
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0053 ; xor
|
||||
mov sil, 1
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0x33
|
||||
jne .fail
|
||||
cmp dl, 0q0
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0053 ; xor
|
||||
mov sil, 2
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0x81
|
||||
jne .fail
|
||||
cmp dl, 0q6
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0053 ; xor
|
||||
mov sil, 3
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0x83
|
||||
jne .fail
|
||||
cmp dl, 0q6
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0054 ; inc
|
||||
mov sil, 0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0xFF
|
||||
jne .fail
|
||||
cmp dl, 0q0
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0055 ; dec
|
||||
mov sil, 0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0xFF
|
||||
jne .fail
|
||||
cmp dl, 0q1
|
||||
jne .fail
|
||||
|
||||
mov di, 0x004F ; hlt
|
||||
mov sil, 0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0xF4
|
||||
jne .fail
|
||||
cmp dl, 0q0
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0059 ; call
|
||||
mov sil, 0q0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, 0xFF
|
||||
jne .fail
|
||||
cmp dl, 0q2
|
||||
jne .fail
|
||||
|
||||
mov di, 0x0003 ; rdx (not an operator)
|
||||
mov sil, 0q0
|
||||
mov bl, 0
|
||||
call get_opcode
|
||||
cmp al, UNRECOGNISED_ID_OPCODE
|
||||
jne .fail
|
||||
@@ -388,13 +492,6 @@ test_evaluate_constant:
|
||||
cmp rdx, 0x03
|
||||
jne .fail
|
||||
|
||||
; oversized char
|
||||
mov rdi, .case1c
|
||||
mov rsi, 7
|
||||
call evaluate_constant
|
||||
cmp rdx, 0xFF
|
||||
jne .fail
|
||||
|
||||
.pass:
|
||||
mov rsi, msg_pass
|
||||
call print
|
||||
@@ -560,10 +657,12 @@ test_evaluate_operand:
|
||||
msg_pass:
|
||||
db 0x0A
|
||||
times (TEST_LINE_LENGTH + .start - .end) db " ", ; right align
|
||||
db 0x1B, "[32m"
|
||||
.start db "passed."
|
||||
.end db 0x0A, 0x00
|
||||
.end db 0x1B, "[0m", 0x0A, 0x00
|
||||
msg_fail:
|
||||
db 0x0A
|
||||
times (TEST_LINE_LENGTH + .start - .end) db " ",
|
||||
db 0x1B, "[31m"
|
||||
.start db "failed."
|
||||
.end db 0x0A, 0x00
|
||||
.end db 0x1B, "[0m", 0x0A, 0x00
|
||||
|
||||
Reference in New Issue
Block a user