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make #ud non-panic

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This commit is contained in:
Fabian 2025-08-13 15:27:30 -06:00
parent 4aa1c16995
commit d074a7f8a4
2 changed files with 5 additions and 4 deletions
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6
gen/generate_interpreter.js
View file

@ -213,8 +213,9 @@ function gen_instruction_body_after_prefix(encodings, size)
}), }),
default_case: { default_case: {
varname: "x",
body: [ body: [
`if DEBUG { panic!("Bad instruction at {:x}", *instruction_pointer); }`, `dbg_log!("#ud ${encoding.opcode.toString(16).toUpperCase()}/{} at {:x}", x, *instruction_pointer);`,
"trigger_ud();", "trigger_ud();",
], ],
} }
@ -413,7 +414,7 @@ function gen_table()
"use crate::cpu::cpu::{after_block_boundary, modrm_resolve};", "use crate::cpu::cpu::{after_block_boundary, modrm_resolve};",
"use crate::cpu::cpu::{read_imm8, read_imm8s, read_imm16, read_imm32s, read_moffs};", "use crate::cpu::cpu::{read_imm8, read_imm8s, read_imm16, read_imm32s, read_moffs};",
"use crate::cpu::cpu::{task_switch_test, trigger_ud, DEBUG};", "use crate::cpu::cpu::{task_switch_test, trigger_ud};",
"use crate::cpu::instructions;", "use crate::cpu::instructions;",
"use crate::cpu::global_pointers::{instruction_pointer, prefixes};", "use crate::cpu::global_pointers::{instruction_pointer, prefixes};",
"use crate::prefix;", "use crate::prefix;",
@ -478,7 +479,6 @@ function gen_table()
"use crate::cpu::cpu::{after_block_boundary, modrm_resolve};", "use crate::cpu::cpu::{after_block_boundary, modrm_resolve};",
"use crate::cpu::cpu::{read_imm8, read_imm16, read_imm32s};", "use crate::cpu::cpu::{read_imm8, read_imm16, read_imm32s};",
"use crate::cpu::cpu::{task_switch_test, task_switch_test_mmx, trigger_ud};", "use crate::cpu::cpu::{task_switch_test, task_switch_test_mmx, trigger_ud};",
"use crate::cpu::cpu::DEBUG;",
"use crate::cpu::instructions_0f;", "use crate::cpu::instructions_0f;",
"use crate::cpu::global_pointers::{instruction_pointer, prefixes};", "use crate::cpu::global_pointers::{instruction_pointer, prefixes};",
"use crate::prefix;", "use crate::prefix;",

3
gen/rust_ast.js
View file

@ -32,7 +32,8 @@ export function print_syntax_tree(statements)
if(statement.default_case) if(statement.default_case)
{ {
cases.push(`_ => {`); const varname = statement.default_case.varname || "_";
cases.push(`${varname} => {`);
cases.push.apply(cases, indent(print_syntax_tree(statement.default_case.body), 4)); cases.push.apply(cases, indent(print_syntax_tree(statement.default_case.body), 4));
cases.push(`}`); cases.push(`}`);
} }