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core: arm7tdmi: Comment out old tests for now

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Former-commit-id: 01bfe52e513de9decb1a20e2e1d501b564f981b5
This commit is contained in:
Michel Heily 2020-01-17 01:15:51 +02:00
parent dc1cd84225
commit 1d7035b600
3 changed files with 264 additions and 272 deletions
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312
src/core/arm7tdmi/arm/mod.rs
View file

@ -365,185 +365,185 @@ impl ArmInstruction {
} }
} }
#[cfg(test)] // #[cfg(test)]
/// All instructions constants were generated using an ARM assembler. // /// All instructions constants were generated using an ARM assembler.
mod tests { // mod tests {
use super::*; // use super::*;
use crate::core::arm7tdmi::*; // use crate::core::arm7tdmi::*;
use crate::core::sysbus::BoxedMemory; // use crate::core::sysbus::BoxedMemory;
#[test] // #[test]
fn swi() { // fn swi() {
let mut core = Core::new(); // let mut core = Core::new();
let bytes = vec![]; // let bytes = vec![];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
// swi #0x1337 // // swi #0x1337
let decoded = ArmInstruction::decode(0xef001337, 0).unwrap(); // let decoded = ArmInstruction::decode(0xef001337, 0).unwrap();
assert_eq!(decoded.fmt, ArmFormat::SWI); // assert_eq!(decoded.fmt, ArmFormat::SWI);
assert_eq!(decoded.swi_comment(), 0x1337); // assert_eq!(decoded.swi_comment(), 0x1337);
assert_eq!(format!("{}", decoded), "swi\t#0x1337"); // assert_eq!(format!("{}", decoded), "swi\t#0x1337");
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(core.did_pipeline_flush(), true); // assert_eq!(core.did_pipeline_flush(), true);
assert_eq!(core.cpsr.mode(), CpuMode::Supervisor); // assert_eq!(core.cpsr.mode(), CpuMode::Supervisor);
assert_eq!(core.pc, Exception::SoftwareInterrupt as u32); // assert_eq!(core.pc, Exception::SoftwareInterrupt as u32);
} // }
#[test] // #[test]
fn branch_forwards() { // fn branch_forwards() {
// 0x20: b 0x30 // // 0x20: b 0x30
let decoded = ArmInstruction::decode(0xea_00_00_02, 0x20).unwrap(); // let decoded = ArmInstruction::decode(0xea_00_00_02, 0x20).unwrap();
assert_eq!(decoded.fmt, ArmFormat::B_BL); // assert_eq!(decoded.fmt, ArmFormat::B_BL);
assert_eq!(decoded.link_flag(), false); // assert_eq!(decoded.link_flag(), false);
assert_eq!( // assert_eq!(
(decoded.pc as i32).wrapping_add(decoded.branch_offset()) + 8, // (decoded.pc as i32).wrapping_add(decoded.branch_offset()) + 8,
0x30 // 0x30
); // );
assert_eq!(format!("{}", decoded), "b\t0x30"); // assert_eq!(format!("{}", decoded), "b\t0x30");
let mut core = Core::new(); // let mut core = Core::new();
core.pc = 0x20 + 8; // core.pc = 0x20 + 8;
let bytes = vec![]; // let bytes = vec![];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(core.did_pipeline_flush(), true); // assert_eq!(core.did_pipeline_flush(), true);
assert_eq!(core.pc, 0x30); // assert_eq!(core.pc, 0x30);
} // }
#[test] // #[test]
fn branch_link_backwards() { // fn branch_link_backwards() {
// 0x20: bl 0x10 // // 0x20: bl 0x10
let decoded = ArmInstruction::decode(0xeb_ff_ff_fa, 0x20).unwrap(); // let decoded = ArmInstruction::decode(0xeb_ff_ff_fa, 0x20).unwrap();
assert_eq!(decoded.fmt, ArmFormat::B_BL); // assert_eq!(decoded.fmt, ArmFormat::B_BL);
assert_eq!(decoded.link_flag(), true); // assert_eq!(decoded.link_flag(), true);
assert_eq!( // assert_eq!(
(decoded.pc as i32).wrapping_add(decoded.branch_offset()) + 8, // (decoded.pc as i32).wrapping_add(decoded.branch_offset()) + 8,
0x10 // 0x10
); // );
assert_eq!(format!("{}", decoded), "bl\t0x10"); // assert_eq!(format!("{}", decoded), "bl\t0x10");
let mut core = Core::new(); // let mut core = Core::new();
core.pc = 0x20 + 8; // core.pc = 0x20 + 8;
let bytes = vec![]; // let bytes = vec![];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(core.did_pipeline_flush(), true); // assert_eq!(core.did_pipeline_flush(), true);
assert_eq!(core.pc, 0x10); // assert_eq!(core.pc, 0x10);
} // }
#[test] // #[test]
fn ldr_pre_index() { // fn ldr_pre_index() {
// ldreq r2, [r5, -r6, lsl #5] // // ldreq r2, [r5, -r6, lsl #5]
let decoded = ArmInstruction::decode(0x07_15_22_86, 0).unwrap(); // let decoded = ArmInstruction::decode(0x07_15_22_86, 0).unwrap();
assert_eq!(decoded.fmt, ArmFormat::LDR_STR); // assert_eq!(decoded.fmt, ArmFormat::LDR_STR);
assert_eq!(decoded.cond, ArmCond::EQ); // assert_eq!(decoded.cond, ArmCond::EQ);
assert_eq!(decoded.load_flag(), true); // assert_eq!(decoded.load_flag(), true);
assert_eq!(decoded.pre_index_flag(), true); // assert_eq!(decoded.pre_index_flag(), true);
assert_eq!(decoded.write_back_flag(), false); // assert_eq!(decoded.write_back_flag(), false);
assert_eq!(decoded.rd(), 2); // assert_eq!(decoded.rd(), 2);
assert_eq!(decoded.rn(), 5); // assert_eq!(decoded.rn(), 5);
assert_eq!( // assert_eq!(
decoded.ldr_str_offset(), // decoded.ldr_str_offset(),
BarrelShifterValue::ShiftedRegister(ShiftedRegister { // BarrelShifterValue::ShiftedRegister(ShiftedRegister {
reg: 6, // reg: 6,
shift_by: ShiftRegisterBy::ByAmount(5), // shift_by: ShiftRegisterBy::ByAmount(5),
bs_op: BarrelShiftOpCode::LSL, // bs_op: BarrelShiftOpCode::LSL,
added: Some(false) // added: Some(false)
}) // })
); // );
assert_eq!(format!("{}", decoded), "ldreq\tr2, [r5, -r6, lsl #5]"); // assert_eq!(format!("{}", decoded), "ldreq\tr2, [r5, -r6, lsl #5]");
let mut core = Core::new(); // let mut core = Core::new();
core.cpsr.set_Z(true); // core.cpsr.set_Z(true);
core.gpr[5] = 0x34; // core.gpr[5] = 0x34;
core.gpr[6] = 1; // core.gpr[6] = 1;
core.gpr[2] = 0; // core.gpr[2] = 0;
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(core.gpr[2], 0x1337); // assert_eq!(core.gpr[2], 0x1337);
} // }
#[test] // #[test]
fn str_post_index() { // fn str_post_index() {
// strteq r2, [r4], -r7, asr #8 // // strteq r2, [r4], -r7, asr #8
let decoded = ArmInstruction::decode(0x06_24_24_47, 0).unwrap(); // let decoded = ArmInstruction::decode(0x06_24_24_47, 0).unwrap();
assert_eq!(decoded.fmt, ArmFormat::LDR_STR); // assert_eq!(decoded.fmt, ArmFormat::LDR_STR);
assert_eq!(decoded.cond, ArmCond::EQ); // assert_eq!(decoded.cond, ArmCond::EQ);
assert_eq!(decoded.load_flag(), false); // assert_eq!(decoded.load_flag(), false);
assert_eq!(decoded.pre_index_flag(), false); // assert_eq!(decoded.pre_index_flag(), false);
assert_eq!(decoded.write_back_flag(), true); // assert_eq!(decoded.write_back_flag(), true);
assert_eq!(decoded.rd(), 2); // assert_eq!(decoded.rd(), 2);
assert_eq!(decoded.rn(), 4); // assert_eq!(decoded.rn(), 4);
assert_eq!( // assert_eq!(
decoded.ldr_str_offset(), // decoded.ldr_str_offset(),
BarrelShifterValue::ShiftedRegister(ShiftedRegister { // BarrelShifterValue::ShiftedRegister(ShiftedRegister {
reg: 7, // reg: 7,
shift_by: ShiftRegisterBy::ByAmount(8), // shift_by: ShiftRegisterBy::ByAmount(8),
bs_op: BarrelShiftOpCode::ASR, // bs_op: BarrelShiftOpCode::ASR,
added: Some(false) // added: Some(false)
}) // })
); // );
assert_eq!(format!("{}", decoded), "strteq\tr2, [r4], -r7, asr #8"); // assert_eq!(format!("{}", decoded), "strteq\tr2, [r4], -r7, asr #8");
let mut core = Core::new(); // let mut core = Core::new();
core.cpsr.set_Z(true); // core.cpsr.set_Z(true);
core.gpr[4] = 0x0; // core.gpr[4] = 0x0;
core.gpr[7] = 1; // core.gpr[7] = 1;
core.gpr[2] = 0xabababab; // core.gpr[2] = 0xabababab;
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // /* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(mem.read_32(0), 0xabababab); // assert_eq!(mem.read_32(0), 0xabababab);
} // }
#[test] // #[test]
fn str_pre_index() { // fn str_pre_index() {
// str r4, [sp, 0x10] // // str r4, [sp, 0x10]
let decoded = ArmInstruction::decode(0xe58d4010, 0).unwrap(); // let decoded = ArmInstruction::decode(0xe58d4010, 0).unwrap();
assert_eq!(decoded.fmt, ArmFormat::LDR_STR); // assert_eq!(decoded.fmt, ArmFormat::LDR_STR);
assert_eq!(decoded.cond, ArmCond::AL); // assert_eq!(decoded.cond, ArmCond::AL);
let mut core = Core::new(); // let mut core = Core::new();
core.set_reg(4, 0x12345678); // core.set_reg(4, 0x12345678);
core.set_reg(REG_SP, 0); // core.set_reg(REG_SP, 0);
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 0: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 0: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 4: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 4: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 8: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 8: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* c: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* c: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 10: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 10: */ 0xaa, 0xbb, 0xcc, 0xdd,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
assert_ne!(mem.read_32(core.get_reg(REG_SP) + 0x10), 0x12345678); // assert_ne!(mem.read_32(core.get_reg(REG_SP) + 0x10), 0x12345678);
core.exec_arm(&mut mem, decoded).unwrap(); // core.exec_arm(&mut mem, decoded).unwrap();
assert_eq!(mem.read_32(core.get_reg(REG_SP) + 0x10), 0x12345678); // assert_eq!(mem.read_32(core.get_reg(REG_SP) + 0x10), 0x12345678);
} // }
} // }

8
src/core/arm7tdmi/mod.rs
View file

@ -198,11 +198,3 @@ impl fmt::Display for CpuError {
} }
pub type CpuResult<T> = Result<T, CpuError>; pub type CpuResult<T> = Result<T, CpuError>;
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}

216
src/core/arm7tdmi/thumb/mod.rs
View file

@ -340,126 +340,126 @@ impl ThumbInstruction {
} }
} }
#[cfg(test)] // #[cfg(test)]
/// All instructions constants were generated using an ARM assembler. // /// All instructions constants were generated using an ARM assembler.
mod tests { // mod tests {
use super::super::Core; // use super::super::Core;
use super::*; // use super::*;
use crate::core::sysbus::BoxedMemory; // use crate::core::sysbus::BoxedMemory;
use crate::core::Bus; // use crate::core::Bus;
#[test] // #[test]
fn mov_low_reg() { // fn mov_low_reg() {
let bytes = vec![]; // let bytes = vec![];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
let mut core = Core::new(); // let mut core = Core::new();
core.set_reg(0, 0); // core.set_reg(0, 0);
// movs r0, #0x27 // // movs r0, #0x27
let insn = ThumbInstruction::decode(0x2027, 0).unwrap(); // let insn = ThumbInstruction::decode(0x2027, 0).unwrap();
assert_eq!(format!("{}", insn), "mov\tr0, #0x27"); // assert_eq!(format!("{}", insn), "mov\tr0, #0x27");
core.exec_thumb(&mut mem, insn).unwrap(); // core.exec_thumb(&mut mem, insn).unwrap();
assert_eq!(core.get_reg(0), 0x27); // assert_eq!(core.get_reg(0), 0x27);
} // }
// #[test] // // #[test]
// fn decode_add_sub() { // // fn decode_add_sub() {
// let insn = ThumbInstruction::decode(0xac19, 0).unwrap(); // // let insn = ThumbInstruction::decode(0xac19, 0).unwrap();
// assert!(format!("add\tr4, r4")) // // assert!(format!("add\tr4, r4"))
// } // // }
#[test] // #[test]
fn ldr_pc() { // fn ldr_pc() {
// ldr r0, [pc, #4] // // ldr r0, [pc, #4]
let insn = ThumbInstruction::decode(0x4801, 0x6).unwrap(); // let insn = ThumbInstruction::decode(0x4801, 0x6).unwrap();
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 0: */ 0x00, 0x00, // /* 0: */ 0x00, 0x00,
/* 2: */ 0x00, 0x00, // /* 2: */ 0x00, 0x00,
/* 4: */ 0x00, 0x00, // /* 4: */ 0x00, 0x00,
/* 6: <pc> */ 0x00, 0x00, // /* 6: <pc> */ 0x00, 0x00,
/* 8: */ 0x00, 0x00, 0x00, 0x00, // /* 8: */ 0x00, 0x00, 0x00, 0x00,
/* c: */ 0x78, 0x56, 0x34, 0x12, // /* c: */ 0x78, 0x56, 0x34, 0x12,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
let mut core = Core::new(); // let mut core = Core::new();
core.set_reg(0, 0); // core.set_reg(0, 0);
assert_eq!(format!("{}", insn), "ldr\tr0, [pc, #0x4] ; = #0xc"); // assert_eq!(format!("{}", insn), "ldr\tr0, [pc, #0x4] ; = #0xc");
core.exec_thumb(&mut mem, insn).unwrap(); // core.exec_thumb(&mut mem, insn).unwrap();
assert_eq!(core.get_reg(0), 0x12345678); // assert_eq!(core.get_reg(0), 0x12345678);
} // }
#[test] // #[test]
fn ldr_str_reg_offset() { // fn ldr_str_reg_offset() {
// str r0, [r4, r1] // // str r0, [r4, r1]
let str_insn = ThumbInstruction::decode(0x5060, 0x6).unwrap(); // let str_insn = ThumbInstruction::decode(0x5060, 0x6).unwrap();
// ldrb r2, [r4, r1] // // ldrb r2, [r4, r1]
let ldr_insn = ThumbInstruction::decode(0x5c62, 0x6).unwrap(); // let ldr_insn = ThumbInstruction::decode(0x5c62, 0x6).unwrap();
let mut core = Core::new(); // let mut core = Core::new();
core.set_reg(0, 0x12345678); // core.set_reg(0, 0x12345678);
core.set_reg(2, 0); // core.set_reg(2, 0);
core.set_reg(1, 0x4); // core.set_reg(1, 0x4);
core.set_reg(4, 0xc); // core.set_reg(4, 0xc);
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 00h: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 00h: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 04h: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 04h: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 08h: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 08h: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 0ch: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 0ch: */ 0xaa, 0xbb, 0xcc, 0xdd,
/* 10h: */ 0xaa, 0xbb, 0xcc, 0xdd, // /* 10h: */ 0xaa, 0xbb, 0xcc, 0xdd,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
assert_eq!(format!("{}", str_insn), "str\tr0, [r4, r1]"); // assert_eq!(format!("{}", str_insn), "str\tr0, [r4, r1]");
assert_eq!(format!("{}", ldr_insn), "ldrb\tr2, [r4, r1]"); // assert_eq!(format!("{}", ldr_insn), "ldrb\tr2, [r4, r1]");
core.exec_thumb(&mut mem, str_insn).unwrap(); // core.exec_thumb(&mut mem, str_insn).unwrap();
assert_eq!(mem.read_32(0x10), 0x12345678); // assert_eq!(mem.read_32(0x10), 0x12345678);
core.exec_thumb(&mut mem, ldr_insn).unwrap(); // core.exec_thumb(&mut mem, ldr_insn).unwrap();
assert_eq!(core.get_reg(2), 0x78); // assert_eq!(core.get_reg(2), 0x78);
} // }
#[allow(overflowing_literals)] // #[allow(overflowing_literals)]
#[test] // #[test]
fn format8() { // fn format8() {
let mut core = Core::new(); // let mut core = Core::new();
#[rustfmt::skip] // #[rustfmt::skip]
let bytes = vec![ // let bytes = vec![
/* 00h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd, // /* 00h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
/* 08h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd, // /* 08h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
/* 10h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd, // /* 10h: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
]; // ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff); // let mut mem = BoxedMemory::new(bytes.into_boxed_slice(), 0xffff_ffff);
core.gpr[4] = 0x12345678; // core.gpr[4] = 0x12345678;
core.gpr[3] = 0x2; // core.gpr[3] = 0x2;
core.gpr[0] = 0x4; // core.gpr[0] = 0x4;
// strh r4, [r3, r0] // // strh r4, [r3, r0]
let decoded = ThumbInstruction::decode(0x521c, 0).unwrap(); // let decoded = ThumbInstruction::decode(0x521c, 0).unwrap();
assert_eq!(format!("{}", decoded), "strh\tr4, [r3, r0]"); // assert_eq!(format!("{}", decoded), "strh\tr4, [r3, r0]");
core.exec_thumb(&mut mem, decoded).unwrap(); // core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(&mem.get_bytes(0x6)[..4], [0x78, 0x56, 0xaa, 0xbb]); // assert_eq!(&mem.get_bytes(0x6)[..4], [0x78, 0x56, 0xaa, 0xbb]);
// ldsb r2, [r7, r1] // // ldsb r2, [r7, r1]
core.gpr[2] = 0; // core.gpr[2] = 0;
core.gpr[7] = 0x10; // core.gpr[7] = 0x10;
core.gpr[1] = 0x5; // core.gpr[1] = 0x5;
let decoded = ThumbInstruction::decode(0x567a, 0).unwrap(); // let decoded = ThumbInstruction::decode(0x567a, 0).unwrap();
assert_eq!(format!("{}", decoded), "ldsb\tr2, [r7, r1]"); // assert_eq!(format!("{}", decoded), "ldsb\tr2, [r7, r1]");
core.exec_thumb(&mut mem, decoded).unwrap(); // core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(core.gpr[2], mem.read_8(0x15) as i8 as u32); // assert_eq!(core.gpr[2], mem.read_8(0x15) as i8 as u32);
// ldsh r3, [r4, r2] // // ldsh r3, [r4, r2]
core.gpr[3] = 0x0; // core.gpr[3] = 0x0;
core.gpr[4] = 0x0; // core.gpr[4] = 0x0;
core.gpr[2] = 0x6; // core.gpr[2] = 0x6;
let decoded = ThumbInstruction::decode(0x5ea3, 0).unwrap(); // let decoded = ThumbInstruction::decode(0x5ea3, 0).unwrap();
assert_eq!(format!("{}", decoded), "ldsh\tr3, [r4, r2]"); // assert_eq!(format!("{}", decoded), "ldsh\tr3, [r4, r2]");
core.exec_thumb(&mut mem, decoded).unwrap(); // core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(core.gpr[3], 0x5678); // assert_eq!(core.gpr[3], 0x5678);
} // }
} // }