mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-27 16:31:31 +00:00
Switch to templated test function.
This commit is contained in:
Thomas Harte
parent
95976d8b58
commit
dc37b692cf
@ -9,93 +9,55 @@
|
||||
#import <XCTest/XCTest.h>
|
||||
|
||||
#include <initializer_list>
|
||||
#include <optional>
|
||||
#include <vector>
|
||||
#include "../../../InstructionSets/x86/Decoder.hpp"
|
||||
|
||||
namespace {
|
||||
using Operation = InstructionSet::x86::Operation;
|
||||
using Instruction = InstructionSet::x86::Instruction<false>;
|
||||
using Source = InstructionSet::x86::Source;
|
||||
using Size = InstructionSet::x86::Size;
|
||||
using ScaleIndexBase = InstructionSet::x86::ScaleIndexBase;
|
||||
using SourceSIB = InstructionSet::x86::SourceSIB;
|
||||
}
|
||||
|
||||
@interface x86DecoderTests : XCTestCase
|
||||
@end
|
||||
|
||||
/*!
|
||||
Tests 8086 decoding by throwing a bunch of randomly-generated
|
||||
word streams and checking that the result matches what I got from a
|
||||
disassembler elsewhere.
|
||||
*/
|
||||
@implementation x86DecoderTests {
|
||||
std::vector<Instruction> instructions;
|
||||
}
|
||||
using Operation = InstructionSet::x86::Operation;
|
||||
using Instruction = InstructionSet::x86::Instruction<false>;
|
||||
using Model = InstructionSet::x86::Model;
|
||||
using Source = InstructionSet::x86::Source;
|
||||
using Size = InstructionSet::x86::Size;
|
||||
using ScaleIndexBase = InstructionSet::x86::ScaleIndexBase;
|
||||
using SourceSIB = InstructionSet::x86::SourceSIB;
|
||||
|
||||
// MARK: - Specific instruction asserts.
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation {
|
||||
template <typename InstructionT> void test(const InstructionT &instruction, int size, Operation operation) {
|
||||
XCTAssertEqual(instruction.operation_size(), InstructionSet::x86::Size(size));
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.operation_size(), InstructionSet::x86::Size(size));
|
||||
}
|
||||
template <typename InstructionT> void test(
|
||||
const InstructionT &instruction,
|
||||
int size,
|
||||
Operation operation,
|
||||
SourceSIB source,
|
||||
std::optional<SourceSIB> destination = std::nullopt,
|
||||
std::optional<typename InstructionT::ImmediateT> operand = std::nullopt,
|
||||
std::optional<typename InstructionT::DisplacementT> displacement = std::nullopt) {
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(SourceSIB)source destination:(SourceSIB)destination displacement:(int16_t)displacement {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.operation_size(), InstructionSet::x86::Size(size));
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssert(instruction.source() == source);
|
||||
XCTAssert(instruction.destination() == destination);
|
||||
XCTAssertEqual(instruction.displacement(), displacement);
|
||||
if(destination) XCTAssert(instruction.destination() == *destination);
|
||||
if(operand) XCTAssertEqual(instruction.operand(), *operand);
|
||||
if(displacement) XCTAssertEqual(instruction.displacement(), *displacement);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(SourceSIB)source destination:(SourceSIB)destination displacement:(int16_t)displacement operand:(uint16_t)operand {
|
||||
[self assert:instruction operation:operation size:size source:source destination:destination displacement:displacement];
|
||||
XCTAssertEqual(instruction.operand(), operand);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(SourceSIB)source destination:(SourceSIB)destination operand:(uint16_t)operand {
|
||||
[self assert:instruction operation:operation size:size source:source destination:destination displacement:0 operand:operand];
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(SourceSIB)source destination:(SourceSIB)destination {
|
||||
[self assert:instruction operation:operation size:size source:source destination:destination displacement:0];
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(SourceSIB)source {
|
||||
template <typename InstructionT> void test(
|
||||
const InstructionT &instruction,
|
||||
Operation operation,
|
||||
std::optional<typename InstructionT::ImmediateT> operand = std::nullopt,
|
||||
std::optional<typename InstructionT::DisplacementT> displacement = std::nullopt) {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.operation_size(), InstructionSet::x86::Size(size));
|
||||
XCTAssert(instruction.source() == source);
|
||||
if(operand) XCTAssertEqual(instruction.operand(), *operand);
|
||||
if(displacement) XCTAssertEqual(instruction.displacement(), *displacement);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size destination:(SourceSIB)destination {
|
||||
[self assert:instruction operation:operation size:size];
|
||||
XCTAssert(instruction.destination() == destination);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size operand:(uint16_t)operand destination:(SourceSIB)destination {
|
||||
[self assert:instruction operation:operation size:size];
|
||||
XCTAssert(instruction.destination() == destination);
|
||||
XCTAssert(instruction.source() == SourceSIB(Source::Immediate));
|
||||
XCTAssertEqual(instruction.operand(), operand);
|
||||
XCTAssertEqual(instruction.displacement(), 0);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation displacement:(int16_t)displacement {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.displacement(), displacement);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation operand:(uint16_t)operand {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.operand(), operand);
|
||||
XCTAssertEqual(instruction.displacement(), 0);
|
||||
}
|
||||
|
||||
- (void)assert:(Instruction &)instruction operation:(Operation)operation segment:(uint16_t)segment offset:(uint16_t)offset {
|
||||
template <typename InstructionT> void test_far(const InstructionT &instruction, Operation operation, uint16_t segment, uint16_t offset) {
|
||||
XCTAssertEqual(instruction.operation, operation);
|
||||
XCTAssertEqual(instruction.segment(), segment);
|
||||
XCTAssertEqual(instruction.offset(), offset);
|
||||
@ -103,9 +65,10 @@ namespace {
|
||||
|
||||
// MARK: - Decoder
|
||||
|
||||
- (void)decode:(const std::initializer_list<uint8_t> &)stream {
|
||||
template <Model model> std::vector<typename InstructionSet::x86::Decoder<model>::InstructionT> decode(const std::initializer_list<uint8_t> &stream) {
|
||||
// Decode by offering up all data at once.
|
||||
InstructionSet::x86::Decoder<InstructionSet::x86::Model::i8086> decoder;
|
||||
std::vector<typename InstructionSet::x86::Decoder<model>::InstructionT> instructions;
|
||||
InstructionSet::x86::Decoder<model> decoder;
|
||||
instructions.clear();
|
||||
const uint8_t *byte = stream.begin();
|
||||
while(byte != stream.end()) {
|
||||
@ -117,7 +80,7 @@ namespace {
|
||||
|
||||
// Grab a byte-at-a-time decoding and check that it matches the previous.
|
||||
{
|
||||
InstructionSet::x86::Decoder<InstructionSet::x86::Model::i8086> decoder;
|
||||
InstructionSet::x86::Decoder<model> decoder;
|
||||
|
||||
auto previous_instruction = instructions.begin();
|
||||
for(auto item: stream) {
|
||||
@ -128,9 +91,21 @@ namespace {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return instructions;
|
||||
}
|
||||
|
||||
// MARK: - Tests
|
||||
}
|
||||
|
||||
@interface x86DecoderTests : XCTestCase
|
||||
@end
|
||||
|
||||
/*!
|
||||
Tests 8086 decoding by throwing a bunch of randomly-generated
|
||||
word streams and checking that the result matches what I got from a
|
||||
disassembler elsewhere.
|
||||
*/
|
||||
@implementation x86DecoderTests
|
||||
|
||||
- (void)testSequence1 {
|
||||
// Sequences the Online Disassembler believes to exist but The 8086 Book does not:
|
||||
@ -141,7 +116,7 @@ namespace {
|
||||
// 0x6c insb (%dx), %es:(%di)
|
||||
// 0xc9 leave
|
||||
//
|
||||
[self decode:{
|
||||
const auto instructions = decode<Model::i8086>({
|
||||
0x2d, 0x77, 0xea, 0x72, 0xfc, 0x4b, 0xb5, 0x28, 0xc3, 0xca, 0x26, 0x48, /* 0x65, 0x6d, */ 0x7b, 0x9f,
|
||||
0xc2, 0x65, 0x42, 0x4e, 0xef, 0x70, 0x20, 0x94, 0xc4, 0xd4, 0x93, 0x43, 0x3c, 0x8e, /* 0x6a, 0x65, */
|
||||
0x1a, 0x78, 0x45, 0x10, 0x7f, 0x3c, 0x19, 0x5a, 0x16, 0x31, 0x64, 0x2c, 0xe7, 0xc6, 0x7d, 0xb0,
|
||||
@ -150,7 +125,7 @@ namespace {
|
||||
0xbd, 0xa1, 0x12, 0xc5, 0x29, /* 0xc9, */ 0x9e, 0xd8, 0xf3, 0xcf, 0x92, 0x39, 0x5d, 0x90, 0x15, 0xc3,
|
||||
0xb8, 0xad, 0xe8, 0xc8, 0x16, 0x4a, 0xb0, 0x9e, 0xf9, 0xbf, 0x56, 0xea, 0x4e, 0xfd, 0xe4, 0x5a,
|
||||
0x23, 0xaa, 0x2c, 0x5b, 0x2a, 0xd2, 0xf7, 0x5f, 0x18, 0x86, 0x90, 0x25, 0x64, 0xb7, 0xc3
|
||||
}];
|
||||
});
|
||||
|
||||
// 63 instructions are expected.
|
||||
XCTAssertEqual(instructions.size(), 63);
|
||||
@ -159,29 +134,29 @@ namespace {
|
||||
// jb 0x00000001
|
||||
// dec %bx
|
||||
// mov $0x28,%ch
|
||||
[self assert:instructions[0] operation:Operation::SUB size:2 operand:0xea77 destination:Source::eAX];
|
||||
[self assert:instructions[1] operation:Operation::JB displacement:0xfffc];
|
||||
[self assert:instructions[2] operation:Operation::DEC size:2 source:Source::eBX destination:Source::eBX];
|
||||
[self assert:instructions[3] operation:Operation::MOV size:1 operand:0x28 destination:Source::CH];
|
||||
test(instructions[0], 2, Operation::SUB, Source::Immediate, Source::eAX, 0xea77);
|
||||
test(instructions[1], Operation::JB, std::nullopt, 0xfffc);
|
||||
test(instructions[2], 2, Operation::DEC, Source::eBX, Source::eBX);
|
||||
test(instructions[3], 1, Operation::MOV, Source::Immediate, Source::CH, 0x28);
|
||||
|
||||
// ret
|
||||
// lret $0x4826
|
||||
// [[ omitted: gs insw (%dx),%es:(%di) ]]
|
||||
// jnp 0xffffffaf
|
||||
// ret $0x4265
|
||||
[self assert:instructions[4] operation:Operation::RETN];
|
||||
[self assert:instructions[5] operation:Operation::RETF operand:0x4826];
|
||||
[self assert:instructions[6] operation:Operation::JNP displacement:0xff9f];
|
||||
[self assert:instructions[7] operation:Operation::RETN operand:0x4265];
|
||||
test(instructions[4], Operation::RETN);
|
||||
test(instructions[5], Operation::RETF, 0x4826);
|
||||
test(instructions[6], Operation::JNP, std::nullopt, 0xff9f);
|
||||
test(instructions[7], Operation::RETN, 0x4265);
|
||||
|
||||
// dec %si
|
||||
// out %ax,(%dx)
|
||||
// jo 0x00000037
|
||||
// xchg %ax,%sp
|
||||
[self assert:instructions[8] operation:Operation::DEC size:2 source:Source::eSI destination:Source::eSI];
|
||||
[self assert:instructions[9] operation:Operation::OUT size:2 source:Source::eAX destination:Source::eDX];
|
||||
[self assert:instructions[10] operation:Operation::JO displacement:0x20];
|
||||
[self assert:instructions[11] operation:Operation::XCHG size:2 source:Source::eAX destination:Source::eSP];
|
||||
test(instructions[8], 2, Operation::DEC, Source::eSI, Source::eSI);
|
||||
test(instructions[9], 2, Operation::OUT, Source::eAX, Source::eDX);
|
||||
test(instructions[10], Operation::JO, std::nullopt, 0x20);
|
||||
test(instructions[11], 2, Operation::XCHG, Source::eAX, Source::eSP);
|
||||
|
||||
// ODA has:
|
||||
// c4 (bad)
|
||||
@ -192,145 +167,148 @@ namespace {
|
||||
//
|
||||
// c4 d4 (bad)
|
||||
// 93 XCHG AX, BX
|
||||
[self assert:instructions[12] operation:Operation::Invalid];
|
||||
[self assert:instructions[13] operation:Operation::XCHG size:2 source:Source::eAX destination:Source::eBX];
|
||||
test(instructions[12], Operation::Invalid);
|
||||
test(instructions[13], 2, Operation::XCHG, Source::eAX, Source::eBX);
|
||||
|
||||
// inc %bx
|
||||
// cmp $0x8e,%al
|
||||
// [[ omitted: push $0x65 ]]
|
||||
// sbb 0x45(%bx,%si),%bh
|
||||
// adc %bh,0x3c(%bx)
|
||||
[self assert:instructions[14] operation:Operation::INC size:2 source:Source::eBX destination:Source::eBX];
|
||||
[self assert:instructions[15] operation:Operation::CMP size:1 operand:0x8e destination:Source::eAX];
|
||||
[self assert:instructions[16] operation:Operation::SBB size:1 source:ScaleIndexBase(Source::eBX, Source::eSI) destination:Source::BH displacement:0x45];
|
||||
[self assert:instructions[17] operation:Operation::ADC size:1 source:Source::BH destination:ScaleIndexBase(Source::eBX) displacement:0x3c];
|
||||
test(instructions[14], 2, Operation::INC, Source::eBX, Source::eBX);
|
||||
test(instructions[15], 1, Operation::CMP, Source::Immediate, Source::eAX, 0x8e);
|
||||
test(instructions[16], 1, Operation::SBB, ScaleIndexBase(Source::eBX, Source::eSI), Source::BH, std::nullopt, 0x45);
|
||||
test(instructions[17], 1, Operation::ADC, Source::BH, ScaleIndexBase(Source::eBX), std::nullopt, 0x3c);
|
||||
|
||||
// sbb %bx,0x16(%bp,%si)
|
||||
// xor %sp,0x2c(%si)
|
||||
// out %ax,$0xc6
|
||||
// jge 0xffffffe0
|
||||
[self assert:instructions[18] operation:Operation::SBB size:2 source:Source::eBX destination:ScaleIndexBase(Source::eBP, Source::eSI) displacement:0x16];
|
||||
[self assert:instructions[19] operation:Operation::XOR size:2 source:Source::eSP destination:ScaleIndexBase(Source::eSI) displacement:0x2c];
|
||||
[self assert:instructions[20] operation:Operation::OUT size:2 source:Source::eAX destination:Source::DirectAddress operand:0xc6];
|
||||
[self assert:instructions[21] operation:Operation::JNL displacement:0xffb0];
|
||||
test(instructions[18], 2, Operation::SBB, Source::eBX, ScaleIndexBase(Source::eBP, Source::eSI), std::nullopt, 0x16);
|
||||
test(instructions[19], 2, Operation::XOR, Source::eSP, ScaleIndexBase(Source::eSI), std::nullopt, 0x2c);
|
||||
test(instructions[20], 2, Operation::OUT, Source::eAX, Source::DirectAddress, 0xc6);
|
||||
test(instructions[21], Operation::JNL, std::nullopt, 0xffb0);
|
||||
|
||||
// mov $0x49,%ch
|
||||
// [[ omitted: addr32 popa ]]
|
||||
// mov $0xcbc0,%dx
|
||||
// adc $0x7e,%al
|
||||
// jno 0x0000000b
|
||||
[self assert:instructions[22] operation:Operation::MOV size:1 operand:0x49 destination:Source::CH];
|
||||
[self assert:instructions[23] operation:Operation::MOV size:2 operand:0xcbc0 destination:Source::eDX];
|
||||
[self assert:instructions[24] operation:Operation::ADC size:1 operand:0x7e destination:Source::eAX];
|
||||
[self assert:instructions[25] operation:Operation::JNO displacement:0xffd0];
|
||||
test(instructions[22], 1, Operation::MOV, Source::Immediate, Source::CH, 0x49);
|
||||
test(instructions[23], 2, Operation::MOV, Source::Immediate, Source::eDX, 0xcbc0);
|
||||
test(instructions[24], 1, Operation::ADC, Source::Immediate, Source::eAX, 0x7e);
|
||||
test(instructions[25], Operation::JNO, std::nullopt, 0xffd0);
|
||||
|
||||
// push %ax
|
||||
// js 0x0000007b
|
||||
// add (%di),%bx
|
||||
// in $0xc9,%ax
|
||||
[self assert:instructions[26] operation:Operation::PUSH size:2 source:Source::eAX];
|
||||
[self assert:instructions[27] operation:Operation::JS displacement:0x3d];
|
||||
[self assert:instructions[28] operation:Operation::ADD size:2 source:ScaleIndexBase(Source::eDI) destination:Source::eBX];
|
||||
[self assert:instructions[29] operation:Operation::IN size:2 source:Source::DirectAddress destination:Source::eAX operand:0xc9];
|
||||
test(instructions[26], 2, Operation::PUSH, Source::eAX);
|
||||
test(instructions[27], Operation::JS, std::nullopt, 0x3d);
|
||||
test(instructions[28], 2, Operation::ADD, ScaleIndexBase(Source::eDI), Source::eBX);
|
||||
test(instructions[29], 2, Operation::IN, Source::DirectAddress, Source::eAX, 0xc9);
|
||||
|
||||
// xchg %ax,%di
|
||||
// ret
|
||||
// fwait
|
||||
// out %al,$0xd3
|
||||
[self assert:instructions[30] operation:Operation::XCHG size:2 source:Source::eAX destination:Source::eDI];
|
||||
[self assert:instructions[31] operation:Operation::RETN];
|
||||
[self assert:instructions[32] operation:Operation::WAIT];
|
||||
[self assert:instructions[33] operation:Operation::OUT size:1 source:Source::eAX destination:Source::DirectAddress operand:0xd3];
|
||||
test(instructions[30], 2, Operation::XCHG, Source::eAX, Source::eDI);
|
||||
test(instructions[31], Operation::RETN);
|
||||
test(instructions[32], Operation::WAIT);
|
||||
test(instructions[33], 1, Operation::OUT, Source::eAX, Source::DirectAddress, 0xd3);
|
||||
|
||||
// [[ omitted: insb (%dx),%es:(%di) ]]
|
||||
// pop %ax
|
||||
// dec %bp
|
||||
// jbe 0xffffffcc
|
||||
// inc %sp
|
||||
[self assert:instructions[34] operation:Operation::POP size:2 destination:Source::eAX];
|
||||
[self assert:instructions[35] operation:Operation::DEC size:2 source:Source::eBP destination:Source::eBP];
|
||||
[self assert:instructions[36] operation:Operation::JBE displacement:0xff80];
|
||||
[self assert:instructions[37] operation:Operation::INC size:2 source:Source::eSP destination:Source::eSP];
|
||||
test(instructions[34], 2, Operation::POP, Source::eAX);
|
||||
test(instructions[35], 2, Operation::DEC, Source::eBP, Source::eBP);
|
||||
test(instructions[36], Operation::JBE, std::nullopt, 0xff80);
|
||||
test(instructions[37], 2, Operation::INC, Source::eSP, Source::eSP);
|
||||
|
||||
// (bad)
|
||||
// lahf
|
||||
// movsw %ds:(%si),%es:(%di)
|
||||
// mov $0x12a1,%bp
|
||||
[self assert:instructions[38] operation:Operation::Invalid];
|
||||
[self assert:instructions[39] operation:Operation::LAHF];
|
||||
[self assert:instructions[40] operation:Operation::MOVS size:2];
|
||||
[self assert:instructions[41] operation:Operation::MOV size:2 operand:0x12a1 destination:Source::eBP];
|
||||
test(instructions[38], Operation::Invalid);
|
||||
test(instructions[39], Operation::LAHF);
|
||||
test(instructions[40], 2, Operation::MOVS); /* Arguments are implicit. */
|
||||
test(instructions[41], 2, Operation::MOV, Source::Immediate, Source::eBP, 0x12a1);
|
||||
|
||||
// lds (%bx,%di),%bp
|
||||
// [[ omitted: leave ]]
|
||||
// sahf
|
||||
// fdiv %st(3),%st
|
||||
// iret
|
||||
[self assert:instructions[42] operation:Operation::LDS size:2];
|
||||
[self assert:instructions[43] operation:Operation::SAHF];
|
||||
[self assert:instructions[44] operation:Operation::ESC];
|
||||
[self assert:instructions[45] operation:Operation::IRET];
|
||||
test(instructions[42], 2, Operation::LDS);
|
||||
test(instructions[43], Operation::SAHF);
|
||||
test(instructions[44], Operation::ESC);
|
||||
test(instructions[45], Operation::IRET);
|
||||
|
||||
// xchg %ax,%dx
|
||||
// cmp %bx,-0x70(%di)
|
||||
// adc $0xb8c3,%ax
|
||||
// lods %ds:(%si),%ax
|
||||
[self assert:instructions[46] operation:Operation::XCHG size:2 source:Source::eAX destination:Source::eDX];
|
||||
[self assert:instructions[47] operation:Operation::CMP size:2 source:Source::eBX destination:ScaleIndexBase(Source::eDI) displacement:0xff90];
|
||||
[self assert:instructions[48] operation:Operation::ADC size:2 operand:0xb8c3 destination:Source::eAX];
|
||||
[self assert:instructions[49] operation:Operation::LODS size:2];
|
||||
test(instructions[46], 2, Operation::XCHG, Source::eAX, Source::eDX);
|
||||
test(instructions[47], 2, Operation::CMP, Source::eBX, ScaleIndexBase(Source::eDI), std::nullopt, 0xff90);
|
||||
test(instructions[48], 2, Operation::ADC, Source::Immediate, Source::eAX, 0xb8c3);
|
||||
test(instructions[49], 2, Operation::LODS);
|
||||
|
||||
// call 0x0000172d
|
||||
// dec %dx
|
||||
// mov $0x9e,%al
|
||||
// stc
|
||||
[self assert:instructions[50] operation:Operation::CALLD operand:0x16c8];
|
||||
[self assert:instructions[51] operation:Operation::DEC size:2 source:Source::eDX destination:Source::eDX];
|
||||
[self assert:instructions[52] operation:Operation::MOV size:1 operand:0x9e destination:Source::eAX];
|
||||
[self assert:instructions[53] operation:Operation::STC];
|
||||
test(instructions[50], Operation::CALLD, uint16_t(0x16c8));
|
||||
test(instructions[51], 2, Operation::DEC, Source::eDX, Source::eDX);
|
||||
test(instructions[52], 1, Operation::MOV, Source::Immediate, Source::eAX, 0x9e);
|
||||
test(instructions[53], Operation::STC);
|
||||
|
||||
// mov $0xea56,%di
|
||||
// dec %si
|
||||
// std
|
||||
// in $0x5a,%al
|
||||
[self assert:instructions[54] operation:Operation::MOV size:2 operand:0xea56 destination:Source::eDI];
|
||||
[self assert:instructions[55] operation:Operation::DEC size:2 source:Source::eSI destination:Source::eSI];
|
||||
[self assert:instructions[56] operation:Operation::STD];
|
||||
[self assert:instructions[57] operation:Operation::IN size:1 source:Source::DirectAddress destination:Source::eAX operand:0x5a];
|
||||
test(instructions[54], 2, Operation::MOV, Source::Immediate, Source::eDI, 0xea56);
|
||||
test(instructions[55], 2, Operation::DEC, Source::eSI, Source::eSI);
|
||||
test(instructions[56], Operation::STD);
|
||||
test(instructions[57], 1, Operation::IN, Source::DirectAddress, Source::eAX, 0x5a);
|
||||
|
||||
// and 0x5b2c(%bp,%si),%bp
|
||||
// sub %dl,%dl
|
||||
// negw 0x18(%bx)
|
||||
// xchg %dl,0x6425(%bx,%si)
|
||||
[self assert:instructions[58] operation:Operation::AND size:2 source:ScaleIndexBase(Source::eBP, Source::eSI) destination:Source::eBP displacement:0x5b2c];
|
||||
[self assert:instructions[59] operation:Operation::SUB size:1 source:Source::eDX destination:Source::eDX];
|
||||
[self assert:instructions[60] operation:Operation::NEG size:2 source:ScaleIndexBase(Source::eBX) destination:ScaleIndexBase(Source::eBX) displacement:0x18];
|
||||
[self assert:instructions[61] operation:Operation::XCHG size:1 source:ScaleIndexBase(Source::eBX, Source::eSI) destination:Source::eDX displacement:0x6425];
|
||||
test(instructions[58], 2, Operation::AND, ScaleIndexBase(Source::eBP, Source::eSI), Source::eBP, std::nullopt, 0x5b2c);
|
||||
test(instructions[59], 1, Operation::SUB, Source::eDX, Source::eDX);
|
||||
test(instructions[60], 2, Operation::NEG, ScaleIndexBase(Source::eBX), ScaleIndexBase(Source::eBX), std::nullopt, 0x18);
|
||||
test(instructions[61], 1, Operation::XCHG, ScaleIndexBase(Source::eBX, Source::eSI), Source::eDX, std::nullopt, 0x6425);
|
||||
|
||||
// mov $0xc3,%bh
|
||||
[self assert:instructions[62] operation:Operation::MOV size:1 operand:0xc3 destination:Source::BH];
|
||||
test(instructions[62], 1, Operation::MOV, Source::Immediate, Source::BH, 0xc3);
|
||||
}
|
||||
|
||||
- (void)test83 {
|
||||
[self decode:{
|
||||
const auto instructions = decode<Model::i8086>({
|
||||
0x83, 0x10, 0x80, // adcw $0xff80,(%bx,%si)
|
||||
0x83, 0x3b, 0x04, // cmpw $0x4,(%bp,%di)
|
||||
0x83, 0x2f, 0x09, // subw $0x9,(%bx)
|
||||
}];
|
||||
});
|
||||
|
||||
XCTAssertEqual(instructions.size(), 3);
|
||||
[self assert:instructions[0] operation:Operation::ADC size:2 source:Source::Immediate destination:ScaleIndexBase(Source::eBX, Source::eSI) operand:0xff80];
|
||||
[self assert:instructions[1] operation:Operation::CMP size:2 source:Source::Immediate destination:ScaleIndexBase(Source::eBP, Source::eDI) operand:0x4];
|
||||
[self assert:instructions[2] operation:Operation::SUB size:2 source:Source::Immediate destination:ScaleIndexBase(Source::eBX) operand:0x9];
|
||||
test(instructions[0], 2, Operation::ADC, Source::Immediate, ScaleIndexBase(Source::eBX, Source::eSI), 0xff80);
|
||||
test(instructions[1], 2, Operation::CMP, Source::Immediate, ScaleIndexBase(Source::eBP, Source::eDI), 0x4);
|
||||
test(instructions[2], 2, Operation::SUB, Source::Immediate, ScaleIndexBase(Source::eBX), 0x9);
|
||||
}
|
||||
|
||||
- (void)testFar {
|
||||
[self decode:{
|
||||
const auto instructions = decode<Model::i8086>({
|
||||
0x9a, 0x12, 0x34, 0x56, 0x78, // lcall 0x7856, 0x3412
|
||||
}];
|
||||
});
|
||||
|
||||
XCTAssertEqual(instructions.size(), 1);
|
||||
[self assert:instructions[0] operation:Operation::CALLF segment:0x7856 offset:0x3412];
|
||||
test_far(instructions[0], Operation::CALLF, 0x7856, 0x3412);
|
||||
}
|
||||
|
||||
- (void)testSequence2 {
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
Loading…
Reference in New Issue
Block a user