6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-07-05 10:28:58 +00:00
Code Issues Projects Releases Wiki Activity
8ab77a3260
CLK/OSBindings/Mac/Clock SignalTests/DingusdevPowerPCTests.mm

1034 lines
28 KiB
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

//
// DingusdevPowerPCTests.mm
// Clock Signal
//
// Created by Thomas Harte on 18/03/2022.
// Copyright 2022 Thomas Harte. All rights reserved.
//
#import <XCTest/XCTest.h>
#include <cstdlib>
#include "../../../InstructionSets/PowerPC/Decoder.hpp"
using namespace InstructionSet::PowerPC;
@interface NSString (HexConversion)
- (long int)hexInt;
@end
@implementation NSString (HexConversion)
- (long int)hexInt {
return strtol([self UTF8String], NULL, 16);
}
@end
@interface DingusdevPowerPCTests : XCTestCase
@end
namespace {
enum class NamingConvention {
None = 0,
ApplyO = 1,
ApplyE = 2,
ApplyOE = 3
};
/// Converts any underscores in @c rhs to dots.
///
/// If convention != NamingConvention::None, trims the trailing 'x' from the @c rhs and
/// appends one or more of @c o and @c . depending on the @c oe() and @c rc() flags of @c instruction.
///
/// Then compares with the @c lhs.
void AssertEqualOperationName(NSString *lhs, NSString *rhs, Instruction instruction = Instruction(), NamingConvention convention = NamingConvention::None) {
rhs = [rhs stringByReplacingOccurrencesOfString:@"_" withString:@"."];
if(convention != NamingConvention::None) {
XCTAssert([rhs characterAtIndex:rhs.length - 1] == 'x');
rhs = [rhs substringToIndex:rhs.length - 1];
}
if(int(convention) & int(NamingConvention::ApplyO) && instruction.oe()) rhs = [rhs stringByAppendingString:@"o"];
if(int(convention) & int(NamingConvention::ApplyE) && instruction.rc()) rhs = [rhs stringByAppendingString:@"."];
XCTAssertEqualObjects(lhs, rhs);
}
void AssertEqualOperationNameE(NSString *lhs, NSString *rhs, Instruction instruction) {
AssertEqualOperationName(lhs, rhs, instruction, NamingConvention::ApplyE);
}
void AssertEqualOperationNameOE(NSString *lhs, NSString *rhs, Instruction instruction) {
AssertEqualOperationName(lhs, rhs, instruction, NamingConvention::ApplyOE);
}
/// Forms the string @c r[reg] and compares it to @c name
void AssertEqualR(NSString *name, uint32_t reg, bool permitR0 = true) {
NSString *const regName = (reg || permitR0) ? [NSString stringWithFormat:@"r%d", reg] : @"0";
XCTAssertEqualObjects(name, regName);
}
/// Forms the string @c f[reg] and compares it to @c name
void AssertEqualFR(NSString *name, uint32_t reg, bool permitR0 = true) {
NSString *const regName = (reg || permitR0) ? [NSString stringWithFormat:@"f%d", reg] : @"0";
XCTAssertEqualObjects(name, regName);
}
/// @returns the text name of the condition code @c code
NSString *condition(uint32_t code) {
NSString *suffix;
switch(Condition(code & 3)) {
default: break;
case Condition::Negative: suffix = @"lt"; break;
case Condition::Positive: suffix = @"gt"; break;
case Condition::Zero: suffix = @"eq"; break;
case Condition::SummaryOverflow: suffix = @"so"; break;
}
if(code & ~3) {
return [NSString stringWithFormat:@"4*cr%d+%@", code >> 2, suffix];
} else {
return suffix;
}
}
NSString *conditionreg(uint32_t code) {
return [NSString stringWithFormat:@"cr%d", code];
}
NSString *offset(Instruction instruction) {
NSString *const hexPart = [NSString stringWithFormat:@"%s%X", (instruction.d() < 0) ? "-0x" : "0x", abs(instruction.d())];
if(instruction.rA()) {
return [hexPart stringByAppendingFormat:@"(r%d)", instruction.rA()];
} else {
return hexPart;
}
}
}
@implementation DingusdevPowerPCTests
- (void)testDecoding {
NSData *const testData =
[NSData dataWithContentsOfURL:
[[NSBundle bundleForClass:[self class]]
URLForResource:@"ppcdisasmtest"
withExtension:@"csv"
subdirectory:@"dingusdev PowerPC tests"]];
NSString *const wholeFile = [[NSString alloc] initWithData:testData encoding:NSUTF8StringEncoding];
NSArray<NSString *> *const lines = [wholeFile componentsSeparatedByString:@"\n"];
InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, true> decoder;
for(NSString *const line in lines) {
// Ignore empty lines and comments.
if([line length] == 0) {
continue;
}
if([line characterAtIndex:0] == '#') {
continue;
}
NSArray<NSString *> *const columns = [line componentsSeparatedByString:@","];
// Columns are 1: address; 2: opcode; 3–: specific to the instruction.
const auto address = uint32_t([columns[0] hexInt]);
const auto opcode = uint32_t([columns[1] hexInt]);
NSString *const operation = columns[2];
const auto instruction = decoder.decode(opcode);
// Deal with some of the simplified mnemonics as special cases;
// underlying observation: distinguishing special cases isn't that
// important to a mere decoder.
if([operation isEqualToString:@"nop"]) {
// These tests use ORI for NOP.
XCTAssertEqual(instruction.operation, Operation::ori);
XCTAssertEqual(instruction.rD(), instruction.rA());
XCTAssertEqual(instruction.simm(), 0);
continue;
}
if([operation isEqualToString:@"mr"] || [operation isEqualToString:@"mr."]) {
// OR is used to achieve MR (i.e. move register).
XCTAssertEqual(instruction.operation, Operation::orx);
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[4], instruction.rB());
continue;
}
if([operation isEqualToString:@"li"]) {
// ADDI is used to achieve LI (i.e. load immediate).
XCTAssertEqual(instruction.operation, Operation::addi);
AssertEqualR(columns[3], instruction.rD());
XCTAssertEqual(0, instruction.rA());
XCTAssertEqual([columns[4] hexInt], instruction.simm());
continue;
}
switch(instruction.operation) {
default:
NSAssert(FALSE, @"Didn't handle %@", line);
break;
case Operation::Undefined:
XCTAssertEqualObjects(operation, @"dc.l");
break;
case Operation::rlwimix: {
// This maps the opposite way from most of the other tests
// owing to the simplified names being a shade harder to
// detect motivationally.
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
const auto n = [columns[5] intValue];
const auto b = [columns[6] intValue];
if([operation isEqualToString:@"inslwi"] || [operation isEqualToString:@"inslwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - b);
XCTAssertEqual(instruction.mb<uint32_t>(), b);
XCTAssertEqual(instruction.me<uint32_t>(), b + n - 1);
break;
}
if([operation isEqualToString:@"insrwi"] || [operation isEqualToString:@"insrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - (b + n));
XCTAssertEqual(instruction.mb<uint32_t>(), b);
XCTAssertEqual(instruction.me<uint32_t>(), b + n - 1);
break;
}
NSAssert(FALSE, @"Didn't handle rlwimix %@", line);
} break;
case Operation::rlwnmx: {
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[5], instruction.rB());
if([operation isEqualToString:@"rotlw"] || [operation isEqualToString:@"rotlw."]) {
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
NSAssert(FALSE, @"Didn't handle rlwnmx %@", line);
} break;
case Operation::rlwinmx: {
// This maps the opposite way from most of the other tests
// owing to the simplified names being a shade harder to
// detect motivationally.
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
const auto n = [columns[5] intValue];
const auto b = columns.count > 6 ? [columns[6] intValue] : 0;
if([operation isEqualToString:@"extlwi"] || [operation isEqualToString:@"extlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), b);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), n - 1);
break;
}
if([operation isEqualToString:@"extrwi"] || [operation isEqualToString:@"extrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), b + n);
XCTAssertEqual(instruction.mb<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"rotlwi"] || [operation isEqualToString:@"rotlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"rotrwi"] || [operation isEqualToString:@"rotrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"slwi"] || [operation isEqualToString:@"slwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - n);
break;
}
if([operation isEqualToString:@"srwi"] || [operation isEqualToString:@"srwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.mb<uint32_t>(), n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"clrlwi"] || [operation isEqualToString:@"clrlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 0);
XCTAssertEqual(instruction.mb<uint32_t>(), n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"clrrwi"] || [operation isEqualToString:@"clrrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 0);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - n);
break;
}
if([operation isEqualToString:@"clrlslwi"] || [operation isEqualToString:@"clrlslwi."]) {
// FreeScale switched the order of b and n in the short-form instruction here;
// they are therefore transposed in the tests below.
XCTAssertEqual(instruction.sh<uint32_t>(), b);
XCTAssertEqual(instruction.mb<uint32_t>(), n - b);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - b);
break;
}
NSAssert(FALSE, @"Didn't handle rlwinmx %@", line);
} break;
case Operation::tw:
AssertEqualOperationName(operation, @"tw");
XCTAssertEqual([columns[3] intValue], instruction.to());
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
break;
case Operation::twi:
AssertEqualOperationName(operation, @"twi");
XCTAssertEqual([columns[3] intValue], instruction.to());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.simm());
break;
case Operation::mtfsfx:
AssertEqualOperationNameE(operation, @"mtfsfx", instruction);
XCTAssertEqual([columns[3] intValue], instruction.fm());
AssertEqualFR(columns[4], instruction.frB());
break;
case Operation::mtfsfix:
AssertEqualOperationNameE(operation, @"mtfsfix", instruction);
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
XCTAssertEqual([columns[4] intValue], instruction.imm());
break;
case Operation::mcrxr:
AssertEqualOperationName(operation, @"mcrxr");
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
break;
case Operation::mffsx:
AssertEqualOperationNameE(operation, @"mffsx", instruction);
AssertEqualFR(columns[3], instruction.frD());
break;
case Operation::mtmsr:
AssertEqualOperationName(operation, @"mtmsr");
AssertEqualR(columns[3], instruction.rS());
break;
case Operation::mtsrin:
AssertEqualOperationName(operation, @"mtsrin");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rB());
break;
case Operation::clcs:
AssertEqualOperationName(operation, @"clcs");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rA());
break;
case Operation::mtsr:
AssertEqualOperationName(operation, @"mtsr");
XCTAssertEqual([columns[3] intValue], instruction.sr());
AssertEqualR(columns[4], instruction.rS());
break;
case Operation::tlbie:
AssertEqualOperationName(operation, @"tlbie");
AssertEqualR(columns[3], instruction.rB());
break;
case Operation::icbi:
AssertEqualOperationName(operation, @"icbi");
AssertEqualR(columns[3], instruction.rA(), false);
AssertEqualR(columns[4], instruction.rB());
break;
case Operation::lswi:
AssertEqualOperationName(operation, @"lswi");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.nb());
break;
case Operation::stswi:
AssertEqualOperationName(operation, @"stswi");
AssertEqualR(columns[3], instruction.rS());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.nb());
break;
case Operation::rlmix:
AssertEqualOperationNameE(operation, @"rlmix", instruction);
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[5], instruction.rB());
XCTAssertEqual([columns[6] intValue], instruction.mb<uint32_t>());
XCTAssertEqual([columns[7] intValue], instruction.me<uint32_t>());
break;
case Operation::cmp:
if([operation isEqualToString:@"cmpw"]) {
XCTAssertFalse(instruction.l());
XCTAssertFalse(instruction.crfD());
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rB());
break;
}
if([operation isEqualToString:@"cmp"]) {
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
break;
}
NSAssert(FALSE, @"Didn't handle cmp %@", line);
break;
case Operation::cmpl:
if([operation isEqualToString:@"cmplw"]) {
XCTAssertFalse(instruction.l());
if(instruction.crfD()) {
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
} else {
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rB());
}
break;
}
NSAssert(FALSE, @"Didn't handle cmpl %@", line);
break;
case Operation::cmpli:
case Operation::cmpi:
if([operation isEqualToString:@"cmpwi"] || [operation isEqualToString:@"cmplwi"]) {
XCTAssertFalse(instruction.l());
} else {
XCTAssertTrue(instruction.l());
}
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.simm());
break;
case Operation::mtfsb0x:
case Operation::mtfsb1x:
AssertEqualOperationNameE(
operation,
instruction.operation == Operation::mtfsb0x ? @"mtfsb0x" : @"mtfsb1x",
instruction);
XCTAssertEqual([columns[3] intValue], instruction.crbD());
break;
#define NoArg(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
break;
NoArg(isync);
NoArg(sync);
NoArg(eieio);
NoArg(tlbia);
#undef NoArg
#define D(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
break;
D(mfcr);
D(mfmsr);
#undef D
#define Shift(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
Shift(slwx);
Shift(srwx);
Shift(srawx);
#undef Shift
#define ASsh(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
XCTAssertEqual([columns[5] hexInt], instruction.sh<uint32_t>()); \
break;
ASsh(sliqx);
ASsh(slliqx);
ASsh(sraiqx);
ASsh(sriqx);
ASsh(srliqx);
ASsh(srawix);
#undef ASsh
#define CRMod(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
XCTAssertEqualObjects(columns[3], condition(instruction.crbD())); \
XCTAssertEqualObjects(columns[4], condition(instruction.crbA())); \
XCTAssertEqualObjects(columns[5], condition(instruction.crbB())); \
break;
CRMod(crand);
CRMod(crandc);
CRMod(creqv);
CRMod(crnand);
CRMod(crnor);
CRMod(cror);
CRMod(crorc);
CRMod(crxor);
#undef CRMod
case Operation::mtcrf: {
AssertEqualOperationName(operation,
instruction.crm() != 0xff ? @"mtcrf" : @"mtcr");
AssertEqualR([columns lastObject], instruction.rS());
if(columns.count > 4) {
XCTAssertEqual([columns[3] hexInt], instruction.crm());
}
} break;
#define ArithImm(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
XCTAssertEqual([columns[5] hexInt], instruction.simm()); \
} break;
ArithImm(dozi);
ArithImm(addi);
ArithImm(addic);
ArithImm(addic_);
ArithImm(addis);
ArithImm(mulli);
ArithImm(subfic);
#undef ArithImm
#define LogicImm(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
XCTAssertEqual([columns[5] hexInt], instruction.uimm()); \
} break;
LogicImm(andi_);
LogicImm(andis_);
LogicImm(ori);
LogicImm(oris);
LogicImm(xori);
LogicImm(xoris);
#undef ArithImm
#define DAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
DAB(lwzx);
DAB(lwzux);
DAB(lbzx);
DAB(lbzux);
DAB(lhzx);
DAB(lhzux);
DAB(lhax);
DAB(lhaux);
DAB(lhbrx);
DAB(lwbrx);
DAB(lwarx);
DAB(eciwx);
DAB(lswx);
DAB(lwa);
DAB(lwaux);
DAB(lwax);
#undef DAB
#define DAe(x) \
case Operation::x: \
AssertEqualOperationNameOE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
break;
DAe(negx);
DAe(subfzex);
DAe(subfmex);
DAe(absx);
DAe(nabsx);
DAe(addzex);
DAe(addmex);
#undef DAe
#define DABe(x) \
case Operation::x: \
AssertEqualOperationNameOE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
DABe(subfcx);
DABe(subfx);
DABe(subfex);
DABe(dozx);
DABe(addx);
DABe(addcx);
DABe(addex);
DABe(mulhwx);
DABe(mulhwux);
DABe(mulx);
DABe(mullwx);
DABe(divx);
DABe(divsx);
DABe(divwux);
DABe(divwx);
DABe(lscbxx);
#undef DABe
#define ASB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
ASB(maskgx);
ASB(maskirx);
ASB(rribx);
ASB(slex);
ASB(sleqx);
ASB(sllqx);
ASB(slqx);
ASB(sraqx);
ASB(srex);
ASB(sreax);
ASB(sreqx);
ASB(srlqx);
ASB(srqx);
ASB(andx);
ASB(andcx);
ASB(norx);
ASB(eqvx);
ASB(xorx);
ASB(orcx);
ASB(orx);
ASB(nandx);
#undef ASB
#define SAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rS()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
SAB(ecowx);
SAB(stbux);
SAB(stbx);
SAB(sthbrx);
SAB(sthux);
SAB(sthx);
SAB(stswx);
SAB(stwbrx);
SAB(stwcx_);
SAB(stwux);
SAB(stwx);
SAB(stdcx_);
SAB(stdux);
SAB(stdx);
#undef SAB
#define AS(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
break;
AS(cntlzwx);
AS(extsbx);
AS(extshx);
AS(extswx);
#undef AS
#define fSAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frS()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
fSAB(stfdx);
fSAB(stfdux);
fSAB(stfsx);
fSAB(stfsux);
fSAB(stfiwx);
#undef fSAB
#define fDAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
fDAB(lfdux);
fDAB(lfdx);
fDAB(lfsux);
fDAB(lfsx);
#undef fDAB
#define fDfAfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA(), false); \
AssertEqualFR(columns[5], instruction.frB()); \
break;
fDfAfB(faddx);
fDfAfB(faddsx);
fDfAfB(fsubx);
fDfAfB(fsubsx);
fDfAfB(fdivx);
fDfAfB(fdivsx);
#undef fDfAfB
#define fDfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frB()); \
break;
fDfB(fabsx);
fDfB(fnabsx);
fDfB(fnegx);
fDfB(frsqrtex);
fDfB(frspx);
fDfB(fctiwx);
fDfB(fctiwzx);
fDfB(fctidx);
fDfB(fctidzx);
fDfB(fcfidx);
fDfB(fresx);
fDfB(fmrx);
#undef fDfB
#define fDfAfC(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA(), false); \
AssertEqualFR(columns[5], instruction.frC()); \
break;
fDfAfC(fmulx);
fDfAfC(fmulsx);
#undef fDfAfC
#define fDfAfCfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA()); \
AssertEqualFR(columns[5], instruction.frC()); \
AssertEqualFR(columns[6], instruction.frB()); \
break;
fDfAfCfB(fnmaddx);
fDfAfCfB(fnmaddsx);
fDfAfCfB(fnmsubx);
fDfAfCfB(fnmsubsx);
fDfAfCfB(fmaddx);
fDfAfCfB(fmaddsx);
fDfAfCfB(fmsubx);
fDfAfCfB(fmsubsx);
fDfAfCfB(fselx);
#undef fDfAfBfC
#define DDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
DDA(lbz);
DDA(lbzu);
DDA(lmw);
DDA(lwz);
DDA(lwzu);
DDA(lhz);
DDA(lhzu);
DDA(lha);
DDA(lhau);
#undef DDA
#define fDDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.rD()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
fDDA(lfd);
fDDA(lfdu);
fDDA(lfs);
fDDA(lfsu);
#undef fDDA
#define SDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rS()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
SDA(stb);
SDA(stbu);
SDA(sth);
SDA(sthu);
SDA(stmw);
SDA(stw);
SDA(stwu);
#undef SDA
#define fSDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.rS()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
fSDA(stfd);
fSDA(stfdu);
fSDA(stfs);
fSDA(stfsu);
#undef fSDA
#define crfDS(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD())); \
XCTAssertEqualObjects(columns[4], conditionreg(instruction.crfS())); \
break;
crfDS(mcrf);
crfDS(mcrfs);
#undef crfDS
#define crfDfAfB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD())); \
AssertEqualFR(columns[4], instruction.frA()); \
AssertEqualFR(columns[5], instruction.frB()); \
break;
crfDfAfB(fcmpo);
crfDfAfB(fcmpu);
#undef crfDfAfB
case Operation::bcx:
case Operation::bclrx:
case Operation::bcctrx: {
NSString *baseOperation = nil;
BOOL addConditionToOperand = NO;
switch(instruction.branch_options()) {
case BranchOption::Always: baseOperation = @"b"; break;
case BranchOption::Dec_Zero: baseOperation = @"bdz"; break;
case BranchOption::Dec_NotZero: baseOperation = @"bdnz"; break;
case BranchOption::Clear:
switch(Condition(instruction.bi() & 3)) {
default: break;
case Condition::Negative: baseOperation = @"bge"; break;
case Condition::Positive: baseOperation = @"ble"; break;
case Condition::Zero: baseOperation = @"bne"; break;
case Condition::SummaryOverflow:
baseOperation = @"bns";
break;
}
break;
case BranchOption::Dec_ZeroAndClear:
baseOperation = @"bdzf";
addConditionToOperand = YES;
break;
case BranchOption::Dec_NotZeroAndClear:
baseOperation = @"bdnzf";
addConditionToOperand = YES;
break;
case BranchOption::Set:
switch(Condition(instruction.bi() & 3)) {
default: break;
case Condition::Negative: baseOperation = @"blt"; break;
case Condition::Positive: baseOperation = @"bgt"; break;
case Condition::Zero: baseOperation = @"beq"; break;
case Condition::SummaryOverflow:
baseOperation = @"bso";
break;
}
break;
case BranchOption::Dec_ZeroAndSet:
baseOperation = @"bdzt";
addConditionToOperand = YES;
break;
case BranchOption::Dec_NotZeroAndSet:
baseOperation = @"bdnzt";
addConditionToOperand = YES;
break;
default: break;
}
switch(instruction.operation) {
case Operation::bcctrx:
baseOperation = [baseOperation stringByAppendingString:@"ctr"];
break;
case Operation::bclrx:
baseOperation = [baseOperation stringByAppendingString:@"lr"];
break;
case Operation::bcx: {
uint32_t decoded_destination;
if(instruction.aa()) {
decoded_destination = instruction.bd();
} else {
decoded_destination = instruction.bd() + address;
}
XCTAssertEqual(decoded_destination, [[columns lastObject] hexInt]);
} break;
default: break;
}
if(!baseOperation) {
NSAssert(FALSE, @"Didn't handle bi %d for bo %d, %@", instruction.bi() & 3, instruction.bo(), line);
} else {
if(instruction.lk()) {
baseOperation = [baseOperation stringByAppendingString:@"l"];
}
if(instruction.aa()) {
baseOperation = [baseOperation stringByAppendingString:@"a"];
}
if(instruction.branch_prediction_hint()) {
baseOperation = [baseOperation stringByAppendingString:@"+"];
}
AssertEqualOperationName(operation, baseOperation);
}
if(instruction.bi() & ~3) {
NSString *expectedCR;
if(addConditionToOperand) {
expectedCR = condition(instruction.bi());
} else {
expectedCR = [NSString stringWithFormat:@"cr%d", instruction.bi() >> 2];
}
XCTAssertEqualObjects(columns[3], expectedCR);
}
} break;
case Operation::bx: {
switch((instruction.aa() ? 2 : 0) | (instruction.lk() ? 1 : 0)) {
case 0: AssertEqualOperationName(operation, @"b"); break;
case 1: AssertEqualOperationName(operation, @"bl"); break;
case 2: AssertEqualOperationName(operation, @"ba"); break;
case 3: AssertEqualOperationName(operation, @"bla"); break;
}
const uint32_t decoded_destination =
instruction.li() + (instruction.aa() ? 0 : address);
XCTAssertEqual(decoded_destination, [columns[3] hexInt]);
} break;
}
}
}
@end
Reference in New Issue View Git Blame Copy Permalink