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Fix DataPointer reference.

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Down from 4521 to 1248 failures within 00.json.gz
This commit is contained in:
Thomas Harte 2023-10-08 15:59:30 -04:00
parent 6808f2c778
commit dbfaef632a
2 changed files with 15 additions and 7 deletions
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2
InstructionSets/x86/Implementation/PerformImplementation.hpp
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@ -320,7 +320,7 @@ template <
// Establish source() and destination() shorthand to fetch data if necessary.
auto source = [&]() -> IntT& { return *resolve<model, data_size>(instruction, instruction.source().template source<false>(), instruction.source(), registers, memory); };
auto destination = [&]() -> IntT& { return *resolve<model, data_size>(instruction, instruction.destination().template source<false>(), instruction.source(), registers, memory); };
auto destination = [&]() -> IntT& { return *resolve<model, data_size>(instruction, instruction.destination().template source<false>(), instruction.destination(), registers, memory); };
// Guide to the below:
//

18
OSBindings/Mac/Clock SignalTests/8088Tests.mm
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@ -96,6 +96,7 @@ struct Registers {
struct Memory {
enum class Tag {
Seeded,
AccessExpected,
Accessed,
FlagsL,
FlagsH
@ -118,6 +119,10 @@ struct Memory {
tags[address] = Tag::Seeded;
}
void touch(uint32_t address) {
tags[address] = Tag::AccessExpected;
}
// Entry point used by the flow controller so that it can mark up locations at which the flags were written,
// so that defined-flag-only masks can be applied while verifying RAM contents.
template <typename IntT> IntT &access([[maybe_unused]] InstructionSet::x86::Source segment, uint16_t address, Tag tag) {
@ -136,15 +141,15 @@ struct Memory {
// An additional entry point for the flow controller; on the original 8086 interrupt vectors aren't relative
// to a selector, they're just at an absolute location.
template <typename IntT> IntT &access(uint32_t address, Tag tag) {
if(tags.find(address) == tags.end()) {
// printf("Access to unexpected RAM address");
}
tags[address] = tag;
return *reinterpret_cast<IntT *>(&memory[address]);
}
// Entry point for the 8086; simply notes that memory was accessed.
template <typename IntT> IntT &access([[maybe_unused]] InstructionSet::x86::Source segment, uint32_t address) {
if(tags.find(address) == tags.end()) {
printf("Access to uninitialised RAM area");
}
return access<IntT>(segment, address, Tag::Accessed);
}
};
@ -403,13 +408,17 @@ struct FailedExecution {
execution_support.clear();
const uint16_t flags_mask = metadata[@"flags-mask"] ? [metadata[@"flags-mask"] intValue] : 0xffff;
NSDictionary *const initial_state = test[@"initial"];
NSDictionary *const final_state = test[@"final"];
// Apply initial state.
NSDictionary *const initial_state = test[@"initial"];
InstructionSet::x86::Status initial_status;
for(NSArray<NSNumber *> *ram in initial_state[@"ram"]) {
execution_support.memory.seed([ram[0] intValue], [ram[1] intValue]);
}
for(NSArray<NSNumber *> *ram in final_state[@"ram"]) {
execution_support.memory.touch([ram[0] intValue]);
}
[self populate:execution_support.registers status:initial_status value:initial_state[@"regs"]];
execution_support.status = initial_status;
@ -425,7 +434,6 @@ struct FailedExecution {
);
// Compare final state.
NSDictionary *const final_state = test[@"final"];
Registers intended_registers;
InstructionSet::x86::Status intended_status;