diff options
Diffstat (limited to 'qtmips_gui/memorymodel.cpp')
-rw-r--r-- | qtmips_gui/memorymodel.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/qtmips_gui/memorymodel.cpp b/qtmips_gui/memorymodel.cpp index 66da84c..12b3fcb 100644 --- a/qtmips_gui/memorymodel.cpp +++ b/qtmips_gui/memorymodel.cpp @@ -46,6 +46,7 @@ MemoryModel::MemoryModel(QObject *parent) machine = nullptr; memory_change_counter = 0; cache_data_change_counter = 0; + access_through_cache = 0; } int MemoryModel::rowCount(const QModelIndex & /*parent*/) const { @@ -80,6 +81,7 @@ QVariant MemoryModel::data(const QModelIndex &index, int role) const { QString s, t; std::uint32_t address; std::uint32_t data; + const machine::MemoryAccess *mem; if (!get_row_address(address, index.row())) return QString(""); if (index.column() == 0) { @@ -89,21 +91,24 @@ QVariant MemoryModel::data(const QModelIndex &index, int role) const { } if (machine == nullptr) return QString(""); - if (machine->memory() == nullptr) + mem = machine->memory(); + if (mem == nullptr) return QString(""); + if ((access_through_cache > 0) && (machine->cache_data() != nullptr)) + mem = machine->cache_data(); address += cellSizeBytes() * (index.column() - 1); if (address < index0_offset) return QString(""); switch (cell_size) { case CELLSIZE_BYTE: - data = machine->memory()->read_byte(address); + data = mem->read_byte(address, true); break; case CELLSIZE_HWORD: - data = machine->memory()->read_hword(address); + data = mem->read_hword(address, true); break; default: case CELLSIZE_WORD: - data = machine->memory()->read_word(address); + data = mem->read_word(address, true); break; } @@ -215,3 +220,8 @@ bool MemoryModel::adjustRowAndOffset(int &row, int optimal_row, std::uint32_t ad } return get_row_for_address(row, address); } + +void MemoryModel::cached_access(int cached) { + access_through_cache = cached; + update_all(); +} |