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Use the new kernel module description thing to annotate GPRs in the register viewer

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Henrik Rydgård committed 2026-07-28 00:15:41 +02:00
1 parent c0826cbb5d
commit 39c8cbbde1
5 files changed
+59 -20
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UI/ImDebugger/ImDebugger.cpp
+32 -2
View File
@@ -213,6 +213,31 @@ void DrawSchedulerView(ImConfig &cfg) {
ImGui::End();
}
static void DescribeGPRValue(u32 value, char *buffer, size_t bufferSize) {
if (Memory::IsValidAddress(value)) {
char moduleName[64];
const char *kernel = (value & 0x80000000) ? " (kernel)" : "";
const char *uncached = (value & 0x40000000) ? " (uncached)" : "";
if (DescribeKernelModuleAddress(value, moduleName, sizeof(moduleName))) {
snprintf(buffer, bufferSize, "[%s]%s%s", moduleName, kernel, uncached);
return;
} else if (Memory::IsVRAMAddress(value)) {
snprintf(buffer, bufferSize, "[VRAM]%s", uncached); // can't be kernel
return;
} else if (Memory::IsScratchpadAddress(value)) {
snprintf(buffer, bufferSize, "[SCRATCH]%s%s", kernel, uncached);
return;
} else {
// TODO: Symbol lookup
snprintf(buffer, bufferSize, "[RAM]%s%s", kernel, uncached);
return;
}
} else {
snprintf(buffer, bufferSize, "(value)");
}
}
static void DrawGPRs(ImConfig &config, ImControl &control, const MIPSDebugInterface *mipsDebug, const ImSnapshotState &prev) {
ImGui::SetNextWindowSize(ImVec2(320, 600), ImGuiCond_FirstUseEver);
if (!ImGui::Begin("GPRs", &config.gprOpen)) {
@@ -236,10 +261,11 @@ static void DrawGPRs(ImConfig &config, ImControl &control, const MIPSDebugInterf
delete[] buffer;
}
if (ImGui::BeginTable("gpr", 3, ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersH)) {
if (ImGui::BeginTable("gpr", 4, ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersH)) {
ImGui::TableSetupColumn("Reg", ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("Value", ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("Decimal", ImGuiTableColumnFlags_WidthStretch);
ImGui::TableSetupColumn("Dec", ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("Desc", ImGuiTableColumnFlags_WidthStretch);
ImGui::TableHeadersRow();
@@ -261,6 +287,10 @@ static void DrawGPRs(ImConfig &config, ImControl &control, const MIPSDebugInterf
if (value >= -1000000 && value <= 1000000) {
ImGui::Text("%d", value);
}
ImGui::TableNextColumn();
char temp[72];
DescribeGPRValue(value, temp, sizeof(temp));
ImGui::TextUnformatted(temp);
if (diff || disabled) {
ImGui::PopStyleColor();
}