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irisz64
2025-08-03 20:06:16 +02:00
parent 010bb5e0bb
commit 3fb03c6aba
20 changed files with 563 additions and 406 deletions
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126
src/frontend/Debugger.cpp
View File

@@ -2,6 +2,17 @@
#include <imgui.h>
#include <execution>
char const* regNames[] = {
"zero", "at", "v0", "v1",
"a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"s0", "s1", "s2", "s3",
"s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1",
"gp", "sp", "s8", "ra",
};
void BreakpointFunc(s64 addr, s64 startAddr, Disassembler::DisassemblyResult&) {
n64::Core& core = n64::Core::GetInstance();
bool isBroken = core.breakpoints.contains(addr + 4);
@@ -56,58 +67,80 @@ void InstructionFunc(s64, s64, Disassembler::DisassemblyResult& disasm) {
}
}
void CommentFunc(s64, s64, Disassembler::DisassemblyResult& disasm) {
n64::Core& core = n64::Core::GetInstance();
if(!disasm.success) {
ImGui::TextColored(ImColor(0xff71efe5), "");
return;
}
ImGui::TextColored(ImColor(0xff71efe5), "%s", std::format("{}", disasm.GetFormattedComment()).c_str());
u64 vaddr = disasm.GetResolvedAddressFromComment();
if(vaddr == 0xFFFF'FFFF'FFFF'FFFFull)
void Debugger::RegisterView() {
if(!ImGui::BeginTable("Registers", 4, ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Resizable | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_ContextMenuInBody))
return;
if(!ImGui::IsItemHovered(ImGuiHoveredFlags_DelayNormal | ImGuiHoveredFlags_ForTooltip))
return;
if(!ImGui::BeginTooltip())
return;
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Value");
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Value");
ImGui::Text("%s", std::format("Memory contents @ 0x{:016X}", vaddr).c_str());
if(!ImGui::BeginTable("##memoryContents", 16))
return;
for(u32 col = 0; col < 16; col++)
ImGui::TableSetupColumn(std::format("##hexCol{}", col).c_str());
ImGui::TableHeadersRow();
for(u32 row = 0; row < 16; row++) {
ImGui::TableNextRow();
for(u32 col = 0; col < 16; col+=4) {
u32 paddr;
if(!n64::Core::GetRegs().cop0.MapVAddr(n64::Cop0::LOAD, vaddr+row*0x10+col, paddr))
continue;
u32 val = n64::Core::GetMem().Read<u32>(paddr);
auto renderMemoryTable = [&](u64 vaddr) {
if(!ImGui::IsItemHovered(ImGuiHoveredFlags_DelayNormal | ImGuiHoveredFlags_ForTooltip))
return;
ImGui::TableSetColumnIndex(col+0);
ImGui::Text("%02X", (val >> 24) & 0xff);
ImGui::TableSetColumnIndex(col+1);
ImGui::Text("%02X", (val >> 16) & 0xff);
ImGui::TableSetColumnIndex(col+2);
ImGui::Text("%02X", (val >> 8) & 0xff);
ImGui::TableSetColumnIndex(col+3);
ImGui::Text("%02X", (val >> 0) & 0xff);
}
}
if(!ImGui::BeginTooltip())
return;
ImGui::Text("%s", std::format("Memory contents @ 0x{:016X}", vaddr).c_str());
if(!ImGui::BeginTable("##memoryContents", 16))
return;
for(u32 col = 0; col < 16; col++)
ImGui::TableSetupColumn(std::format("##hexCol{}", col).c_str());
ImGui::TableHeadersRow();
for(u32 row = 0; row < 16; row++) {
ImGui::TableNextRow();
for(u32 col = 0; col < 16; col+=4) {
u32 paddr;
if(!n64::Core::GetRegs().cop0.MapVAddr(n64::Cop0::LOAD, vaddr+row*0x10+col, paddr))
continue;
u32 val = n64::Core::GetMem().Read<u32>(paddr);
ImGui::TableSetColumnIndex(col+0);
ImGui::Text("%02X", (val >> 24) & 0xff);
ImGui::TableSetColumnIndex(col+1);
ImGui::Text("%02X", (val >> 16) & 0xff);
ImGui::TableSetColumnIndex(col+2);
ImGui::Text("%02X", (val >> 8) & 0xff);
ImGui::TableSetColumnIndex(col+3);
ImGui::Text("%02X", (val >> 0) & 0xff);
}
}
ImGui::EndTable();
ImGui::EndTooltip();
};
n64::Registers& regs = n64::Core::GetRegs();
for(int i = 0; i < 32; i+=2) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("%s", regNames[i]);
ImGui::TableSetColumnIndex(1);
auto value = regs.Read<u64>(i);
ImGui::Text("%s", std::format("{:016X}", value).c_str());
renderMemoryTable(value);
ImGui::TableSetColumnIndex(2);
ImGui::Text("%s", regNames[i+1]);
ImGui::TableSetColumnIndex(3);
value = regs.Read<u64>(i+1);
ImGui::Text("%s", std::format("{:016X}", value).c_str());
renderMemoryTable(value);
}
ImGui::EndTable();
ImGui::EndTooltip();
}
bool Debugger::render() {
@@ -119,7 +152,6 @@ bool Debugger::render() {
static s64 startAddr = 0xFFFF'FFFF'8000'0000;
int step = 4, stepFast = 256;
static bool followPC = true;
if(!ImGui::Begin("Debugger", &enabled))
return false;
@@ -144,7 +176,7 @@ bool Debugger::render() {
core.ToggleBreakpoint(startAddr);
}
if(!ImGui::BeginTable("Disassembly", columns.size(), ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Resizable | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_ContextMenuInBody))
if(!ImGui::BeginTable("Disassembly", columns.size(), ImGuiTableFlags_SizingFixedSame | ImGuiTableFlags_Resizable | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_ContextMenuInBody))
return false;
for(int i = 0; i < columns.size(); i++)
@@ -183,6 +215,8 @@ bool Debugger::render() {
ImGui::EndTable();
RegisterView();
ImGui::End();
return true;