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[ARM64] Initial commit for arm64 backend

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Based entirely off existing xbyak x86 implementation and available
tests. Still needs a lot of optimization and testing on non-Windows
platforms.

So far passes all tests and boots at least some games on Windows.
This commit is contained in:
Herman S.
2026-03-21 01:17:18 +09:00
parent c6e112bcd8
commit 883c2030d0
44 changed files with 13428 additions and 140 deletions
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43
src/xenia/debug/ui/debug_window.cc
View File

@@ -970,6 +970,7 @@ void DebugWindow::DrawRegistersPane() {
} break;
case RegisterGroup::kHostGeneral: {
ImGui::BeginChild("##host_general");
#if XE_ARCH_AMD64
for (int i = 0; i < 18; ++i) {
auto reg = static_cast<X64Register>(i);
ImGui::BeginGroup();
@@ -990,10 +991,37 @@ void DebugWindow::DrawRegistersPane() {
}
ImGui::EndGroup();
}
#elif XE_ARCH_ARM64
// x0-x30, sp, pc, pstate
for (int i = 0; i < 34; ++i) {
auto reg = static_cast<Arm64Register>(i);
ImGui::BeginGroup();
ImGui::AlignTextToFramePadding();
ImGui::Text("%5s", HostThreadContext::GetRegisterName(reg));
ImGui::SameLine();
ImGui::Dummy(ImVec2(4, 0));
ImGui::SameLine();
if (i < 31) {
dirty_host_context |=
DrawRegisterTextBox(i, &thread_info->host_context.x[i]);
} else if (i == 31) {
dirty_host_context |=
DrawRegisterTextBox(i, &thread_info->host_context.sp);
} else if (i == 32) {
dirty_host_context |=
DrawRegisterTextBox(i, &thread_info->host_context.pc);
} else {
dirty_host_context |=
DrawRegisterTextBox(i, &thread_info->host_context.pstate);
}
ImGui::EndGroup();
}
#endif
ImGui::EndChild();
} break;
case RegisterGroup::kHostVector: {
ImGui::BeginChild("##host_vector");
#if XE_ARCH_AMD64
for (int i = 0; i < 16; ++i) {
auto reg =
static_cast<X64Register>(static_cast<int>(X64Register::kXmm0) + i);
@@ -1007,6 +1035,21 @@ void DebugWindow::DrawRegistersPane() {
i, thread_info->host_context.xmm_registers[i].f32);
ImGui::EndGroup();
}
#elif XE_ARCH_ARM64
for (int i = 0; i < 32; ++i) {
auto reg = static_cast<Arm64Register>(
static_cast<int>(Arm64Register::kV0) + i);
ImGui::BeginGroup();
ImGui::AlignTextToFramePadding();
ImGui::Text("%5s", HostThreadContext::GetRegisterName(reg));
ImGui::SameLine();
ImGui::Dummy(ImVec2(4, 0));
ImGui::SameLine();
dirty_host_context |=
DrawRegisterTextBoxes(i, thread_info->host_context.v[i].f32);
ImGui::EndGroup();
}
#endif
ImGui::EndChild();
}
}