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Atmosphere/stratosphere/fatal/source/fatal_task_screen.cpp

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fatal_task_screen.hpp"
#include "fatal_config.hpp"
#include "fatal_font.hpp"
namespace ams::fatal::srv {
/* Include Atmosphere logo into its own anonymous namespace. */
namespace {
#include "fatal_ams_logo.inc"
}
namespace {
/* Screen definitions. */
constexpr u32 FatalScreenWidth = 1280;
constexpr u32 FatalScreenHeight = 720;
constexpr u32 FatalScreenBpp = 2;
constexpr u32 FatalLayerZ = 100;
constexpr u32 FatalScreenWidthAlignedBytes = util::AlignUp(FatalScreenWidth * FatalScreenBpp, 64);
constexpr u32 FatalScreenWidthAligned = FatalScreenWidthAlignedBytes / FatalScreenBpp;
/* There should only be a single transfer memory (for nv). */
alignas(os::MemoryPageSize) constinit u8 g_nv_transfer_memory[0x40000];
/* There should only be a single (1280*768) framebuffer. */
alignas(os::MemoryPageSize) constinit u8 g_framebuffer_memory[FatalScreenWidthAlignedBytes * util::AlignUp(FatalScreenHeight, 128)];
}
}
extern "C" ::Result __nx_nv_create_tmem(TransferMemory *t, u32 *out_size, Permission perm) {
*out_size = sizeof(ams::fatal::srv::g_nv_transfer_memory);
return tmemCreateFromMemory(t, ams::fatal::srv::g_nv_transfer_memory, sizeof(ams::fatal::srv::g_nv_transfer_memory), perm);
}
namespace ams::fatal::srv {
namespace {
/* Pixel calculation helper. */
constexpr u32 GetPixelOffset(u32 x, u32 y) {
u32 tmp_pos = ((y & 127) / 16) + (x/32*8) + ((y/16/8)*(((FatalScreenWidthAligned/2)/16*8)));
tmp_pos *= 16*16 * 4;
tmp_pos += ((y%16)/8)*512 + ((x%32)/16)*256 + ((y%8)/2)*64 + ((x%16)/8)*32 + (y%2)*16 + (x%8)*2;//This line is a modified version of code from the Tegra X1 datasheet.
return tmp_pos / 2;
}
/* Task definitions. */
class ShowFatalTask : public ITaskWithStack<0x8000> {
private:
ViDisplay m_display;
ViLayer m_layer;
NWindow m_win;
NvMap m_map;
private:
Result SetupDisplayInternal();
Result SetupDisplayExternal();
Result PrepareScreenForDrawing();
void PreRenderFrameBuffer();
Result InitializeNativeWindow();
void DisplayPreRenderedFrame();
Result ShowFatal();
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "ShowFatal";
}
};
class BacklightControlTask : public ITaskWithDefaultStack {
private:
void TurnOnBacklight();
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "BacklightControlTask";
}
};
/* Task globals. */
ShowFatalTask g_show_fatal_task;
BacklightControlTask g_backlight_control_task;
/* Task implementations. */
Result ShowFatalTask::SetupDisplayInternal() {
ViDisplay temp_display;
/* Try to open the display. */
R_TRY_CATCH(viOpenDisplay("Internal", std::addressof(temp_display))) {
R_CONVERT(vi::ResultNotFound, ResultSuccess());
} R_END_TRY_CATCH;
/* Guarantee we close the display. */
ON_SCOPE_EXIT { viCloseDisplay(std::addressof(temp_display)); };
/* Turn on the screen. */
if (hos::GetVersion() >= hos::Version_3_0_0) {
R_TRY(viSetDisplayPowerState(std::addressof(temp_display), ViPowerState_On));
} else {
/* Prior to 3.0.0, the ViPowerState enum was different (0 = Off, 1 = On). */
R_TRY(viSetDisplayPowerState(std::addressof(temp_display), ViPowerState_On_Deprecated));
}
/* Set alpha to 1.0f. */
R_TRY(viSetDisplayAlpha(std::addressof(temp_display), 1.0f));
R_SUCCEED();
}
Result ShowFatalTask::SetupDisplayExternal() {
ViDisplay temp_display;
/* Try to open the display. */
R_TRY_CATCH(viOpenDisplay("External", std::addressof(temp_display))) {
R_CONVERT(vi::ResultNotFound, ResultSuccess());
} R_END_TRY_CATCH;
/* Guarantee we close the display. */
ON_SCOPE_EXIT { viCloseDisplay(std::addressof(temp_display)); };
/* Set alpha to 1.0f. */
R_TRY(viSetDisplayAlpha(std::addressof(temp_display), 1.0f));
R_SUCCEED();
}
Result ShowFatalTask::PrepareScreenForDrawing() {
/* Connect to vi. */
R_TRY(viInitialize(ViServiceType_Manager));
/* Close other content. */
viSetContentVisibility(false);
/* Setup the two displays. */
R_TRY(SetupDisplayInternal());
R_TRY(SetupDisplayExternal());
/* Open the default display. */
R_TRY(viOpenDefaultDisplay(std::addressof(m_display)));
/* Reset the display magnification to its default value. */
s32 display_width, display_height;
R_TRY(viGetDisplayLogicalResolution(std::addressof(m_display), std::addressof(display_width), std::addressof(display_height)));
/* viSetDisplayMagnification was added in 3.0.0. */
if (hos::GetVersion() >= hos::Version_3_0_0) {
R_TRY(viSetDisplayMagnification(std::addressof(m_display), 0, 0, display_width, display_height));
}
/* Create layer to draw to. */
R_TRY(viCreateLayer(std::addressof(m_display), std::addressof(m_layer)));
/* Setup the layer. */
{
/* Display a layer of 1280 x 720 at 1.5x magnification */
/* NOTE: N uses 2 (770x400) RGBA4444 buffers (tiled buffer + linear). */
/* We use a single 1280x720 tiled RGB565 buffer. */
constexpr s32 RawWidth = FatalScreenWidth;
constexpr s32 RawHeight = FatalScreenHeight;
constexpr s32 LayerWidth = ((RawWidth) * 3) / 2;
constexpr s32 LayerHeight = ((RawHeight) * 3) / 2;
const float layer_x = static_cast<float>((display_width - LayerWidth) / 2);
const float layer_y = static_cast<float>((display_height - LayerHeight) / 2);
R_TRY(viSetLayerSize(std::addressof(m_layer), LayerWidth, LayerHeight));
/* Set the layer's Z at display maximum, to be above everything else .*/
R_TRY(viSetLayerZ(std::addressof(m_layer), FatalLayerZ));
/* Center the layer in the screen. */
R_TRY(viSetLayerPosition(std::addressof(m_layer), layer_x, layer_y));
/* Create framebuffer. */
R_TRY(nwindowCreateFromLayer(std::addressof(m_win), std::addressof(m_layer)));
R_TRY(this->InitializeNativeWindow());
}
R_SUCCEED();
}
void ShowFatalTask::PreRenderFrameBuffer() {
const FatalConfig &config = GetFatalConfig();
/* Pre-render the image into the static framebuffer. */
u16 *tiled_buf = reinterpret_cast<u16 *>(g_framebuffer_memory);
/* Temporarily use the NV transfer memory as font backing heap. */
font::SetHeapMemory(g_nv_transfer_memory, sizeof(g_nv_transfer_memory));
ON_SCOPE_EXIT { std::memset(g_nv_transfer_memory, 0, sizeof(g_nv_transfer_memory)); };
/* Let the font manager know about our framebuffer. */
font::ConfigureFontFramebuffer(tiled_buf, GetPixelOffset);
font::SetFontColor(0xFFFF);
/* Draw a background. */
for (size_t i = 0; i < sizeof(g_framebuffer_memory) / sizeof(*tiled_buf); i++) {
tiled_buf[i] = 0x39C9;
}
/* Draw the atmosphere logo in the upper right corner. */
const u32 start_x = 32, start_y = 64;
for (size_t y = 0; y < AtmosphereLogoHeight; y++) {
for (size_t x = 0; x < AtmosphereLogoWidth; x++) {
tiled_buf[GetPixelOffset(FatalScreenWidth - AtmosphereLogoWidth - start_x + x, start_x + y)] = AtmosphereLogoData[y * AtmosphereLogoWidth + x];
}
}
/* Draw error message and firmware. */
font::SetPosition(start_x, start_y);
font::SetFontSize(16.0f);
font::PrintFormat(config.GetErrorMessage(), m_context->result.GetModule(), m_context->result.GetDescription(), m_context->result.GetValue());
font::AddSpacingLines(0.5f);
font::PrintFormatLine( "Program: %016lX", static_cast<u64>(m_context->program_id));
font::AddSpacingLines(0.5f);
font::PrintFormatLine("Firmware: %s (Atmosphère %u.%u.%u-%s)", config.GetFirmwareVersion().display_version, ATMOSPHERE_RELEASE_VERSION, ams::GetGitRevision());
font::AddSpacingLines(1.5f);
if (!exosphere::ResultVersionMismatch::Includes(m_context->result)) {
font::Print(config.GetErrorDescription());
} else {
/* Print a special message for atmosphere version mismatch. */
font::Print("Atmosphère version mismatch detected.\n\n"
"Please press the POWER Button to restart the console normally, or a VOL button\n"
"to reboot to a payload (or RCM, if none is present). If you are unable to\n"
"restart the console, hold the POWER Button for 12 seconds to turn the console off.\n\n"
"Please ensure that all Atmosphère components are updated.\n"
"github.com/Atmosphere-NX/Atmosphere/releases\n");
}
/* Add a line. */
for (size_t x = start_x; x < FatalScreenWidth - start_x; x++) {
tiled_buf[GetPixelOffset(x, font::GetY())] = 0xFFFF;
}
font::AddSpacingLines(1.5f);
u32 backtrace_y = font::GetY();
u32 backtrace_x = 0;
u32 pc_x = 0;
/* Note architecutre. */
const bool is_aarch32 = m_context->cpu_ctx.architecture == CpuContext::Architecture_Aarch32;
/* Print GPRs. */
font::SetFontSize(14.0f);
font::Print("General Purpose Registers ");
font::PrintLine("");
font::SetPosition(start_x, font::GetY());
font::AddSpacingLines(0.5f);
if (is_aarch32) {
for (size_t i = 0; i < (aarch32::RegisterName_GeneralPurposeCount / 2); i++) {
u32 x = font::GetX();
font::PrintFormat("%s:", aarch32::CpuContext::RegisterNameStrings[i]);
font::SetPosition(x + 47, font::GetY());
if (m_context->cpu_ctx.aarch32_ctx.HasRegisterValue(static_cast<aarch32::RegisterName>(i))) {
font::PrintMonospaceU32(m_context->cpu_ctx.aarch32_ctx.r[i]);
font::PrintMonospaceBlank(8);
} else {
font::PrintMonospaceBlank(16);
}
font::Print(" ");
pc_x = font::GetX();
font::PrintFormat("%s:", aarch32::CpuContext::RegisterNameStrings[i + (aarch32::RegisterName_GeneralPurposeCount / 2)]);
font::SetPosition(pc_x + 47, font::GetY());
if (m_context->cpu_ctx.aarch32_ctx.HasRegisterValue(static_cast<aarch32::RegisterName>(i + (aarch32::RegisterName_GeneralPurposeCount / 2)))) {
font::PrintMonospaceU32(m_context->cpu_ctx.aarch32_ctx.r[i + (aarch32::RegisterName_GeneralPurposeCount / 2)]);
font::PrintMonospaceBlank(8);
} else {
font::PrintMonospaceBlank(16);
}
if (i == (aarch32::RegisterName_GeneralPurposeCount / 2) - 1) {
font::Print(" ");
backtrace_x = font::GetX();
}
font::PrintLine("");
font::SetPosition(start_x, font::GetY());
}
} else {
for (size_t i = 0; i < aarch64::RegisterName_GeneralPurposeCount / 2; i++) {
u32 x = font::GetX();
font::PrintFormat("%s:", aarch64::CpuContext::RegisterNameStrings[i]);
font::SetPosition(x + 47, font::GetY());
if (m_context->cpu_ctx.aarch64_ctx.HasRegisterValue(static_cast<aarch64::RegisterName>(i))) {
font::PrintMonospaceU64(m_context->cpu_ctx.aarch64_ctx.x[i]);
} else {
font::PrintMonospaceBlank(16);
}
font::Print(" ");
pc_x = font::GetX();
font::PrintFormat("%s:", aarch64::CpuContext::RegisterNameStrings[i + (aarch64::RegisterName_GeneralPurposeCount / 2)]);
font::SetPosition(pc_x + 47, font::GetY());
if (m_context->cpu_ctx.aarch64_ctx.HasRegisterValue(static_cast<aarch64::RegisterName>(i + (aarch64::RegisterName_GeneralPurposeCount / 2)))) {
font::PrintMonospaceU64(m_context->cpu_ctx.aarch64_ctx.x[i + (aarch64::RegisterName_GeneralPurposeCount / 2)]);
} else {
font::PrintMonospaceBlank(16);
}
if (i == (aarch64::RegisterName_GeneralPurposeCount / 2) - 1) {
font::Print(" ");
backtrace_x = font::GetX();
}
font::PrintLine("");
font::SetPosition(start_x, font::GetY());
}
}
/* Print PC. */
{
font::SetPosition(pc_x, backtrace_y);
const u32 x = font::GetX();
font::Print("PC: ");
font::SetPosition(x + 47, font::GetY());
}
if (is_aarch32) {
font::PrintMonospaceU32(m_context->cpu_ctx.aarch32_ctx.pc);
} else {
font::PrintMonospaceU64(m_context->cpu_ctx.aarch64_ctx.pc);
}
/* Print Backtrace. */
u32 bt_size;
if (is_aarch32) {
bt_size = m_context->cpu_ctx.aarch32_ctx.stack_trace_size;
} else {
bt_size = m_context->cpu_ctx.aarch64_ctx.stack_trace_size;
}
font::SetPosition(backtrace_x, backtrace_y);
if (bt_size == 0) {
if (is_aarch32) {
font::Print("Start Address: ");
font::PrintMonospaceU32(m_context->cpu_ctx.aarch32_ctx.base_address);
font::PrintLine("");
} else {
font::Print("Start Address: ");
font::PrintMonospaceU64(m_context->cpu_ctx.aarch64_ctx.base_address);
font::PrintLine("");
}
} else {
if (is_aarch32) {
font::Print("Backtrace - Start Address: ");
font::PrintMonospaceU32(m_context->cpu_ctx.aarch32_ctx.base_address);
font::PrintLine("");
font::AddSpacingLines(0.5f);
for (u32 i = 0; i < aarch32::CpuContext::MaxStackTraceDepth / 2; i++) {
u32 bt_cur = 0, bt_next = 0;
if (i < m_context->cpu_ctx.aarch32_ctx.stack_trace_size) {
bt_cur = m_context->cpu_ctx.aarch32_ctx.stack_trace[i];
}
if (i + aarch32::CpuContext::MaxStackTraceDepth / 2 < m_context->cpu_ctx.aarch32_ctx.stack_trace_size) {
bt_next = m_context->cpu_ctx.aarch32_ctx.stack_trace[i + aarch32::CpuContext::MaxStackTraceDepth / 2];
}
if (i < m_context->cpu_ctx.aarch32_ctx.stack_trace_size) {
u32 x = font::GetX();
font::PrintFormat("BT[%02d]: ", i);
font::SetPosition(x + 72, font::GetY());
font::PrintMonospaceU32(bt_cur);
font::PrintMonospaceBlank(8);
font::Print(" ");
}
if (i + aarch32::CpuContext::MaxStackTraceDepth / 2 < m_context->cpu_ctx.aarch32_ctx.stack_trace_size) {
u32 x = font::GetX();
font::PrintFormat("BT[%02d]: ", i + aarch32::CpuContext::MaxStackTraceDepth / 2);
font::SetPosition(x + 72, font::GetY());
font::PrintMonospaceU32(bt_next);
font::PrintMonospaceBlank(8);
}
font::PrintLine("");
font::SetPosition(backtrace_x, font::GetY());
}
} else {
font::Print("Backtrace - Start Address: ");
font::PrintMonospaceU64(m_context->cpu_ctx.aarch64_ctx.base_address);
font::PrintLine("");
font::AddSpacingLines(0.5f);
for (u32 i = 0; i < aarch64::CpuContext::MaxStackTraceDepth / 2; i++) {
u64 bt_cur = 0, bt_next = 0;
if (i < m_context->cpu_ctx.aarch64_ctx.stack_trace_size) {
bt_cur = m_context->cpu_ctx.aarch64_ctx.stack_trace[i];
}
if (i + aarch64::CpuContext::MaxStackTraceDepth / 2 < m_context->cpu_ctx.aarch64_ctx.stack_trace_size) {
bt_next = m_context->cpu_ctx.aarch64_ctx.stack_trace[i + aarch64::CpuContext::MaxStackTraceDepth / 2];
}
if (i < m_context->cpu_ctx.aarch64_ctx.stack_trace_size) {
u32 x = font::GetX();
font::PrintFormat("BT[%02d]: ", i);
font::SetPosition(x + 72, font::GetY());
font::PrintMonospaceU64(bt_cur);
font::Print(" ");
}
if (i + aarch64::CpuContext::MaxStackTraceDepth / 2 < m_context->cpu_ctx.aarch64_ctx.stack_trace_size) {
u32 x = font::GetX();
font::PrintFormat("BT[%02d]: ", i + aarch64::CpuContext::MaxStackTraceDepth / 2);
font::SetPosition(x + 72, font::GetY());
font::PrintMonospaceU64(bt_next);
}
font::PrintLine("");
font::SetPosition(backtrace_x, font::GetY());
}
}
}
}
Result ShowFatalTask::InitializeNativeWindow() {
/* Setup nv driver. */
R_TRY(nvInitialize());
R_TRY(nvMapInit());
R_TRY(nvFenceInit());
/* Create nvmap. */
R_TRY(nvMapCreate(std::addressof(m_map), g_framebuffer_memory, sizeof(g_framebuffer_memory), 0x20000, NvKind_Pitch, true));
/* Setup graphics buffer. */
{
NvGraphicBuffer grbuf = {};
grbuf.header.num_ints = (sizeof(NvGraphicBuffer) - sizeof(NativeHandle)) / 4;
grbuf.unk0 = -1;
grbuf.magic = 0xDAFFCAFF;
grbuf.pid = 42;
grbuf.usage = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
grbuf.format = PIXEL_FORMAT_RGB_565;
grbuf.ext_format = PIXEL_FORMAT_RGB_565;
grbuf.num_planes = 1;
grbuf.planes[0].width = FatalScreenWidth;
grbuf.planes[0].height = FatalScreenHeight;
grbuf.planes[0].color_format = NvColorFormat_R5G6B5;
grbuf.planes[0].layout = NvLayout_BlockLinear;
grbuf.planes[0].kind = NvKind_Generic_16BX2;
grbuf.planes[0].block_height_log2 = 4;
grbuf.nvmap_id = nvMapGetId(std::addressof(m_map));
grbuf.stride = FatalScreenWidthAligned;
grbuf.total_size = sizeof(g_framebuffer_memory);
grbuf.planes[0].pitch = FatalScreenWidthAlignedBytes;
grbuf.planes[0].size = sizeof(g_framebuffer_memory);
grbuf.planes[0].offset = 0;
R_TRY(nwindowConfigureBuffer(std::addressof(m_win), 0, std::addressof(grbuf)));
}
R_SUCCEED();
}
void ShowFatalTask::DisplayPreRenderedFrame() {
s32 slot;
R_ABORT_UNLESS(nwindowDequeueBuffer(std::addressof(m_win), std::addressof(slot), nullptr));
dd::FlushDataCache(g_framebuffer_memory, sizeof(g_framebuffer_memory));
R_ABORT_UNLESS(nwindowQueueBuffer(std::addressof(m_win), m_win.cur_slot, NULL));
}
Result ShowFatalTask::ShowFatal() {
/* Pre-render the framebuffer. */
PreRenderFrameBuffer();
/* Prepare screen for drawing. */
R_ABORT_UNLESS(PrepareScreenForDrawing());
/* Display the pre-rendered frame. */
this->DisplayPreRenderedFrame();
R_SUCCEED();
}
Result ShowFatalTask::Run() {
/* Don't show the fatal error screen until we've verified the battery is okay. */
m_context->battery_event->Wait();
R_RETURN(ShowFatal());
}
void BacklightControlTask::TurnOnBacklight() {
R_ABORT_UNLESS(::lblInitialize());
::lblSwitchBacklightOn(0);
::lblExit();
}
Result BacklightControlTask::Run() {
TurnOnBacklight();
R_SUCCEED();
}
}
ITask *GetShowFatalTask(const ThrowContext *ctx) {
g_show_fatal_task.Initialize(ctx);
return std::addressof(g_show_fatal_task);
}
ITask *GetBacklightControlTask(const ThrowContext *ctx) {
g_backlight_control_task.Initialize(ctx);
return std::addressof(g_backlight_control_task);
}
}
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