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Implement Virtual Terminal and fix /dev/kcon

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This commit is contained in:
EnderIce2
2024-09-22 13:17:19 +03:00
parent 6f8e486740
commit 85b6fdef80
38 changed files with 1447 additions and 871 deletions
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11
core/panic/diag.cpp
View File

@ -41,7 +41,6 @@
#include "keyboard.hpp"
extern void ExPrint(const char *Format, ...);
extern Video::Font *CrashFont;
extern void DisplayTopOverlay();
extern CPU::ExceptionFrame *ExFrame;
@ -75,7 +74,7 @@ nsa bool WriteDiagDataToNode(FileNode *node)
uint8_t *buf = (uint8_t *)KernelAllocator.RequestPages(TO_PAGES(fileSize));
if (!buf)
{
ExPrint("\eFF0000Failed to allocate memory for diagnostic data\n");
ExPrint("\x1b[0;30;41mFailed to allocate memory for diagnostic data\x1b[0m\n");
Display->UpdateBuffer();
return false;
}
@ -89,12 +88,12 @@ nsa bool WriteDiagDataToNode(FileNode *node)
file->Data.KernelMemoryLength = uint32_t(kSize);
memcpy(file->Data.KernelMemory, (void *)KStart, kSize);
ExPrint("\eFAFAFAWriting to %s\n", node->Path.c_str());
ExPrint("Writing to %s\n", node->Path.c_str());
size_t w = node->Write(buf, fileSize, 0);
if (w != fileSize)
{
debug("%d out of %d bytes written", w, fileSize);
ExPrint("\eFF0000Failed to write diagnostic data to file: %s\n",
ExPrint("\x1b[0;30;41mFailed to write diagnostic data to file: %s\x1b[0m\n",
strerror((int)w));
Display->UpdateBuffer();
return false;
@ -108,7 +107,7 @@ nsa void DiagnosticDataCollection()
Display->ClearBuffer();
DisplayTopOverlay();
ExPrint("\n\eFAFAFAPlease wait while we collect some diagnostic information...\n");
ExPrint("\nPlease wait while we collect some diagnostic information...\n");
ExPrint("This may take a while...\n");
mode_t mode = S_IRWXU |
@ -119,7 +118,7 @@ nsa void DiagnosticDataCollection()
FileNode *panicDir = fs->ForceCreate(nullptr, "/var/panic", mode);
if (!panicDir)
{
ExPrint("\eFF0000Failed to create /var/panic\n");
ExPrint("\x1b[0;30;41mFailed to create /var/panic\x1b[0m\n");
Display->UpdateBuffer();
return;
}

88
core/panic/handler.cpp
View File

@ -22,6 +22,7 @@
#include <lock.hpp>
#include <rand.hpp>
#include <uart.hpp>
#include <kcon.hpp>
#include <debug.h>
#include <smp.hpp>
#include <cpu.hpp>
@ -38,6 +39,8 @@
#include "../../kernel.h"
using namespace KernelConsole;
extern const char *x86ExceptionMnemonics[];
extern void DisplayCrashScreen(CPU::ExceptionFrame *);
extern bool UserModeExceptionHandler(CPU::ExceptionFrame *);
@ -45,13 +48,43 @@ extern void DisplayStackSmashing();
extern void DisplayBufferOverflow();
extern void DisplayAssertionFailed(const char *, int, const char *);
Video::Font *CrashFont = nullptr;
void *FbBeforePanic = nullptr;
size_t FbPagesBeforePanic = 0;
FontRenderer CrashFontRenderer;
int ExTermColors[] = {
[TerminalColor::BLACK] = 0x000000,
[TerminalColor::RED] = 0xAA0000,
[TerminalColor::GREEN] = 0x00AA00,
[TerminalColor::YELLOW] = 0xAA5500,
[TerminalColor::BLUE] = 0x0000AA,
[TerminalColor::MAGENTA] = 0xAA00AA,
[TerminalColor::CYAN] = 0x00AAAA,
[TerminalColor::GREY] = 0xAAAAAA,
};
int ExTermBrightColors[] = {
[TerminalColor::BLACK] = 0x858585,
[TerminalColor::RED] = 0xFF5555,
[TerminalColor::GREEN] = 0x55FF55,
[TerminalColor::YELLOW] = 0xFFFF55,
[TerminalColor::BLUE] = 0x5555FF,
[TerminalColor::MAGENTA] = 0xFF55FF,
[TerminalColor::CYAN] = 0x55FFFF,
[TerminalColor::GREY] = 0xFFFFFF,
};
void paint_callback(TerminalCell *cell, long x, long y)
{
if (cell->attr.Bright)
CrashFontRenderer.Paint(x, y, cell->c, ExTermBrightColors[cell->attr.Foreground], ExTermColors[cell->attr.Background]);
else
CrashFontRenderer.Paint(x, y, cell->c, ExTermColors[cell->attr.Foreground], ExTermColors[cell->attr.Background]);
}
nsa void __printfWrapper(char c, void *)
{
Display->Print(c, CrashFont, true);
KernelConsole::Terminals[15]->Process(c);
}
nsa void ExPrint(const char *Format, ...)
@ -120,11 +153,17 @@ nsa void InitFont()
}
memcpy(FbBeforePanic, Display->GetBuffer, Display->GetSize);
if (CrashFont)
return;
CrashFont = new Video::Font(&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_start,
&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_end,
Video::FontType::PCScreenFont2);
if (CrashFontRenderer.CurrentFont == nullptr)
CrashFontRenderer.CurrentFont = new Video::Font(&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_start,
&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_end,
Video::FontType::PCScreenFont2);
if (Terminals[15] == nullptr)
{
size_t Cols = Display->GetWidth / CrashFontRenderer.CurrentFont->GetInfo().Width;
size_t Rows = Display->GetHeight / CrashFontRenderer.CurrentFont->GetInfo().Height;
Terminals[15] = new VirtualTerminal(Cols, Rows, Display->GetWidth, Display->GetHeight, paint_callback, nullptr);
}
}
std::atomic<bool> UnrecoverableLock = false;
@ -137,7 +176,7 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
for (uint32_t y = 0; y < Display->GetHeight; y++)
Display->SetPixel(x, y, 0xFF250500);
Display->SetBufferCursor(0, 0);
ExPrint("\x1b[H");
}
CPUData *core = GetCurrentCPU();
@ -145,8 +184,8 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
while (UnrecoverableLock.exchange(true, std::memory_order_acquire))
CPU::Pause();
ExPrint("\eFFFFFF-----------------------------------------------\n");
ExPrint("Unrecoverable exception %#lx on CPU %d\n",
ExPrint("\x1b[0m-----------------------------------------------\n");
ExPrint("\x1b[30;41mUnrecoverable exception %#lx on CPU %d\n",
Frame->InterruptNumber, core->ID);
#if defined(a86)
ExPrint("CR0=%#lx CR2=%#lx CR3=%#lx CR4=%#lx CR8=%#lx\n",
@ -191,7 +230,7 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
nsa __noreturn void HandleExceptionInsideException(CPU::ExceptionFrame *Frame)
{
ExPrint("\eFFFFFF-----------------------------------------------\n");
ExPrint("\x1b[0m-----------------------------------------------\n");
ExPrint("Exception inside exception: %#lx at %#lx\n",
Frame->InterruptNumber,
#if defined(a64)
@ -282,14 +321,13 @@ nsa void HandleException(CPU::ExceptionFrame *Frame)
{
const char msg[] = "Entering in panic mode...";
size_t msgLen = strlen(msg);
size_t msgPixels = msgLen * CrashFont->GetInfo().Width;
size_t msgPixels = msgLen * CrashFontRenderer.CurrentFont->GetInfo().Width;
uint32_t x = uint32_t((Display->GetWidth - msgPixels) / 2);
uint32_t y = uint32_t((Display->GetHeight - CrashFont->GetInfo().Height) / 2);
Display->SetBufferCursor(x, y);
Display->PrintString("\eFF2525");
Display->PrintString(msg, CrashFont);
Display->SetBufferCursor(0, 0);
Display->UpdateBuffer();
uint32_t y = uint32_t((Display->GetHeight - CrashFontRenderer.CurrentFont->GetInfo().Height) / 2);
x /= CrashFontRenderer.CurrentFont->GetInfo().Width;
y /= CrashFontRenderer.CurrentFont->GetInfo().Height;
printf("\x1b[2J\x1b[%d;%dH", y, x);
printf("\x1b[30;41m%s\x1b[0m\x1b[H", msg);
}
if (DriverManager)
@ -314,12 +352,16 @@ nsa void BaseBufferStackError(bool Stack)
do it for us if we return. */
CPU::PageTable(KernelPageTable);
if (CrashFont == nullptr)
if (CrashFontRenderer.CurrentFont == nullptr)
CrashFontRenderer.CurrentFont = new Video::Font(&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_start,
&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_end,
Video::FontType::PCScreenFont2);
if (Terminals[15] == nullptr)
{
/* Hope we won't crash here */
CrashFont = new Video::Font(&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_start,
&_binary_files_tamsyn_font_1_11_Tamsyn8x16b_psf_end,
Video::FontType::PCScreenFont2);
size_t Cols = Display->GetWidth / CrashFontRenderer.CurrentFont->GetInfo().Width;
size_t Rows = Display->GetHeight / CrashFontRenderer.CurrentFont->GetInfo().Height;
Terminals[15] = new VirtualTerminal(Cols, Rows, Display->GetWidth, Display->GetHeight, paint_callback, nullptr);
}
ExceptionLock.store(true, std::memory_order_release);

41
core/panic/keyboard.cpp
View File

@ -20,6 +20,7 @@
#include <display.hpp>
#include <convert.h>
#include <printf.h>
#include <kcon.hpp>
#include <debug.h>
#include <smp.hpp>
#include <cpu.hpp>
@ -33,13 +34,16 @@
#include "../../kernel.h"
#define ERROR_COLOR "\eFF0000"
#define WARN_COLOR "\eFFAA00"
#define DEFAULT_COLOR "\e00FF00"
using namespace KernelConsole;
#define ERROR_COLOR "\x1b[31m"
#define WARN_COLOR "\x1b[33m"
#define DEFAULT_COLOR "\x1b[0m"
extern void ExPrint(const char *Format, ...);
extern void ArrowInput(uint8_t key);
extern void UserInput(char *Input);
extern FontRenderer CrashFontRenderer;
const char sc_ascii_low[] = {'?', '?', '1', '2', '3', '4', '5', '6',
'7', '8', '9', '0', '-', '=', '?', '?', 'q', 'w', 'e', 'r', 't', 'y',
@ -142,16 +146,13 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
{
#define WaitRead PS2Wait(true)
#define WaitWrite PS2Wait(false)
#define SetMessageLocation \
Display->SetBufferCursor(8, \
Display->GetHeight - \
Display->GetCurrentFont()->GetInfo().Height - 24)
#define SetMessageLocation \
ExPrint("\x1b[%d;%dH", (Display->GetWidth / CrashFontRenderer.CurrentFont->GetInfo().Width) - 1, 0);
CPU::Interrupts(CPU::Disable);
/* Dots will be printed at the bottom of the screen as a progress bar. */
Display->SetBufferCursor(8,
Display->GetHeight -
Display->GetCurrentFont()->GetInfo().Height - 8);
ExPrint("\x1b[%d;%dH", (Display->GetWidth / CrashFontRenderer.CurrentFont->GetInfo().Width) - 2, 0);
#if defined(a86)
/* Disable port 1 & 2 */
@ -164,7 +165,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
WaitWrite;
outb(0x64, 0xA7);
}
Display->Print('.');
ExPrint(".");
/* Flush */
{
@ -181,7 +182,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
}
}
Display->Print('.');
ExPrint(".");
/* Test controller */
{
/* Save config */
@ -221,7 +222,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
WaitWrite;
outb(0x60, cfg);
}
Display->Print('.');
ExPrint(".");
/* Disable scanning; Enable port 1; Set default settings */
{
@ -235,7 +236,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
/* Set default settings */
outb(0x60, 0xF6);
}
Display->Print('.');
ExPrint(".");
/* Test port 1 */
{
@ -264,7 +265,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
}
}
}
Display->Print('.');
ExPrint(".");
/* Configure the controller */
{
@ -283,7 +284,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
WaitWrite;
outb(0x60, cfg);
}
Display->Print('.');
ExPrint(".");
/* Enable port 1; Set scan code; Enable scanning */
{
@ -327,7 +328,7 @@ CrashKeyboardDriver::CrashKeyboardDriver() : Interrupts::Handler(1) /* IRQ1 */
/* Enable scanning */
outb(0x60, 0xF4);
}
Display->Print('.');
ExPrint(".");
#endif // defined(a86)
@ -365,7 +366,8 @@ nsa void CrashKeyboardDriver::OnInterruptReceived(CPU::TrapFrame *Frame)
{
if (BackSpaceLimit > 0)
{
Display->Print('\b');
char keyBuf[5] = {'\b', '\x1b', '[', 'K', '\0'};
ExPrint(keyBuf);
backspace(UserInputBuffer);
BackSpaceLimit--;
}
@ -379,7 +381,8 @@ nsa void CrashKeyboardDriver::OnInterruptReceived(CPU::TrapFrame *Frame)
else
{
append(UserInputBuffer, s_cst(char, key));
Display->Print((char)key);
char keyBuf[2] = {(char)key, '\0'};
ExPrint(keyBuf);
BackSpaceLimit++;
}
Display->UpdateBuffer(); /* Update as we type. */

372
core/panic/ui.cpp
View File

@ -42,8 +42,8 @@
extern void ExPrint(const char *Format, ...);
extern void DiagnosticDataCollection();
extern void InitFont();
extern KernelConsole::FontRenderer CrashFontRenderer;
extern Video::Font *CrashFont;
extern void *FbBeforePanic;
struct StackFrame
@ -168,8 +168,7 @@ nsa char *TrimWhiteSpace(char *str)
nsa void ExDumpData(void *Address, unsigned long Length)
{
ExPrint("\eAAAAAA-------------------------------------------------------------------------\n");
Display->UpdateBuffer();
ExPrint("-------------------------------------------------------------------------\n");
unsigned char *AddressChar = (unsigned char *)Address;
unsigned char Buffer[17];
unsigned long Iterate;
@ -178,11 +177,10 @@ nsa void ExDumpData(void *Address, unsigned long Length)
if ((Iterate % 16) == 0)
{
if (Iterate != 0)
ExPrint(" \e8A78FF%s\eAABBCC\n", Buffer);
ExPrint(" \e9E9E9E%04x\eAABBCC ", Iterate);
Display->UpdateBuffer();
ExPrint(" %s\n", Buffer);
ExPrint(" %04x ", Iterate);
}
ExPrint(" \e4287f5%02x\eAABBCC", AddressChar[Iterate]);
ExPrint(" %02x", AddressChar[Iterate]);
if ((AddressChar[Iterate] < 0x20) || (AddressChar[Iterate] > 0x7E))
Buffer[Iterate % 16] = '.';
else
@ -193,65 +191,38 @@ nsa void ExDumpData(void *Address, unsigned long Length)
while ((Iterate % 16) != 0)
{
ExPrint(" ");
Display->UpdateBuffer();
Iterate++;
}
ExPrint(" \e8A78FF%s\eAAAAAA\n", Buffer);
ExPrint(" %s\n", Buffer);
ExPrint("-------------------------------------------------------------------------\n\n.");
Display->UpdateBuffer();
}
nsa void DisplayTopOverlay()
{
Video::Font *f = Display->GetCurrentFont();
Video::FontInfo fi = f->GetInfo();
for (uint32_t i = 0; i < Display->GetWidth; i++)
{
for (uint32_t j = 0; j < fi.Height + 8; j++)
{
// uint32_t grayValue = 0x505050 - (j * 0x020202);
// Display->SetPixel(i, j, grayValue);
Display->SetPixel(i, j, 0x202020);
}
}
for (uint32_t i = 0; i < Display->GetWidth; i++)
Display->SetPixel(i, fi.Height + 8, 0x404040);
Display->SetBufferCursor(8, (fi.Height + 8) / 6);
/* This wouldn't have enough space for a 640x480 screen */
// ExPrint("%sMAIN %sDETAILS %sSTACK %sPROCESS \eAAAAAA| ",
// ActiveScreen == 0 ? "\e00AAFF" : "\eAAAAAA",
// ActiveScreen == 1 ? "\e00AAFF" : "\eAAAAAA",
// ActiveScreen == 2 ? "\e00AAFF" : "\eAAAAAA",
// ActiveScreen == 3 ? "\e00AAFF" : "\eAAAAAA");
ExPrint("%s %s %s %s \eAAAAAA| ",
ActiveScreen == 0 ? "\eAAAAAA"
ExPrint("\x1b[H%s %s %s %s \x1b[0m| ",
ActiveScreen == 0 ? "\x1b[1;37m"
"MAIN "
: "\e5A5A5A"
: "\x1b[0m"
"M",
ActiveScreen == 1 ? "\eAAAAAA"
ActiveScreen == 1 ? "\x1b[1;37m"
"DETAIL "
: "\e5A5A5A"
: "\x1b[0m"
"D",
ActiveScreen == 2 ? "\eAAAAAA"
ActiveScreen == 2 ? "\x1b[1;37m"
"STACK "
: "\e5A5A5A"
: "\x1b[0m"
"S",
ActiveScreen == 3 ? "\eAAAAAA"
ActiveScreen == 3 ? "\x1b[1;37m"
"PROCESS"
: "\e5A5A5A"
: "\x1b[0m"
"P");
ExPrint("%s %s %s | ", KERNEL_NAME, KERNEL_ARCH, KERNEL_VERSION);
ExPrint("%ld | ", TO_MiB(KernelAllocator.GetFreeMemory()));
ExPrint("%s %s", CPU::Hypervisor(), CPU::Vendor());
Display->SetBufferCursor(0, fi.Height + 10);
ExPrint("\x1b[3;1H");
/* https://imgflip.com/i/77slbl */
if ((Random::rand32() % 100) >= 98)
@ -320,23 +291,12 @@ nsa void DisplayTopOverlay()
nsa void DisplayBottomOverlay()
{
Video::Font *f = Display->GetCurrentFont();
Video::FontInfo fi = f->GetInfo();
for (uint32_t i = 0; i < Display->GetWidth; i++)
for (uint32_t j = Display->GetHeight - fi.Height - 8; j < Display->GetHeight; j++)
Display->SetPixel(i, j, 0x202020);
for (uint32_t i = 0; i < Display->GetWidth; i++)
Display->SetPixel(i, Display->GetHeight - fi.Height - 8, 0x404040);
Display->SetBufferCursor(8, Display->GetHeight - fi.Height - 4);
ExPrint("\eAAAAAA> \eFAFAFA");
ExPrint("\x1b[%d;%dH> \x1b[1;37m", (Display->GetWidth / CrashFontRenderer.CurrentFont->GetInfo().Width) - 1, 1);
}
nsa void DisplayMainScreen(CPU::ExceptionFrame *Frame)
{
ExPrint("\n\eFAFAFAWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nError: %s (%s 0x%x)\n",
#if defined(a86)
@ -373,15 +333,15 @@ nsa void DisplayMainScreen(CPU::ExceptionFrame *Frame)
ExPrint(" 2. Remove any newly installed hardware.\n");
ExPrint(" 3. Check for any available updates for your operating system.\n");
ExPrint(" 4. Uninstall any recently installed drivers or software.\n");
ExPrint(" If none of the above steps resolve the issue, create a new issue on \e00AAFFhttps://github.com/Fennix-Project/Fennix\eFAFAFA for further assistance.\n");
ExPrint(" If none of the above steps resolve the issue, create a new issue on https://github.com/Fennix-Project/Fennix for further assistance.\n");
ExPrint("\nUse command 'diag' to create a diagnostic report.\n");
}
nsa void DisplayDetailsScreen(CPU::ExceptionFrame *Frame)
{
ExPrint("\n\eFAFAFAException Frame:\n");
ExPrint(" General Purpose Registers:\n\eAAAAAA");
ExPrint("\nException Frame:\n");
ExPrint(" General Purpose Registers:\n");
ExPrint(" RAX: %#lx RBX: %#lx RCX: %#lx RDX: %#lx\n",
Frame->rax, Frame->rbx, Frame->rcx, Frame->rdx);
ExPrint(" RSI: %#lx RDI: %#lx R8: %#lx R9: %#lx\n",
@ -390,28 +350,28 @@ nsa void DisplayDetailsScreen(CPU::ExceptionFrame *Frame)
Frame->r10, Frame->r11, Frame->r12, Frame->r13);
ExPrint(" R14: %#lx R15: %#lx\n", Frame->r14, Frame->r15);
ExPrint("\eFAFAFA Control Registers:\n\eAAAAAA");
ExPrint(" Control Registers:\n");
ExPrint(" CR0: %#lx CR2: %#lx CR3: %#lx CR4: %#lx\n",
Frame->cr0, Frame->cr2, Frame->cr3, Frame->cr4);
ExPrint(" CR8: %#lx\n", Frame->cr8);
ExPrint("\eFAFAFA Segment Registers:\n\eAAAAAA");
ExPrint(" Segment Registers:\n");
ExPrint(" CS: %#lx SS: %#lx DS: %#lx ES: %#lx FS: %#lx GS: %#lx\n",
Frame->cs, Frame->ss, Frame->ds, Frame->es, Frame->fs, Frame->gs);
ExPrint("\eFAFAFA Debug Registers:\n\eAAAAAA");
ExPrint(" Debug Registers:\n");
ExPrint(" DR0: %#lx DR1: %#lx DR2: %#lx DR3: %#lx\n",
Frame->dr0, Frame->dr1, Frame->dr2, Frame->dr3);
ExPrint(" DR6: %#lx DR7: %#lx\n", Frame->dr6, Frame->dr7);
ExPrint("\eFAFAFA Other:\n\eAAAAAA");
ExPrint(" Other:\n");
ExPrint(" INT: %#lx ERR: %#lx RIP: %#lx RFLAGS: %#lx\n",
Frame->InterruptNumber, Frame->ErrorCode,
Frame->rip, Frame->rflags.raw);
ExPrint(" RSP: %#lx RBP: %#lx\n",
Frame->rsp, Frame->rbp);
ExPrint("\eFAFAFAException Details:\n");
ExPrint("Exception Details:\n");
switch (Frame->InterruptNumber)
{
case CPU::x86::PageFault:
@ -477,7 +437,7 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
sf = (struct StackFrame *)Frame->ebp;
#endif
ExPrint("\n\eFAFAFAStack trace (%#lx):\n", sf);
ExPrint("\nStack trace (%#lx):\n", sf);
if (!vmm.Check(sf))
{
@ -487,7 +447,7 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
sf = (struct StackFrame *)ptr;
else
{
ExPrint("\eFF0000< No stack trace available. >\n");
ExPrint("\x1b[31m< No stack trace available. >\x1b[0m\n");
return;
}
}
@ -503,8 +463,8 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
fIP = Frame->pc;
#endif
ExPrint("\eAAAAAA%p", (void *)fIP);
ExPrint("\e5A5A5A in ");
ExPrint("%p", (void *)fIP);
ExPrint(" in ");
if ((fIP >= (uintptr_t)&_kernel_start &&
fIP <= (uintptr_t)&_kernel_end))
{
@ -513,15 +473,15 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
if (offset < 0)
offset = -offset;
ExPrint("\eFAFAFA%s\e5A5A5A+%#lx \eFFAAAA<- Exception\n",
ExPrint("%s+%#lx \x1b[31m<- Exception\x1b[0m\n",
sym, offset);
}
else
ExPrint("\eFF5555??? \eFFAAAA<- Exception\n");
ExPrint("??? \x1b[31m<- Exception\x1b[0m\n");
if (!sf || !sf->ip || !sf->bp)
{
ExPrint("\n\eFF0000< No stack trace available. >\n");
ExPrint("\n\x1b[31m< No stack trace available. >\x1b[0m\n");
return;
}
@ -530,8 +490,8 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
if (!sf->ip)
break;
ExPrint("\eAAAAAA%p", (void *)sf->ip);
ExPrint("\e5A5A5A in ");
ExPrint("%p", (void *)sf->ip);
ExPrint(" in ");
if ((sf->ip >= (uintptr_t)&_kernel_start &&
sf->ip <= (uintptr_t)&_kernel_end))
{
@ -540,10 +500,10 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
if (offset < 0)
offset = -offset;
ExPrint("\eFAFAFA%s\e5A5A5A+%#lx\n", sym, offset);
ExPrint("%s+%#lx\n", sym, offset);
}
else
ExPrint("\eFF5555???\n");
ExPrint("???\n");
if (!vmm.Check(sf->bp))
return;
@ -554,17 +514,17 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
nsa void DisplayProcessScreen(CPU::ExceptionFrame *Frame, bool IgnoreReady = true)
{
const char *StatusColor[] = {
"FF0000", // Unknown
"AAFF00", // Ready
"00AA00", // Running
"FFAA00", // Sleeping
"FFAA00", // Blocked
"FFAA00", // Stopped
"FFAA00", // Waiting
"31m", // Unknown
"1;33m", // Ready
"32m", // Running
"1;33m", // Sleeping
"1;33m", // Blocked
"1;33m", // Stopped
"1;33m", // Waiting
"FF00FF", // Core dump
"FF0088", // Zombie
"FF0000", // Terminated
"35m", // Core dump
"1;31m", // Zombie
"31m", // Terminated
};
const char *StatusString[] = {
@ -583,7 +543,7 @@ nsa void DisplayProcessScreen(CPU::ExceptionFrame *Frame, bool IgnoreReady = tru
if (!TaskManager)
{
ExPrint("\eFF5555Tasking is not initialized\n");
ExPrint("Tasking is not initialized\n");
return;
}
@ -593,7 +553,7 @@ nsa void DisplayProcessScreen(CPU::ExceptionFrame *Frame, bool IgnoreReady = tru
std::vector<Tasking::PCB *> Plist = TaskManager->GetProcessList();
ExPrint("\n\eFAFAFAProcess list (%ld):\n", Plist.size());
ExPrint("\nProcess list (%ld):\n", Plist.size());
bool pRdy = false;
bool showNote = false;
/* FIXME: This is slow */
@ -620,9 +580,9 @@ nsa void DisplayProcessScreen(CPU::ExceptionFrame *Frame, bool IgnoreReady = tru
}
}
ExPrint("\eAAAAAA-> \eFAFAFA%.*s%s\e8A8A8A(%ld) \e%s%s \e8A8A8A[exe: %s]\n",
ExPrint("-> %.*s%s(%ld) \x1b[%s%s\x1b[0m [exe: %s]\n",
textLimit, Process->Name,
strlen(Process->Name) > textLimit ? "\e8A8A8A..." : "",
strlen(Process->Name) > textLimit ? "..." : "",
Process->ID, StatusColor[Process->State.load()],
StatusString[Process->State.load()],
Process->Executable
@ -641,22 +601,24 @@ nsa void DisplayProcessScreen(CPU::ExceptionFrame *Frame, bool IgnoreReady = tru
continue;
}
ExPrint("\eAAAAAA -> \eFAFAFA%.*s%s\e8A8A8A(%ld) \e%s%s\n",
ExPrint(" -> %.*s%s(%ld) \x1b[%s%s\x1b[0m\n",
textLimit, Thread->Name,
strlen(Thread->Name) > textLimit ? "\e8A8A8A..." : "",
strlen(Thread->Name) > textLimit ? "..." : "",
Thread->ID, StatusColor[Thread->State.load()],
StatusString[Thread->State.load()]);
}
if (tRdy)
ExPrint("\eAAAAAA%s -> \e8A8A8A...\n");
ExPrint(" -> ...\n");
}
if (pRdy)
ExPrint("\eAAAAAA-> \e8A8A8A...\n");
ExPrint("-> ...\n");
if (showNote)
ExPrint("\e5A5A5ANote: Some processes may not be displayed.\n");
ExPrint("Note: Some processes may not be displayed.\n");
}
void UserInput(char *Input);
void ArrowInput(uint8_t key);
CPU::ExceptionFrame *ExFrame;
nsa void DisplayCrashScreen(CPU::ExceptionFrame *Frame)
{
@ -668,11 +630,10 @@ nsa void DisplayCrashScreen(CPU::ExceptionFrame *Frame)
// memcpy(BufferBeforeUpdate, Display->GetBuffer, Display->GetSize);
Display->ClearBuffer();
ExPrint("\x1b[2J\x1b[H");
if (Config.InterruptsOnCrash == false)
{
Display->SetBufferCursor(0, 0);
DisplayMainScreen(Frame);
Display->UpdateBuffer();
CPU::Stop();
}
@ -680,21 +641,122 @@ nsa void DisplayCrashScreen(CPU::ExceptionFrame *Frame)
DisplayMainScreen(Frame);
Display->UpdateBuffer();
new CrashKeyboardDriver;
DisplayBottomOverlay();
Display->UpdateBuffer();
CPU::Halt(true);
// CPU::Halt(true);
#ifdef DEBUG
static int once = 0;
static uint8_t com4 = 0xFF;
if (!once++)
com4 = inb(0x2E8);
if (com4 == 0xFF)
CPU::Halt(true);
char UserInputBuffer[256]{'\0'};
int BackSpaceLimit = 0;
while (true)
{
while ((inb(0x2E8 + 5) & 1) == 0)
CPU::Pause();
char key = inb(0x2E8);
// debug("key: %d", key);
if (key == '\x7f') /* Backspace (DEL) */
{
if (BackSpaceLimit <= 0)
continue;
char keyBuf[5] = {'\b', '\x1b', '[', 'K', '\0'};
ExPrint(keyBuf);
backspace(UserInputBuffer);
BackSpaceLimit--;
continue;
}
else if (key == '\x0d') /* Enter (CR) */
{
UserInput(UserInputBuffer);
BackSpaceLimit = 0;
UserInputBuffer[0] = '\0';
continue;
}
else if (key == '\x1b') /* Escape */
{
char tmp[16]{'\0'};
append(tmp, key);
while ((inb(0x2E8 + 5) & 1) == 0)
CPU::Pause();
char key = inb(0x2E8);
append(tmp, key);
if (key == '[')
{
// 27 91
// < 68
// > 67
// down 66
// up 65
while ((inb(0x2E8 + 5) & 1) == 0)
CPU::Pause();
key = inb(0x2E8);
append(tmp, key);
switch (key)
{
case 'A':
key = KEY_D_UP;
break;
case 'B':
key = KEY_D_DOWN;
break;
case 'C':
key = KEY_D_RIGHT;
break;
case 'D':
key = KEY_D_LEFT;
break;
default:
{
for (size_t i = 0; i < strlen(tmp); i++)
{
if ((int)sizeof(UserInputBuffer) <= BackSpaceLimit)
continue;
append(UserInputBuffer, tmp[i]);
BackSpaceLimit++;
char keyBuf[2] = {(char)tmp[i], '\0'};
ExPrint(keyBuf);
}
continue;
}
}
ArrowInput(key);
continue;
}
}
if ((int)sizeof(UserInputBuffer) <= BackSpaceLimit)
continue;
append(UserInputBuffer, key);
BackSpaceLimit++;
char keyBuf[2] = {(char)key, '\0'};
ExPrint(keyBuf);
}
#endif
}
nsa void DisplayStackSmashing()
{
InitFont();
ExPrint("\x1b[2J\x1b[H");
Display->ClearBuffer();
DisplayTopOverlay();
ExPrint("\n\eFAFAFAWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nError: Stack Smashing In Kernel Mode\n");
CPUData *core = GetCurrentCPU();
@ -708,9 +770,7 @@ nsa void DisplayStackSmashing()
ExPrint("\nWhat to do:\n");
ExPrint(" This is a kernel bug.\n");
ExPrint(" Please create a new issue on \e00AAFFhttps://github.com/Fennix-Project/Fennix\eFAFAFA for further assistance.\n");
Display->UpdateBuffer();
ExPrint(" Please create a new issue on https://github.com/Fennix-Project/Fennix for further assistance.\n");
/* TODO: Add additional info */
}
@ -718,10 +778,11 @@ nsa void DisplayStackSmashing()
nsa void DisplayBufferOverflow()
{
InitFont();
ExPrint("\x1b[2J\x1b[H");
Display->ClearBuffer();
DisplayTopOverlay();
ExPrint("\n\eFAFAFAWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nError: Buffer Overflow In Kernel Mode\n");
CPUData *core = GetCurrentCPU();
@ -735,9 +796,7 @@ nsa void DisplayBufferOverflow()
ExPrint("\nWhat to do:\n");
ExPrint(" This is a kernel bug.\n");
ExPrint(" Please create a new issue on \e00AAFFhttps://github.com/Fennix-Project/Fennix\eFAFAFA for further assistance.\n");
Display->UpdateBuffer();
ExPrint(" Please create a new issue on https://github.com/Fennix-Project/Fennix for further assistance.\n");
/* TODO: Add additional info */
}
@ -745,10 +804,11 @@ nsa void DisplayBufferOverflow()
nsa void DisplayAssertionFailed(const char *File, int Line, const char *Expression)
{
InitFont();
ExPrint("\x1b[2J\x1b[H");
Display->ClearBuffer();
DisplayTopOverlay();
ExPrint("\n\eFAFAFAWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nWe're sorry, but the system has encountered a critical error and needs to restart.\n");
ExPrint("\nError: Assertion Failed\n");
ExPrint("In file \"%s\" at line %d, \"%s\" failed\n",
File, Line, Expression);
@ -764,7 +824,7 @@ nsa void DisplayAssertionFailed(const char *File, int Line, const char *Expressi
ExPrint("\nWhat to do:\n");
ExPrint(" This is a kernel bug.\n");
ExPrint(" Please create a new issue on \e00AAFFhttps://github.com/Fennix-Project/Fennix\eFAFAFA for further assistance.\n");
ExPrint(" Please create a new issue on https://github.com/Fennix-Project/Fennix for further assistance.\n");
CPU::ExceptionFrame ef;
// Fill only the necessary fields
@ -789,7 +849,6 @@ nsa void DisplayAssertionFailed(const char *File, int Line, const char *Expressi
ef.ebp = ef.esp = (uint32_t)stk;
#endif
DisplayStackScreen(&ef);
Display->UpdateBuffer();
/* TODO: Add additional info */
}
@ -817,6 +876,7 @@ nsa void ArrowInput(uint8_t key)
}
Display->ClearBuffer();
ExPrint("\x1b[2J");
DisplayTopOverlay();
switch (ActiveScreen)
@ -838,31 +898,31 @@ nsa void ArrowInput(uint8_t key)
}
DisplayBottomOverlay();
Display->UpdateBuffer();
}
nsa void UserInput(char *Input)
{
debug("User input: %s", Input);
Display->ClearBuffer();
ExPrint("\x1b[2J");
DisplayTopOverlay();
if (strcmp(Input, "help") == 0)
{
ExPrint("Commands:\n");
ExPrint("\eAAAAAA help - Display this help message.\n");
ExPrint("\eCACACA clear - Clear the screen.\n");
ExPrint("\eAAAAAA exit - Shutdown the device.\n");
ExPrint("\eCACACA reboot - Reboot the device.\n");
ExPrint("\eAAAAAA bitmap - Display the kernel's bitmap.\n");
ExPrint("\eCACACA mem - Display memory information.\n");
ExPrint("\eAAAAAA dump [addr] [len] - Dump [len] bytes from [addr].\n");
ExPrint("\eCACACA diag - Collect diagnostic information.\n");
ExPrint("\eAAAAAA screen - Display the final output prior to system panic.\n");
ExPrint("\x1b[1;37m help - Display this help message.\n");
ExPrint("\x1b[0m clear - Clear the screen.\n");
ExPrint("\x1b[1;37m exit - Shutdown the device.\n");
ExPrint("\x1b[0m reboot - Reboot the device.\n");
ExPrint("\x1b[1;37m bitmap - Display the kernel's bitmap.\n");
ExPrint("\x1b[0m mem - Display memory information.\n");
ExPrint("\x1b[1;37m dump [addr] [len] - Dump [len] bytes from [addr].\n");
ExPrint("\x1b[0m diag - Collect diagnostic information.\n");
ExPrint("\x1b[1;37m screen - Display the final output prior to system panic.\n");
}
else if (strcmp(Input, "clear") == 0)
{
Display->ClearBuffer();
ExPrint("\x1b[2J");
DisplayTopOverlay();
}
else if (strcmp(Input, "exit") == 0)
@ -871,14 +931,15 @@ nsa void UserInput(char *Input)
const char msg[] = "Shutting down...";
size_t msgLen = strlen(msg);
size_t msgPixels = msgLen * CrashFont->GetInfo().Width;
size_t msgPixels = msgLen * CrashFontRenderer.CurrentFont->GetInfo().Width;
uint32_t x = uint32_t((Display->GetWidth - msgPixels) / 2);
uint32_t y = uint32_t((Display->GetHeight - CrashFont->GetInfo().Height) / 2);
Display->SetBufferCursor(x, y);
Display->PrintString("\eAAAAAA");
Display->PrintString(msg, CrashFont);
uint32_t y = uint32_t((Display->GetHeight - CrashFontRenderer.CurrentFont->GetInfo().Height) / 2);
x /= CrashFontRenderer.CurrentFont->GetInfo().Width;
y /= CrashFontRenderer.CurrentFont->GetInfo().Height;
ExPrint("\x1b[2J");
ExPrint("\x1b[%d;%dH", y, x);
ExPrint("\x1b[30;41m%s\x1b[0m\x1b[H", msg);
Display->UpdateBuffer();
PowerManager->Shutdown();
CPU::Stop();
}
@ -888,42 +949,37 @@ nsa void UserInput(char *Input)
const char msg[] = "Rebooting...";
size_t msgLen = strlen(msg);
size_t msgPixels = msgLen * CrashFont->GetInfo().Width;
size_t msgPixels = msgLen * CrashFontRenderer.CurrentFont->GetInfo().Width;
uint32_t x = uint32_t((Display->GetWidth - msgPixels) / 2);
uint32_t y = uint32_t((Display->GetHeight - CrashFont->GetInfo().Height) / 2);
Display->SetBufferCursor(x, y);
Display->PrintString("\eAAAAAA");
Display->PrintString(msg, CrashFont);
uint32_t y = uint32_t((Display->GetHeight - CrashFontRenderer.CurrentFont->GetInfo().Height) / 2);
x /= CrashFontRenderer.CurrentFont->GetInfo().Width;
y /= CrashFontRenderer.CurrentFont->GetInfo().Height;
ExPrint("\x1b[2J");
ExPrint("\x1b[%d;%dH", y, x);
ExPrint("\x1b[30;41m%s\x1b[0m\x1b[H", msg);
Display->UpdateBuffer();
PowerManager->Reboot();
CPU::Stop();
}
else if (strncmp(Input, "bitmap", 6) == 0)
{
Bitmap bm = KernelAllocator.GetPageBitmap();
Video::Font *oldFont = CrashFont;
CrashFont = Display->GetDefaultFont();
ExPrint("\n\eAAAAAA[0%%] %08ld: ", 0);
ExPrint("\n[0%%] %08ld: ", 0);
for (size_t i = 0; i < bm.Size; i++)
{
if (bm.Get(i))
Display->PrintString("\eFF0000");
ExPrint("\x1b[31m1\x1b[0m");
else
Display->PrintString("\e00FF00");
Display->Print('0');
ExPrint("\x1b[32m0\x1b[0m");
if (i % 128 == 127)
{
short Percentage = s_cst(short, (i * 100) / bm.Size);
ExPrint("\n\eAAAAAA[%03ld%%] %08ld: ", Percentage, i);
Display->UpdateBuffer();
ExPrint("\n[%03ld%%] %08ld: ", Percentage, i);
}
}
ExPrint("\n\eAAAAAA--- END OF BITMAP ---\nBitmap size: %ld\n\n.", bm.Size);
ExPrint("\n--- END OF BITMAP ---\nBitmap size: %ld\n\n.", bm.Size);
DisplayTopOverlay();
Display->UpdateBuffer();
CrashFont = oldFont;
}
else if (strcmp(Input, "mem") == 0)
{
@ -932,17 +988,17 @@ nsa void UserInput(char *Input)
uint64_t Free = KernelAllocator.GetFreeMemory();
uint64_t Reserved = KernelAllocator.GetReservedMemory();
ExPrint("\e22AA44Total: %ld bytes\n\eFF0000Used: %ld bytes\n\e00FF00Free: %ld bytes\n\eFF00FFReserved: %ld bytes\n", Total, Used, Free, Reserved);
ExPrint("\x1b[1;32mTotal: %ld bytes\n\x1b[1;31mUsed: %ld bytes\n\x1b[1;32mFree: %ld bytes\n\x1b[1;35mReserved: %ld bytes\n", Total, Used, Free, Reserved);
int Progress = s_cst(int, (Used * 100) / Total);
int ReservedProgress = s_cst(int, (Reserved * 100) / Total);
ExPrint("\e22AA44%3d%% \eCCCCCC[", Progress);
ExPrint("\x1b[1;32m%3d%% \x1b[0m[", Progress);
for (int i = 0; i < Progress; i++)
ExPrint("\eFF0000|");
ExPrint("\x1b[1;31m|");
for (int i = 0; i < 100 - Progress; i++)
ExPrint("\e00FF00|");
ExPrint("\x1b[1;32m|");
for (int i = 0; i < ReservedProgress; i++)
ExPrint("\eFF00FF|");
ExPrint("\eCCCCCC]\eAAAAAA\n");
ExPrint("\x1b[1;35m|");
ExPrint("\x1b[0m]\n");
}
else if (strncmp(Input, "dump", 4) == 0)
{
@ -951,7 +1007,7 @@ nsa void UserInput(char *Input)
char *len = strtok(NULL, " ");
if (addr == NULL || len == NULL)
{
ExPrint("\eFF0000Invalid arguments\n");
ExPrint("\x1b[31mInvalid arguments\n");
goto End;
}
@ -968,7 +1024,7 @@ nsa void UserInput(char *Input)
{
if (!vmm.Check((void *)adr))
{
ExPrint("\eFFA500Address %#lx is not mapped\n", adr);
ExPrint("\x1b[31mAddress %#lx is not mapped\n", adr);
IsRangeValid = false;
}
}
@ -977,11 +1033,7 @@ nsa void UserInput(char *Input)
if (IsRangeValid)
{
debug("Dumping %ld bytes from %#lx\n", Length, Address);
Video::Font *oldFont = CrashFont;
CrashFont = Display->GetDefaultFont();
ExDumpData((void *)Address, (unsigned long)Length);
CrashFont = oldFont;
}
}
else if (strcmp(Input, "diag") == 0)
@ -992,11 +1044,10 @@ nsa void UserInput(char *Input)
{
if (unlikely(FbBeforePanic == nullptr))
{
ExPrint("\eFF0000No screen data available\n");
ExPrint("No screen data available\n");
goto End;
}
memcpy(Display->GetBuffer, FbBeforePanic, Display->GetSize);
Display->UpdateBuffer();
return;
}
#ifdef DEBUG
@ -1018,5 +1069,4 @@ nsa void UserInput(char *Input)
End:
DisplayBottomOverlay();
Display->UpdateBuffer();
}