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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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88
core/panic/handler.cpp
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@ -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);