mirror of
https://github.com/EnderIce2/Fennix.git
synced 2025-07-01 18:39:16 +00:00
Merge remote-tracking branch 'Kernel/master'
This commit is contained in:
EnderIce2
236
Kernel/core/debugger.cpp
Normal file
236
Kernel/core/debugger.cpp
Normal file
@ -0,0 +1,236 @@
|
||||
/*
|
||||
This file is part of Fennix Kernel.
|
||||
|
||||
Fennix Kernel is free software: you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation, either version 3 of
|
||||
the License, or (at your option) any later version.
|
||||
|
||||
Fennix Kernel is distributed in the hope that 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <debug.h>
|
||||
|
||||
#include <printf.h>
|
||||
#include <lock.hpp>
|
||||
#include <io.h>
|
||||
|
||||
#include "../kernel.h"
|
||||
|
||||
NewLock(DebuggerLock);
|
||||
|
||||
extern bool serialports[8];
|
||||
|
||||
EXTERNC NIF void uart_wrapper(char c, void *unused)
|
||||
{
|
||||
static int once = 0;
|
||||
if (unlikely(!once++))
|
||||
{
|
||||
uint8_t com = inb(0x3F8);
|
||||
if (com != 0xFF)
|
||||
{
|
||||
outb(s_cst(uint16_t, 0x3F8 + 1), 0x00); // Disable all interrupts
|
||||
outb(s_cst(uint16_t, 0x3F8 + 3), 0x80); // Enable DLAB (set baud rate divisor)
|
||||
outb(s_cst(uint16_t, 0x3F8 + 0), 0x1); // Set divisor to 1 (lo byte) 115200 baud
|
||||
outb(s_cst(uint16_t, 0x3F8 + 1), 0x0); // (hi byte)
|
||||
outb(s_cst(uint16_t, 0x3F8 + 3), 0x03); // 8 bits, no parity, one stop bit
|
||||
outb(s_cst(uint16_t, 0x3F8 + 2), 0xC7); // Enable FIFO, clear them, with 14-byte threshold
|
||||
outb(s_cst(uint16_t, 0x3F8 + 4), 0x0B); // IRQs enabled, RTS/DSR set
|
||||
|
||||
/* FIXME https://wiki.osdev.org/Serial_Ports */
|
||||
// outb(s_cst(uint16_t, 0x3F8 + 0), 0x1E);
|
||||
// outb(s_cst(uint16_t, 0x3F8 + 0), 0xAE);
|
||||
// Check if the serial port is faulty.
|
||||
// if (inb(s_cst(uint16_t, 0x3F8 + 0)) != 0xAE)
|
||||
// {
|
||||
// static int once = 0;
|
||||
// if (!once++)
|
||||
// warn("Serial port %#llx is faulty.", 0x3F8);
|
||||
// // serialports[0x3F8] = false; // ignore for now
|
||||
// // return;
|
||||
// }
|
||||
|
||||
// Set to normal operation mode.
|
||||
outb(s_cst(uint16_t, 0x3F8 + 4), 0x0F);
|
||||
serialports[0] = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (likely(serialports[0]))
|
||||
{
|
||||
while ((inb(s_cst(uint16_t, 0x3F8 + 5)) & 0x20) == 0)
|
||||
;
|
||||
outb(0x3F8, c);
|
||||
}
|
||||
UNUSED(unused);
|
||||
}
|
||||
|
||||
static inline NIF bool WritePrefix(DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, va_list args)
|
||||
{
|
||||
const char *DbgLvlString;
|
||||
switch (Level)
|
||||
{
|
||||
case DebugLevelError:
|
||||
DbgLvlString = "ERROR";
|
||||
break;
|
||||
case DebugLevelWarning:
|
||||
DbgLvlString = "WARN ";
|
||||
break;
|
||||
case DebugLevelInfo:
|
||||
DbgLvlString = "INFO ";
|
||||
break;
|
||||
case DebugLevelDebug:
|
||||
DbgLvlString = "DEBUG";
|
||||
break;
|
||||
case DebugLevelTrace:
|
||||
DbgLvlString = "TRACE";
|
||||
break;
|
||||
case DebugLevelFixme:
|
||||
DbgLvlString = "FIXME";
|
||||
break;
|
||||
case DebugLevelStub:
|
||||
fctprintf(uart_wrapper, nullptr, "STUB | %s>%s() is stub\n", File, Function);
|
||||
return false;
|
||||
case DebugLevelFunction:
|
||||
fctprintf(uart_wrapper, nullptr, "FUNC | %s>%s( ", File, Function);
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
fctprintf(uart_wrapper, nullptr, " )\n");
|
||||
return false;
|
||||
case DebugLevelUbsan:
|
||||
{
|
||||
DbgLvlString = "UBSAN";
|
||||
fctprintf(uart_wrapper, nullptr, "%s| ", DbgLvlString);
|
||||
return true;
|
||||
}
|
||||
default:
|
||||
DbgLvlString = "UNKNW";
|
||||
break;
|
||||
}
|
||||
fctprintf(uart_wrapper, nullptr, "%s| %s>%s:%d: ", DbgLvlString, File, Function, Line);
|
||||
return true;
|
||||
}
|
||||
|
||||
namespace SysDbg
|
||||
{
|
||||
NIF void Write(DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
NIF void WriteLine(DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
uart_wrapper('\n', nullptr);
|
||||
}
|
||||
|
||||
NIF void LockedWrite(DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
SmartTimeoutLock(DebuggerLock, 1000);
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
NIF void LockedWriteLine(DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
SmartTimeoutLock(DebuggerLock, 1000);
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
uart_wrapper('\n', nullptr);
|
||||
}
|
||||
}
|
||||
|
||||
// C compatibility
|
||||
extern "C" NIF void SysDbgWrite(enum DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
// C compatibility
|
||||
extern "C" NIF void SysDbgWriteLine(enum DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
uart_wrapper('\n', nullptr);
|
||||
}
|
||||
|
||||
// C compatibility
|
||||
extern "C" NIF void SysDbgLockedWrite(enum DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
SmartTimeoutLock(DebuggerLock, 1000);
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
// C compatibility
|
||||
extern "C" NIF void SysDbgLockedWriteLine(enum DebugLevel Level, const char *File, int Line, const char *Function, const char *Format, ...)
|
||||
{
|
||||
SmartTimeoutLock(DebuggerLock, 1000);
|
||||
va_list args;
|
||||
va_start(args, Format);
|
||||
if (!WritePrefix(Level, File, Line, Function, Format, args))
|
||||
{
|
||||
va_end(args);
|
||||
return;
|
||||
}
|
||||
vfctprintf(uart_wrapper, nullptr, Format, args);
|
||||
va_end(args);
|
||||
uart_wrapper('\n', nullptr);
|
||||
}
|
||||
Reference in New Issue
Block a user