Panic.cpp File Reference

#include <Devices/Graphics/console.hpp>
#include <Devices/Graphics/framebuffer.hpp>
#include <Devices/Graphics/graphics.hpp>
#include <Devices/Serial/rs232.hpp>
#include <Library/stdio.hpp>
#include <Panic.hpp>
#include <Stacktrace.hpp>
#include <Scheduler/tasks.hpp>
#include <x86gprintrin.h>

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Macros
#define	PANIC_MAX_TRACE   64
#define	PANIC_MOO_BUF_SZ   256
#define	PANIC_MSG_BUF_SZ   256
#define	PANIC_REG_BUG_SZ   512
#define	PANIC_COLOR_FORE   0xFFFFFF
#define	PANIC_COLOR_BACK   0x2D2D2D
#define	PANIC_REG_DUMP_MSG   "Kernel exception - Dumping register state..."

Functions
void	panic (const char *msg)
void	panicf (const char *fmt,...)
void	panic (struct registers *registers)

Variables
const char *	funnyMessagesForMoo []
const size_t	funnyMessagesForMooSize = sizeof(funnyMessagesForMoo) / sizeof(funnyMessagesForMoo[0])

Detailed Description

Early CGA-mode panic (no framebuffer)

Author

Keeton Feavel (keeto.nosp@m.nfea.nosp@m.vel@c.nosp@m.edar.nosp@m.ville.nosp@m..edu)

Micah Switzer (mswit.nosp@m.zer@.nosp@m.cedar.nosp@m.vill.nosp@m.e.edu)

Version

0.3

Date

2020-10-11

Copyright

Copyright the Xyris Contributors (c) 2020

Author

Keeton Feavel (keeto.nosp@m.n@xy.nosp@m.r.is)

Version

0.1

Date

2021-11-05

Copyright

Copyright the Xyris Contributors (c) 2021

Definition in file Panic.cpp.

Macro Definition Documentation

PANIC_COLOR_BACK

#define PANIC_COLOR_BACK   0x2D2D2D

Definition at line 26 of file Panic.cpp.

PANIC_COLOR_FORE

#define PANIC_COLOR_FORE   0xFFFFFF

Definition at line 25 of file Panic.cpp.

PANIC_MAX_TRACE

#define PANIC_MAX_TRACE   64

Definition at line 21 of file Panic.cpp.

PANIC_MOO_BUF_SZ

#define PANIC_MOO_BUF_SZ   256

Definition at line 22 of file Panic.cpp.

PANIC_MSG_BUF_SZ

#define PANIC_MSG_BUF_SZ   256

Definition at line 23 of file Panic.cpp.

PANIC_REG_BUG_SZ

#define PANIC_REG_BUG_SZ   512

Definition at line 24 of file Panic.cpp.

PANIC_REG_DUMP_MSG

#define PANIC_REG_DUMP_MSG   "Kernel exception - Dumping register state..."

Definition at line 28 of file Panic.cpp.

Function Documentation

panic() [1/2]

void panic

(

const char *

msg

)

Halt the system and print the provided message on the panic screen.

Parameters

msg	Panic message

Definition at line 82 of file Panic.cpp.

{
    panicInternal(msg, NULL);
}

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panic() [2/2]

void panic

(

struct registers *

registers

)

Halt the system and print information about the provided register dump.

Parameters

registers

Architecture register structure

Definition at line 98 of file Panic.cpp.

{
    panicInternal(PANIC_REG_DUMP_MSG, registers);
}

panicf()

void panicf	(	const char *	fmt,
			...
	)

Halt the system and print the provided message and arguments on the panic screen.

Parameters

fmt	printf style format panic message
...	arguments

Definition at line 87 of file Panic.cpp.

{
    va_list args;
    char buf[PANIC_MSG_BUF_SZ];
    va_start(args, fmt);
    kvsprintf(buf, fmt, args);
    va_end(args);
 
    panic(buf);
}

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Variable Documentation

funnyMessagesForMoo

const char* funnyMessagesForMoo[]

Initial value:

= {
    "Oh, it’s you. It’s been a long time.\nHow have you been?",
    "Sorry, I accidentally let the magic smoke out.",
    "Not sure how we got here, but here we are.",
    "Whatever you just did, don't do it again.",
    "Something udderly terrible happened!",
    "Still more stable than DOS!",
    "Yeah, that's about right.",
    "I'm Moo, the Xryis cow!",
    "Guru meditation time!",
    "Yahaha, you found me!",
    "Minecraft crashed!",
    "Get Dunked On!",
}

Definition at line 30 of file Panic.cpp.

funnyMessagesForMooSize

const size_t funnyMessagesForMooSize = sizeof(funnyMessagesForMoo) / sizeof(funnyMessagesForMoo[0])

Definition at line 44 of file Panic.cpp.