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Implements BSOD.

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This commit is contained in:
Felix Queißner 2016-05-05 19:51:04 +02:00
parent 5829e701df
commit 9a8f9e956f
5 changed files with 54 additions and 46 deletions
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6
prototypes/base/include/bsod.hpp
View file

@ -1,6 +1,7 @@
#pragma once
#include "errors.hpp"
#include "cpustate.hpp"
/**
* This class provides the blue screen of death.
@ -16,5 +17,10 @@ public:
* Dies with a simple message and error code display.
*/
static void die(Error code, const char *msg);
/**
* Dies with a simple message and error code display.
*/
static void die(Error code, const char *msg, CpuState *cpu);
};

5
prototypes/base/include/errors.hpp
View file

@ -4,7 +4,6 @@ enum class Error
{
Success = 0,
OutOfMemory = 1,
UnhandledException = 2,
UnhandledInterrupt = 3,
};

2
prototypes/base/init.cpp
View file

@ -97,6 +97,8 @@ extern "C" void init(Structure const & data)
Console::main << "allocated page " << i << " [" << success << "]: " << page << "\n";
}
*/
asm volatile("int $0x1");
while(true);
}

41
prototypes/base/src/bsod.cpp
View file

@ -1,6 +1,45 @@
#include "bsod.hpp"
#include "console.hpp"
void BSOD::die(Error code, const char *msg)
{
__asm__ volatile ("cli");
BSOD::die(code, msg, nullptr);
}
/**
* Dies with a simple message and error code display.
*/
void BSOD::die(Error code, const char *msg, CpuState *cpu)
{
using namespace console_tools;
asm volatile ("cli");
Console::main << FColor(Color::White) << BColor(Color::Red);
Console::main.clear();
Console::main
<< "OH MY GOD. DasOS crashed! But i can tell you: \n"
<< msg << "\n"
<< "Also here is some CPU information:\n";
Console::main
<< "eax = " << hex(cpu->eax) << "\n"
<< "ebx = " << hex(cpu->ebx) << "\n"
<< "ecx = " << hex(cpu->ecx) << "\n"
<< "edx = " << hex(cpu->edx) << "\n"
<< "esi = " << hex(cpu->esi) << "\n"
<< "edi = " << hex(cpu->edi) << "\n"
<< "ebp = " << hex(cpu->ebp) << "\n"
<< "intr = " << cpu->interrupt << "\n"
<< "error = " << cpu->error << "\n"
<< "eip = " << hex(cpu->eip) << "\n"
<< "cs = " << hex(cpu->cs) << "\n"
<< "eflags = " << bin(cpu->eflags) << "\n"
<< "esp = " << hex(cpu->esp) << "\n"
<< "ss = " << hex(cpu->ss) << "\n";
asm volatile ("hlt");
while(true);
}

46
prototypes/base/src/idt.cpp
View file

@ -1,6 +1,6 @@
#include "idt.hpp"
#include "io.hpp"
#include "console.hpp"
#include "bsod.hpp"
#include "pic.hpp"
#define ISR(num) extern "C" void isr_##num();
@ -54,57 +54,19 @@ void IDT::setupPIC()
void IDT::dispatch(CpuState *cpu)
{
using namespace console_tools;
if(cpu->interrupt <= 0x1F) {
// Exception Handling
Console::main << FColor(Color::Red) << "Ermahgerd, Exceptions!\n";
Console::main
<< "eax = " << hex(cpu->eax) << "\n"
<< "ebx = " << hex(cpu->ebx) << "\n"
<< "ecx = " << hex(cpu->ecx) << "\n"
<< "edx = " << hex(cpu->edx) << "\n"
<< "esi = " << hex(cpu->esi) << "\n"
<< "edi = " << hex(cpu->edi) << "\n"
<< "ebp = " << hex(cpu->ebp) << "\n"
<< "intr = " << cpu->interrupt << "\n"
<< "error = " << cpu->error << "\n"
<< "eip = " << hex(cpu->eip) << "\n"
<< "cs = " << hex(cpu->cs) << "\n"
<< "eflags = " << bin(cpu->eflags) << "\n"
<< "esp = " << hex(cpu->esp) << "\n"
<< "ss = " << hex(cpu->ss) << "\n";
while(true);
BSOD::die(Error::UnhandledException, "Ermahgerd, Exceptions!", cpu);
} else if (cpu->interrupt >= 0x20 && cpu->interrupt <= 0x2F) {
// IRQ
Console::main << "[IRQ " << (cpu->interrupt - 0x20) << "]";
// Console::main << "[IRQ " << (cpu->interrupt - 0x20) << "]";
if(cpu->interrupt >= 0x28) {
slavePIC.sendEndOfInterrupt();
}
masterPIC.sendEndOfInterrupt();
} else {
// Other Interrupt
Console::main << "Ermahgerd, Interrupts!\n";
Console::main
<< "eax = " << hex(cpu->eax) << "\n"
<< "ebx = " << hex(cpu->ebx) << "\n"
<< "ecx = " << hex(cpu->ecx) << "\n"
<< "edx = " << hex(cpu->edx) << "\n"
<< "esi = " << hex(cpu->esi) << "\n"
<< "edi = " << hex(cpu->edi) << "\n"
<< "ebp = " << hex(cpu->ebp) << "\n"
<< "intr = " << cpu->interrupt << "\n"
<< "error = " << cpu->error << "\n"
<< "eip = " << hex(cpu->eip) << "\n"
<< "cs = " << hex(cpu->cs) << "\n"
<< "eflags = " << bin(cpu->eflags) << "\n"
<< "esp = " << hex(cpu->esp) << "\n"
<< "ss = " << hex(cpu->ss) << "\n";
while(true);
BSOD::die(Error::UnhandledInterrupt, "Ermahgerd, Interrupts!", cpu);
}
}