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Changed a lot of files. Summary: profiler support; "SafeFunction"; UnlockDeadLock kernel config; Code optimization & more

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This commit is contained in:
Alex
2022-11-28 08:25:37 +02:00
parent 2fba834d41
commit 0289054900
62 changed files with 1462 additions and 558 deletions
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89
Core/Crash/CrashHandler.cpp
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@ -22,15 +22,16 @@ NewLock(UserInputLock);
namespace CrashHandler
{
void *EHIntFrames[INT_FRAMES_MAX];
static bool ExceptionOccurred = false;
int SBIdx = 255;
__no_stack_protector void printfWrapper(char c, void *unused)
SafeFunction void printfWrapper(char c, void *unused)
{
Display->Print(c, SBIdx, true);
UNUSED(unused);
}
__no_stack_protector void EHPrint(const char *Format, ...)
SafeFunction void EHPrint(const char *Format, ...)
{
va_list args;
va_start(args, Format);
@ -38,7 +39,7 @@ namespace CrashHandler
va_end(args);
}
__no_stack_protector char *trimwhitespace(char *str)
SafeFunction char *TrimWhiteSpace(char *str)
{
char *end;
while (*str == ' ')
@ -54,7 +55,7 @@ namespace CrashHandler
CRData crashdata = {};
__no_stack_protector void DisplayTopOverlay()
SafeFunction void DisplayTopOverlay()
{
Video::ScreenBuffer *sb = Display->GetBuffer(SBIdx);
Video::Font *f = Display->GetCurrentFont();
@ -108,7 +109,7 @@ namespace CrashHandler
Display->SetBufferCursor(SBIdx, 0, fi.Height + 10);
}
__no_stack_protector void DisplayBottomOverlay()
SafeFunction void DisplayBottomOverlay()
{
Video::ScreenBuffer *sb = Display->GetBuffer(SBIdx);
Video::Font *f = Display->GetCurrentFont();
@ -122,7 +123,7 @@ namespace CrashHandler
EHPrint("\eAAAAAA> \eFAFAFA");
}
__no_stack_protector void ArrowInput(uint8_t key)
SafeFunction void ArrowInput(uint8_t key)
{
switch (key)
{
@ -193,7 +194,7 @@ namespace CrashHandler
Display->SetBuffer(SBIdx);
}
__no_stack_protector void UserInput(char *Input)
SafeFunction void UserInput(char *Input)
{
SmartCriticalSection(UserInputLock);
Display->ClearBuffer(SBIdx);
@ -209,6 +210,7 @@ namespace CrashHandler
EHPrint("showbuf <INDEX> - Display the contents of a screen buffer.\n");
EHPrint(" - A sleep timer will be enabled. This will cause the OS to sleep for an unknown amount of time.\n");
EHPrint(" - \eFF4400WARNING: This can crash the system if a wrong buffer is selected.\eFAFAFA\n");
EHPrint("ifr <COUNT> - Show interrupt frames.\n");
EHPrint("main - Show the main screen.\n");
EHPrint("details - Show the details screen.\n");
EHPrint("frames - Show the stack frame screen.\n");
@ -223,25 +225,66 @@ namespace CrashHandler
{
PowerManager->Shutdown();
EHPrint("\eFFFFFFNow it's safe to turn off your computer.");
Display->SetBuffer(SBIdx);
CPU::Stop();
}
else if (strcmp(Input, "reboot") == 0)
{
PowerManager->Reboot();
EHPrint("\eFFFFFFNow it's safe to reboot your computer.");
Display->SetBuffer(SBIdx);
CPU::Stop();
}
else if (strncmp(Input, "showbuf", 7) == 0)
{
char *arg = trimwhitespace(Input + 7);
char *arg = TrimWhiteSpace(Input + 7);
int tmpidx = SBIdx;
SBIdx = atoi(arg);
Display->SetBuffer(SBIdx);
for (int i = 0; i < 1000000; i++)
for (int i = 0; i < 5000000; i++)
inb(0x80);
SBIdx = tmpidx;
Display->SetBuffer(SBIdx);
}
else if (strncmp(Input, "ifr", 3) == 0)
{
char *arg = TrimWhiteSpace(Input + 3);
uint64_t CountI = atoi(arg);
uint64_t TotalCount = sizeof(EHIntFrames) / sizeof(EHIntFrames[0]);
debug("Printing %ld interrupt frames.", CountI);
if (CountI > TotalCount)
{
EHPrint("eFF4400Count too big! Maximum allowed is %ld\eFAFAFA\n", TotalCount);
Display->SetBuffer(SBIdx);
}
else
{
for (uint64_t i = 0; i < CountI; i++)
{
if (EHIntFrames[i])
{
if (!Memory::Virtual().Check(EHIntFrames[i]))
continue;
EHPrint("\n\e2565CC%p", EHIntFrames[i]);
EHPrint("\e7925CC-");
#if defined(__amd64__)
if ((uint64_t)EHIntFrames[i] >= 0xFFFFFFFF80000000 && (uint64_t)EHIntFrames[i] <= (uint64_t)&_kernel_end)
#elif defined(__i386__)
if ((uint64_t)EHIntFrames[i] >= 0xC0000000 && (uint64_t)EHIntFrames[i] <= (uint64_t)&_kernel_end)
#elif defined(__aarch64__)
#endif
EHPrint("\e25CCC9%s", KernelSymbolTable->GetSymbolFromAddress((uint64_t)EHIntFrames[i]));
else
EHPrint("\eFF4CA9Outside Kernel");
for (int i = 0; i < 20000; i++)
inb(0x80);
Display->SetBuffer(SBIdx);
}
}
}
}
else if (strcmp(Input, "main") == 0)
{
SBIdx = 255;
@ -286,11 +329,14 @@ namespace CrashHandler
Display->SetBuffer(SBIdx);
}
__no_stack_protector void Handle(void *Data)
SafeFunction void Handle(void *Data)
{
// TODO: SUPPORT SMP
CPU::Interrupts(CPU::Disable);
error("An exception occurred!");
for (size_t i = 0; i < INT_FRAMES_MAX; i++)
EHIntFrames[i] = Interrupts::InterruptFrames[i];
SBIdx = 255;
CHArchTrapFrame *Frame = (CHArchTrapFrame *)Data;
#if defined(__amd64__)
@ -299,27 +345,11 @@ namespace CrashHandler
if (Frame->cs != GDT_USER_CODE && Frame->cs != GDT_USER_DATA)
{
debug("Exception in kernel mode");
if (Frame->InterruptNumber == CPU::x64::PageFault)
{
CPUData *data = GetCurrentCPU();
if (data)
{
if (data->CurrentThread->Stack->Expand(CPU::x64::readcr2().raw))
{
debug("Stack expanded");
CPU::Interrupts(CPU::Enable);
return;
}
else
{
error("Stack expansion failed");
}
}
}
if (TaskManager)
TaskManager->Panic();
debug("ePanicSchedStop");
Display->CreateBuffer(0, 0, SBIdx);
debug("e0");
}
else
{
@ -348,7 +378,9 @@ namespace CrashHandler
{
SBIdx = 255;
Display->ClearBuffer(SBIdx);
debug("e0-1");
Display->SetBufferCursor(SBIdx, 0, 0);
debug("e0-2");
CPU::x64::CR0 cr0 = CPU::x64::readcr0();
CPU::x64::CR2 cr2 = CPU::x64::readcr2();
@ -405,6 +437,7 @@ namespace CrashHandler
}
ExceptionOccurred = true;
Interrupts::RemoveAll();
debug("Reading control registers...");
crashdata.Frame = Frame;