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Added tlb & bitmap commands

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This commit is contained in:
Alex
2022-12-05 00:47:15 +02:00
parent 58dfc9c407
commit f34278891b
3 changed files with 142 additions and 20 deletions
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96
Core/Crash/CrashHandler.cpp
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@ -2,6 +2,7 @@
#include "chfcts.hpp"
#include <display.hpp>
#include <bitmap.hpp>
#include <convert.h>
#include <printf.h>
#include <lock.hpp>
@ -20,6 +21,22 @@
NewLock(UserInputLock);
#define TRACE_PAGE_TABLE(x, itr, depth) \
EHPrint("\e888888#%s\eAABBCC%03d\e4500F5: P:%s RW:%s US:%s PWT:%s PCB:%s A:%s D:%s PS:%s G:%s Address:\e888888%#lx\n", \
depth, \
itr, \
x.Value.Present ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.ReadWrite ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.UserSupervisor ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.WriteThrough ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.CacheDisable ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.Accessed ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.Dirty ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.PageSize ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.Value.Global ? "\e00AA00Yes\e4500F5" : "\eAA0000No \e4500F5", \
x.GetAddress() << 12); \
Display->SetBuffer(SBIdx);
namespace CrashHandler
{
void *EHIntFrames[INT_FRAMES_MAX];
@ -211,6 +228,8 @@ namespace CrashHandler
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("tlb <ADDRESS> - Print the page table entries\n");
EHPrint("bitmap - Print the memory bitmap\n");
EHPrint("main - Show the main screen.\n");
EHPrint("details - Show the details screen.\n");
EHPrint("frames - Show the stack frame screen.\n");
@ -285,6 +304,83 @@ namespace CrashHandler
}
}
}
else if (strncmp(Input, "tlb", 3) == 0)
{
char *arg = TrimWhiteSpace(Input + 3);
uint64_t Address = NULL;
Address = strtol(arg, NULL, 16);
debug("Converted %s to %#lx", arg, Address);
Memory::PageTable *BasePageTable = (Memory::PageTable *)Address;
if (Memory::Virtual().Check(BasePageTable))
for (int Index = 0; Index < 512; Index++)
{
if (BasePageTable->Entries[Index].Value.raw == 0)
continue;
TRACE_PAGE_TABLE(BasePageTable->Entries[Index], Index, "");
for (int i = 0; i < 10000; i++)
inb(0x80);
if (BasePageTable->Entries[Index].GetFlag(Memory::PTFlag::P))
{
Memory::PageTable *PDP = (Memory::PageTable *)((uint64_t)BasePageTable->Entries[Index].GetAddress() << 12);
for (int PDPIndex = 0; PDPIndex < 512; PDPIndex++)
{
if (PDP->Entries[PDPIndex].Value.raw == 0)
continue;
TRACE_PAGE_TABLE(PDP->Entries[PDPIndex], PDPIndex, " ");
for (int i = 0; i < 10000; i++)
inb(0x80);
if (PDP->Entries[PDPIndex].GetFlag(Memory::PTFlag::P))
{
Memory::PageTable *PD = (Memory::PageTable *)((uint64_t)PDP->Entries[PDPIndex].GetAddress() << 12);
for (int PDIndex = 0; PDIndex < 512; PDIndex++)
{
if (PD->Entries[PDIndex].Value.raw == 0)
continue;
TRACE_PAGE_TABLE(PD->Entries[PDIndex], PDIndex, " ");
for (int i = 0; i < 10000; i++)
inb(0x80);
if (PD->Entries[PDIndex].GetFlag(Memory::PTFlag::P))
{
Memory::PageTable *PT = (Memory::PageTable *)((uint64_t)PD->Entries[PDIndex].GetAddress() << 12);
for (int PIndex = 0; PIndex < 512; PIndex++)
{
if (PT->Entries[PIndex].Value.raw == 0)
continue;
TRACE_PAGE_TABLE(PT->Entries[PIndex], PIndex, " ");
for (int i = 0; i < 10000; i++)
inb(0x80);
}
}
}
}
}
}
}
}
else if (strncmp(Input, "bitmap", 6) == 0)
{
Bitmap bm = KernelAllocator.GetPageBitmap();
EHPrint("\n\eFAFAFA%08ld: ", 0);
for (uint64_t i = 0; i < bm.Size; i++)
{
if (bm.Get(i))
EHPrint("\eFF00001");
else
EHPrint("\e00FF000");
if (i % 128 == 127)
{
EHPrint("\n\eFAFAFA%08ld: ", i);
Display->SetBuffer(SBIdx);
}
}
EHPrint("\n\e22AA44--- END OF BITMAP ---\nBitmap size: %ld\n", bm.Size);
Display->SetBuffer(SBIdx);
}
else if (strcmp(Input, "main") == 0)
{
SBIdx = 255;