Fennix/Kernel
1
0
Fork 0
mirror of https://github.com/Fennix-Project/Kernel.git synced 2025-05-28 23:44:35 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added "uartmemdmp" command

Browse Source
This commit is contained in:
Alex 2023-02-16 02:29:43 +02:00
parent afacc0e8de
commit 5ae9cbf27b
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
Core/Crash/CrashHandler.cpp
View File

@ -7,6 +7,7 @@
#include <printf.h>
#include <lock.hpp>
#include <rand.hpp>
#include <uart.hpp>
#include <debug.h>
#include <smp.hpp>
#include <cpu.hpp>
@ -324,6 +325,7 @@ namespace CrashHandler
EHPrint("tss <CORE> - Print the CPU task state segment\n");
EHPrint("dump <ADDRESS HEX> <LENGTH DEC> - Dump memory\n");
EHPrint(" - \eFF4400WARNING: This can crash the system if you try to read from an unmapped page.\eFAFAFA\n");
EHPrint("uartmemdmp <INDEX> <SKIP INACCESSIBLE (bool 0,1)> - Dump the memory of a UART.\n");
EHPrint("main - Show the main screen.\n");
EHPrint("details - Show the details screen.\n");
EHPrint("frames - Show the stack frame screen.\n");
@ -605,6 +607,76 @@ namespace CrashHandler
EHDumpData((void *)Address, Length);
}
}
else if (strncmp(Input, "uartmemdmp", 10) == 0)
{
char *arg = TrimWhiteSpace(Input + 10);
char *cPort = strtok(arg, " ");
char *cBoolSkip = strtok(NULL, " ");
UniversalAsynchronousReceiverTransmitter::SerialPorts port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM1;
switch (cPort[0])
{
case '1':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM1;
break;
case '2':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM2;
break;
case '3':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM3;
break;
case '4':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM4;
break;
case '5':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM5;
break;
case '6':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM6;
break;
case '7':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM7;
break;
case '8':
port = UniversalAsynchronousReceiverTransmitter::SerialPorts::COM8;
break;
default:
EHPrint("\eFF0000Invalid port! Defaulting to 1.\n");
break;
}
EHPrint("\eF8F8F8Dumping memory to UART port %c (%#lx) and %s inaccessible pages.\n", cPort[0], port, cBoolSkip[0] == '1' ? "skipping" : "zeroing");
Display->SetBuffer(SBIdx);
uint64_t Length = KernelAllocator.GetTotalMemory();
uint64_t ProgressLength = Length;
UniversalAsynchronousReceiverTransmitter::UART uart(port);
Memory::Virtual vma;
uint8_t *Address = reinterpret_cast<uint8_t *>(0x0);
int Progress = 0;
for (size_t i = 0; i < Length; i++)
{
if (vma.Check(Address))
uart.Write(*Address);
else if (cBoolSkip[0] == '0')
uart.Write((uint8_t)0);
else
ProgressLength--;
Address++;
if (unlikely(i % 0x1000 == 0))
{
int NewProgress = (i * 100) / ProgressLength;
if (unlikely(NewProgress != Progress))
{
Progress = NewProgress;
EHPrint("\n%d%%\n", Progress);
Display->SetBuffer(SBIdx);
}
Display->Print('.', SBIdx);
if (unlikely(i % 0x500 == 0))
Display->SetBuffer(SBIdx);
}
}
EHPrint("\nDone.\n");
}
else if (strcmp(Input, "main") == 0)
{
SBIdx = 255;