Fennix/Kernel
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Update kernel

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This commit is contained in:
Alex
2023-06-10 13:11:25 +03:00
parent dcdba03426
commit 41db477173
82 changed files with 6342 additions and 4079 deletions
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68
Kernel.cpp
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@ -77,6 +77,8 @@ LockClass mExtTrkLock;
* - [ ] COW (Copy On Write) for the virtual memory. (https://en.wikipedia.org/wiki/Copy-on-write)
* - [ ] Bootstrap should have a separate bss section + PHDR.
* - [ ] Reimplement the driver conflict detection.
* - [ ] Elf loader shouldn't create a full copy of the elf binary. Copy only the needed sections.
* - [ ] Use NX-bit.
*
* ISSUES:
* - [x] Kernel stack is smashed when an interrupt occurs. (this bug it occurs when an interrupt like IRQ1 or IRQ12 occurs)
@ -168,6 +170,19 @@ LockClass mExtTrkLock;
* - Atomic operations:
* https://en.cppreference.com/w/cpp/atomic/atomic
*
* - ELF:
* https://www.sco.com/developers/gabi/latest/ch4.eheader.html
* https://refspecs.linuxfoundation.org/elf/elf.pdf
* https://docs.oracle.com/cd/E19683-01/817-3677/chapter6-42444/index.html
* https://docs.oracle.com/cd/E19683-01/816-1386/chapter6-83432/index.html
* https://www.youtube.com/watch?v=nC1U1LJQL8o
* https://stevens.netmeister.org/631/elf.html
* https://github.com/torvalds/linux/blob/master/include/uapi/linux/elf.h
*
* - C++ ABI:
* https://github.com/gcc-mirror/gcc/tree/master/libstdc%2B%2B-v3
* https://itanium-cxx-abi.github.io/cxx-abi/abi.html
*
*/
#ifdef a64
@ -259,8 +274,12 @@ EXTERNC void KPrint(const char *Format, ...)
EXTERNC NIF void Main()
{
Display = new Video::Display(bInfo.Framebuffer[0]);
KPrint("%s - %s [\e058C19%s\eFFFFFF]", KERNEL_NAME, KERNEL_VERSION, GIT_COMMIT_SHORT);
KPrint("CPU: \e058C19%s \e8822AA%s \e8888FF%s", CPU::Hypervisor(), CPU::Vendor(), CPU::Name());
KPrint("%s - %s [\e058C19%s\eFFFFFF]",
KERNEL_NAME, KERNEL_VERSION, GIT_COMMIT_SHORT);
KPrint("CPU: \e058C19%s \e8822AA%s \e8888FF%s",
CPU::Hypervisor(), CPU::Vendor(), CPU::Name());
if (DebuggerIsAttached)
KPrint("\eFFA500Kernel debugger detected.");
@ -293,7 +312,8 @@ EXTERNC NIF void Main()
Video::FontInfo fi = Display->GetCurrentFont()->GetInfo();
Display->SetBufferCursor(1, 0, buf->Height - fi.Height);
PutCharBufferIndex = 1;
printf("Fennix Operating System - %s [\e058C19%s\eFFFFFF]\n", KERNEL_VERSION, GIT_COMMIT_SHORT);
printf("Fennix Operating System - %s [\e058C19%s\eFFFFFF]\n",
KERNEL_VERSION, GIT_COMMIT_SHORT);
Display->SetBuffer(1);
PutCharBufferIndex = 0;
}
@ -434,13 +454,13 @@ EXTERNC NIF void Main()
else
{
File dev = vfs->Open("/dev");
if (dev.node->Flags != NodeFlags::DIRECTORY)
if (dev.GetFlags() != NodeFlags::DIRECTORY)
{
KPrint("\eE85230/dev is not a directory! Halting...");
CPU::Stop();
}
vfs->Close(dev);
DevFS = dev.node;
DevFS = dev.GetNode();
}
if (!vfs->PathExists("/mnt"))
@ -448,13 +468,13 @@ EXTERNC NIF void Main()
else
{
File mnt = vfs->Open("/mnt");
if (mnt.node->Flags != NodeFlags::DIRECTORY)
if (mnt.GetFlags() != NodeFlags::DIRECTORY)
{
KPrint("\eE85230/mnt is not a directory! Halting...");
CPU::Stop();
}
vfs->Close(mnt);
MntFS = mnt.node;
MntFS = mnt.GetNode();
}
if (!vfs->PathExists("/proc"))
@ -462,13 +482,41 @@ EXTERNC NIF void Main()
else
{
File proc = vfs->Open("/proc", nullptr);
if (proc.node->Flags != NodeFlags::DIRECTORY)
if (proc.GetFlags() != NodeFlags::DIRECTORY)
{
KPrint("\eE85230/proc is not a directory! Halting...");
CPU::Stop();
}
vfs->Close(proc);
ProcFS = proc.node;
ProcFS = proc.GetNode();
}
if (!vfs->PathExists("/var"))
VarLogFS = vfs->Create("/var", NodeFlags::DIRECTORY);
else
{
File var = vfs->Open("/var", nullptr);
if (var.GetFlags() != NodeFlags::DIRECTORY)
{
KPrint("\eE85230/var is not a directory! Halting...");
CPU::Stop();
}
vfs->Close(var);
VarLogFS = var.GetNode();
if (!vfs->PathExists("/var/log"))
VarLogFS = vfs->Create("/var/log", NodeFlags::DIRECTORY);
else
{
File var_log = vfs->Open("/var/log", nullptr);
if (var_log.GetFlags() != NodeFlags::DIRECTORY)
{
KPrint("\eE85230/var/log is not a directory! Halting...");
CPU::Stop();
}
vfs->Close(var_log);
VarLogFS = var_log.GetNode();
}
}
KPrint("\e058C19################################");
@ -552,7 +600,7 @@ EXTERNC __no_stack_protector void BeforeShutdown(bool Reboot)
if (DriverManager)
delete DriverManager, DriverManager = nullptr;
if (TaskManager)
if (TaskManager && !TaskManager->IsPanic())
{
TaskManager->SignalShutdown();
delete TaskManager, TaskManager = nullptr;