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kernel: add aarch64 architecture support

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-01-10 17:26:26 +02:00
parent 07abdd9f6c
commit e6933acfb0
62 changed files with 1009 additions and 299 deletions
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9
Kernel/core/panic/handler.cpp
View File

@ -185,8 +185,10 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
CPU::Pause();
ExPrint("\x1b[0m-----------------------------------------------\n");
#if defined(__amd64__) || defined(__i386__)
ExPrint("\x1b[30;41mUnrecoverable exception %#lx on CPU %d\n",
Frame->InterruptNumber, core->ID);
#endif
#if defined(__amd64__) || defined(__i386__)
ExPrint("CR0=%#lx CR2=%#lx CR3=%#lx CR4=%#lx CR8=%#lx\n",
Frame->cr0, Frame->cr2, Frame->cr3, Frame->cr4, Frame->cr8);
@ -222,7 +224,9 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
#endif /* a86 */
Display->UpdateBuffer();
#if defined(__amd64__) || defined(__i386__)
error("Unrecoverable Exception: %#lx", Frame->InterruptNumber);
#endif
UnrecoverableLock.store(false, std::memory_order_release);
CPU::Stop();
@ -231,6 +235,7 @@ nsa __noreturn void HandleUnrecoverableException(CPU::ExceptionFrame *Frame)
nsa __noreturn void HandleExceptionInsideException(CPU::ExceptionFrame *Frame)
{
ExPrint("\x1b[0m-----------------------------------------------\n");
#if defined(__amd64__) || defined(__i386__)
ExPrint("Exception inside exception: %#lx at %#lx\n",
Frame->InterruptNumber,
#if defined(__amd64__)
@ -240,6 +245,7 @@ nsa __noreturn void HandleExceptionInsideException(CPU::ExceptionFrame *Frame)
#elif defined(__aarch64__)
Frame->pc);
#endif
#endif // __amd64__ || __i386__
#if defined(__amd64__) || defined(__i386__)
ExPrint("CR0=%#lx CR2=%#lx CR3=%#lx CR4=%#lx CR8=%#lx\n",
Frame->cr0, Frame->cr2, Frame->cr3, Frame->cr4, Frame->cr8);
@ -286,6 +292,8 @@ nsa void HandleException(CPU::ExceptionFrame *Frame)
CPU::PageTable(KernelPageTable);
InitFont();
#if defined(__amd64__) || defined(__i386__)
/* First check the exception */
if (unlikely(Frame->InterruptNumber == CPU::x86::DoubleFault))
{
@ -343,6 +351,7 @@ nsa void HandleException(CPU::ExceptionFrame *Frame)
ExceptionExit:
ExceptionLock.store(false, std::memory_order_release);
#endif
}
nsa void BaseBufferStackError(bool Stack)

2
Kernel/core/panic/kbd/uhci.cpp
View File

@ -65,7 +65,9 @@ __no_sanitize("undefined") nsa bool CrashUHCIKeyboardDriver::Initialize()
/* FIXME: stub */
debug("Initializing controller");
#if defined(__amd64__) || defined(__i386__)
outw((uint16_t)((uintptr_t)io + 0xC0), 0x8F00); /* Disable Legacy Mode Support */
#endif
/* Disable All Interrupts */
io->USBINTR.TOCRC = 0;

33
Kernel/core/panic/ui.cpp
View File

@ -137,9 +137,7 @@ nsa const char *ExGetKSymbol(CPU::ExceptionFrame *Frame)
Frame->eip > (uintptr_t)&_kernel_end)
return "<OUTSIDE KERNEL>";
#elif defined(__aarch64__)
if (Frame->pc < (uintptr_t)&_kernel_start &&
Frame->pc > (uintptr_t)&_kernel_end)
return "<OUTSIDE KERNEL>";
#warning "aarch64 not implemented"
#endif
#if defined(__amd64__)
@ -147,7 +145,8 @@ nsa const char *ExGetKSymbol(CPU::ExceptionFrame *Frame)
#elif defined(__i386__)
return ExGetKSymbolByAddress(Frame->eip);
#elif defined(__aarch64__)
return ExGetKSymbolByAddress(Frame->pc);
#warning "aarch64 not implemented"
return "stub";
#endif
}
@ -302,9 +301,16 @@ nsa void DisplayMainScreen(CPU::ExceptionFrame *Frame)
x86Exceptions[Frame->InterruptNumber].Name,
x86Exceptions[Frame->InterruptNumber].Mnemonic,
#elif defined(__aarch64__)
#error "AA64 not implemented"
"stub",
"stub",
#warning "aarch64 not implemented"
#endif
#if defined(__amd64__) || defined(__i386__)
Frame->InterruptNumber);
#elif defined(__aarch64__)
0);
#warning "aarch64 not implemented"
#endif
#if defined(__amd64__) || defined(__i386__)
ExPrint("Cause: %s\n", x86Exceptions[Frame->InterruptNumber].Cause);
#endif
@ -315,7 +321,8 @@ nsa void DisplayMainScreen(CPU::ExceptionFrame *Frame)
#elif defined(__i386__)
Frame->eip);
#elif defined(__aarch64__)
Frame->pc);
0);
#warning "aarch64 not implemented"
#endif
CPUData *core = GetCurrentCPU();
@ -342,7 +349,7 @@ arch void DisplayDetailsScreen(CPU::ExceptionFrame *Frame);
nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
{
Memory::Virtual vmm;
struct StackFrame *sf;
struct StackFrame *sf = nullptr;
#if defined(__amd64__)
sf = (struct StackFrame *)Frame->rbp;
#elif defined(__i386__)
@ -353,6 +360,7 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
if (!vmm.Check(sf))
{
#if defined(__amd64__) || defined(__i386__)
void *ptr = ((Memory::PageTable *)Frame->cr3)->Get(sf);
debug("Virtual pointer %#lx -> %#lx", sf, ptr);
if (vmm.Check(ptr))
@ -362,17 +370,18 @@ nsa void DisplayStackScreen(CPU::ExceptionFrame *Frame)
ExPrint("\x1b[31m< No stack trace available. >\x1b[0m\n");
return;
}
#endif
}
/* FIXME: Get symbol offset more efficiently */
uintptr_t fIP;
uintptr_t fIP = 0;
#if defined(__amd64__)
fIP = Frame->rip;
#elif defined(__i386__)
fIP = Frame->eip;
#elif defined(__aarch64__)
fIP = Frame->pc;
#warning "aarch64 not implemented"
#endif
ExPrint("%p", (void *)fIP);
@ -557,6 +566,7 @@ nsa void DisplayCrashScreen(CPU::ExceptionFrame *Frame)
DisplayBottomOverlay();
#ifdef DEBUG
#if defined(__amd64__) || defined(__i386__)
static int once = 0;
static uint8_t com4 = 0xFF;
if (!once++)
@ -657,6 +667,7 @@ nsa void DisplayCrashScreen(CPU::ExceptionFrame *Frame)
ExPrint(keyBuf);
}
#endif
#endif // DEBUG
debug("cpu halted");
CPU::Halt(true);
}
@ -965,8 +976,10 @@ nsa void UserInput(char *Input)
#ifdef DEBUG
else if (strcmp(Input, "pt") == 0)
{
/* Helpful for qemu "info tlb" command */
/* Helpful for qemu "info tlb" command */
#if defined(__amd64__) || defined(__i386__)
CPU::PageTable((void *)ExFrame->cr3);
#endif
ExPrint("Here be dragons\n");
}
else if (strcmp(Input, "ps") == 0)

2
Kernel/core/panic/user.cpp
View File

@ -86,6 +86,7 @@ nsa bool UserModeExceptionHandler(CPU::ExceptionFrame *Frame)
#endif
int sigRet = -1;
#if defined(__amd64__) || defined(__i386__)
switch (Frame->InterruptNumber)
{
case CPU::x86::PageFault:
@ -153,6 +154,7 @@ nsa bool UserModeExceptionHandler(CPU::ExceptionFrame *Frame)
break;
}
}
#endif
if (sigRet == 0)
{