Restored the partial support for x64.

sortix/keyboard.cpp

@@ -715,6 +715,7 @@ namespace Sortix
 
 		void SysReceieveKeystroke(CPU::InterruptRegisters* R)
 		{
+#ifdef PLATFORM_X86
 			uint32_t codepoint;
 			if ( keystrokeQueueUsed == 0 )
 			{
@@ -728,6 +729,7 @@ namespace Sortix
 				keystrokeQueueUsed--;
 			}
 			R->eax = codepoint;
+#endif
 		}
 	}
 }

sortix/memorymanagement.cpp

@@ -131,6 +131,8 @@ namespace Sortix
 
 					#ifdef PLATFORM_X64
 					Log::Print("Halt: CPU X64 cannot continue as the virtual memory isn't disabled (kernel bug) and the code is about to access non-mapped memory.\n");
+					Log::Print("Sorry, it simply isn't possible to fully boot Sortix in x64 mode yet.\n");
+					Log::Print("X64 may be working when Sortix 0.5 comes out, or try the git master.\n");
 					while(true);
 					#endif
 
@@ -627,11 +629,21 @@ namespace Sortix
 
 		#warning "Virtual Memory is not available on this arch"
 
+		addr_t Lookup(addr_t where) { while(true); return 0; }
 		void Flush() { while(true); }
-		void SwitchDirectory(addr_t dir) { while(true); }
+		addr_t CreateAddressSpace() { while(true); return 0; }
+		addr_t SwitchAddressSpace(addr_t addrspace) { while(true); return 0; }
+		addr_t SwitchDirectory(addr_t dir) { while(true); return 0; }
 		addr_t CreateDirectory() { while(true); return 0; }
+		void MapKernel(addr_t where, addr_t physical) { while(true); }
 		addr_t UnmapKernel(addr_t where) { while(true); return 0; }
+		Table* CreateUserTable(addr_t where, bool maycreate) { while(true); return NULL; }
+		bool MapUser(addr_t where, addr_t physical) { while(true); return false; }
 		addr_t UnmapUser(addr_t where) { while(true); return 0; }
+		bool MapRangeKernel(addr_t where, size_t bytes) { while(true); return false; }
+		void UnmapRangeKernel(addr_t where, size_t bytes) { while(true); }
+		bool MapRangeUser(addr_t where, size_t bytes) { while(true); return false; }
+		void UnmapRangeUser(addr_t where, size_t bytes) { while(true); }
 
 	#endif
 	}

sortix/memorymanagement.h

@@ -344,6 +344,12 @@ namespace Sortix
 		// good dozen of pages onwards. Beware that this is only meant to be
 		// a temporary place to put memory.
 		const addr_t tempaddr = 0xFF800000UL;
+
+#elif defined(PLATFORM_X64)
+		// 	This isn't supported yet, so just use random values.
+		const addr_t heapLower = 0x80000000UL;
+		const addr_t heapUpper = 0xFF800000UL;
+		const addr_t tempaddr = 0xFF800000UL;
 #endif
 
 	}

sortix/process.cpp

@@ -81,6 +81,7 @@ namespace Sortix
 
 	void SysExecute(CPU::InterruptRegisters* R)
 	{
+#ifdef PLATFORM_X86
 		const char* programname = (const char*) R->ebx;
 
 		size_t programsize = 0;
@@ -96,5 +97,6 @@ namespace Sortix
 		R->eip = entry;
 		R->useresp = 0x80000000UL;
 		R->ebp = 0x80000000UL;
+#endif
 	}
 }

sortix/scheduler.cpp

@@ -261,6 +261,11 @@ namespace Sortix
 			// Create a new thread data structure.
 			Thread* thread = new Thread(Process, AllocatedThreadId++, PhysStack, StackLength);
 
+#ifndef PLATFORM_X86
+			#warning "No threads are available on this arch"
+			while(true);
+#endif
+
 #ifdef PLATFORM_X86
 
 			uintptr_t StackPos = 0x80000000UL;
@@ -271,7 +276,6 @@ namespace Sortix
 			VirtualMemory::MapUser(MapTo, PhysStack);
 			size_t* Stack = (size_t*) StackPos;
 
-#ifdef PLATFORM_X86
 			// Prepare the parameters for the entry function (C calling convention).
 			//Stack[StackLength - 1] = (size_t) 0xFACE; // Parameter2
 			Stack[-1] = (size_t) Parameter2; // Parameter2
@@ -280,12 +284,7 @@ namespace Sortix
 			Stack[-4] = (size_t) 0x0; // Eip
 			thread->_registers.ebp = thread->_registers.useresp = (uint32_t) (StackPos - 4*sizeof(size_t)); // Point to the last word used on the stack.
 			thread->_registers.eip = (uint32_t) Start; // Point to our entry function.
-#endif
 
-#else
-			#warning "No threads are available on this arch"
-			while(true);
-#endif
 
 			// Mark the thread as running, which adds it to the scheduler's linked list.
 			thread->SetState(Thread::State::RUNNABLE);
@@ -293,6 +292,8 @@ namespace Sortix
 			// Avoid side effects by restoring the old address space.
 			VirtualMemory::SwitchAddressSpace(OldAddrSpace);
 
+#endif
+
 			return thread;
 		}
 
@@ -319,12 +320,16 @@ namespace Sortix
 
 			if ( currentThread != NoopThread && currentThread->GetProcess() && sigintpending )
 			{
+#ifdef PLATFORM_X86
 				Sound::Mute();
 				const char* programname = "sh";
 				R->ebx = (uint32_t) programname;
 				SysExecute(R);
 				sigintpending = false;
 				Log::Print("^C\n");
+#else
+#warning "Sigint is not available on this arch"
+#endif
 			}
 
 			WakeSleeping(TimePassed);

sortix/sound.cpp

@@ -55,8 +55,10 @@ namespace Sortix
 
 		void SysSetFrequency(CPU::InterruptRegisters* R)
 		{
+#ifdef PLATFORM_X86
 			unsigned frequency = R->ebx;
 			if ( frequency == 0 ) { Mute(); } else { Play(frequency); }
+#endif
 		}
 	}
 }

sortix/vga.cpp

@@ -62,6 +62,7 @@ namespace Sortix
 
 		void SysCreateFrame(CPU::InterruptRegisters* R)
 		{
+#ifdef PLATFORM_X86
 			addr_t page = Page::Get();
 			if ( page == NULL ) { R->eax = 0; return; }
 
@@ -102,10 +103,12 @@ namespace Sortix
 			process->_endcodesection = mapto + 0x1000UL;
 
 			R->eax = mapto;
+#endif
 		}
 
 		void SysChangeFrame(CPU::InterruptRegisters* R)
 		{
+#ifdef PLATFORM_X86
 			int fd = (int) R->ebx;
 
 			Process* process = CurrentProcess();
@@ -167,11 +170,13 @@ namespace Sortix
 
 			frame->onscreen = true;
 			currentframe = frame;
-			SetCursor(width, height-1);	
+			SetCursor(width, height-1);
+#endif
 		}
 
 		void SysDeleteFrame(CPU::InterruptRegisters* R)
 		{
+#ifdef PLATFORM_X86
 			int fd = (int) R->ebx;
 
 			Process* process = CurrentProcess();
@@ -181,6 +186,7 @@ namespace Sortix
 			if ( device == NULL ) { R->eax = -1; return; }
 			if ( !device->Close() )  { R->eax = -1; return; }
 			R->eax = 0;
+#endif
 		}
 	}
 

sortix/x64/memorymanagement-asm.s

@@ -18,7 +18,7 @@
 	with Sortix. If not, see <http://www.gnu.org/licenses/>.
 
 	memorymanagement-asm.s
-	Handles memory for the x86 architecture.
+	Handles memory for the x64 architecture.
 
 ******************************************************************************/
 
@@ -80,9 +80,9 @@ FragNext:
 FragDone:
 	ret	
 
-.globl _ZN6Sortix4Page3GetEv
-.type _ZN6Sortix4Page3GetEv, @function # namespace Sortix { void Paging::Allocate(); }
-_ZN6Sortix4Page3GetEv:
+.globl _ZN6Sortix4Page10GetPrivateEv
+.type _ZN6Sortix4Page10GetPrivateEv, @function # namespace Sortix { void Paging::Allocate(); }
+_ZN6Sortix4Page10GetPrivateEv:
 	# Load the front of our linked list.
 	movq _ZN6Sortix4Page15UnallocatedPageE, %rax # Load UnallocPage* Sortix::Page::UnallocatedPage
 
@@ -135,9 +135,9 @@ OutOfMem:
 	movq $0, %rax
 	ret
 
-.globl _ZN6Sortix4Page3PutEPv
-.type _ZN6Sortix4Page3PutEPv, @function # namespace Sortix { void Paging::Free(void* Page); }
-_ZN6Sortix4Page3PutEPv:
+.globl _ZN6Sortix4Page10PutPrivateEm
+.type _ZN6Sortix4Page10PutPrivateEm, @function # namespace Sortix { void Paging::Free(void* Page); }
+_ZN6Sortix4Page10PutPrivateEm:
 	movq _ZN6Sortix4Page15UnallocatedPageE, %rax # Load UnallocPage* Sortix::Page::UnallocatedPage
 
 	# Disable virtual memory