Changed how lock works (now it's assembly spinlock)

Architecture/amd64/LockAssembly.S

@@ -0,0 +1,70 @@
+# https://en.wikipedia.org/wiki/Spinlock
+
+.text
+
+# void SpinLock_Lock(volatile uint64_t *LockData)
+.global SpinLock_Lock
+
+# void SpinLock_Unlock(volatile uint64_t *LockData)
+.global SpinLock_Unlock
+
+# uint64_t SpinLock_CheckAndLock(volatile uint64_t *LockData)
+.global SpinLock_CheckAndLock
+
+# uint64_t SpinLock_WithTimeout(volatile uint64_t *LockData, volatile uint64_t Iterations)
+.global SpinLock_WithTimeout
+
+# DeadLockHandler(volatile <struct> *LockStructure)
+.extern DeadLockHandler
+
+SpinLock_Lock:
+    xorq %rax,%rax
+    lock btsl $0,(%rdi)
+    jc Spin
+    ret
+Spin:
+    incq %rax
+    cmpq $0x10000000,%rax
+    je Deadlock
+    pause
+    testl $1,(%rdi)
+    jnz Spin
+    jmp SpinLock_Lock
+
+SpinLock_Unlock:
+    lock btrl $0,(%rdi)
+    ret
+
+Deadlock:
+    pushq %rdi
+    pushq %rdi
+    xorq %rax,%rax
+    call DeadLockHandler
+    popq %rdi
+    popq %rdi
+    jmp Spin
+
+SpinLock_CheckAndLock:
+    xorl %eax,%eax
+    lock btsl $0,(%rdi)
+    setcb %al
+    ret
+
+SpinLock_WithTimeout:
+    xorq %rax,%rax
+SpinTimeout:
+    incq %rax
+    lock btsl $0,(%rdi)
+    setcb %bl
+    cmpb $0,%bl
+    je LockAquired
+    cmpq %rsi,%rax
+    je LockTimedOut
+    pause
+    jmp SpinTimeout
+LockAquired:
+    movq $1,%rax
+    ret
+LockTimedOut:
+    xorq %rax,%rax
+    ret