1 files changed, 0 insertions, 147 deletions
diff --git a/cpu/io.s b/cpu/io.s
deleted file mode 100644
index 31e9df0..0000000
--- a/cpu/io.s
+++ /dev/null
@@ -1,147 +0,0 @@
-.intel_syntax noprefix
-.global outsw
-.global outb
-.global outw
-.global outl
-.global inb
-.global inw
-.global inl
-.global rep_outsw
-.global rep_insw
-.global flush_tss
-.global load_idtr
-
-# ebx, esi, edi, ebp, and esp;
-outsw:
-        push ebp
-	mov ebp, esp
-	push esi
-	mov dx, [ebp + 4+4]
-	mov esi, [ebp + 8+4]
-	outsw
-	pop esi
-	mov esp, ebp
-	pop ebp
-	ret
-
-outl:
-	mov eax, [esp + 8]
-	mov dx, [esp + 4]
-	out dx, eax
-	ret
-
-outb:
-	mov al, [esp + 8]
-	mov dx, [esp + 4]
-	out dx, al
-	ret
-
-outw:
-	mov ax, [esp + 8]
-	mov dx, [esp + 4]
-	out dx, ax
-	ret
-
-inl:
-	mov dx, [esp + 4]
-	in  eax, dx
-	ret
-
-inw:
-	mov dx, [esp + 4]
-	in  ax, dx
-	ret
-
-inb:
-	mov dx, [esp + 4]
-	in  al, dx
-	ret
-
-rep_outsw:
-        push ebp
-	mov ebp, esp
-	push edi
-	mov ecx, [ebp + 4+4]      #ECX is counter for OUTSW
-	mov edx, [ebp + 8+4]      #Data port, in and out
-	mov edi, [ebp + 12+4]		#Memory area
-	rep outsw               #in to [RDI]
-	pop edi
-	mov esp, ebp
-	pop ebp
-	ret
-
-rep_insw:
-        push ebp
-	mov ebp, esp
-	push edi
-	mov ecx, [ebp + 4+4]      #ECX is counter for INSW
-	mov edx, [ebp + 8+4]      #Data port, in and out
-	mov edi, [ebp + 12+4]		#Memory area
-	rep insw                #in to [RDI]
-	pop edi
-	mov esp, ebp
-	pop ebp
-	ret
-
-flush_tss:
-	mov ax, 40
-	ltr ax
-	ret
-
-load_idtr:
-	mov edx, [esp + 4]
-	lidt [edx]
-	ret
-
-test_user_function:
-	mov eax, 0x00
-	int 0x80
-	mov ecx, 0x03
-	mov ebx, 0x04
-	mov eax, 0x02
-	int 0x80
-	mov ebx, eax
-	mov eax, 0x01
-	int 0x80
-loop:
-	jmp loop
-	ret
-
-.global spin_lock
-.global spin_unlock
-.extern locked
-
-spin_lock:
-	mov eax, 1
-	xchg eax, ebx
-	test eax, eax     
-	jnz spin_lock
-	ret
-
-spin_unlock:
-	xor eax, eax
-	xchg eax, ebx
-	ret
-
-
-.global jump_usermode
-jump_usermode:
-	mov ax, (4 * 8) | 3 # user data segment with RPL 3
-	mov ds, ax
-	mov es, ax
-	mov fs, ax
-	mov gs, ax # sysexit sets SS
- 
-	# setup wrmsr inputs
-	xor edx, edx # not necessary; set to 0
-	mov eax, 0x100008 # SS=0x10+0x10=0x20, CS=0x8+0x10=0x18
-	mov ecx, 0x174 # MSR specifier: IA32_SYSENTER_CS
-	wrmsr # set sysexit segments
- 
-	# setup sysexit inputs
-	mov edx, [esp + 4] # to be loaded into EIP
-	mov ecx, [esp + 8] # to be loaded into ESP
-	mov esp, ecx
-	mov ebp, ecx
-	sti
-	sysexit