use inline asm for x86 IO instr

1 files changed, 0 insertions, 71 deletions

diff --git a/src/arch/x86_64/asm/io_port.s b/src/arch/x86_64/asm/io_port.s
deleted file mode 100644
index 3aec69d..0000000
--- a/src/arch/x86_64/asm/io_port.s
+++ /dev/null
@@ -1,71 +0,0 @@
-;***************************************************************************
-;* Operating-System Construction                                             *
-;*---------------------------------------------------------------------------*
-;*                                                                           *
-;*                             I O _ P O R T                                 *
-;*                                                                           *
-;*---------------------------------------------------------------------------*
-;* The functions defined here encapsulate the machine instructions 'in' and  *
-;* 'out' for class IO_Port.                                                  *
-;*****************************************************************************
-
-; EXPORTED FUNCTIONS
-
-[GLOBAL _outb]
-[GLOBAL _outw]
-[GLOBAL _inb]
-[GLOBAL _inw]
-
-; FUNCTION IMPLEMENTATIONS
-
-[SECTION .text]
-
-; OUTB: Byte-wise output via an I/O port.
-;
-;       C prototype: void outb (int port, int value);
-
-_outb:
-	push   rbp
-	mov    rbp, rsp
-	mov    rdx, rdi
-	mov    rax, rsi
-	out    dx, al
-	pop    rbp
-	ret
-
-; OUTW: Word-wise output via an I/O port.
-;
-;       C prototype: void outw (int port, int value);
-
-_outw:
-	push   rbp
-	mov    rbp, rsp
-	mov    rdx, rdi
-	mov    rax, rsi
-	out    dx, ax
-	pop    rbp
-	ret
-
-; INB: Byte-wise input via an I/O port.
-;
-;      C prototype: unsigned char inb (int port);
-
-_inb:
-	push   rbp
-	mov    rbp, rsp
-	mov    rdx, rdi
-	in     al, dx
-	pop    rbp
-	ret
-
-; INW: Word-wise input via an I/O port.
-;
-;      C prototype: unsigned short inw (int port);
-
-_inw:
-	push   rbp
-	mov    rbp, rsp
-	mov    rdx, rdi
-	in     ax, dx
-	pop    rbp
-	ret