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/*
* Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
.text
.globl pio_outb
pio_outb:
mov %rdi, %rdx // PORT
mov %rsi, %rax // VAL
outb %al, %dx
retq
.globl pio_outw
pio_outw:
mov %rdi, %rdx // PORT
mov %rsi, %rax // VAL
outw %ax, %dx
retq
.globl pio_outl
pio_outl:
mov %rdi, %rdx // PORT
mov %rsi, %rax // VAL
outl %eax, %dx
retq
.globl pio_inb
pio_inb:
mov %rdi, %rdx // PORT
xor %rax, %rax
inb %dx, %al
retq
.global pio_inw
pio_inw:
mov %rdi, %rdx // PORT
xor %rax, %rax
inw %dx, %ax
retq
.global pio_inl
pio_inl:
mov %rdi, %rdx // PORT
xor %rax, %rax
inl %dx, %eax
retq
/* vim: ft=gas :
*/
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