diff options
Diffstat (limited to 'src/as/ioport.s')
| -rw-r--r-- | src/as/ioport.s | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/as/ioport.s b/src/as/ioport.s new file mode 100644 index 0000000..f4b4dbd --- /dev/null +++ b/src/as/ioport.s @@ -0,0 +1,13 @@ +.global ioport_in +.global ioport_out + +ioport_in: + movl 4(%esp),%edx + in %dx,%al + ret + +ioport_out: + movl 4(%esp),%edx + movl 8(%esp),%eax + outb %al,%dx + ret |