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| author | Elizabeth Alexander Hunt <me@liz.coffee> | 2026-10-09 09:06:04 -0700 |
|---|---|---|
| committer | Elizabeth Alexander Hunt <me@liz.coffee> | 2026-10-09 09:06:04 -0700 |
| commit | c74bd1baa844eac1fcb17a266ef720ed0c1ae616 (patch) | |
| tree | 9b5c7699c8704b0930daeddffa568990254a231b /src/io.c | |
| parent | f021512078e7d2447e46a4856a81c0ba6e030d43 (diff) | |
| download | macaroni-c74bd1baa844eac1fcb17a266ef720ed0c1ae616.tar.gz macaroni-c74bd1baa844eac1fcb17a266ef720ed0c1ae616.zip | |
Bit o a refactah
Diffstat (limited to 'src/io.c')
| -rw-r--r-- | src/io.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/io.c b/src/io.c new file mode 100644 index 0000000..1d9db60 --- /dev/null +++ b/src/io.c @@ -0,0 +1,12 @@ +#include <stdint.h> +#include "utils.h" + +uint8_t inportb(uint16_t port) { + uint8_t r; + asm("inb %1, %0" : "=a" (r) : "dN" (port)); + return r; +} + +void outportb(uint16_t port, uint8_t data) { + asm("outb %1, %0" : : "dN" (port), "a" (data)); +}
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