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| author | Freya Murphy <freya@freyacat.org> | 2025-04-03 23:04:38 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-03 23:04:38 -0400 |
| commit | d0854aa095421f225f7004cdcca0b8ad074303c5 (patch) | |
| tree | d7c52aee6c0aa574e1b4230b5f28d49342470862 /kernel/io/io.c | |
| parent | load multiboot memory map, heap is done!!! (diff) | |
| download | comus-d0854aa095421f225f7004cdcca0b8ad074303c5.tar.gz comus-d0854aa095421f225f7004cdcca0b8ad074303c5.tar.bz2 comus-d0854aa095421f225f7004cdcca0b8ad074303c5.zip | |
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Diffstat (limited to 'kernel/io/io.c')
| -rw-r--r-- | kernel/io/io.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/io/io.c b/kernel/io/io.c index 11acfdb..489148d 100644 --- a/kernel/io/io.c +++ b/kernel/io/io.c @@ -3,14 +3,17 @@ #include <comus/asm.h> #define PORT 0x3F8 -static void serial_out(uint8_t ch) { +static void serial_out(uint8_t ch) +{ // wait for output to be free - while ((inb(PORT + 5) & 0x20) == 0); + while ((inb(PORT + 5) & 0x20) == 0) + ; outb(PORT, ch); } -void fputc(FILE *stream, char c) { - (void) stream; +void fputc(FILE *stream, char c) +{ + (void)stream; serial_out(c); } |