diff options
author | Danny Holman <dholman@gymli.org> | 2024-02-16 12:35:04 -0600 |
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committer | Danny Holman <dholman@gymli.org> | 2024-02-16 12:35:04 -0600 |
commit | fa748f3e1c0b0571e2c53514a55794ca16d90b18 (patch) | |
tree | e722b4feae40dd020a63710c55b80fab0ea7bb82 /include/kernel | |
parent | a267b8c076793cf59c2f6c80a31d7d094a215aab (diff) |
arch: i386: kernel: the serial driver should be more POSIX-y
Make the serial driver behave more like a standard POSIX call. It should
have write and read functions that call architecture specific functions.
Signed-off-by: Danny Holman <dholman@gymli.org>
Diffstat (limited to 'include/kernel')
-rw-r--r-- | include/kernel/serial.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/include/kernel/serial.h b/include/kernel/serial.h index 24def78..4767722 100644 --- a/include/kernel/serial.h +++ b/include/kernel/serial.h @@ -1,15 +1,21 @@ -#ifndef SERIAL_H -#define SERIAL_H +#ifndef KERNEL_SERIAL_H +#define KERNEL_SERIAL_H -#include <kernel/string.h> +#include <stdint.h> +#include <stddef.h> int serial_init(void); -char read_serial(void); -void write_serial(char a); +void serial_putchar(char c); +char serial_getchar(void); -static inline void serial_writestring(const char *str) { - for (size_t i = 0; i < strlen(str); i++) - write_serial(str[i]); +static inline void serial_write(const char *data, size_t size) { + for (size_t i = 0; i < size; i++) + serial_putchar(data[i]); +} + +static inline void serial_read(char *data, size_t size) { + for (size_t i = 0; i < size; i++) + data[i] = serial_getchar(); } #endif |