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author | dzwdz | 2022-04-14 12:19:51 +0200 |
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committer | dzwdz | 2022-04-14 12:19:51 +0200 |
commit | 2eead2f6eab2aa1fbc727ce28d9fa9a8e90a1eec (patch) | |
tree | d4bb0ae50e5f612a4fae67763414f72ea1a85b8a /src/kernel/arch/io.h | |
parent | dcb2ce6337f54a9821e3971976a07e767846e3c1 (diff) |
kernel: port init's `printf` implementation
Diffstat (limited to 'src/kernel/arch/io.h')
-rw-r--r-- | src/kernel/arch/io.h | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/src/kernel/arch/io.h b/src/kernel/arch/io.h deleted file mode 100644 index ef8cb17..0000000 --- a/src/kernel/arch/io.h +++ /dev/null @@ -1,29 +0,0 @@ -#pragma once -#include <stddef.h> - -void tty_init(void); -void tty_write(const char *buf, size_t len); - -static inline void _tty_hex(const char *buf, size_t len) { - char hex[2]; - for (size_t i = 0; i < len; i++) { - hex[0] = (buf[i] & 0xF0) >> 4; - hex[0] += '0'; - if (hex[0] > '9') - hex[0] += 'a' - '9' - 1; - - hex[1] = buf[i] & 0xF; - hex[1] += '0'; - if (hex[1] > '9') - hex[1] += 'a' - '9' - 1; - - tty_write(hex, 2); - } -} - -// used for static strings -#define tty_const(str) tty_write(str, sizeof(str) - 1) - -// very hacky, shouldn't be actually used - only for debugging -// prints backwards -#define _tty_var(var) _tty_hex((void*)&var, sizeof(var)) |