diff options
Diffstat (limited to 'init/log.c')
| -rw-r--r-- | init/log.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -28,6 +28,8 @@ int print(const char *fmt, ...) fmt += 2; } + /* we essentially print the user's raw input to its own buffer, + later we will parse it and print out ANSI colors and what not */ char buf[512]; va_list ap; @@ -42,13 +44,20 @@ int print(const char *fmt, ...) break; } - /* spin lock, at the cost of architecture portability */ + /* spin lock, at the cost of architecture portability + concurrency is something that we need to adjust for, and the + console will be scrambled and unreadable if we allow writing all + at the same time. I considered simply writing all at once, but + ended up just not caring enough to the point where spinlocks + prevail. */ __asm__(".spin_lock:"); __asm__("mov rax, 1"); __asm__("xchg rax, [console_lock]"); __asm__("test rax, rax"); __asm__("jnz .spin_lock"); + /* we want to support stuff without colons, but frankly I havent + tested this at time of writing. will find out later */ if(buf[colon] == ':') { writeputs(ANSI_RESET); writeputs(colors[loglevel]); @@ -63,6 +72,7 @@ int print(const char *fmt, ...) writeputs(buf); } writeputs(ANSI_RESET); + write(STDOUT_FILENO, "\n", 1); console_lock = 0; return 0; |