OrionLibC
Barry Importing existing Orion LibC 03048a9 (2 years, 2 months ago)diff --git a/stdio/dbgprintf.c b/stdio/dbgprintf.c new file mode 100644 index 0000000..c1f5729 --- /dev/null +++ b/stdio/dbgprintf.c @@ -0,0 +1,30 @@ +#include <stdarg.h> +#include <sys/syscall.h> + +int vsprintf(char *buf, const char *fmt, va_list args); + +/* Send message to Kernel Output */ +void +dbgprintf(char *fmt, ...) +{ + char buf[1024]; + va_list args; + va_start(args, fmt); + vsprintf(buf, fmt, args); + va_end(args); + + int ret; + char *p = buf; + asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_DBGPRINTF), + "c" (1), "S" (&p)); +} + +/* Send an unformatted message to Kernel Output */ +void +dbgputs(char *str) +{ + int ret; + asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_DBGPRINTF), + "c" (1), "S" (&str)); + +}