| 32,9 → 32,18 |
|---|
| #include <arch/arg.h> |
| |
| |
| static char digits[] = "0123456789abcdef"; |
| static spinlock_t printflock; |
| static char digits[] = "0123456789abcdef"; /**< Hexadecimal characters */ |
| static spinlock_t printflock; /**< printf spinlock */ |
| |
| |
| /** Print NULL terminated string |
| * |
| * Print characters from str using putchar() until |
| * \x00 character is reached. |
| * |
| * @param str Characters to print. |
| * |
| */ |
| void print_str(char *str) |
| { |
| int i = 0; |
| 45,9 → 54,16 |
|---|
| } |
| |
| |
| /* |
| * This is a universal function for printing hexadecimal numbers of fixed |
| * width. |
| /** Print hexadecimal digits |
| * |
| * Print fixed count of hexadecimal digits from |
| * the number num. The digits are printed in |
| * natural left-to-right order starting with |
| * the width-th digit. |
| * |
| * @param num Number containing digits. |
| * @param width Count of digits to print. |
| * |
| */ |
| void print_fixed_hex(__native num, int width) |
| { |
| 57,9 → 73,16 |
|---|
| putchar(digits[(num>>i) & 0xf]); |
| } |
| |
| /* |
| * This is a universal function for printing decimal and hexadecimal numbers. |
| * It prints only significant digits. |
| |
| /** Print number in given base |
| * |
| * Print significant digits of a number in given |
| * base. |
| * |
| * @param num Number to print. |
| * @param base Base to print the number in (should |
| * be in range 2 .. 16). |
| * |
| */ |
| void print_number(__native num, int base) |
| { |
| 74,10 → 97,40 |
|---|
| print_str(&d[i + 1]); |
| } |
| |
| /* |
| * This is our function for printing formatted text. |
| * It's much simpler than the user-space one. |
| * We are greateful for this function. |
| |
| /** General formatted text print |
| * |
| * Print text formatted according the fmt parameter |
| * and variant arguments. Each formatting directive |
| * begins with % (percentage) character and one of the |
| * following character: |
| * |
| * % Prints the percentage character. |
| * s The next variant argument is threated as char* |
| * and printed as a NULL terminated string. |
| * c The next variant argument is threated as a single char. |
| * l The next variant argument is threated as a 32b integer |
| * and printed in full hexadecimal width. |
| * L As with 'l', but '0x' is prefixed. |
| * w The next variant argument is threated as a 16b integer |
| * and printed in full hexadecimal width. |
| * W As with 'w', but '0x' is prefixed. |
| * b The next variant argument is threated as a 8b integer |
| * and printed in full hexadecimal width. |
| * N As with 'b', but '0x' is prefixed. |
| * d The next variant argument is threated as integer |
| * and printed in standard decimal format (only significant |
| * digits). |
| * x The next variant argument is threated as integer |
| * and printed in standard hexadecimal format (only significant |
| * digits). |
| * X As with 'x', but '0x' is prefixed. |
| * |
| * All other characters from fmt except the formatting directives |
| * are printed in verbatim. |
| * |
| * @param fmt Formatting NULL terminated string. |
| * |
| */ |
| void printf(char *fmt, ...) |
| { |