diff options
Diffstat (limited to 'src/arm/PL0/PL0_utils.c')
-rw-r--r-- | src/arm/PL0/PL0_utils.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/arm/PL0/PL0_utils.c b/src/arm/PL0/PL0_utils.c new file mode 100644 index 0000000..d83edb9 --- /dev/null +++ b/src/arm/PL0/PL0_utils.c @@ -0,0 +1,19 @@ +#include <stddef.h> +#include <stdint.h> + +#include "svc_interface.h" +#include "PL0_utils.h" + +// most generic definition possible +// the actual function defined in svc.S +uint32_t svc(enum svc_type, ...); + +void putchar(char character) +{ + svc(UART_PUTCHAR, character); +} + +char getchar(void) +{ + return svc(UART_GETCHAR); +} |