diff options
Diffstat (limited to 'tests/simple_mesh/test.c')
| -rw-r--r-- | tests/simple_mesh/test.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/tests/simple_mesh/test.c b/tests/simple_mesh/test.c deleted file mode 100644 index b1bbe84..0000000 --- a/tests/simple_mesh/test.c +++ /dev/null @@ -1,55 +0,0 @@ -__attribute__((always_inline)) -static inline void print_int8(volatile char *uart, unsigned x) -{ - *uart = ((x >> 4) & 0xf) + '0'; - *uart = ((x >> 0) & 0xf) + '0'; -} - -__attribute__((always_inline)) -static inline void print_addr(volatile char *uart, unsigned x, unsigned y) -{ - *uart = '('; - print_int8(uart, x); - *uart = ','; - *uart = ' '; - print_int8(uart, y); - *uart = ')'; - *uart = '\n'; -} - -__attribute__((always_inline)) -static inline unsigned wrap(unsigned x, unsigned X) -{ - return x + 1 >= X ? 0 : x + 1; -} - -__attribute__((always_inline)) -static inline unsigned next_idx(unsigned x, unsigned y, unsigned X, unsigned Y) -{ - unsigned yi = wrap(y, Y); - unsigned xi = yi < y ? wrap(x, X) : x; - - return (xi << 16) | yi; -} - -void _start(unsigned x, unsigned y, unsigned X, unsigned Y) -{ - volatile char *uart = (char *)4096; - volatile unsigned *control = (unsigned *)(1ULL << 48); - - if (x == 0 && y == 2) { - goto do_work; - } else { - while (*control != ((x << 16) | y)) {} - } - -do_work: - print_addr(uart, x, y); - *control = next_idx(x, y, X, Y); - - if (x == X - 1 && y == Y - 1) - asm("ebreak"); - - /* otherwise just loop */ - while (1) {} -} |
