diff options
Diffstat (limited to 'tests/simple_torus3d/test.c')
| -rw-r--r-- | tests/simple_torus3d/test.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/tests/simple_torus3d/test.c b/tests/simple_torus3d/test.c deleted file mode 100644 index 646b387..0000000 --- a/tests/simple_torus3d/test.c +++ /dev/null @@ -1,64 +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, - unsigned z) -{ - *uart = '('; - print_int8(uart, x); - *uart = ','; - *uart = ' '; - print_int8(uart, y); - *uart = ','; - *uart = ' '; - print_int8(uart, z); - *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 z, unsigned X, - unsigned Y, unsigned Z) -{ - unsigned zi = wrap(z, Z); - unsigned yi = zi < z ? wrap(y, Y) : y; - unsigned xi = yi < y ? wrap(x, X) : x; - - return (xi << 16) | (yi << 8) | zi; -} - -void _start(unsigned x, unsigned y, unsigned z, unsigned X, unsigned Y, - unsigned Z) -{ - volatile char *uart = (char *)4096; - /* x = 1ULL << 32, y = 1ULL << 40, z = 1ULL << 48 I guess */ - volatile unsigned *control = (unsigned *)(1ULL << 48); - - - if (x == 0 && y == 0 && z == 2) { - goto do_work; - } else { - while (*control != ((x << 16) | (y << 8) | z)) {} - } - -do_work: - print_addr(uart, x, y, z); - *control = next_idx(x, y, z, X, Y, Z); - - if (x == X - 1 && y == Y - 1 && z == Z - 1) - asm ("ebreak"); - - /* otherwise just loop */ - while (1) {} -} |
