int main(int argc, char *argv[])
{
struct local_drm_i915_reg_read reg_read;
int ret, fd;
uint64_t val;
fd = drm_open_any();
reg_read.offset = 0x2358;
ret = drmIoctl(fd, REG_READ_IOCTL, ®_read);
if (errno == EINVAL)
exit(77);
else if (ret)
exit(EXIT_FAILURE);
val = timer_query(fd);
sleep(1);
if (timer_query(fd) == val) {
fprintf(stderr, "Timer isn't moving, probably busted\n");
exit(EXIT_FAILURE);
}
/* bad reg */
reg_read.offset = 0x12345678;
ret = drmIoctl(fd, REG_READ_IOCTL, ®_read);
handle_bad(ret, errno, EINVAL, "bad register");
close(fd);
exit(EXIT_SUCCESS);
}
static void post_mortem(const volatile void* p, unsigned len_bytes,
unsigned start_n, ci_uint8 expected_seed,
int start_off)
{
unsigned seed, n;
unsigned bad_i = 0, i = 0, len;
const ci_uint8* pdw;
ci_uint8 expected_n;
pdw = (const ci_uint8*) p;
while( len_bytes - i >= 4 ) {
seed = pdw[i];
n = pdw[i + 1] + 1;
if( pdw[i + 2] != seed || pdw[i + 3] != (ci_uint8) (n - 3) ) {
seed = pdw[i + 1];
n = pdw[i];
if( pdw[i + 3] != seed || pdw[i + 2] != (ci_uint8) (n - 2) ) {
++i;
continue;
}
}
len = find_valid_extent(pdw + i, seed, n, len_bytes - i);
ci_assert(len >= 4);
expected_n = (ci_uint8) (start_n - i);
if( bad_i != i ) handle_bad(pdw, bad_i, i, start_off);
if( seed == expected_seed && (n & 0xff) == expected_n )
ci_log("[0x%04x->%04x] okay (bytes=%04u seed=0x%02x n=0x%02x)",
start_off+i, start_off+i+len-1, len, seed, (unsigned) expected_n);
else
ci_log("[0x%04x->%04x] patn (bytes=%04u seed=0x%02x{%02x} "
"n=0x%02x{%02x})", start_off+i, start_off+i+len-1,
len, seed, expected_seed, n & 0xff, (unsigned) expected_n);
i += len;
bad_i = i;
}
if( i < len_bytes || bad_i != i )
handle_bad(pdw, bad_i, len_bytes, start_off);
}
