#include "linux_syscall.h" #include "linux_console.h" struct mem_controller { unsigned short channel0[4]; }; static unsigned int spd_detect_dimms(const struct mem_controller *ctrl) { unsigned dimm_mask; int i; print_debug("1\n"); dimm_mask = 0; for(i = 0; i < 4; i++) { int byte; unsigned device; print_debug("2\n"); device = ctrl->channel0[i]; if (device) { print_debug("3\n"); byte = ctrl->channel0[i] + 2; if (byte == 7) { dimm_mask |= (1 << i); } } print_debug("4\n"); } print_debug("5\n"); return dimm_mask; } static void main(void) { static const struct mem_controller cpu[] = { { .channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 }, }, }; long dimm_mask; print_debug("A\n"); dimm_mask = spd_detect_dimms(cpu); print_debug("B\n"); _exit(0); }