util/romcc/tests/linux_test13.c

   1 #include "linux_syscall.h"
   2 #include "linux_console.h"
   3
   4 struct mem_controller {
   5         unsigned short channel0[4];
   6 };
   7
   8 static unsigned int spd_detect_dimms(const struct mem_controller *ctrl)
   9 {
  10         unsigned dimm_mask;
  11         int i;
  12
  13         print_debug("1\n");
  14         dimm_mask = 0;
  15         for(i = 0; i < 4; i++) {
  16                 int byte;
  17                 unsigned device;
  18
  19                 print_debug("2\n");
  20                 device = ctrl->channel0[i];
  21                 if (device) {
  22                         print_debug("3\n");
  23                         byte = ctrl->channel0[i] + 2;
  24                         if (byte == 7) {
  25                                 dimm_mask |= (1 << i);
  26                         }
  27                 }
  28                 print_debug("4\n");
  29         }
  30         print_debug("5\n");
  31         return dimm_mask;
  32 }
  33
  34
  35 static void main(void)
  36 {
  37         static const struct mem_controller cpu[] = {
  38                 {
  39                         .channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 },
  40                 },
  41         };
  42         long dimm_mask;
  43         print_debug("A\n");
  44         dimm_mask = spd_detect_dimms(cpu);
  45         print_debug("B\n");
  46         _exit(0);
  47 }