coreboot-kgpe-d16/util/romcc/tests/linux_test13.c

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#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);
}