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