| void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
| void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
| ␊ |
| ␊ |
| void Memory_start()␊ |
| {␊ |
| ␉register_hook_callback("PCIDevice", &Memory_PCIDevice_hook);␊ |
| ␉register_hook_callback("ScanMemory", &Memory_hook);␊ |
| ␊ |
| ␉␊ |
| }␊ |
| ␊ |
| void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
| {␊ |
| ␉printf("PCIDevice hook\n");␊ |
| ␉pci_dt_t* current = arg1;␊ |
| ␉if(current->class_id == PCI_CLASS_BRIDGE_HOST)␊ |
| ␉{␊ |
| ␉␉printf(" PCI_CLASS_BRIDGE_HOST located\n");␊ |
| ␊ |
| ␉␉dram_controller_dev = current;␊ |
| ␉}␊ |
| }␊ |
| ␊ |
| void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
| {␊ |
| ␉printf("ScanMemory hook\n");␊ |
| ␉if (dram_controller_dev!=NULL) {␊ |
| ␉␉printf(" scan_dram_controller\n");␊ |
| ␊ |
| ␉␉scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...␊ |
| ␉}␊ |
| ␉scan_memory(&Platform); // unfortunately still necesary for some comp where spd cant read correct speed␊ |
| ␉scan_spd(&Platform);␊ |
| }␊ |
| ␊ |
| ␊ |
| ␊ |
| /* Nedded to devide 64bit numbers correctly. TODO: look into why the module needs this␊ |
| * And why it isn't needed when compiled into boot2␊ |
| */␊ |
| ␊ |
| uint64_t __udivdi3(uint64_t numerator, uint64_t denominator)␊ |
| {␊ |
| ␉uint64_t quotient = 0, qbit = 1;␊ |
| ␉␊ |
| ␉if (denominator)␊ |
| ␉{␊ |
| ␉␉while ((int64_t) denominator >= 0)␊ |
| ␉␉{␊ |
| ␉␉␉denominator <<= 1;␊ |
| ␉␉␉qbit <<= 1;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␉␉while (denominator)␊ |
| ␉␉{␊ |
| ␉␉␉if (denominator <= numerator)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉numerator -= denominator;␊ |
| ␉␉␉␉quotient += qbit;␊ |
| ␉␉␉}␊ |
| ␉␉␉denominator >>= 1;␊ |
| ␉␉␉qbit >>= 1;␊ |
| ␉␉}␊ |
| ␉␉␊ |
| ␉␉return quotient;␊ |
| ␉}␊ |
| ␉else {␊ |
| ␉␉stop("Divide by 0");␊ |
| ␉␉return 0;␊ |
| ␉}␊ |
| ␉␊ |
| }␊ |
