| 1 | /*␊ |
| 2 | * Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>␊ |
| 3 | *␊ |
| 4 | * mem.c - obtain system memory information␊ |
| 5 | */␊ |
| 6 | ␊ |
| 7 | #include "libsaio.h"␊ |
| 8 | #include "pci.h"␊ |
| 9 | #include "platform.h"␊ |
| 10 | #include "cpu.h"␊ |
| 11 | #include "mem.h"␊ |
| 12 | #include "smbios_patcher.h"␊ |
| 13 | ␊ |
| 14 | #ifndef DEBUG_MEM␊ |
| 15 | #define DEBUG_MEM 0␊ |
| 16 | #endif␊ |
| 17 | ␊ |
| 18 | #if DEBUG_MEM␊ |
| 19 | #define DBG(x...)␉␉printf(x)␊ |
| 20 | #else␊ |
| 21 | #define DBG(x...)␊ |
| 22 | #endif␊ |
| 23 | ␊ |
| 24 | #define DC(c) (c >= 0x20 && c < 0x7f ? (char) c : '.')␊ |
| 25 | #define STEP 16␊ |
| 26 | ␊ |
| 27 | void dumpPhysAddr(const char * title, void * a, int len)␊ |
| 28 | {␊ |
| 29 | int i,j;␊ |
| 30 | u_int8_t* ad = (u_int8_t*) a;␊ |
| 31 | char buffer[80];␊ |
| 32 | char str[16];␊ |
| 33 | ␊ |
| 34 | if(ad==NULL) return;␊ |
| 35 | ␊ |
| 36 | printf("%s addr=0x%08x len=%04d\n",title ? title : "Dump of ", a, len);␊ |
| 37 | printf("Ofs-00-01-02-03-04-05-06-07-08-09-0A-0B-0C-0D-0E-0F ASCII\n");␊ |
| 38 | i = (len/STEP)*STEP;␊ |
| 39 | for (j=0; j < i; j+=STEP)␊ |
| 40 | {␊ |
| 41 | printf("%02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",␊ |
| 42 | j, ␊ |
| 43 | ad[j], ad[j+1], ad[j+2], ad[j+3] , ad[j+4], ad[j+5], ad[j+6], ad[j+7],␊ |
| 44 | ad[j+8], ad[j+9], ad[j+10], ad[j+11] , ad[j+12], ad[j+13], ad[j+14], ad[j+15],␊ |
| 45 | DC(ad[j]), DC(ad[j+1]), DC(ad[j+2]), DC(ad[j+3]) , DC(ad[j+4]), DC(ad[j+5]), DC(ad[j+6]), DC(ad[j+7]),␊ |
| 46 | DC(ad[j+8]), DC(ad[j+9]), DC(ad[j+10]), DC(ad[j+11]) , DC(ad[j+12]), DC(ad[j+13]), DC(ad[j+14]), DC(ad[j+15])␊ |
| 47 | ); ␊ |
| 48 | }␊ |
| 49 | ␊ |
| 50 | if (len%STEP==0) return;␊ |
| 51 | sprintf(buffer,"%02x:", i);␊ |
| 52 | for (j=0; j < STEP; j++) {␊ |
| 53 | if (j<(len%STEP))␊ |
| 54 | sprintf(str, " %02x", ad[i+j]);␊ |
| 55 | else␊ |
| 56 | strcpy(str, " " ); ␊ |
| 57 | strncat(buffer, str, sizeof(buffer));␊ |
| 58 | }␊ |
| 59 | strncat(buffer," ", sizeof(buffer));␊ |
| 60 | for (j=0; j < (len%STEP); j++) {␊ |
| 61 | sprintf(str, "%c", DC(ad[i+j])); ␊ |
| 62 | strncat(buffer, str, sizeof(buffer));␊ |
| 63 | }␊ |
| 64 | printf("%s\n",buffer);␊ |
| 65 | }␊ |
| 66 | void dumpAllTablesOfType(int i)␊ |
| 67 | {␊ |
| 68 | char title[32];␊ |
| 69 | struct DMIHeader * dmihdr;␊ |
| 70 | for(dmihdr = FindFirstDmiTableOfType(i, 4);␊ |
| 71 | dmihdr;␊ |
| 72 | dmihdr = FindNextDmiTableOfType(i, 4)) {␊ |
| 73 | sprintf(title,"Table (type %d) :" , i); ␊ |
| 74 | dumpPhysAddr(title, dmihdr, dmihdr->length);␊ |
| 75 | }␊ |
| 76 | }␊ |
| 77 | void scan_memory(PlatformInfo_t *p)␊ |
| 78 | {␊ |
| 79 | int i=0;␊ |
| 80 | uint8_t bc=0;␊ |
| 81 | struct SMBEntryPoint* smbios = NULL;␊ |
| 82 | struct DMIHeader * dmihdr = NULL;␊ |
| 83 | ␊ |
| 84 | struct DMIMemoryControllerInfo* ctrlInfo = NULL;␊ |
| 85 | struct DMIMemoryModuleInfo* memInfo[MAX_RAM_SLOTS];␊ |
| 86 | ␊ |
| 87 | /*␊ |
| 88 | struct DMIPhysicalMemoryArray* physMemArray;␊ |
| 89 | struct DMIMemoryDevice* memDev;␊ |
| 90 | */␊ |
| 91 | ␊ |
| 92 | smbios = getSmbios(SMBIOS_ORIGINAL);␉/* checks for _SM_ anchor and table header checksum */␊ |
| 93 | if (smbios==NULL) return ; // getSmbios() return a non null value if smbios is found␊ |
| 94 | ␊ |
| 95 | ctrlInfo = (struct DMIMemoryControllerInfo*) FindFirstDmiTableOfType(5, 4);␊ |
| 96 | Platform.DMI.MaxMemorySlots = ctrlInfo ? ctrlInfo->numberOfMemorySlots : 0;␊ |
| 97 | printf("Number of smbios detected Slots: %02d\n", Platform.DMI.MaxMemorySlots);␊ |
| 98 | ␊ |
| 99 | Platform.DMI.MemoryModules = 0;␊ |
| 100 | for(dmihdr = FindFirstDmiTableOfType(6, 4);␊ |
| 101 | dmihdr;␊ |
| 102 | dmihdr = FindNextDmiTableOfType(6, 4) ) {␊ |
| 103 | memInfo[i] = (struct DMIMemoryModuleInfo*) dmihdr;␊ |
| 104 | bc = memInfo[i]->bankConnections;␊ |
| 105 | Platform.RAM.DIMM[i].BankConnCnt = 2;␊ |
| 106 | if ((bc & 0x0F) == 0x0F) Platform.RAM.DIMM[i].BankConnCnt--; // 0xF nibble means no connection (3.3.7)␊ |
| 107 | if ((bc & 0xF0) == 0xF0) Platform.RAM.DIMM[i].BankConnCnt--; // 0xF nibble means no connection (3.3.7)␊ |
| 108 | printf("Bank Connection code for Slot %d is %02x, so %d bank connections per slot deducted.\n", ␊ |
| 109 | i+1, bc, Platform.RAM.DIMM[i].BankConnCnt);␊ |
| 110 | ␊ |
| 111 | if ( memInfo[i]->installedSize < 0x7D) // >= 0x7D means error / not installed␊ |
| 112 | Platform.DMI.MemoryModules++;␊ |
| 113 | i++;␊ |
| 114 | }␊ |
| 115 | Platform.DMI.CntMemorySlots = i;␊ |
| 116 | getc();␊ |
| 117 | /*␊ |
| 118 | physMemArray = (struct DMIPhysicalMemoryArray*) getSmbiosTableStructure(smbios, 16, 0x1);␊ |
| 119 | memDev = (struct DMIMemoryDevice*) getSmbiosTableStructure(smbios, 17, 0x1);␊ |
| 120 | */␊ |
| 121 | /*␊ |
| 122 | dumpAllTablesOfType(5);␊ |
| 123 | dumpAllTablesOfType(6 );␊ |
| 124 | getc();␊ |
| 125 | dumpAllTablesOfType(16);␊ |
| 126 | dumpAllTablesOfType(17);␊ |
| 127 | getc();␊ |
| 128 | */␊ |
| 129 | }␊ |
| 130 | |
