| 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 "fake_efi.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 | ␊ |
| 67 | const char * getDMIString(struct DMIHeader * dmihdr, uint8_t strNum)␊ |
| 68 | {␊ |
| 69 | const char * ret =NULL;␊ |
| 70 | const char * startAddr = (const char *) dmihdr;␊ |
| 71 | const char * limit = NULL;␊ |
| 72 | ␊ |
| 73 | if (!dmihdr || dmihdr->length<4 || strNum==0) return NULL;␊ |
| 74 | startAddr += dmihdr->length;␊ |
| 75 | limit = startAddr + 256;␊ |
| 76 | for(; strNum; strNum--) {␊ |
| 77 | if ((*startAddr)==0 && *(startAddr+1)==0) break;␊ |
| 78 | if (*startAddr && strNum<=1) {␊ |
| 79 | ret = startAddr; // current str␊ |
| 80 | break;␊ |
| 81 | }␊ |
| 82 | while(*startAddr && startAddr<limit) startAddr++;␊ |
| 83 | if (startAddr==limit) break; // no terminator found␊ |
| 84 | else if((*startAddr==0) && *(startAddr+1)==0) break;␊ |
| 85 | else startAddr++;␊ |
| 86 | }␊ |
| 87 | ␊ |
| 88 | return ret;␊ |
| 89 | }␊ |
| 90 | #if UNUSED␊ |
| 91 | ␊ |
| 92 | void dumpAllTablesOfType(int i)␊ |
| 93 | {␊ |
| 94 | char title[32];␊ |
| 95 | ␉struct DMIHeader * dmihdr;␊ |
| 96 | ␉for(dmihdr = FindFirstDmiTableOfType(i, 4);␊ |
| 97 | ␉␉dmihdr;␊ |
| 98 | ␉␉dmihdr = FindNextDmiTableOfType(i, 4)) {␊ |
| 99 | ␉␉sprintf(title,"Table (type %d) :" , i); ␊ |
| 100 | ␉␉dumpPhysAddr(title, dmihdr, dmihdr->length+32);␊ |
| 101 | ␉}␊ |
| 102 | }␊ |
| 103 | ␊ |
| 104 | void scan_memory(PlatformInfo_t *p)␊ |
| 105 | {␉␉ ␊ |
| 106 | int i=0;␊ |
| 107 | struct DMIHeader * dmihdr = NULL;␊ |
| 108 | ␊ |
| 109 | struct DMIMemoryModuleInfo* memInfo[MAX_RAM_SLOTS]; // 6␊ |
| 110 | struct DMIPhysicalMemoryArray* physMemArray; // 16␊ |
| 111 | struct DMIMemoryDevice* memDev[MAX_RAM_SLOTS]; //17␊ |
| 112 | ␊ |
| 113 | /* We mainly don't use obsolete tables 5,6 because most of computers don't handle it anymore */␊ |
| 114 | Platform->DMI.MemoryModules = 0;␊ |
| 115 | /* Now lets peek info rom table 16,17 as for some bios, table 5 & 6 are not used */␊ |
| 116 | physMemArray = (struct DMIPhysicalMemoryArray*) FindFirstDmiTableOfType(16, 4);␊ |
| 117 | Platform->DMI.MaxMemorySlots = physMemArray ? physMemArray->numberOfMemoryDevices : 0;␊ |
| 118 | ␊ |
| 119 | i = 0;␊ |
| 120 | for(dmihdr = FindFirstDmiTableOfType(17, 4);␊ |
| 121 | dmihdr;␊ |
| 122 | dmihdr = FindNextDmiTableOfType(17, 4) ) {␊ |
| 123 | memDev[i] = (struct DMIMemoryDevice*) dmihdr;␊ |
| 124 | if (memDev[i]->size !=0 ) Platform->DMI.MemoryModules++;␊ |
| 125 | if (memDev[i]->speed>0) Platform->RAM.DIMM[i].Frequency = memDev[i]->speed; // take it here for now but we'll check spd and dmi table 6 as well␊ |
| 126 | i++;␊ |
| 127 | }␊ |
| 128 | // for table 6, we only have a look at the current speed␊ |
| 129 | i = 0;␊ |
| 130 | for(dmihdr = FindFirstDmiTableOfType(6, 4);␊ |
| 131 | dmihdr;␊ |
| 132 | dmihdr = FindNextDmiTableOfType(6, 4) ) {␊ |
| 133 | memInfo[i] = (struct DMIMemoryModuleInfo*) dmihdr;␊ |
| 134 | if (memInfo[i]->currentSpeed > Platform->RAM.DIMM[i].Frequency) ␊ |
| 135 | Platform->RAM.DIMM[i].Frequency = memInfo[i]->currentSpeed; // favor real overclocked speed if any␊ |
| 136 | i++;␊ |
| 137 | }␊ |
| 138 | #if 0␊ |
| 139 | dumpAllTablesOfType(17);␊ |
| 140 | getc();␊ |
| 141 | #endif␊ |
| 142 | }␊ |
| 143 | #endif␊ |
| 144 | |
