Usermode/Applications/pcidump_src/main.c

   1 /*\r
   2  AcessOS PCI Dump\r
   3 */\r
   4 #include <acess/sys.h>\r
   5 #include <stdlib.h>\r
   6 #include <stdio.h>\r
   7 #include <stdint.h>\r
   8 #include <string.h>\r
   9 \r
  10 #define DUMP_BARS       0\r
  11 \r
  12 #include "pcilist.h"\r
  13 \r
  14 // === CONSTANTS ===\r
  15 const struct {\r
  16          int    ID;\r
  17         char *Name;\r
  18 } csaVENDORS[] = {\r
  19         {0x10EC, "Realtek"},\r
  20         {0x1106, "VIA Technologies, Inc."},\r
  21         {0x8086, "Intel"}\r
  22 };\r
  23 #define VENDOR_COUNT    (sizeof(csaVENDORS)/sizeof(csaVENDORS[0]))\r
  24 \r
  25 // === PROTOTYPES ===\r
  26 char    *GetVendorName(uint16_t ID);\r
  27 char    *GetDeviceName(uint16_t ven, uint16_t dev);\r
  28 \r
  29 // ==== CODE ====\r
  30 int main(int argc, char *argv[], char *envp[])\r
  31 {\r
  32          int    dp, fp;\r
  33         char    tmpPath[256+13] = "/Devices/pci/";\r
  34         char    *fileName = tmpPath + sizeof("/Devices/pci");\r
  35         uint16_t        vendor, device;\r
  36         #if DUMP_BARS\r
  37         uint32_t        tmp32;\r
  38         #endif\r
  39         \r
  40         printf("PCI Bus Dump\n");\r
  41         // --- Open PCI Directory\r
  42         dp = open("/Devices/pci", /*OPEN_FLAG_READ|*/OPENFLAG_EXEC);\r
  43         if(dp == -1)\r
  44         {\r
  45                 fprintf(stderr, "Non-Standard configuration or not running on Acess.\n");\r
  46                 fprintf(stderr, "Quitting - Reason: Unable to open PCI driver.\n");\r
  47                 return -1;\r
  48         }\r
  49         \r
  50         // --- List Contents\r
  51         // Uses `fp` as a temp variable\r
  52         while( (fp = readdir(dp, fileName)) )\r
  53         {\r
  54                 if(fp < 0) {\r
  55                         if(fp == -3)    printf("Invalid Permissions to traverse directory\n");\r
  56                         break;\r
  57                 }\r
  58                 \r
  59                 printf("Bus %c%c, Index %c%c, Fcn %c: ", fileName[0],fileName[1],\r
  60                         fileName[3],fileName[4], fileName[6]);\r
  61                 \r
  62                 // Open File\r
  63                 fp = open(tmpPath, OPENFLAG_READ);\r
  64                 if(fp == -1)    continue;\r
  65                 \r
  66                 read(fp, 2, &vendor);   read(fp, 2, &device);\r
  67                 printf(" Vendor 0x%04x, Device 0x%04x\n", vendor, device);\r
  68                 printf(" %s - %s\n", GetVendorName(vendor), GetDeviceName(vendor, device));\r
  69                 \r
  70                 // Reuse vendor and device\r
  71                 seek(fp, 0x8, SEEK_SET);\r
  72                 read(fp, 2, &vendor);   read(fp, 2, &device);\r
  73                 printf(" Revision 0x%04x, Class 0x%04x ()\n", vendor, device);\r
  74                 \r
  75                 // Read File\r
  76                 #if DUMP_BARS\r
  77                 seek(fp, 0x10, SEEK_SET);\r
  78                 printf("Base Address Registers (BARs):\n");\r
  79                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  80                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  81                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  82                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  83                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  84                 read(fp, 4, &tmp32);    printf(" 0x%08x", tmp32);\r
  85                 printf("\n");\r
  86                 #endif\r
  87                 printf("\n");\r
  88                 \r
  89                 // Close File\r
  90                 close(fp);\r
  91         }\r
  92         close(dp);\r
  93         return 0;\r
  94 }\r
  95 \r
  96 char *GetVendorName(uint16_t id)\r
  97 {\r
  98         int i;\r
  99         #if 0\r
 100         for( i = 0; i < VENDOR_COUNT; i++)\r
 101         {\r
 102                 if( csaVENDORS[i].ID == id )\r
 103                         return csaVENDORS[i].Name;\r
 104         }\r
 105         #else\r
 106         for( i = 0; i < PCI_VENTABLE_LEN; i++ )\r
 107         {\r
 108                 if( PciVenTable[i].VenId == id )\r
 109                         return PciVenTable[i].VenFull;\r
 110         }\r
 111         #endif\r
 112         return "Unknown";\r
 113 }\r
 114 \r
 115 char *GetDeviceName(uint16_t ven, uint16_t dev)\r
 116 {\r
 117          int    i;\r
 118         for( i = 0; i < PCI_DEVTABLE_LEN; i++ )\r
 119         {\r
 120                 if( PciDevTable[i].VenId == ven && PciDevTable[i].DevId == dev )\r
 121                         return PciDevTable[i].ChipDesc;\r
 122         }\r
 123         return "Unknown";\r
 124 }\r