Added lspci print function, will we added to sh soon.

Author: pradosh-arduino

source/includes/graphics.h

@@ -89,12 +89,7 @@ void done(cstring message, cstring  file);
  */
 void putc(char c);
 
-/**
- * @brief Prints decimal numbers
- * 
- * @param num the number to be printed
- */
-void printdec(int num);
+
 
 /**
  * @brief Prints a value in binary format
@@ -172,7 +167,7 @@ int snprintf(char *buf, size_t size, const char *fmt, ...);
  * @param c char to print
  * @note Internally using Flanterm's putchar function
  */
- void vputc(char c);
+void vputc(char c);
 
 /**
  * @brief Print function for plain strings. (No Formatter)

source/includes/pci.h

@@ -25,6 +25,7 @@ extern cstring display_adapter_name;
 extern cstring GPUName[1]; //Max 2 GPUs allowed
 extern string using_graphics_card;
 extern int64* graphics_base_Address;
+extern int total_devices;
 
 // Define the base address for the PCI configuration space
 #define PCI_CONFIG_ADDRESS 0xCF8

source/kernel/C/pci.c

@@ -11,6 +11,8 @@
 #include <pci.h>
 
 int gpu_index = 0;
+int total_devices = 0;
+
 cstring display_adapter_name = "Frost Generic Display Adapter";
 cstring GPUName[1] = {"Frost Generic Display Driver for Graphics Processing Unit"}; // Max 2 GPUs allowed
 
@@ -21,6 +23,12 @@ typedef void (*pci_probe_fn)(
     uint8_t bus, uint8_t slot, uint8_t function
 );
 
+typedef struct {
+    int16 bus;
+    int16 slot;
+    int16 func;
+} pci_location_t;
+
 typedef struct {
     uint16_t vendor;
     uint16_t device;
@@ -204,6 +212,7 @@ void load_graphics_card(int16 bus, int16 slot, int16 function, cstring graphics_
 char* vendorNames[512];
 char* deviceNames[512];
 char* classNames[512];
+pci_location_t pciLocations[512];
 
 /**
  * @brief Scans (Probes) PCI Devices
@@ -261,17 +270,20 @@ void probe_pci(){
                         snprintf(deviceName, sizeof(deviceNameBuffer), "Unknown Device (0x%04X)", device);
                     }
 
+                    
                     print(green_color);
                     printf("%9s : Device : %9s -- Class : %9s", vendorName, deviceName, className);
                     print(reset_color);
-
+                    
                     debug_printf(green_color);
                     debug_printf("%s : Device : %s -- Class : %s\n", vendorName, deviceName, className);
                     debug_printf(reset_color);
-
+                    
                     vendorNames[i] = vendorName;
                     deviceNames[i] = deviceName;
                     classNames[i]  = className;
+                    pciLocations[i] = (pci_location_t){bus, slot, function};
+
                     vendorName = "";
                     deviceName = "";
                     className  = "";
@@ -282,7 +294,24 @@ void probe_pci(){
     done("Successfully completed probe!", __FILE__);
     done("Successfully saved to a array and verified.", __FILE__);
 
+    total_devices = i;
+    printf("Total PCI Devices : %02d", total_devices);
     printf(yellow_color "GPU(0) : %s", GPUName[0]);
     printf("GPU(1) : %s" reset_color,  GPUName[1]);
     printf("Display Adapter : %s", display_adapter_name);
+}
+
+void print_lspci() {
+    for (int i = 0; i < total_devices; i++) {
+        if (vendorNames[i] == NULL || deviceNames[i] == NULL || classNames[i] == NULL)
+            continue; // Skip empty entries
+
+            printf("%02d:%2x.%d " yellow_color "%s " green_color "%s " red_color "%s" reset_color,
+                pciLocations[i].bus,
+                pciLocations[i].slot, 
+                pciLocations[i].func,
+                vendorNames[i],
+                deviceNames[i],
+                classNames[i]);
+    }
 }

source/kernel/C/pci_id.c

@@ -14,11 +14,22 @@
 
 static pci_id_entry_t pci_ids[] = {
 
+    // * This is the entire array for the known PCI devices.
+    // FORMAT :
+    // {vendor, device, class, name, isgpu, handler_function}
+    //
+    // class may be 0xFF which means any class.
+
     // --- Intel chipset ---
     {0x8086, 0x29C0, 0xFF, "(Intel) Express DRAM Controller", 0, NULL},
     {0x8086, 0x2918, 0xFF, "(Intel) LPC Interface Controller", 0, NULL},
     {0x8086, 0x2922, 0xFF, "(Intel) 6 port SATA Controller [AHCI mode]", 0, probe_ahci},
     {0x8086, 0x2930, 0xFF, "(Intel) SMBus Controller", 0, NULL},
+    {0x8086, 0x1237, 0xFF, "440FX - 82441FX PMC [Natoma]", 0, NULL},
+    {0x8086, 0x7000, 0xFF, "82371SB PIIX3 ISA [Natoma/Triton II]", 0, NULL},
+    {0x8086, 0x7010, 0xFF, "82371SB PIIX3 IDE [Natoma/Triton II]", 0, NULL},
+    {0x8086, 0x7113, 0xFF, "82371AB/EB/MB PIIX4 ACPI", 0, NULL},
+
 
     // --- AMD chipset ---
     {0x1022, 0x7800, 0xFF, "AMD SATA Controller [AHCI]", 0, probe_ahci},