colonel.exe 🤑, refactor all include directives, AHCI is now interrupt driven, upgrades to IDE, implemented I/O Request Packets, fix numerous keyboard issues, change all for (;;) and while (1) to while (true), DbgPrint guarded by spinlock, fix KeSignalEvent, major KernelMain refactor, added SystemInitThread because of new blocking I/O, replace memcpy manouvers with strncpy and strncat, add: run for ide, runa for ahci, rund for debug and ide, runad for debug and ahci.

code/hal/hal_pci.c

@@ -1,6 +1,6 @@
 // hal_pci.c - PCI configuration space via Mechanism 1 port I/O
-#include "hal_api.h"
 #include <stdint.h>
+#include <hal_api.h>
 
 #define PCI_CONFIG_ADDR  0xCF8
 #define PCI_CONFIG_DATA  0xCFC
@@ -55,9 +55,16 @@ static bool PciFindClass(uint8_t classCode, uint8_t subclass,
     return false;
 }
 
+static uint8_t PciGetIrqLine(uint8_t bus, uint8_t dev, uint8_t fn) {
+    // PCI config register 0x3C: byte 0 = IRQ line, byte 1 = IRQ pin
+    uint32_t val = PciRead32(bus, dev, fn, 0x3C);
+    return (uint8_t)(val & 0xFF);   // 0xFF = not connected
+}
+
 void HalPciInitialize(HAL_PCI* out) {
-    out->ConfigRead32  = PciRead32;
-    out->ConfigWrite32 = PciWrite32;
+    out->Read32  = PciRead32;
+    out->Write32 = PciWrite32;
     out->FindDevice    = PciFindDevice;
     out->FindClass     = PciFindClass;
+    out->GetIrqLine    = PciGetIrqLine;
 }