feat: e100e Ethernet driver, ramdisk reorganization, shell rewrite, web server/client, and more

kernel/src/Hal/Apic/Interrupts.hpp

@@ -8,11 +8,11 @@
 #include <cstdint>
 
 namespace Hal {
-    // IRQ handler function type. The parameter is the IRQ number (0-23).
+    // IRQ handler function type. The parameter is the IRQ number (0-47).
     using IrqHandler = void(*)(uint8_t irq);
 
-    // Number of IRQ lines supported (IOAPIC inputs)
-    constexpr int IRQ_COUNT = 24;
+    // Number of IRQ slots supported (0-23: legacy ISA via IOAPIC, 24-47: MSI)
+    constexpr int IRQ_COUNT = 48;
 
     // IRQ vector base: hardware IRQs start at IDT vector 32
     constexpr uint8_t IRQ_VECTOR_BASE = 32;
@@ -29,7 +29,7 @@ namespace Hal {
     constexpr uint8_t IRQ_ATA1     = 14;
     constexpr uint8_t IRQ_ATA2     = 15;
 
-    // Register a handler for the given IRQ number (0-23)
+    // Register a handler for the given IRQ number (0-47)
     void RegisterIrqHandler(uint8_t irq, IrqHandler handler);
 
     // Install IRQ stubs into the IDT and set up the dispatch table

kernel/src/Hal/Apic/IsrStubs.asm

@@ -65,8 +65,8 @@ IrqCommon:
 
     iretq
 
-; Define stubs for IRQs 0..23 (vectors 32..55)
-; This covers all standard ISA IRQs plus some extra IOAPIC inputs
+; Define stubs for IRQs 0..47 (vectors 32..79)
+; 0-23: legacy ISA IRQs via IOAPIC, 24-47: MSI vectors
 IRQ_STUB 0
 IRQ_STUB 1
 IRQ_STUB 2
@@ -91,6 +91,30 @@ IRQ_STUB 20
 IRQ_STUB 21
 IRQ_STUB 22
 IRQ_STUB 23
+IRQ_STUB 24
+IRQ_STUB 25
+IRQ_STUB 26
+IRQ_STUB 27
+IRQ_STUB 28
+IRQ_STUB 29
+IRQ_STUB 30
+IRQ_STUB 31
+IRQ_STUB 32
+IRQ_STUB 33
+IRQ_STUB 34
+IRQ_STUB 35
+IRQ_STUB 36
+IRQ_STUB 37
+IRQ_STUB 38
+IRQ_STUB 39
+IRQ_STUB 40
+IRQ_STUB 41
+IRQ_STUB 42
+IRQ_STUB 43
+IRQ_STUB 44
+IRQ_STUB 45
+IRQ_STUB 46
+IRQ_STUB 47
 
 ; Spurious interrupt handler (vector 0xFF) - do nothing, no EOI
 global IrqStubSpurious
@@ -125,3 +149,27 @@ IrqStubTable:
     dq IrqStub21
     dq IrqStub22
     dq IrqStub23
+    dq IrqStub24
+    dq IrqStub25
+    dq IrqStub26
+    dq IrqStub27
+    dq IrqStub28
+    dq IrqStub29
+    dq IrqStub30
+    dq IrqStub31
+    dq IrqStub32
+    dq IrqStub33
+    dq IrqStub34
+    dq IrqStub35
+    dq IrqStub36
+    dq IrqStub37
+    dq IrqStub38
+    dq IrqStub39
+    dq IrqStub40
+    dq IrqStub41
+    dq IrqStub42
+    dq IrqStub43
+    dq IrqStub44
+    dq IrqStub45
+    dq IrqStub46
+    dq IrqStub47