pic setup code entered

c/drivers.c

@@ -1,43 +1,3 @@
-//pic stuff
-
-//resets the pic status so it can handle more interupts again
-void picintdone(unsigned char irq){
-if(irq >= 8){
-byteout(spiccommand,PIC_EOI);
-}
-else{
-byteout(mpiccommand,PIC_EOI);
-}}
-
-void PIC_init(int offset1, int offset2){
-unsigned char a1, a2;
-
-a1 = bytein(mpicdata);                        // save masks
-a2 = bytein(spicdata);
-
-byteout(mpiccommand, ICW1_INIT | ICW1_ICW4);  // starts the initialization sequence (in cascade mode)
-wait(2);
-byteout(spiccommand, ICW1_INIT | ICW1_ICW4);
-wait(2);
-byteout(mpicdata, offset1);                 // ICW2: Master PIC vector offset
-wait(2);
-byteout(spicdata, offset2);                 // ICW2: Slave PIC vector offset
-wait(2);
-byteout(mpicdata, 4);                       // ICW3: tell Master PIC that there is a slave PIC at IRQ2 (0000 0100)
-wait(2);
-byteout(spicdata, 2);                       // ICW3: tell Slave PIC its cascade identity (0000 0010)
-wait(2);
-
-byteout(mpicdata, ICW4_8086);
-wait(2);
-byteout(spicdata, ICW4_8086);
-wait(2);
-
-byteout(mpicdata, a1);   // restore saved masks.
-byteout(spicdata, a2);
-}
-
-
 //supposed to handle scrolling but not implemented yet
 void scroll(){
 }

c/headers.c

@@ -11,6 +11,10 @@
 //for ifdefs for debug checking
 #define debug
 
+//includes
+#include <stdint.h>
+
+
 //pic controll stuff
 #define mpiccommand 0x0020
 #define mpicdata 0x0021

c/pic.c

@@ -0,0 +1,78 @@
+//pic stuff
+
+//resets the pic status so it can handle more interupts again
+void picintdone(unsigned char irq){
+if(irq >= 8){
+byteout(spiccommand,PIC_EOI);
+}
+else{
+byteout(mpiccommand,PIC_EOI);
+}}
+
+void PIC_init(int offset1, int offset2){
+unsigned char a1, a2;
+
+a1 = bytein(mpicdata);                        // save masks
+a2 = bytein(spicdata);
+
+byteout(mpiccommand, ICW1_INIT | ICW1_ICW4);  // starts the initialization sequence (in cascade mode)
+wait(2);
+byteout(spiccommand, ICW1_INIT | ICW1_ICW4);
+wait(2);
+byteout(mpicdata, offset1);                 // ICW2: Master PIC vector offset
+wait(2);
+byteout(spicdata, offset2);                 // ICW2: Slave PIC vector offset
+wait(2);
+byteout(mpicdata, 4);                       // ICW3: tell Master PIC that there is a slave PIC at IRQ2 (0000 0100)
+wait(2);
+byteout(spicdata, 2);                       // ICW3: tell Slave PIC its cascade identity (0000 0010)
+wait(2);
+
+byteout(mpicdata, ICW4_8086);
+wait(2);
+byteout(spicdata, ICW4_8086);
+wait(2);
+
+byteout(mpicdata, a1);   // restore saved masks.
+byteout(spicdata, a2);
+}
+
+
+void IRQ_set_mask(unsigned char IRQline) {
+    uint16_t port;
+    uint8_t value;
+
+    if(IRQline < 8) {
+        port = mpicdata;
+    } else {
+        port = spicdata;
+        IRQline -= 8;
+    }
+    value = bytein(port) | (1 << IRQline);
+    byteout(port, value);        
+}
+
+void IRQ_clear_mask(unsigned char IRQline) {
+    uint16_t port;
+    uint8_t value;
+
+    if(IRQline < 8) {
+        port = mpicdata;
+    } else {
+        port = spicdata;
+        IRQline -= 8;
+    }
+    value = bytein(port) & ~(1 << IRQline);
+    byteout(port, value);        
+}
+
+void EOI(int pic){
+if(pic == 0){
+byteout(mpiccommand, 0x20);
+}else{
+byteout(spiccommand, 0x20);
+byteout(mpiccommand, 0x20);
+}
+}
+
+//setting up idt now. def didnt copy paste the code I am offended you would even think that

kernel_entry.asm

@@ -1,5 +1,6 @@
-jmp declared
-declared:
+jmp initidt
+%include "idt.asm"
+idtdone:
 [bits 32] ; We ’ re in protected mode by now , so use 32 - bit instructions.
 ; Ensures that we jump straight into the kernel ’s entry function.
 [extern main] ; Declate that we will be referencing the external symbol ’ main ’,