Unified SW/HW interrupts, HW works now

src/idt.c

@@ -45,13 +45,21 @@ void load_error_handlers()
 
 void default_handler(struct reg_state reg, uint32_t interrupt, uint32_t error, struct stack_state stack) 
 {
+    /*for(uint32_t i=stack.eip-16;i<=stack.eip+16;i+=4)
+    {
+	serial_hexword(i);
+	serial_writestring(": ");
+	serial_hexword(*((uint32_t*)(void*)i));
+	serial_writestring("\n");
+	}*/
     if(interrupt<32)
 	stack.eip+=2;
     serial_writestring("int caught ");
     char f[20];
     serial_val(interrupt);
-    serial_val(error);
-    serial_val(stack.eip);
+    serial_hexword(error);serial_writestring(" ");
+    serial_hexword(stack.eip);serial_writestring(" ");
+    //serial_val(stack.eip);
     serial_val(stack.cd);
     serial_val(stack.eflags);
     serial_writestring("\n");
@@ -59,6 +67,7 @@ void default_handler(struct reg_state reg, uint32_t interrupt, uint32_t error, s
     {
 	handlers[interrupt](error);
     }
+    //asm("hlt");
     return;
 }
 

src/kern.c

@@ -31,11 +31,12 @@ void kernel_main(multiboot_info* mbt, uint32_t magic)
     pit_init();
     pit_start_counter(100, PIT_OCW_CONT_0, PIT_OCW_MODE_SQWVGEN);
     enable_int();
+    
 	/* Since there is no support for newlines in terminal_putchar
          * yet, '\n' will produce some VGA specific character instead.
          * This is normal.
          */
-
+    
     serial_writestring("Hello, kernel World!\n");
     terminal_writestring("Hello, kernel World!\n");
 
@@ -57,6 +58,13 @@ void kernel_main(multiboot_info* mbt, uint32_t magic)
     int o=0;
     int j=5/o;
     serial_hexword(j);
+<<<<<<< HEAD
     test_mem();
     test_idt();
+=======
+    serial_writestring("\n");
+    while(true)
+	serial_writestring("");
+    asm ("hlt");
+>>>>>>> Unified SW/HW interrupts, HW works now
 }

src/pit.c

@@ -2,6 +2,7 @@
 #include "pic.h"
 #include "idt.h"
 #include "asm.h"
+#include "serial.h"
 
 #pragma GCC push_options
 #pragma GCC optimize ("0")
@@ -11,10 +12,12 @@ static bool _pit_is_init = false;
 
 void pit_irq()
 {
-    asm volatile ("add %esp, 12; pusha");
+    //asm volatile ("pusha");
     _pit_ticks++;
+    //serial_writestring("PIT tick\n");
     pic_command(0, PIC_OCW2_EOI);
-    asm volatile("popa; iret");
+    //serial_writestring("PIT tickn\n");
+    //asm volatile("nop;nop;nop;popa; iret;");
 }
 
 void pit_command(uint8_t cmd)
@@ -71,7 +74,8 @@ void pit_start_counter(uint32_t freq, uint8_t counter, uint8_t mode)
 
 void pit_init()
 {
-    install_ir(32, IDT_PR|IDT_32, 0x8, pit_irq);
+    //install_ir(32, IDT_PR|IDT_32, 0x8, pit_irq);
+    install_c_ir(32, pit_irq);
     _pit_is_init = true;
 }