Working pre-handlers

kaneton/machine/architecture/ia32/educational/handler.c

@@ -30,5 +30,11 @@ void handler(int num)
   //asm volatile ("\t movl %%eax,%0" : "=r"(syscall));
 
   module_call(console, message,
-	      '+', "spawning the 'system' server\n");
+	      '+', "youhou, interruption %d\n", num);
+}
+
+void handler_err(int err, int num)
+{
+  module_call(console, message,
+	      '!', "youhou, interruption d'erreur %d\n", num);
 }

kaneton/machine/architecture/ia32/educational/idt_wrappers.S.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+if [ -n "$1" ]
+then
+    FILEOUT=$1
+else
+    FILEOUT=${0:0:$(($#0 - 3))}
+fi
+
+echo ".section .text" > $FILEOUT
+echo "        .align  4" >> $FILEOUT
+echo "" >> $FILEOUT
+
+for i in `seq 0 255`
+do
+    echo "        .global idt_wrapper_$i" >> $FILEOUT
+    echo "idt_wrapper_$i:" >> $FILEOUT
+    echo "        cli" >> $FILEOUT
+    echo "        pusha" >> $FILEOUT
+    echo "        push %ds" >> $FILEOUT
+    echo "        push %es" >> $FILEOUT
+    echo "        push %fs" >> $FILEOUT
+    echo "        push %gs" >> $FILEOUT
+    echo "        push %ss" >> $FILEOUT
+    echo "        push \$$i" >> $FILEOUT
+
+    if [ $i -eq 8 ] || ( [ $i -ge 10 ] && [ $i -lt 15 ])
+    then
+	echo "        push \$0" >> $FILEOUT
+	echo "        call handler_err" >> $FILEOUT
+	echo "        pop %ebx" >> $FILEOUT
+    else
+	echo "        call handler" >> $FILEOUT
+    fi
+    echo "        pop %ebx" >> $FILEOUT
+    echo "        pop %ss" >> $FILEOUT
+    echo "        pop %gs" >> $FILEOUT
+    echo "        pop %fs" >> $FILEOUT
+    echo "        pop %es" >> $FILEOUT
+    echo "        pop %ds" >> $FILEOUT
+    echo "        popa" >> $FILEOUT
+    echo "        sti" >> $FILEOUT
+    echo "        iret" >> $FILEOUT
+    echo "" >> $FILEOUT
+done

kaneton/machine/architecture/ia32/educational/include/handler.h

@@ -55,6 +55,8 @@
 
 void handler(int num);
 
+void handler_err(int err, int num);
+
 
 /*
  * eop

kaneton/machine/architecture/ia32/educational/include/idt.h

@@ -173,6 +173,14 @@ t_error	architecture_idt_insert(t_uint16	index,
 				t_paddr		offset,
 				t_flags		flags);
 
+t_error	architecture_idt_reserve(t_paddr	base,
+				 t_flags	flags,
+				 t_uint16*	index);
+
+t_error	architecture_idt_delete(t_uint16	index);
+
+t_error	architecture_idt_build(void);
+
 
 /*
  * eop

kaneton/machine/glue/ibm-pc.ia32/educational/event.c

@@ -37,8 +37,8 @@ d_event			glue_event_dispatch =
     NULL,
     NULL,
     NULL,
-    NULL,
-    NULL,
+    glue_event_enable,
+    glue_event_disable,
     NULL,
     NULL,
     glue_event_initialize,
@@ -51,6 +51,20 @@ d_event			glue_event_dispatch =
  * ---------- functions -------------------------------------------------------
  */
 
+t_error			glue_event_enable(void)
+{
+  ARCHITECTURE_STI();
+
+  MACHINE_LEAVE();
+}
+
+t_error			glue_event_disable(void)
+{
+  ARCHITECTURE_CLI();
+
+  MACHINE_LEAVE();
+}
+
 t_error			glue_event_initialize(void)
 {
   t_uint16 i;

kaneton/machine/glue/ibm-pc.ia32/educational/include/event.h

@@ -75,6 +75,10 @@
  * ../event.c
  */
 
+t_error			glue_event_enable(void);
+
+t_error			glue_event_disable(void);
+
 t_error			glue_event_initialize(void);