no error code if hardware interrupt

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@371 c046a42c-6fe2-441c-8c8c-71466251a162

cpu-exec.c

@@ -170,7 +170,7 @@ int cpu_exec(CPUState *env1)
                     do_interrupt(env->exception_index, 
                                  env->exception_is_int, 
                                  env->error_code, 
-                                 env->exception_next_eip);
+                                 env->exception_next_eip, 0);
 #endif
                 }
                 env->exception_index = -1;
@@ -192,7 +192,7 @@ int cpu_exec(CPUState *env1)
                         if (loglevel) {
                             fprintf(logfile, "Servicing hardware INT=0x%02x\n", intno);
                         }
-                        do_interrupt(intno, 0, 0, 0);
+                        do_interrupt(intno, 0, 0, 0, 1);
                         env->interrupt_request &= ~CPU_INTERRUPT_HARD;
                         /* ensure that no TB jump will be modified as
                            the program flow was changed */

exec-i386.h

@@ -142,7 +142,7 @@ void tlb_fill(unsigned long addr, int is_write, void *retaddr);
 void __hidden cpu_lock(void);
 void __hidden cpu_unlock(void);
 void do_interrupt(int intno, int is_int, int error_code, 
-                  unsigned int next_eip);
+                  unsigned int next_eip, int is_hw);
 void do_interrupt_user(int intno, int is_int, int error_code, 
                        unsigned int next_eip);
 void raise_interrupt(int intno, int is_int, int error_code, 

helper-i386.c

@@ -185,7 +185,7 @@ static inline int load_segment(uint32_t *e1_ptr, uint32_t *e2_ptr,
 
 /* protected mode interrupt */
 static void do_interrupt_protected(int intno, int is_int, int error_code,
-                                   unsigned int next_eip)
+                                   unsigned int next_eip, int is_hw)
 {
     SegmentCache *dt;
     uint8_t *ptr, *ssp;
@@ -265,7 +265,7 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
 
     shift = type >> 3;
     has_error_code = 0;
-    if (!is_int) {
+    if (!is_int && !is_hw) {
         switch(intno) {
         case 8:
         case 10:
@@ -427,10 +427,10 @@ void do_interrupt_user(int intno, int is_int, int error_code,
  * instruction. It is only relevant if is_int is TRUE.  
  */
 void do_interrupt(int intno, int is_int, int error_code, 
-                  unsigned int next_eip)
+                  unsigned int next_eip, int is_hw)
 {
     if (env->cr[0] & CR0_PE_MASK) {
-        do_interrupt_protected(intno, is_int, error_code, next_eip);
+        do_interrupt_protected(intno, is_int, error_code, next_eip, is_hw);
     } else {
         do_interrupt_real(intno, is_int, error_code, next_eip);
     }