bitkeeper revision 1.1389.9.6 (428135ccBlRW99tjfmtjk5XjVtLT3A)

Minor adaptations for common ACPI update and other common changes

xen/arch/ia64/domain.c

@@ -191,7 +191,7 @@ void arch_do_createdomain(struct exec_domain *ed)
 	// stay on kernel stack because may get interrupts!
 	// ia64_ret_from_clone (which b0 gets in new_thread) switches
 	// to user stack
-	ed->thread.on_ustack = 0;
+	ed->arch._thread.on_ustack = 0;
 }
 
 void arch_do_boot_vcpu(struct exec_domain *p)
@@ -261,7 +261,7 @@ void new_thread(struct exec_domain *ed,
 printf("new_thread: ed=%p, start_pc=%p, regs=%p, sw=%p, new_rbs=%p, IA64_STK_OFFSET=%p, &r8=%p\n",
 ed,start_pc,regs,sw,new_rbs,IA64_STK_OFFSET,&regs->r8);
 	sw->b0 = (unsigned long) &ia64_ret_from_clone;
-	ed->thread.ksp = (unsigned long) sw - 16;
+	ed->arch._thread.ksp = (unsigned long) sw - 16;
 	//ed->thread_info->flags = 0;
 printk("new_thread, about to call init_all_rr\n");
 	init_all_rr(ed);

xen/arch/ia64/irq.c

@@ -1406,9 +1406,11 @@ int pirq_guest_bind(struct exec_domain *d, int irq, int will_share)
         desc->handler->startup(irq);
 
         /* Attempt to bind the interrupt target to the correct CPU. */
+#if 0 /* FIXME CONFIG_SMP ??? */
         if ( desc->handler->set_affinity != NULL )
             desc->handler->set_affinity(
                 irq, apicid_to_phys_cpu_present(d->processor));
+#endif
     }
     else if ( !will_share || !action->shareable )
     {

xen/arch/ia64/mm_init.c

@@ -227,7 +227,7 @@ ia64_set_rbs_bot (void)
 
 	if (stack_size > MAX_USER_STACK_SIZE)
 		stack_size = MAX_USER_STACK_SIZE;
-	current->thread.rbs_bot = STACK_TOP - stack_size;
+	current->arch._thread.rbs_bot = STACK_TOP - stack_size;
 }
 
 /*
@@ -255,7 +255,7 @@ printf("ia64_init_addr_space: called, not implemented\n");
 	if (vma) {
 		memset(vma, 0, sizeof(*vma));
 		vma->vm_mm = current->mm;
-		vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
+		vma->vm_start = current->arch._thread.rbs_bot & PAGE_MASK;
 		vma->vm_end = vma->vm_start + PAGE_SIZE;
 		vma->vm_page_prot = protection_map[VM_DATA_DEFAULT_FLAGS & 0x7];
 		vma->vm_flags = VM_READ|VM_WRITE|VM_MAYREAD|VM_MAYWRITE|VM_GROWSUP;

xen/arch/ia64/patch/linux-2.6.11/unaligned.c

@@ -1,5 +1,5 @@
 --- ../../linux-2.6.11/arch/ia64/kernel/unaligned.c	2005-03-02 00:38:25.000000000 -0700
-+++ arch/ia64/unaligned.c	2005-04-28 15:40:13.000000000 -0600
++++ arch/ia64/unaligned.c	2005-05-10 15:46:09.000000000 -0600
 @@ -437,7 +437,11 @@
  }
  
@@ -12,7 +12,31 @@
  setreg (unsigned long regnum, unsigned long val, int nat, struct pt_regs *regs)
  {
  	struct switch_stack *sw = (struct switch_stack *) regs - 1;
-@@ -611,7 +615,11 @@
+@@ -522,7 +526,11 @@
+ 	 */
+ 	if (regnum >= IA64_FIRST_ROTATING_FR) {
+ 		ia64_sync_fph(current);
++#ifdef XEN
++		current->arch._thread.fph[fph_index(regs, regnum)] = *fpval;
++#else
+ 		current->thread.fph[fph_index(regs, regnum)] = *fpval;
++#endif
+ 	} else {
+ 		/*
+ 		 * pt_regs or switch_stack ?
+@@ -581,7 +589,11 @@
+ 	 */
+ 	if (regnum >= IA64_FIRST_ROTATING_FR) {
+ 		ia64_flush_fph(current);
++#ifdef XEN
++		*fpval = current->arch._thread.fph[fph_index(regs, regnum)];
++#else
+ 		*fpval = current->thread.fph[fph_index(regs, regnum)];
++#endif
+ 	} else {
+ 		/*
+ 		 * f0 = 0.0, f1= 1.0. Those registers are constant and are thus
+@@ -611,7 +623,11 @@
  }
  
  
@@ -24,7 +48,7 @@
  getreg (unsigned long regnum, unsigned long *val, int *nat, struct pt_regs *regs)
  {
  	struct switch_stack *sw = (struct switch_stack *) regs - 1;
-@@ -1294,6 +1302,9 @@
+@@ -1294,6 +1310,9 @@
  void
  ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
  {
@@ -34,7 +58,7 @@
  	struct ia64_psr *ipsr = ia64_psr(regs);
  	mm_segment_t old_fs = get_fs();
  	unsigned long bundle[2];
-@@ -1502,4 +1513,5 @@
+@@ -1502,4 +1521,5 @@
  	si.si_imm = 0;
  	force_sig_info(SIGBUS, &si, current);
  	goto done;

xen/arch/ia64/process.c

@@ -517,7 +517,7 @@ printf("ia64_fault, vector=0x%p, ifa=%p, iip=%p, ipsr=%p, isr=%p\n",
 	      case 32: /* fp fault */
 	      case 33: /* fp trap */
 		//result = handle_fpu_swa((vector == 32) ? 1 : 0, regs, isr);
-		if ((result < 0) || (current->thread.flags & IA64_THREAD_FPEMU_SIGFPE)) {
+		//if ((result < 0) || (current->thread.flags & IA64_THREAD_FPEMU_SIGFPE)) {
 			//siginfo.si_signo = SIGFPE;
 			//siginfo.si_errno = 0;
 			//siginfo.si_code = FPE_FLTINV;
@@ -526,7 +526,7 @@ printf("ia64_fault, vector=0x%p, ifa=%p, iip=%p, ipsr=%p, isr=%p\n",
 			//siginfo.si_isr = isr;
 			//siginfo.si_imm = 0;
 			//force_sig_info(SIGFPE, &siginfo, current);
-		}
+		//}
 		//return;
 		sprintf(buf, "FP fault/trap");
 		break;

xen/arch/ia64/xenmisc.c

@@ -79,6 +79,14 @@ void raise_actimer_softirq(void)
 	raise_softirq(AC_TIMER_SOFTIRQ);
 }
 
+unsigned long __hypercall_create_continuation(
+	unsigned int op, unsigned int nr_args, ...)
+{
+	printf("__hypercall_create_continuation: not implemented!!!\n");
+}
+
+///////////////////////////////
+
 ///////////////////////////////
 // from arch/x86/apic.c
 ///////////////////////////////

xen/include/asm-ia64/config.h

@@ -258,6 +258,14 @@ struct screen_info { };
 #define seq_printf(a,b...) printf(b)
 #define CONFIG_BLK_DEV_INITRD // needed to reserve memory for domain0
 
+//
+#define __smp_processor_id() (current->processor)
+
+// needed for newer ACPI code
+#define asmlinkage
+
+#define FORCE_CRASH()	asm("break 0;;");
+
 // these declarations got moved at some point, find a better place for them
 extern int opt_noht;
 extern int ht_per_core;

xen/include/asm-ia64/domain.h

@@ -60,7 +60,7 @@ struct arch_exec_domain {
 };
 
 #define active_mm arch.active_mm
-#define thread arch._thread
+//#define thread arch._thread
 
 // FOLLOWING FROM linux-2.6.7/include/sched.h