summaryrefslogtreecommitdiffstats
path: root/arch/ia64/kernel/ivt.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/kernel/ivt.S')
-rw-r--r--arch/ia64/kernel/ivt.S84
1 files changed, 42 insertions, 42 deletions
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 6678c49..80b44ea 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -1076,48 +1076,6 @@ END(ia64_syscall_setup)
DBG_FAULT(15)
FAULT(15)
- /*
- * Squatting in this space ...
- *
- * This special case dispatcher for illegal operation faults allows preserved
- * registers to be modified through a callback function (asm only) that is handed
- * back from the fault handler in r8. Up to three arguments can be passed to the
- * callback function by returning an aggregate with the callback as its first
- * element, followed by the arguments.
- */
-ENTRY(dispatch_illegal_op_fault)
- .prologue
- .body
- SAVE_MIN_WITH_COVER
- ssm psr.ic | PSR_DEFAULT_BITS
- ;;
- srlz.i // guarantee that interruption collection is on
- ;;
-(p15) ssm psr.i // restore psr.i
- adds r3=8,r2 // set up second base pointer for SAVE_REST
- ;;
- alloc r14=ar.pfs,0,0,1,0 // must be first in insn group
- mov out0=ar.ec
- ;;
- SAVE_REST
- PT_REGS_UNWIND_INFO(0)
- ;;
- br.call.sptk.many rp=ia64_illegal_op_fault
-.ret0: ;;
- alloc r14=ar.pfs,0,0,3,0 // must be first in insn group
- mov out0=r9
- mov out1=r10
- mov out2=r11
- movl r15=ia64_leave_kernel
- ;;
- mov rp=r15
- mov b6=r8
- ;;
- cmp.ne p6,p0=0,r8
-(p6) br.call.dpnt.many b6=b6 // call returns to ia64_leave_kernel
- br.sptk.many ia64_leave_kernel
-END(dispatch_illegal_op_fault)
-
.org ia64_ivt+0x4000
/////////////////////////////////////////////////////////////////////////////////////////
// 0x4000 Entry 16 (size 64 bundles) Reserved
@@ -1715,6 +1673,48 @@ END(ia32_interrupt)
DBG_FAULT(67)
FAULT(67)
+ /*
+ * Squatting in this space ...
+ *
+ * This special case dispatcher for illegal operation faults allows preserved
+ * registers to be modified through a callback function (asm only) that is handed
+ * back from the fault handler in r8. Up to three arguments can be passed to the
+ * callback function by returning an aggregate with the callback as its first
+ * element, followed by the arguments.
+ */
+ENTRY(dispatch_illegal_op_fault)
+ .prologue
+ .body
+ SAVE_MIN_WITH_COVER
+ ssm psr.ic | PSR_DEFAULT_BITS
+ ;;
+ srlz.i // guarantee that interruption collection is on
+ ;;
+(p15) ssm psr.i // restore psr.i
+ adds r3=8,r2 // set up second base pointer for SAVE_REST
+ ;;
+ alloc r14=ar.pfs,0,0,1,0 // must be first in insn group
+ mov out0=ar.ec
+ ;;
+ SAVE_REST
+ PT_REGS_UNWIND_INFO(0)
+ ;;
+ br.call.sptk.many rp=ia64_illegal_op_fault
+.ret0: ;;
+ alloc r14=ar.pfs,0,0,3,0 // must be first in insn group
+ mov out0=r9
+ mov out1=r10
+ mov out2=r11
+ movl r15=ia64_leave_kernel
+ ;;
+ mov rp=r15
+ mov b6=r8
+ ;;
+ cmp.ne p6,p0=0,r8
+(p6) br.call.dpnt.many b6=b6 // call returns to ia64_leave_kernel
+ br.sptk.many ia64_leave_kernel
+END(dispatch_illegal_op_fault)
+
#ifdef CONFIG_IA32_SUPPORT
/*
OpenPOWER on IntegriCloud