Remove some long-dead code

Reviewed by: cognet

sys/arm/arm/exception.S

@@ -234,11 +234,6 @@ ENTRY_NP(undefinedinstruction_bounce)
 	.data
 	.align	0
 
-#ifdef IPKDB
-Lipkdb_trap_return_data:
-	.word	0
-#endif
-
 /*
  * Indirection data
  * 2 words use for preserving r0 and r1

sys/arm/arm/locore.S

@@ -283,43 +283,6 @@ ENTRY_NP(cpu_halt)
 	.word	_C_LABEL(cpu_reset_needs_v4_MMU_disable)
 
 
-#ifdef IPKDB
-/*
- * Execute(inst, psr, args, sp)
- *
- * Execute INSTruction with PSR and ARGS[0] - ARGS[3] making
- * available stack at SP for next undefined instruction trap.
- *
- * Move the instruction onto the stack and jump to it.
- */
-ENTRY_NP(Execute)
-	mov	ip, sp
-	stmfd	sp!, {r2, r4-r7, fp, ip, lr, pc}
-	sub	fp, ip, #4
-	mov	ip, r3
-	ldr	r7, .Lreturn
-	stmfd	sp!, {r0, r7}
-	adr	r7, #.LExec
-	mov	r5, r1
-	mrs	r4, cpsr
-	ldmia	r2, {r0-r3}
-	mov	r6, sp
-	mov	sp, ip
-	msr	cpsr_all, r5
-	mov	pc, r6
-.LExec:
-	mrs	r5, cpsr
-/* XXX Cannot switch thus easily back from user mode */
-	msr	cpsr_all, r4
-	add	sp, r6, #8
-	ldmfd	sp!, {r6}
-	stmia	r6, {r0-r3}
-	mov	r0, r5
-	ldmdb	fp, {r4-r7, fp, sp, pc}
-.Lreturn:
-	mov	pc, r7
-#endif
-
 /*
  * setjump + longjmp
  */

sys/arm/sa11x0/assabet_machdep.c

@@ -110,11 +110,8 @@ __FBSDID("$FreeBSD$");
 /* Define various stack sizes in pages */
 #define IRQ_STACK_SIZE	1
 #define ABT_STACK_SIZE	1
-#ifdef IPKDB
-#define UND_STACK_SIZE	2
-#else
 #define UND_STACK_SIZE	1
-#endif
+
 #define	KERNEL_VM_BASE		(KERNBASE + 0x00100000)
 #define	KERNEL_VM_SIZE		0x05000000
 

sys/arm/xscale/i80321/ep80219_machdep.c

@@ -109,11 +109,7 @@ __FBSDID("$FreeBSD$");
 /* Define various stack sizes in pages */
 #define IRQ_STACK_SIZE	1
 #define ABT_STACK_SIZE	1
-#ifdef IPKDB
-#define UND_STACK_SIZE	2
-#else
 #define UND_STACK_SIZE	1
-#endif
 
 extern u_int data_abort_handler_address;
 extern u_int prefetch_abort_handler_address;

sys/arm/xscale/i80321/iq31244_machdep.c

@@ -109,11 +109,7 @@ __FBSDID("$FreeBSD$");
 /* Define various stack sizes in pages */
 #define IRQ_STACK_SIZE	1
 #define ABT_STACK_SIZE	1
-#ifdef IPKDB
-#define UND_STACK_SIZE	2
-#else
 #define UND_STACK_SIZE	1
-#endif
 
 extern u_int data_abort_handler_address;
 extern u_int prefetch_abort_handler_address;

sys/arm/xscale/i8134x/crb_machdep.c

@@ -113,11 +113,7 @@ __FBSDID("$FreeBSD$");
 /* Define various stack sizes in pages */
 #define IRQ_STACK_SIZE	1
 #define ABT_STACK_SIZE	1
-#ifdef IPKDB
-#define UND_STACK_SIZE	2
-#else
 #define UND_STACK_SIZE	1
-#endif
 
 extern u_int data_abort_handler_address;
 extern u_int prefetch_abort_handler_address;

sys/arm/xscale/ixp425/avila_machdep.c

@@ -108,11 +108,7 @@ __FBSDID("$FreeBSD$");
 /* Define various stack sizes in pages */
 #define IRQ_STACK_SIZE	1
 #define ABT_STACK_SIZE	1
-#ifdef IPKDB
-#define UND_STACK_SIZE	2
-#else
 #define UND_STACK_SIZE	1
-#endif
 
 extern u_int data_abort_handler_address;
 extern u_int prefetch_abort_handler_address;