ARM: entry: prefetch/data abort helpers: convert to macros

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 35 insertions, 50 deletions

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 90c62cd51ca9..dbe9eb88d550 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -44,6 +44,37 @@
 9997:
         .endm
 
+        .macro  pabt_helper
+        mov     r0, r2                  @ pass address of aborted instruction.
+#ifdef MULTI_PABORT
+        ldr     r4, .LCprocfns
+        mov     lr, pc
+        ldr     pc, [r4, #PROCESSOR_PABT_FUNC]
+#else
+        bl      CPU_PABORT_HANDLER
+#endif
+        .endm
+
+        .macro  dabt_helper
+
+        @
+        @ Call the processor-specific abort handler:
+        @
+        @  r2 - aborted context pc
+        @  r3 - aborted context cpsr
+        @
+        @ The abort handler must return the aborted address in r0, and
+        @ the fault status register in r1.  r9 must be preserved.
+        @
+#ifdef MULTI_DABORT
+        ldr     r4, .LCprocfns
+        mov     lr, pc
+        ldr     pc, [r4, #PROCESSOR_DABT_FUNC]
+#else
+        bl      CPU_DABORT_HANDLER
+#endif
+        .endm
+
 #ifdef CONFIG_KPROBES
         .section        .kprobes.text,"ax",%progbits
 #else
@@ -159,22 +190,7 @@ __dabt_svc:
         tst     r3, #PSR_I_BIT
         biceq   r9, r9, #PSR_I_BIT
 
-        @
-        @ Call the processor-specific abort handler:
-        @
-        @  r2 - aborted context pc
-        @  r3 - aborted context cpsr
-        @
-        @ The abort handler must return the aborted address in r0, and
-        @ the fault status register in r1.  r9 must be preserved.
-        @
-#ifdef MULTI_DABORT
-        ldr     r4, .LCprocfns
-        mov     lr, pc
-        ldr     pc, [r4, #PROCESSOR_DABT_FUNC]
-#else
-        bl      CPU_DABORT_HANDLER
-#endif
+        dabt_helper
 
         @
         @ set desired IRQ state, then call main handler
@@ -298,14 +314,7 @@ __pabt_svc:
         tst     r3, #PSR_I_BIT
         biceq   r9, r9, #PSR_I_BIT
 
-        mov     r0, r2                  @ pass address of aborted instruction.
-#ifdef MULTI_PABORT
-        ldr     r4, .LCprocfns
-        mov     lr, pc
-        ldr     pc, [r4, #PROCESSOR_PABT_FUNC]
-#else
-        bl      CPU_PABORT_HANDLER
-#endif
+        pabt_helper
         debug_entry r1
         msr     cpsr_c, r9                      @ Maybe enable interrupts
         mov     r2, sp                          @ regs
@@ -401,23 +410,7 @@ ENDPROC(__pabt_svc)
 __dabt_usr:
         usr_entry
         kuser_cmpxchg_check
-
-        @
-        @ Call the processor-specific abort handler:
-        @
-        @  r2 - aborted context pc
-        @  r3 - aborted context cpsr
-        @
-        @ The abort handler must return the aborted address in r0, and
-        @ the fault status register in r1.
-        @
-#ifdef MULTI_DABORT
-        ldr     r4, .LCprocfns
-        mov     lr, pc
-        ldr     pc, [r4, #PROCESSOR_DABT_FUNC]
-#else
-        bl      CPU_DABORT_HANDLER
-#endif
+        dabt_helper
 
         @
         @ IRQs on, then call the main handler
@@ -682,15 +675,7 @@ ENDPROC(__und_usr_unknown)
         .align  5
 __pabt_usr:
         usr_entry
-
-        mov     r0, r2                  @ pass address of aborted instruction.
-#ifdef MULTI_PABORT
-        ldr     r4, .LCprocfns
-        mov     lr, pc
-        ldr     pc, [r4, #PROCESSOR_PABT_FUNC]
-#else
-        bl      CPU_PABORT_HANDLER
-#endif
+        pabt_helper
         debug_entry r1
         enable_irq                              @ Enable interrupts
         mov     r2, sp                          @ regs