ARM: entry: prefetch/data abort helpers: convert to macros
authorRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 26 Jun 2011 09:22:08 +0000 (10:22 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 29 Jun 2011 09:03:02 +0000 (10:03 +0100)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/entry-armv.S

index 90c62cd51ca9ffc891f7c95336b1c2017097d512..dbe9eb88d550b8ecb057beff495c17b24bcfcc12 100644 (file)
 9997:
        .endm
 
 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
 #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
 
        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
 
        @
        @ 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
 
        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
        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
 __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
 
        @
        @ IRQs on, then call the main handler
@@ -682,15 +675,7 @@ ENDPROC(__und_usr_unknown)
        .align  5
 __pabt_usr:
        usr_entry
        .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
        debug_entry r1
        enable_irq                              @ Enable interrupts
        mov     r2, sp                          @ regs