Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index bb96a7d4bbf55464a4069830657334e23fa72449..2b46fea36c9fa30ab41c3747686d40eb2f64e67f 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -25,42 +25,22 @@
 #include <asm/tls.h>
 
 #include "entry-header.S"
+#include <asm/entry-macro-multi.S>
 
 /*
  * Interrupt handling.  Preserves r7, r8, r9
  */
        .macro  irq_handler
-       get_irqnr_preamble r5, lr
-1:     get_irqnr_and_base r0, r6, r5, lr
-       movne   r1, sp
-       @
-       @ routine called with r0 = irq number, r1 = struct pt_regs *
-       @
-       adrne   lr, BSYM(1b)
-       bne     asm_do_IRQ
-
-#ifdef CONFIG_SMP
-       /*
-        * XXX
-        *
-        * this macro assumes that irqstat (r6) and base (r5) are
-        * preserved from get_irqnr_and_base above
-        */
-       ALT_SMP(test_for_ipi r0, r6, r5, lr)
-       ALT_UP_B(9997f)
-       movne   r0, sp
-       adrne   lr, BSYM(1b)
-       bne     do_IPI
-
-#ifdef CONFIG_LOCAL_TIMERS
-       test_for_ltirq r0, r6, r5, lr
-       movne   r0, sp
-       adrne   lr, BSYM(1b)
-       bne     do_local_timer
+#ifdef CONFIG_MULTI_IRQ_HANDLER
+       ldr     r5, =handle_arch_irq
+       mov     r0, sp
+       ldr     r5, [r5]
+       adr     lr, BSYM(9997f)
+       teq     r5, #0
+       movne   pc, r5
 #endif
+       arch_irq_handler_default
 9997:
-#endif
-
        .endm
 
 #ifdef CONFIG_KPROBES
@@ -198,6 +178,7 @@ __dabt_svc:
        @
        @ set desired IRQ state, then call main handler
        @
+       debug_entry r1
        msr     cpsr_c, r9
        mov     r2, sp
        bl      do_DataAbort
@@ -324,6 +305,7 @@ __pabt_svc:
 #else
        bl      CPU_PABORT_HANDLER
 #endif
+       debug_entry r1
        msr     cpsr_c, r9                      @ Maybe enable interrupts
        mov     r2, sp                          @ regs
        bl      do_PrefetchAbort                @ call abort handler
@@ -439,6 +421,7 @@ __dabt_usr:
        @
        @ IRQs on, then call the main handler
        @
+       debug_entry r1
        enable_irq
        mov     r2, sp
        adr     lr, BSYM(ret_from_exception)
@@ -703,6 +686,7 @@ __pabt_usr:
 #else
        bl      CPU_PABORT_HANDLER
 #endif
+       debug_entry r1
        enable_irq                              @ Enable interrupts
        mov     r2, sp                          @ regs
        bl      do_PrefetchAbort                @ call abort handler
@@ -735,7 +719,7 @@ ENTRY(__switch_to)
  THUMB(        stmia   ip!, {r4 - sl, fp}         )    @ Store most regs on stack
  THUMB(        str     sp, [ip], #4               )
  THUMB(        str     lr, [ip], #4               )
-#ifdef CONFIG_MMU
+#ifdef CONFIG_CPU_USE_DOMAINS
        ldr     r6, [r2, #TI_CPU_DOMAIN]
 #endif
        set_tls r3, r4, r5
@@ -744,7 +728,7 @@ ENTRY(__switch_to)
        ldr     r8, =__stack_chk_guard
        ldr     r7, [r7, #TSK_STACK_CANARY]
 #endif
-#ifdef CONFIG_MMU
+#ifdef CONFIG_CPU_USE_DOMAINS
        mcr     p15, 0, r6, c3, c0, 0           @ Set domain register
 #endif
        mov     r5, r0
@@ -842,7 +826,7 @@ __kuser_helper_start:
  */
 
 __kuser_memory_barrier:                                @ 0xffff0fa0
-       smp_dmb
+       smp_dmb arm
        usr_ret lr
 
        .align  5
@@ -959,7 +943,7 @@ kuser_cmpxchg_fixup:
 
 #else
 
-       smp_dmb
+       smp_dmb arm
 1:     ldrex   r3, [r2]
        subs    r3, r3, r0
        strexeq r3, r1, [r2]
@@ -1245,3 +1229,9 @@ cr_alignment:
        .space  4
 cr_no_alignment:
        .space  4
+
+#ifdef CONFIG_MULTI_IRQ_HANDLER
+       .globl  handle_arch_irq
+handle_arch_irq:
+       .space  4
+#endif