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-rw-r--r--arch/m68k/kernel/entry.S40
-rw-r--r--arch/m68k/kernel/ints.c6
-rw-r--r--arch/m68k/kernel/setup_no.c2
-rw-r--r--arch/m68k/kernel/signal.c8
4 files changed, 13 insertions, 43 deletions
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index a78f5649e8de..b54ac7aba850 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -45,7 +45,7 @@
.globl system_call, buserr, trap, resume
.globl sys_call_table
.globl __sys_fork, __sys_clone, __sys_vfork
-.globl ret_from_interrupt, bad_interrupt
+.globl bad_interrupt
.globl auto_irqhandler_fixup
.globl user_irqvec_fixup
@@ -275,8 +275,6 @@ do_delayed_trace:
ENTRY(auto_inthandler)
SAVE_ALL_INT
GET_CURRENT(%d0)
- movel %d0,%a1
- addqb #1,%a1@(TINFO_PREEMPT+1)
| put exception # in d0
bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
subw #VEC_SPUR,%d0
@@ -286,32 +284,13 @@ ENTRY(auto_inthandler)
auto_irqhandler_fixup = . + 2
jsr do_IRQ | process the IRQ
addql #8,%sp | pop parameters off stack
-
-ret_from_interrupt:
- movel %curptr@(TASK_STACK),%a1
- subqb #1,%a1@(TINFO_PREEMPT+1)
- jeq ret_from_last_interrupt
-2: RESTORE_ALL
-
- ALIGN
-ret_from_last_interrupt:
- moveq #(~ALLOWINT>>8)&0xff,%d0
- andb %sp@(PT_OFF_SR),%d0
- jne 2b
-
- /* check if we need to do software interrupts */
- tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING
- jeq .Lret_from_exception
- pea ret_from_exception
- jra do_softirq
+ jra ret_from_exception
/* Handler for user defined interrupt vectors */
ENTRY(user_inthandler)
SAVE_ALL_INT
GET_CURRENT(%d0)
- movel %d0,%a1
- addqb #1,%a1@(TINFO_PREEMPT+1)
| put exception # in d0
bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
user_irqvec_fixup = . + 2
@@ -321,29 +300,18 @@ user_irqvec_fixup = . + 2
movel %d0,%sp@- | put vector # on stack
jsr do_IRQ | process the IRQ
addql #8,%sp | pop parameters off stack
-
- movel %curptr@(TASK_STACK),%a1
- subqb #1,%a1@(TINFO_PREEMPT+1)
- jeq ret_from_last_interrupt
- RESTORE_ALL
+ jra ret_from_exception
/* Handler for uninitialized and spurious interrupts */
ENTRY(bad_inthandler)
SAVE_ALL_INT
GET_CURRENT(%d0)
- movel %d0,%a1
- addqb #1,%a1@(TINFO_PREEMPT+1)
movel %sp,%sp@-
jsr handle_badint
addql #4,%sp
-
- movel %curptr@(TASK_STACK),%a1
- subqb #1,%a1@(TINFO_PREEMPT+1)
- jeq ret_from_last_interrupt
- RESTORE_ALL
-
+ jra ret_from_exception
resume:
/*
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 4d7da384eea0..077d3a70fed1 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -58,12 +58,6 @@ void __init init_IRQ(void)
{
int i;
- /* assembly irq entry code relies on this... */
- if (HARDIRQ_MASK != 0x00ff0000) {
- extern void hardirq_mask_is_broken(void);
- hardirq_mask_is_broken();
- }
-
for (i = IRQ_AUTO_1; i <= IRQ_AUTO_7; i++)
irq_set_chip_and_handler(i, &auto_irq_chip, handle_simple_irq);
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index 911ba472e6c4..5b16f5d61b44 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -118,7 +118,7 @@ void (*mach_power_off)(void);
*
* Returns:
*/
-void parse_uboot_commandline(char *commandp, int size)
+static void __init parse_uboot_commandline(char *commandp, int size)
{
extern unsigned long _init_sp;
unsigned long *sp;
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 2a16df3d9312..57fd286e4b0b 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -50,6 +50,7 @@
#include <asm/pgtable.h>
#include <asm/traps.h>
#include <asm/ucontext.h>
+#include <asm/cacheflush.h>
#ifdef CONFIG_MMU
@@ -181,6 +182,13 @@ static inline void push_cache (unsigned long vaddr)
asm volatile ("movec %0,%%caar\n\t"
"movec %1,%%cacr"
: : "r" (vaddr + 4), "r" (temp));
+ } else {
+ /* CPU_IS_COLDFIRE */
+#if defined(CONFIG_CACHE_COPYBACK)
+ flush_cf_dcache(0, DCACHE_MAX_ADDR);
+#endif
+ /* Invalidate instruction cache for the pushed bytes */
+ clear_cf_icache(vaddr, vaddr + 8);
}
}