diff options
Diffstat (limited to 'arch/m68k/kernel')
-rw-r--r-- | arch/m68k/kernel/entry.S | 40 | ||||
-rw-r--r-- | arch/m68k/kernel/ints.c | 6 | ||||
-rw-r--r-- | arch/m68k/kernel/setup_no.c | 2 | ||||
-rw-r--r-- | arch/m68k/kernel/signal.c | 8 |
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); } } |