diff options
Diffstat (limited to 'arch/powerpc/kernel/head_fsl_booke.S')
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 70 |
1 files changed, 38 insertions, 32 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 3f4a40cccef5..a1a5c3f10dc4 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -113,7 +113,7 @@ _ENTRY(_start); 1: /* - * We have the runtime (virutal) address of our base. + * We have the runtime (virtual) address of our base. * We calculate our shift of offset from a 64M page. * We could map the 64M page we belong to at PAGE_OFFSET and * get going from there. @@ -363,23 +363,26 @@ interrupt_base: /* Data Storage Interrupt */ START_EXCEPTION(DataStorage) - NORMAL_EXCEPTION_PROLOG(DATA_STORAGE) + NORMAL_EXCEPTION_PROLOG(0x300, DATA_STORAGE) mfspr r5,SPRN_ESR /* Grab the ESR, save it */ stw r5,_ESR(r11) mfspr r4,SPRN_DEAR /* Grab the DEAR, save it */ stw r4, _DEAR(r11) andis. r10,r5,(ESR_ILK|ESR_DLK)@h bne 1f - EXC_XFER_LITE(0x0300, handle_page_fault) + prepare_transfer_to_handler + bl do_page_fault + b interrupt_return 1: - addi r3,r1,STACK_FRAME_OVERHEAD - EXC_XFER_LITE(0x0300, CacheLockingException) + prepare_transfer_to_handler + bl CacheLockingException + b interrupt_return /* Instruction Storage Interrupt */ INSTRUCTION_STORAGE_EXCEPTION /* External Input Interrupt */ - EXCEPTION(0x0500, EXTERNAL, ExternalInput, do_IRQ, EXC_XFER_LITE) + EXCEPTION(0x0500, EXTERNAL, ExternalInput, do_IRQ) /* Alignment Interrupt */ ALIGNMENT_EXCEPTION @@ -391,8 +394,7 @@ interrupt_base: #ifdef CONFIG_PPC_FPU FP_UNAVAILABLE_EXCEPTION #else - EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, \ - unknown_exception, EXC_XFER_STD) + EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, unknown_exception) #endif /* System Call Interrupt */ @@ -400,16 +402,14 @@ interrupt_base: SYSCALL_ENTRY 0xc00 BOOKE_INTERRUPT_SYSCALL SPRN_SRR1 /* Auxiliary Processor Unavailable Interrupt */ - EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, \ - unknown_exception, EXC_XFER_STD) + EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, unknown_exception) /* Decrementer Interrupt */ DECREMENTER_EXCEPTION /* Fixed Internal Timer Interrupt */ /* TODO: Add FIT support */ - EXCEPTION(0x3100, FIT, FixedIntervalTimer, \ - unknown_exception, EXC_XFER_STD) + EXCEPTION(0x3100, FIT, FixedIntervalTimer, unknown_exception) /* Watchdog Timer Interrupt */ #ifdef CONFIG_BOOKE_WDT @@ -497,7 +497,7 @@ END_BTB_FLUSH_SECTION #endif #endif - bne 2f /* Bail if permission/valid mismach */ + bne 2f /* Bail if permission/valid mismatch */ /* Jump to common tlb load */ b finish_tlb_load @@ -592,7 +592,7 @@ END_BTB_FLUSH_SECTION #endif #endif - bne 2f /* Bail if permission mismach */ + bne 2f /* Bail if permission mismatch */ /* Jump to common TLB load point */ b finish_tlb_load @@ -614,38 +614,44 @@ END_BTB_FLUSH_SECTION #ifdef CONFIG_SPE /* SPE Unavailable */ START_EXCEPTION(SPEUnavailable) - NORMAL_EXCEPTION_PROLOG(SPE_UNAVAIL) + NORMAL_EXCEPTION_PROLOG(0x2010, SPE_UNAVAIL) beq 1f bl load_up_spe b fast_exception_return -1: addi r3,r1,STACK_FRAME_OVERHEAD - EXC_XFER_LITE(0x2010, KernelSPE) +1: prepare_transfer_to_handler + bl KernelSPE + b interrupt_return #elif defined(CONFIG_SPE_POSSIBLE) - EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, \ - unknown_exception, EXC_XFER_STD) + EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, unknown_exception) #endif /* CONFIG_SPE_POSSIBLE */ /* SPE Floating Point Data */ #ifdef CONFIG_SPE - EXCEPTION(0x2030, SPE_FP_DATA, SPEFloatingPointData, - SPEFloatingPointException, EXC_XFER_STD) + START_EXCEPTION(SPEFloatingPointData) + NORMAL_EXCEPTION_PROLOG(0x2030, SPE_FP_DATA) + prepare_transfer_to_handler + bl SPEFloatingPointException + REST_NVGPRS(r1) + b interrupt_return /* SPE Floating Point Round */ - EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, \ - SPEFloatingPointRoundException, EXC_XFER_STD) + START_EXCEPTION(SPEFloatingPointRound) + NORMAL_EXCEPTION_PROLOG(0x2050, SPE_FP_ROUND) + prepare_transfer_to_handler + bl SPEFloatingPointRoundException + REST_NVGPRS(r1) + b interrupt_return #elif defined(CONFIG_SPE_POSSIBLE) - EXCEPTION(0x2040, SPE_FP_DATA, SPEFloatingPointData, - unknown_exception, EXC_XFER_STD) - EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, \ - unknown_exception, EXC_XFER_STD) + EXCEPTION(0x2040, SPE_FP_DATA, SPEFloatingPointData, unknown_exception) + EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, unknown_exception) #endif /* CONFIG_SPE_POSSIBLE */ /* Performance Monitor */ EXCEPTION(0x2060, PERFORMANCE_MONITOR, PerformanceMonitor, \ - performance_monitor_exception, EXC_XFER_STD) + performance_monitor_exception) - EXCEPTION(0x2070, DOORBELL, Doorbell, doorbell_exception, EXC_XFER_STD) + EXCEPTION(0x2070, DOORBELL, Doorbell, doorbell_exception) CRITICAL_EXCEPTION(0x2080, DOORBELL_CRITICAL, \ CriticalDoorbell, unknown_exception) @@ -660,10 +666,10 @@ END_BTB_FLUSH_SECTION unknown_exception) /* Hypercall */ - EXCEPTION(0, HV_SYSCALL, Hypercall, unknown_exception, EXC_XFER_STD) + EXCEPTION(0, HV_SYSCALL, Hypercall, unknown_exception) /* Embedded Hypervisor Privilege */ - EXCEPTION(0, HV_PRIV, Ehvpriv, unknown_exception, EXC_XFER_STD) + EXCEPTION(0, HV_PRIV, Ehvpriv, unknown_exception) interrupt_end: @@ -854,7 +860,7 @@ KernelSPE: lwz r5,_NIP(r1) bl printk #endif - b ret_from_except + b interrupt_return #ifdef CONFIG_PRINTK 87: .string "SPE used in kernel (task=%p, pc=%x) \n" #endif |