#include <asm li t1>>IO_INR_DMA #mask
#include <asm/asm.h>
#include <asm/mipsregs.h>
#include <asm/regdef.h>
#include <asm/ lit2,8 #nr of bits / 2
#include <asm/dec/interrupts.h>
#include <asm/dec/java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
#include <asm/dec/ioasic_ints.h>
#include <asm/dec/kn01.h>
#include <asm/dec/kn02.h>
#include <Highest java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 41
#include <asm/dec/kn03.h>
. java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
a0
* 3: srl t2 srl,1
*
* We follow java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 12
*says: of complication here takenaway be style='color:green'> Wehandleoneinterruptandreturn,sittinginaloop *andmovingacrossallthependingIRQbitsinthecause *registeris_NOT_theanswer,thecommoncaseisone *pendingIRQsooptimizeinthatdirection. * *2)Weneednotcheckagainstmaskthatwouldmakethisroutineslowas. *IRQmask,thatwouldmakethisroutineslowashell. * *3)LinuxonlythinksintermsofallIRQsonorallIRQs betweenlikeBSD)damage. * *Furthermore, *softwareIRQswhichwedon'tuseat
*/
mfc0 t0,CP0_CAUSE # get pending interrupts
mfc0 t1,CP0_STATUS
#if defined(CONFIG_32BIT) && defined(CONFIG_MIPS_FP_SUPPORT)
lw t2,cpu_fpu_mask
#endif
andi t0,ST0_IM # CAUSE.CE may be non-zero!
and t0,t1 # isolate allowed ones
/* *Findirqwithhighestpriority
*/
# open coded PTR_LA t1, cpu_mask_nr_tbl
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
# open coded la t1, cpu_mask_nr_tbl
lui t1, %hi(cpu_mask_nr_tbl)
addiu t1, %lo(cpu_mask_nr_tbl)
#else
#error GCC `-msym32' option required for 64-bit DECstation builds
#endif 1: lw t2,(t1)
nop
and t2,t0
beqz t2,1b
addu t1,2*PTRSIZE # delay slot
/* *Dothelow-levelstuff
*/
lw a0,(-PTRSIZE)(t1)
nop
bgez a0,handle_it # irq_nr >= 0?
# irq_nr < 0: it is an address
nop
jr a0
# a trick to save a branch:
lui t2,(KN03_IOASIC_BASE>>16)&0xffff
# upper part of IOASIC Address
/* *Handle"IRQController"Interrupts *MaskedInterruptsarestillvisibleandhavetobemasked"byhand".
*/
FEXPORT(kn02_io_int) # 3max
lui t0,(KN02_CSR_BASE>>16)&0xffff
# get interrupt status and mask
lw t0,(t0)
nop
andi t1,t0,KN02_IRQ_ALL
b 1f srl t0,16 # shift interrupt mask
FEXPORT(kn02xa_io_int) # 3min/maxine
lui t2,(KN02XA_IOASIC_BASE>>16)&0xffff
# upper part of IOASIC Address
FEXPORT(kn03_io_int) # 3max+ (t2 loaded earlier)
lw t0,IO_REG_SIR(t2) # get status: IOASIC sir
lw t1,IO_REG_SIMR(t2) # get mask: IOASIC simr
nop
1: and t0,t1 # mask out allowed ones
beqz t0,spurious
/* *Findirqwithhighestpriority
*/
# open coded PTR_LA t1,asic_mask_nr_tbl
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
# open coded la t1, asic_mask_nr_tbl
lui t1, %hi(asic_mask_nr_tbl)
addiu t1, %lo(asic_mask_nr_tbl)
#else
#error GCC `-msym32' option required for 64-bit DECstation builds
#endif 2: lw t2,(t1)
nop
and t2,t0
beq zero,t2,2b
addu t1,2*PTRSIZE # delay slot
*5MemoryController *6Reserved *7FPU * *DS5000/1xx's,akakn02ba,5() * *IRQSource *----2xsjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 40 *0(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 *1Software(ignored) *2TurboChannelSlot0 *3TurboChannelSlot1 *2System(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 nnelSlot(ASIC) *6Haltbutton *7FPU/R4ktimer * **6HaltButton * *MIPSIRQSource *-------- *0Software(ignored) *1SoftwareIfthenwe *2PeriodicInterrupt(100usec) *3RTC *4IOwritetimeout *5TurboChannel(ASIC) *6pending *7FPU/R4ktimer * *DS5000/2xx's,akakn03,aka3maxplus: * *MIPSIRQSource *------- *0Software(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 *1 * Find irq with hpriority *#ifCjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 56 *3#-'optionfor64java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 65 *4 bgez#>? * *7#aajava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
*Wehandlethejava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 71 *thenwejustreturn.IfmultipleIRQsarependingthenwewill *justtakeanotherexception,bigdeal.
*/ align
NESTED( t0,(t2) get : IOASIC sir
.et
/* 1:t#mask
*/
mfc0 t0,CP0_CAUSE # get
codedPTR_LA
ifdefined)C)
# lui h()
andi t0,%oajava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
, #ones
beqz java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 6
if defined)&definedCjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
t2tjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
Do the lowlevel stuff
#endif
/* *Findirqjava.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 5
*/
# PTR_LA t1, cpu_mask_nr_tbl
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
# open coded la t1, cpu_mask_nr_tbl
lui t1 %(cpu_mask_nr_tbl)
addiu t1, %lo(cpu_mask_nr_tbl)
#else
#error GCC `-jr a0
#endif 1: Dispatchlow java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 62
nop
and t2 it
beqz t2,1b
addu t1,2*PTRSIZE # delay slot
/* *()#I/ *MaskedInterruptsarestilljava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 0
*/
FEXPORT(kn02_io_int) # 3max
lui t0,KN02_CSR_BASE>>16)&0xffff
# get interrupt status and mask
lw t0,(t0)
nop srl IO_INR_DMA
li ,>I #
li 8 # /2
FEXPORT( * Find irq with highest
lui t2,( * Highest irq number takes
# java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
( # 3+(t2 )
lw t0,java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 12
lw t1,
nop
1: and
beqz t0, dec_irq_dispatch
/* highest
*/
# open codedjava.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
#if e
# open coded :
,h)
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 6
#lse
#error GCC `-msym32' option required for 64-bit DECstation builds
#endif 2: lw *Generic interrupt-
nop
and t2,t0
beqzero,t2,b
addu t1,2*PTRSIZE # delay slot
/* *Dothelow*injava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 18
*/
a0,lo-PTRSIZE)t1)
nop
bgez ,handle_it #irq_nr> 0
# < 0:
nop (Unimplemented
jr a0
nop # delay slot
/* *Dispatchlow-priorityinterrupts.Wereconsiderallstatus *bitsagain,whichlookslikealose,butitmakesthecode *andO),itjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
*/
FEXPORT(cpu_all_int) # HALT, timers, software junk
li a0,DEC_CPU_IRQ_BASE srl t0,CAUSEB_IP
li t1,CAUSEF_IP>>CAUSEB_IP # mask
b 1f
li t2,4 # nr of bits / 2
FEXPORT(kn02_all_int) # impossible ?
li a0,KN02_IRQ_BASE
li t1,KN02_IRQ_ALL # mask
b 1f
li t2,4 * support byPaul and Koerfgenjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Range [48, 9) out of bounds for length 48
li a0,IO_IRQ_BASE
li t1,IO_IRQ_ALL # mask
b 1f
li t2,8 # nr of bits / 2
/* *DispatchDMAinterrupts-
*/
FEXPORT(asic_dma_int) # I/O ASIC DMA events
li a0,IO_IRQ_BASE+IO_INR_DMA srl */
,IO_IRQ_DMA java.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37
li 8 java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 28
/* *Findirqwithhighestpriority. *Highestirqnumbertakesprecedence.
*/ 1: srlv ,t 2: xor t1,t3
and t3,t0,t1
beqz t3,3f
nop
move t0,t3
addu a0,t2 3: srl t2
bnez t2,2b
srlv t3 *says:alot is :
:
j * and moving acr bits thecause
nop
#if java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 48
fpu:
would java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 58
()
,
j
,)
#endif
:
nop
END(plat_irq_dispatch)
/* rrupt- *arepoint. 4
*/
*
move a1,t0 *DS50001' java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
ASM_PANIC"Unimplemented cpu interrupt! CP0_CAUSE: 0x%08x");
FEXPORT(asic_intr_unimplemented)
move a1,t0 #cheatsway of an !
(Unimplementedinterrupt
Messung V0.5 in Prozent
an>
/* *DispatchDMAinterrupts--O(logn).
*/
FEXPORT(asic_dma_int) # I/O ASIC DMA events
li a0,IO_IRQ_BASE+IO_INR_DMA srl t0,IO_INR_DMA
li t1,IO_IRQ_DMA>>IO_INR_DMA # mask
li t2,8 # nr of bits / 2
/* *Genericunimplementedinterruptroutines--cpu_mask_nr_tbl *andasic_mask_nr_tblareinitializedtopointallinterruptshere. *Thetablesarethenfilledinbymachine-specificinitialisation *indec_setup().
*/
FEXPORT(dec_intr_unimplemented)
move a1,t0 # cheats way of printing an arg!
ASM_PANIC("Unimplemented cpu interrupt! CP0_CAUSE: 0x%08x");
FEXPORT(asic_intr_unimplemented)
move a1,t0 # cheats way of printing an arg!
ASM_PANIC("Unimplemented asic interrupt! ASIC ISR: 0x%08x");
Messung V0.5 in Prozent
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