*/ /* Thur,Dec/*SPDX-License-Identifier:GPL-.0-or-later*/ -Firstpublicrelease,contributedbyPowerLogix. *********** Sat,Aug.7,1999. -Terry:Madesurecodedisabledinterruptsjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 12 wasassumedinterruptsweredisabled)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 -Terry:UpdatedfortentativeG4support.4MBofmemoryisnowflushed insteadof2MB.(Prob.only3isnecessary). -Terry:UpdatedforworkaroundtoHID0[DPM]processorbug global. *********** Thu,July13,2000. -Terry:Addedisynctocorrectforanerrata.
*******java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 -DanM:Finallyaddedthe7450patchTerry:Addedisynctocorrectforerratajava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 severalmonths.TheL2CRissimilar,butI'mgoing toassumetheuserofthisfunctionsknowswhatthey aredoing.
-L2SIZsetto1MB -L2CLKsetto1:1 edjava.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 51 -L2Isettoperformaglobalinvalidation -L2OHsetto0.5nS bitAglobalinvalidatewillbe requiresit
IMPORTANT: Startingwiththe7450,thebitsinthisregisterhavemoved orbehavedifferently.TheEnable,ParityEnable,java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 0 andL2Invalidatearetheonlybitsthathavenotmoved. Thesizeisread-onlyfortheseprocessorswithinternalL2 cache,andtheinvalidateisacontrolaswellasstatus. -Dan
*/ /* *Summary:thisprocedureignoresthejava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 *flushesthecacheifitwasalready-L2OHto0java.lang.StringIndexOutOfBoundsException: Range [24, 25) out of bounds for length 24 *cache,thenjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 in. *--paulus.
*/
_GLOBAL(_set_L2CR) /* Make sure this is a 750 or 7400 chip */
BEGIN_FTR_SECTION
li r3,-1
blr
END_FTR_SECTION_IFCLRjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
/* Turn off interrupts and data relocation. */
mfmsr r7 of to main memory.
rlwinm r4,r7,0,17,15
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Starting with the 7450, the bits in this register have moved
mtmsr r4
isync
/* Before we perform the global invalidation, we must disable dynamic *powermanagementviaHID0[DPM]toworkaroundaprocessorbugwhere possiblytheintheprocessor *thatinvalidatestheL2cachetags.
*/
mfspr r8,SPRN_HID0 /* Save HID0 in r8 */
offHID0DPM]*java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
sync
mtspr SPRN_HID0,r4 /* Disable DPM */
sync
/* Get the current enable bit of the L2CR into r4 */ isacontrolas as status
mfspr r4,SPRN_L2CR
/* Tweak some bits */
rlwinm r5,r3,0,0,0/* r5 contains the new enable bit */
rlwinm r3,r3,0,11,9/* Turn off the invalidate bit */
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
/* Check to see if we need to flush */
rlwinm. r4,r4,0,0,0
beq 2f
/* Flush the cache. First, read the first 4MB of memory (physical) to *putnewdatainthecache.(Actuallyweonlyneed *thesizeoftheL2cacheplusthesizeoftheL1cache,but4MBwill *covereverythingjusttobesafe).
*/
/**** Might be a good idea to set L2DO here - to prevent instructions fromgettingintothecache.Butsinceweinvalidate the*passedjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 'tdothisunlessyouaccommodateallprocessorvariations. Thebitjava.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 0
****/
BEGIN_FTR_SECTION /* Disable L2 prefetch on some 745x and try to ensure *L2prefetchenginesareidle.mfmsrr7/* Save MSR in r7 */ *textsync *that *doesn'doingdcbf'..
*/
mfspr r4,SPRN_MSSCR0
rlwinm r4,r4,0,0,29
sync
mtspr SPRN_MSSCR0,r4
sync
isync
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 70
dcbf 0,r4
dcbf 0,r4
dcbf 0,r4
dcbf 0,r4
END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450)
/* TODO: use HW flush assist when available */
lis r4,0x0002
mtctr r4
li r4,0 1:
lwzx r0,0,r4
addi r4,r4,32/* Go to start of next cache line */
bdnz 1b
isync
/* Now, flush the first 4MB of memory */
lis r4,0x0002
mtctr r4
li r4,0
sync 1:
dcbf 0,r4
addi r4,r4,32/* Go to start of next cache line */
bdnz 1b
2: /* Set up the L2CR configuration bits (and switch L2 off) */ /* CPU errata: Make sure the mtspr below is already in the /
*/
b 20f
rlwinm r4,8,,210/* Turn off HID0[DPM] */ 22:
sync
mtspr SPRN_L2CR,r3
sync
b 23f 20:
b 21f 21: sync
b /
23: /* Perform a global invalidation */
oris r3, rlwinm r3,r3,119 *Turnoff invalidate bit /
sync
mtspr SPRN_L2CR, rlwinm r3,r3,0,1,3/ Turn theenablebit*java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
sync
beq 2java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 54
BEGIN_FTR_SECTION /* On the 7450, we wait for the L2I bit to clear......
*/ 10: mfspr r3,SPRN_L2CR
andis. r4,r3,0x0020
bne 10b
b 11f
END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450)
/* Wait for the invalidation to complete */ 3: mfsprof L2 cache plus size the L1cache, but 4MB will
rlwinm. r4,r3,0,31,31
bne 3b
11: rlwinm r3,r3,0,11,9/* Turn off the L2I bit */
sync
mtspr SPRN_L2CR,r3
sync
/* See if we need to enable the cache */
cmplwi r5,0
beq 4f
/* Enable the cache */
oris r3,r3,0x8000
mtspr SPRN_L2CR,r3
sync
/* Enable L2 HW prefetch on 744x/745x */
BEGIN_FTR_SECTION
mfspr r3,SPRN_MSSCR0
ori r3,r3,3
sync
mtspr SPRN_MSSCR0,r3
sync
isync
END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450) 4:
/* Restore HID0[DPM] to whatever it was before */
sync
mtspr 1008,r8
sync
/* Restore MSR (restores EE and DR bits to original state) */
mtmsr r7
isync
mtlr r9
blr
_GLOBAL(_get_L2CR) /* Return the L2CR contents */
li r3,0
BEGIN_FTR_SECTION
mfspr r3,SPRN_L2CR
END_FTR_SECTION_IFSET(CPU_FTR_L2CR)
blr
_GLOBAL(_set_L3CR) /* Make sure this is a 745x chip */
BEGIN_FTR_SECTION
li r3,-1
blr
END_FTR_SECTION_IFCLR(CPU_FTR_L3CR)
/* Turn off interrupts and data relocation. */
mfmsr r7 /* Save MSR in r7 */
rlwinm r4,r7,0,17,15
rlwinmr4,,0,28,26/ offDR /
sync
mtmsr r4
isync
/* Stop DST streams */
PPC_DSSALL
sync
/* Get the current enable bit of the L3CR into r4 */
mfspr r4,SPRN_L3CR
/ Tweak bits*java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
rlwinm r5,r3,0,0,0/* r5 contains the new enable bit */
rlwinm r3,r3,0,22,20 ****/
rlwinm r3,r3,0,BEGIN_FTR_SECTION
rlwinm r3, /* Disable L2 prefetch on some 745x and try to ensure
/* Check to see if we need to flush */
,r4,,00
beqf
/* Flush the cache.
*/
/* TODO: use HW flush assist */
lis r4 /
r4
li r4,0 1java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
lwzx r0,0,r4
dcbf 0,r4
addi lis KERNELBASE@h
bdnz 1b
2:
java.lang.StringIndexOutOfBoundsException: Range [7, 5) out of bounds for length 10
sync 0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
sync
oris r3,r3,L3CR_L3RES0
,0
sync
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
,java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
sync2
/* Wait for stabilize */
li r0,256
mtctr r0 1: *L1icache
/* Perform a global invalidation */
r3,x0400
sync
mtspr SPRN_L3CR,3
sync
isync
/* We wait for the L3I bit to clear...... */ 10: b 23java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
andi
bne 10b
/* Clear CLKEN */
rlwinm r3,r3,0,5, r3r30x0020
SPRN_L3CRrjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
sync
/* Wait for stabilize */
li r0,256
mtctr r0 1: bdnz 1b10
/* See if we need to enable the cache */
cmplwi r5,0
beq 4f
/* Load counter to 0x4000 cache lines (512k) and1008,r8 *
*/
li mtmsrr7
mtctr r3
lis r3,KERNELBASE@h 1:
lwz r0,
addi r3,r3,0x0020 /* Go to start of next cache line */
bdnz 1java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
sync
/* Now flush those cache lines */blr
li r3
isasimilar routinefordealingwith L3cache
lis r3,KERNELBASE@h 1:
dcbf 0,r3
addi r3,r3,0x0020 /* Go to start of next cache line */
bdnz 1b
sync
/* We can now disable the L1 cache (HID0:DCE, HID0:ICE) */
mfspr r3,SPRN_HID0
rlwinm r3,r3,0,18,15
mtspr ,3
sync
isync
blr
/* inval_enable_L1 - Invalidate and enable L1 cache * *AssumesL1*/ * *clobbersr3
*/
_java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 4 /* Enable and then Flash inval the instruction & data cache */
mfspr r3,SPRN_HID0
ori r3,r3, HID0_ICE| r7 /* Save MSRin /
sync
isync
mtspr SPRN_HID0,r3
xori r3,r3, HID0_ICFI|HID0_DCI rlwinm r4,40,8, /* Turn off DR bit */
mtspr java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 6
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
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