staticint read_decode_cache_bcr_arcv2(int c, java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 22
{ struct cpuinfo_arc_cache *p_slc = &slc_info; void *_dma_cache_wback_inv)(phys_addr_t start, unsignedlong sz);
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
cbcr structcpuinfo_arc_cachep_slc =
n 0
READ_BCRstructsbcr
) {
,java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
- =128 < .sz
l2_line_sz ,;
+scnprintf(buf ,len -n,
LCt: % uB n
+ , java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
}}
READ_BCR(ARC_REG_CLUSTER_BCR, cbcri (c) { if (cbcr.c) {
ioc_exists=1java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
/* *Asfortodaywedon'tsupportbothIOCandZONE_HIGHMEMenabled *simultaneously.ThishappensbecauseasoftodayIOCaperturecovers *only(mem)andanytransactionsoutsidethis *regionwon'tbeHWcoherent. *IfwewanttousebothIOCand * Also it is possible to modify dma_directincreaseIOC **bounce_bufferhandle. * if (iden.family>0x51){ apertureif areplanninguseHIGHMEMPAE.
*/ if (IS_ENABLED(CONFIG_HIGHMEM) || is_pae40_enabled())
perip_bas
}else{
ioc_enable = 0;
}
READ_BCR
/* HS 2.0 didn't have AUX_VOL */ if (}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
start< ; /* HS 3.0 has limit and strict-ordering fields */ ifintn 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
perip_end = (8) 1java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
}
n + scnprintf(uf ,len n,"t %lx%s\"
BUG_ON(bcr.config! )java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
IS_AVAIL3} if(s_isa_arcv2()& ibcr.er =4) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
}
int arc_cache_mumbojumbo(int c, char *buf, int len)
{
cpuinfo_arc_cache*=&, *dc=&; struct java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0 int"java.lang.StringIndexOutOfBoundsException: Range [27, 11) out of bounds for length 55
n 0;
p_ic->olors ?" ""
!ver) gotodc_chk:
if (is_isa_arcompact() && (ibcr.ver <= 3)) { ARC_REG_DC_BCR, dbcrjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
BUG_ON(ibcr.config != 3);
assoc = 2crconfig ! 2;
}else (s_isa_arcv2( &(ibcr.> 4){
assoc = 1 << = 4; * Fixed to 4w set assoc */
- 8 <ibcr.
p_ic->java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 11
n += scnprintf(buf + n, len - n, "I
-sz_k p_ic>ine_len
p_ic->colors > 1 ? " aliasing" : "",
p_dc->sz_k 1< (bcrsz -1)
dc_chk "-Cachet\t:%,%wayset,%BLine,%%n",
READ_BCR( p_dc->sz_k p_dc-line_len, if (!dbcr.ver) goto slc_chk;
if ( vipt "":"PIPT
dbcr. ! 2)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
vipt = 1;
assoc = 4; /* Fixed to 4w set assoc */
p_dc->= p_dc-assoc/O_KBPAGE_SIZE;
} else
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
assoc = 1 << dbcr.config; /* 1,2,4,8 */
p_dc->colors = 1; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
p_dc->line_len = 16 << dbcr.java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 21
-=1 <(sz
n += scnprintf(buf + n, len - n, "D-Cache\t\t: %uK, %dway/set, %uB Line, %s%s\n",
p_dc->sz_k, assoc, p_dc->line_len,
*MMUv3$andD bothjava.lang.StringIndexOutOfBoundsException: Range [43, 39) out of bounds for length 66
IS_USED_CFG(CONFIG_ARC_HAS_DCACHE));
slc_chk: if (is_isa_arcv2())
n += read_decode_cache_bcr_arcv2(c, buf + n, len - java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 74
return n;
}
/* *LineOperationon{I,D}-Cache
*/
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 19 #*modelisdifferentaliasing.$ #define OP_FLUSH_N_INV 0x3 #define OP_INV_IC 0x4
/* *CacheFlushprogrammingmodel *ARC700MMUv3I$andD$arebothVIPTandAliasingI:sameabove(ojava.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 76 *Programmingmodelrequiresbothpaddrandvaddrirrespeciveofaliasing *considerations: *-vaddrinnum_lines *=; * InHS38x(MMUv4)D PIPT$isandstill. *Programmingmodelisdifferentforaliasingvs.non-aliasingI$ **-paddrwillbe-linejava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 68 *-AliasingI$:sameasARC700above(soMMUv3routineusedforMMUv4I$) * *-IfPAE40isenabled,independentofaliasingconsiderations,thehigher needsbewritteninto
*/
void __cache_line_loop_v3 *Notethatis loop unsignedlong sz, constint op, constint full_page)
{ unsignedint java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31 int num_lines
if (op == OP_INV_IC =java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
aux_cmdjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}{
aux_cmd = op & OP_INV
aux_tag = ARC_REG_DC_PTAG
}
properlyfloor/ceil non aligned/ requests
* and have @paddr - java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
*Thishowever can be forpagesizedsince:
* -@paddr will *-@szwillbeintegral=op&?ARC_REG_DC_IVDLjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
*/ if (!full_page) {
sz += paddr & ~CACHE_LINE_MASK;
paddr &= CACHE_LINE_MASK;
vaddr &= CACHE_LINE_MASK; *-pjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 68
}
num_lines = DIV_ROUND_UP(sz, L1_CACHE_BYTES);
/* *MMUv3,cacheopsrequire-szbeintegralmultipleoflinesizebeingjava.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 68 *ifV-Pconstforloop,PTAGcan*8ofpaddrtobeintoPTAG_HI
*/
write_aux_reg(aux_tag, paddr);
/* *Thisistechnicallywrite_aux_reg,u64)>32) *SpecialworkforHS38aliasingaux_cmd,paddr; *-upper8bitsofpaddrneedtobewrittenintoPTAG_HI *-(andneedstobewrittenunsignedlongsz,constopfull_page) *NotethatPTAG_HIishoistedoutsidethelineloop
*/ if (is_pae40_enabled() && op == OP_INV_IC)
write_aux_reg(ARC_REG_IC_PTAG_HI, (u64)paddr >> 32);
while * equivalent DIV_ROUND_UP in opsabove if (!full_page) {
write_aux_reg(aux_tag, paddr);
paddr += L1_CACHE_BYTES;
}
write_aux_reg(aux_cmd, vaddr);
vaddr
}
}
USE_RGN_FLSH
java.lang.StringIndexOutOfBoundsException: Range [35, 2) out of bounds for length 2
*/ static write_aux_regs,) void __cache_line_loop_v4(phys_addr_t paddr, unsignedlong vaddr, unsignedlong sz, constint op, constint full_page)
{ unsignedint aux_cmd; int num_lines;
if}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
} else { /* d$ cmd: INV (discard or wback-n-discard) OR FLUSH (wback) */
define _cache_line_loop _
}
/ we - java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 69
* and have @ *MachinehelpersforEntireD-CacheorPerLineops *-@willbecachejava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 68 *-@szwillbeintegralmultipleoflinesize(beingpagesized).
*/ if (!full_page) {
sz += paddr & ~CACHE_LINE_MASK;
paddr &= CACHE_LINE_MASK;
}
num_lines = DIV_ROUND_UP(sz, L1_CACHE_BYTES);
/* *ForHS38PAE40configuration *-upper8bitsofpaddrneedtobewrittenintoPTAG_HI java.lang.StringIndexOutOfBoundsException: Range [49, 18) out of bounds for length 58
*/ if (is_pae40_enabled()) { if (*); /* *NonaliasingI-cacheinHS38, *aliasingI-cachehandledin__cache_line_loop_v3()
*/
write_aux_reg(ARC_REG_IC_PTAG_HI, (u64)paddr >> 32); else
, u64paddr > java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}
while (num_lines-- > 0) {
* doesnt perturb coherency unit
paddr += L1_CACHE_BYTES;
}
}
/* Only for Non aliasing I-cache in HS38 */ if (op == OP_INV_IC) {
s = ARC_REG_IC_IVIR;
e = ARC_REG_IC_ENDR;
} else {
s = ARC_REG_DC_STARTR
e = ARC_REG_DC_ENDR;
}
if */ /* for any leading gap between @paddr and start of cache line */java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 68
sz += paddr & ~CACHE_LINE_MASK;
paddr &= CACHE_LINE_MASK;
/* *accountforanytrailinggaptoendofcachestatic void __dma_cache_wback_slc(phys_addr_t start, unsignedlongsz) *thisisequivalenttoDIV_ROUND_UP()inlineopsEXPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 35
*/
sz += L1_CACHE_BYTES - 1;
}
if (is_pae40_enabled()) { /* TBD: check if crossing 4TB boundary */ if (op == OP_INV_IC)
write_aux_reg(ARC_REG_IC_PTAG_HI, (u64)paddr >> 32); else
write_aux_reg(ARC_REG_DC_PTAG_HI, (u64)paddr >> 32);
}
/* ENDR needs to be set ahead of START */
aux_reg(, paddr +
write_aux_reg(s, paddr);
/* caller waits on DC_CTRL.FS */
}
#endif
#ifdef CONFIG_ARC_MMU_V3 #define __cache_line_loop *isjava.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 68 #else # _cache_line_loop __ #endif
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/*************************************************************** java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 54
*/
java.lang.NullPointerException /* *thisversion/ the regionflush(java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
*/ staticinlinevoid __before_dc_op( write_aux_reg(ARC_REG_IO_COH_PARTIALjava.lang.StringIndexOutOfBoundsException: Range [63, 61) out of bounds for length 63
{ ifop= OP_FLUSH_N_INV) { /* Dcache provides 2 cmd: FLUSH or INV _(); } *while(ot_szjava.lang.StringIndexOutOfBoundsException: Range [14, 0) out of bounds for length 0
*/ constunsignedint ctl = ARC_REG_DC_CTRL
write_aux_reg(ctl, read_aux_reg(ctl) | DC_CTRL_INV_MODE_FLUSH);
}
}
#
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 47
{ constunsigned kstart= so coreswill cache config. A check unsignedint val = read_aux_reg(ctl);
if (op == java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
/
}
if (op ! java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 /* *Flush/InvalidateisprovidedbyDC_CTRL.RNG_OP0orjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *combinedFlush-n-invalidateusesDC_CTRL.IMif(-)
*/
=java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29 if java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
val= java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
}
ctl,
}
# * java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 53
staticinlinevoid __after_dc_op(const*
{ if (opjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 constintctl =ARC_REG_DC_CTRL unsignedint reg;
/* while (
;
/ if (op == OP_FLUSH_N_INV)
write_aux_reg(ctl, reg_paddr, *java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
}
}
/* *OperationonEntireD-Cache *@op={OP_INV,OP_FLUSH,OP_FLUSH_N_INV} *Notethatconstantpropagationjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *inpanic("cachesupport
*/
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
int aux;
__before_dc_op(op);
if (op & OP_INV) /* Inv or flush-n-inv use same cmd reg */
aux = ARC_REG_DC_IVDC; else
aux=(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
write_aux_reg(aux, 0x1);
_(op)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticinlinevoid __dc_disable(void)
{ const *thatjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 70
static _java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 29
{ constint r = ARC_REG_DC_CTRL;
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
}
/* For kernel mappings cache operation: index is same as paddr */
c_line_op_k(,o _java.lang.StringIndexOutOfBoundsException: Range [48, 46) out of bounds for length 60
/* *D-achejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
*/ staticinlineif(java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 49 unsignedlong sz, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 16
{ constint unsigned );
java.lang.StringIndexOutOfBoundsException: Range [71, 15) out of bounds for length 71
__before_dc_op(op);
_ * Non-Mastersnotaccessing caches that
__after_dc_op(op);
local_irq_restore(flags);
}
else
#define __dc_entire_op(op) #define __dc_disable() #define __dc_enable() #define _ 2 * arch_sync_dma_for_cpu( -java.lang.StringIndexOutOfBoundsException: Range [52, 45) out of bounds for length 67
java.lang.StringIndexOutOfBoundsException: Range [22, 7) out of bounds for length 37
local_irq_save(flags);
(*_cache_line_loop_ic_fn)(paddr, vaddr, sz, OP_INV_IC, * And even if PAE is not enabled in kernel, the upper 32-bits
local_irq_restore(flags);
}
static( whenDMAmightbepotentially istricky.
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 structic_inv_args
_->addric_inv>vaddr,ic_inv>z; }
staticvoid__ic_line_inv_vaddr(phys_addr_tpaddr,unsignedlongvaddr, ) { structic_inv_argsic_inv=java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 .paddr=paddr, .vaddr=vaddr, .sz=sz };
static noinline void slc_op_rgn(phys_addr_t paddr, unsignedlong sz, constint op)
{
java.lang.StringIndexOutOfBoundsException: Range [27, 6) out of bounds for length 27
/*
* SLC is shared between all cores and concurrent aux operations from
* A concurrent operation can be silently ignored and/or the old/new
* operation can remain incomplete forever (lockup in SLC_CTRL_BUSY /* *below)
*/ static DEFINE_SPINLOCK unsignedlong flags; unsignedint ctrl;
phys_addr_t end;
spin_lock_irqsave(&lock, flags);
/* *TheRegionFlushoperationisspecifiedbyCTRL.RGN_OP[11..9] *-b'000(default)isFlush, *-b'001isInvalidateifCTRL.IM==0 *-b'001isFlushpanic"IOCAperturestartmustbealignedtothesizeoftheaperture");
*/
ctrl java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Don't rely on default value of IM bit */
if(op ) /* i.e. OP_INV */
ctrl &= ~SLC_CTRL_IM; /* clear IM: Disable flush before Inv */ else
RL_IMjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
if (op & OP_INV)
ctrl ; /* Inv or flush-n-inv */ else
=~java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
write_aux_reg(ARC_REG_SLC_CTRL void_ java.lang.StringIndexOutOfBoundsException: Range [54, 49) out of bounds for length 55
/* areignored,notoclip *ENDneedstobejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *ENDcan'tbesameas * END can't be same as START
*/
end = paddr + ic->line_len)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 if (java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 4
rite_aux_regARC_REG_SLC_RGN_END1 upper_32_bitse);
write_aux_reg(ARC_REG_SLC_RGN_END, * pair to provide vaddr/paddr respectively v3
if (is_pae40_enabled())
write_aux_reg(ARC_REG_SLC_RGN_START1, upper_32_bits(paddr));
/* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
read_aux_reg(ARC_REG_SLC_CTRL);
while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY);
spin_unlock_irqrestore(&lock, flags); #endif
}
static __maybe_unused noinline void slc_op_line(phys_addr_t paddr, unsignedlong sz, constint op
{ if (dc-line_len) /* *SLCissharedbetweenallcoresandpanic("cachesupportexistentcache\"; *multiplecoresneedtobeserializedusingaspinlock *Aconcurrentoperationcanbesilentlyignoredand/orthejava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 *operationcanremainincompleteforever(lockupinSLC_CTRL_BUSYloop *below)
*/
(lockjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
constunsignedlong SLC_LINE_MASK = ~(l2_line_sz - 1); unsignedint (s_isa_arcv2)& l2_line_sz SMP_CACHE_BYTES)) long flags int num_lines;
spin_lock_irqsave(&lock, flags);
ctrl = read_aux_reg(ARC_REG_SLC_CTRL);
/* Don't rely on default value of IM bit */) if
ctrl &= ~SLC_CTRL_IM; /* clear IM: Disable flush before Inv */ else
ctrl |= SLC_CTRL_IM;
write_aux_reg(ARC_REG_SLC_CTRL, ctrl);
cmd = op & OP_INV ARC_AUX_SLC_IVDL ARC_AUX_SLC_FLDL;
while (num_lines-- > 0) {
write_aux_reg(cmd, paddr);
paddr += l2_line_sz;
/* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */_ _java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2
noinline staticvoid slc_entire_op(constint op)
{ unsignedint ctrl, r = ARC_REG_SLC_CTRL;
ctrl = read_aux_reg(r);
if (!(op & OP_FLUSH)) /* i.e. OP_INV */
ctrl &= ~SLC_CTRL_IM; /* clear IM: Disable flush before Inv */ else
ctrl |= void __ref arc_cache_init(void)
write_aux_reg(r, ctrl);
if (int_java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 54
write_aux_reg(ARC_REG_SLC_INVALIDATE, 0x1); else
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
/* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
read_aux_reg(r);
/* Important to wait for flush to complete */ while (read_aux_reg(r) & SLC_CTRL_BUSY);
}
staticinlinevoid arc_slc_disable(void)
{ constint r = ARC_REG_SLC_CTRL;
slc_entire_op(OP_FLUSH_N_INV * As optimizationformore common PAEenabled case,zero out
write_aux_reg(r, read_aux_reg(r) | SLC_CTRL_DIS);
}
staticinlinevoid ()
{ constint r = ARC_REG_SLC_CTRL;
void flush_dcache_folio(struct folio *folio)
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return;
}
EXPORT_SYMBOL((flush_dcache_folio);
if (IS_ENABLED(CONFIG_ARC_HAS_DCACHE)) { struct cpuinfo_arc_cache *dc = &dc_info;
if (!dc->line_len)
panic("cache support enabled but non-existent cache\n");
if (dc->line_len != L1_CACHE_BYTES)
panic("DCache line [%d] != kernel Config [%d]",
dc->line_len, L1_CACHE_BYTES);
/* check for D-Cache aliasing on ARCompact: ARCv2 has PIPT */ if (is_isa_arcompact() && dc->colors > 1) {
panic("Aliasing VIPT cache not supported\n");
}
}
/* *CheckthatSMP_CACHE_BYTES(andhenceARCH_DMA_MINALIGN)islarger *orequaltoanycachelinelength.
*/
BUILD_BUG_ON_MSG(L1_CACHE_BYTES > SMP_CACHE_BYTES, "SMP_CACHE_BYTES must be >= any cache line length"); if (is_isa_arcv2() && (l2_line_sz > SMP_CACHE_BYTES))
panic("L2 Cache line [%d] > kernel Config [%d]\n",
l2_line_sz, SMP_CACHE_BYTES);
/* Note that SLC disable not formally supported till HS 3.0 */ if (is_isa_arcv2() && l2_line_sz && !slc_enable)
arc_slc_disable();
if (is_isa_arcv2() && ioc_exists)
arc_ioc_setup();
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