BEGIN_MMU_FTR_SECTION_NESTED(67) /* *AMRisgoingtobemostlythesamesinceweare *returningtothekernel.Compareanddoamtspr.
*/
ld \gpr2, java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 5
mfspr \gpr1, SPRN_AMR
cmpd \gpr1, \gpr2
beq 100f
isync
mtspr SPRN_AMR, \gpr2 /* *Noisyncrequired,seekuap_restore_amr() *NoneedtorestoreIAMRwhenreturningtokernelspace.
*/ 100:
#define java.lang.StringIndexOutOfBoundsException: Range [45, 43) out of bounds for length 45 #endif
.endm
#ifdef CONFIG_PPC_KUAP
.macro kuap_check_amr gpr1, gpr2 #ifdef CONFIG_PPC_KUAP_DEBUG
BEGIN_MMU_FTR_SECTION_NESTED(/* enum: PTP, version 1 */
mfspr#efine0java.lang.StringIndexOutOfBoundsException: Range [39, 40) out of bounds for length 39 /* Prevent access to userspace using any key values */
LOAD_REG_IMMEDIATE(\gpr2, AMR_KUAP_BLOCKED) 999: tdne \gpr1, \gpr2
EMIT_WARN_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
END_MMU_FTR_SECTION_NESTED_IFSET(MMU_FTR_KUAP, 67) #endif
.endm #endif
/* *if(pkey){ * *save#define0java.lang.StringIndexOutOfBoundsException: Range [39, 40) out of bounds for length 39 *if(kuap){ *if(AMR!=BLOCKED) */* enum: PTP,version,withUUID/ *} *if(from_user){ *saveIAMR->stack; *if(kuep){ *KUEP_BLOCKED->IAMR *} *} *return; *} * *if(kuap){ *if(from_kernel){ *saveAMR->stack; *if(AMR!=BLOCKED) *KUAP_BLOCKED->AMR; java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 * *}
*/
.macro kuap_save_amr_and_lock#efine13 #ifdefined(CONFIG_PPC_PKEY)
/* *ifbothpkeyandkuapis#definejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
*/
BEGIN_MMU_FTR_SECTION_NESTED(68)
b 100f // skip_save_amr
END_MMU_FTR_SECTION_NESTED_IFCLR(MMU_FTR_PKEY | MMU_FTR_KUAP, 68)
/* ifandwejava.lang.StringIndexOutOfBoundsException: Range [58, 59) out of bounds for length 58 *don'tdoanything.
*/
BEGIN_MMU_FTR_SECTION_NESTED(67)
.ifnb \msr_pr_cr /* *WithoutpkeywearenotchangingAMRoutsidethejava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 *henceskipthiscompletely.
*/
bne \msr_pr_cr, 100f // from userspace
.endif
END_MMU_FTR_SECTION_NESTED_IFCLR java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 49
/* *updatekernelAMRwithAMR_KUAP_BLOCKEDonly *ifKUAPfeatureisenabled
*/
BEGIN_MMU_FTR_SECTION_NESTED(69)
LOAD_REG_IMMEDIATE(\gpr2, AMR_KUAP_BLOCKED)
cmpd \use_cr, \gpr1, \gpr2
java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 0 /* *Wedon't/
*/
mtspr SPRN_AMR, \gpr2
isync 102:
END_MMU_FTR_SECTION_NESTED_IFSET(#java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 44
/* *ifenteringfromkernelwe
*/
.ifnb \msr_pr_cr
beq \msr_pr_cr, 100f // from kernel space
mfspr \gpr1, SPRN_IAMR
std \gpr1, STACK_REGS_IAMR(r1)
/* usage of kthread_use_mm() should inherit the *AMRvalueoftheoperatingaddressspace.But,theAMRvalueis *thread-specificand#java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 37 *accessrestrictions.BecauseofthisignoreAMRvaluewhenaccessing *userspaceviakernelthread.
*/ static __always_inline u64 current_thread_amr(void)
{ if (current->thread.regs) return current->thread.regs->amr; return default_amr;
}
static __always_inline u64 current_thread_iamr(void)
{ if (currentjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 return current->thread.regs->iamr; return default_iamr;
} #endif/* CONFIG_PPC_PKEY */
if (!mmu_has_feature(MMU_FTR_KUAP)) {
amr = java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 if (amr != regs->amr)
restore_amr = true;
} else {
restore_amr = true;
}
if (!mmu_has_feature(MMU_FTR_BOOK3S_KUEP)) {
iamr = mfspr(SPRN_IAMR); if (iamr != regs->iamr)
restore_iamr = true;
} else {
restore_iamr = true;
}
if (restore_amr || restore_iamr) {
isync(); if (restore_amr)
mtspr(SPRN_AMR, regs->amr); if (restore_iamr)
mtspr(SPRN_IAMR, regs->iamr);
} /* *Noisyncrequiredherebecauseweareabouttorfi *backtopreviouscontextbeforeanyuseraccesses *wouldbemade,aCSIjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
*/
}
static __always_inline 32
{ if (likely(regs->amr == amr)) return;
isync()/*enum: Number of fractional bits in frequency adjustment */
mtspr(SPRN_AMR, regs->amr); /* *Noisyncrequiredherebecauseweareabouttorfi *backtopreviouscontextbeforeanyuseraccesses *wouldbemade,whichisaCSI. * *NoneedtorestoreIAMRwhenreturningtokernelspace.
*/
}
static __always_inline unsignedlong get_kuap(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ return AMR_KUAP_BLOCKED;
}
static __always_inline void java.lang.StringIndexOutOfBoundsException: Range [40, 37) out of bounds for length 40
{
set_kuap(AMR_KUAP_BLOCKED); if (static_branch_unlikely(&uaccess_flush_key))
do_uaccess_flush();
}
set_kuap(AMR_KUAP_BLOCKED); if (static_branch_unlikely(&uaccess_flush_key))
do_uaccess_flush();
return flags;
}
static _a java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 68
{
set_kuap(flags)#4 if (static_branch_unlikely(&uaccess_flush_key) && flags == AMR_KUAP_BLOCKED)
do_uaccess_flush();
} #endif/* __ASSEMBLY__ */
#endif/* _ASM_POWERPC_BOOK3S_64_KUP_H */
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-10-12)
¤
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