cregit-Linux how code gets into the kernel

Release 4.11 arch/blackfin/include/asm/flat.h

/*
 * uClinux flat-format executables
 *
 * Copyright 2003-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2
 */

#ifndef __BLACKFIN_FLAT_H__

#define __BLACKFIN_FLAT_H__

#include <asm/unaligned.h>


#define	flat_argvp_envp_on_stack()		0

#define	flat_old_ram_flag(flags)		(flags)

extern unsigned long bfin_get_addr_from_rp (unsigned long *ptr,
					unsigned long relval,
					unsigned long flags,
					unsigned long *persistent);

extern void bfin_put_addr_at_rp(unsigned long *ptr, unsigned long addr,
		                unsigned long relval);

/* The amount by which a relocation can exceed the program image limits
   without being regarded as an error.  */


#define	flat_reloc_valid(reloc, size)	((reloc) <= (size))


#define	flat_get_addr_from_rp(rp, relval, flags, persistent)	\
	bfin_get_addr_from_rp(rp, relval, flags, persistent)

#define	flat_put_addr_at_rp(rp, val, relval)	\
	bfin_put_addr_at_rp(rp, val, relval)

/* Convert a relocation entry into an address.  */

static inline unsigned long flat_get_relocate_addr (unsigned long relval) { return relval & 0x03ffffff; /* Mask out top 6 bits */ }

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static inline int flat_set_persistent(unsigned long relval, unsigned long *persistent) { int type = (relval >> 26) & 7; if (type == 3) { *persistent = relval << 16; return 1; } return 0; }

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static inline int flat_addr_absolute(unsigned long relval) { return (relval & (1 << 29)) != 0; }

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#endif /* __BLACKFIN_FLAT_H__ */

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Total194100.00%2100.00%
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