cregit-Linux how code gets into the kernel

Release 4.14 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 (u32 *ptr, u32 relval,
					u32 flags, u32 *persistent);

extern void bfin_put_addr_at_rp(u32 *ptr, u32 addr, u32 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))


static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags, u32 *addr, u32 *persistent) { *addr = bfin_get_addr_from_rp(rp, relval, flags, persistent); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro3376.74%150.00%
Bryan Wu1023.26%150.00%
Total43100.00%2100.00%


static inline int flat_put_addr_at_rp(u32 __user *rp, u32 val, u32 relval) { bfin_put_addr_at_rp(rp, val, relval); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro2273.33%150.00%
Bryan Wu826.67%150.00%
Total30100.00%2100.00%

/* 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 */ }

Contributors

PersonTokensPropCommitsCommitProp
Bryan Wu18100.00%1100.00%
Total18100.00%1100.00%


static inline int flat_set_persistent(u32 relval, u32 *persistent) { int type = (relval >> 26) & 7; if (type == 3) { *persistent = relval << 16; return 1; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Bryan Wu4495.65%150.00%
Geert Uytterhoeven24.35%150.00%
Total46100.00%2100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
Bryan Wu24100.00%1100.00%
Total24100.00%1100.00%

#endif /* __BLACKFIN_FLAT_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Bryan Wu16771.98%125.00%
Al Viro6226.72%125.00%
Geert Uytterhoeven20.86%125.00%
Robin Getz10.43%125.00%
Total232100.00%4100.00%
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