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/*
* Creation Date: <1999/09/25 17:25:30 samuel>
* Time-stamp: <2001/04/21 16:55:24 samuel>
*
* <reloc.h>
*
* Definitions used to move criticalal low-level parts
* of the code to continuous physical memory.
*
* Copyright (C) 1999, 2000, 2001 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
#ifndef _H_RELOC
#define _H_RELOC
/* Special 'action symbols' are used to dynamically modify the code. */
#define NO_ACTION 0
#define ACTION_KVARS_TABLE 1
#define ACTION_KVARS_TABLE_VIRT 2
#define FIRST_RELOC_ACTION 3
#define ACTION_LI_PHYS 3 /* dest_reg, addr */
#define LAST_RELOC_ACTION 3
#define FIRST_HOOK_ACTION 5
#define ACTION_RELOC_HOOK 6 /* trigger, size, vret_action#, vret_offs */
#define ACTION_VRET 7
#define ACTION_HOOK_FUNCTION 8
#define ACTION_FRET 9
#define LAST_HOOK_ACTION 9
#define MAX_ACTION 15 /* used to loop the actions */
/* Function hooks */
#define FHOOK_FLUSH_HASH_PAGE 1
#ifdef ACTION_SYM_GREPPING
#define ACTION_SYMBOL( sym_name, action ) \
ACTION_SYM_START,##sym_name,##action,ACTION_SYM_END
#define GLOBAL_SYMBOL( sym_name ) \
GLOBAL_SYM_START,##sym_name,GLOBAL_SYM_END
#else
#define ACTION_SYMBOL( sym_name, dummy2 ) \
sym_name:
#define GLOBAL_SYMBOL( sym_name ) \
GLOBL(sym_name)
#endif
#ifndef __ASSEMBLY__
extern int reloc_phys_offs;
extern int reloc_virt_offs;
#define reloc_ptr( v ) ((ulong)(v) + (ulong)reloc_virt_offs)
enum {
R_PPC_ADDR16_LO = 1,
R_PPC_ADDR16_HA,
R_PPC_ADDR16_HI,
R_PPC_ADDR32,
/* unsupported */
R_PPC_REL24,
R_PPC_REL14
};
typedef struct reloc_table {
unsigned long inst_offs;
int action;
int rtype;
unsigned long offs;
} reloc_table_t, reloc_table_entry_t;
#endif
#endif /* _H_RELOC */
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