StdLib/Include/Ipf/machine/db_machdep.h - device/linaro/bootloader/edk2 - Git at Google

 /* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */

 /*
  * Copyright (c) 1995 Carnegie-Mellon University.
  * All rights reserved.
  *
  * Author: Chris G. Demetriou
  *
  * Permission to use, copy, modify and distribute this software and
  * its documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
  *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  *
  * Carnegie Mellon requests users of this software to return to
  *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
  *
  * any improvements or extensions that they make and grant Carnegie the
  * rights to redistribute these changes.
  */

 #ifndef	_IA64_DB_MACHDEP_H_
 #define	_IA64_DB_MACHDEP_H_

 /*
  * Machine-dependent defines for new kernel debugger.
  */

 #include <sys/lock.h>
 #include <sys/param.h>
 #include <uvm/uvm_extern.h>
 #include <machine/frame.h>
 #include <machine/ia64_cpu.h>

 typedef	vaddr_t		db_addr_t;	/* address - unsigned */
 typedef	long		db_expr_t;	/* expression - signed */

 typedef struct trapframe db_regs_t;
 extern db_regs_t	*ddb_regp;	/* pointer to current register state */
 #define	DDB_REGS	(ddb_regp)

 #if 0	/* XXX: disabling this until we switch on makectx()and have a proper \
 	   curlwp(). TODO: please switch this back on ASAP */

 #define	PC_REGS(regs)	((db_addr_t)(regs)->tf_special.__spare == 0) ?	\
 			((db_addr_t)(regs)->tf_special.rp) :		\
 			((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
 #endif

 #if 1
 #define PC_REGS(regs)   ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
 #endif

 #define db_set_single_step(regs)	((regs)->tf_special.psr |= IA64_PSR_SS)
 #define db_clear_single_step(regs)	((regs)->tf_special.psr &= ~IA64_PSR_SS)


 /* defines to help with manipulating ia64 VLIW instruction bundles and slots */

 #define	TMPL_BITS	5
 #define	TMPL_MASK	((1 << TMPL_BITS) - 1)
 #define	SLOT_BITS	41
 #define	SLOT_COUNT	3
 #define	SLOT_MASK	((1ULL << SLOT_BITS) - 1ULL)
 #define	SLOT_SHIFT(i)	(TMPL_BITS+((i)<<3)+(i))

 #define ADDR_SLOT0(addr)	( (addr) & ~(0xFUL) )
 #define SLOT_ADDR(addr)		( (addr) & (0xFUL) )
 /* breakpoint address.
  * Check for violations of pseudo offsets above 2.
  * Adjust for 32 bit shift within Bundle.
  */

 #define	BKPT_ADDR(addr)	( (SLOT_ADDR(addr) < SLOT_COUNT) ? \
 			  (ADDR_SLOT0(addr) | (SLOT_ADDR(addr) << 2))	\
 			  : ADDR_SLOT0(addr) )

 #define	BKPT_SIZE	8

 #define	BKPT_SET(inst, addr)	db_bkpt_set(inst, addr)
 db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);


 #define PC_ADVANCE(regs) db_pc_advance(regs)
 void db_pc_advance(db_regs_t *);

 #define	IS_BREAKPOINT_TRAP(type, code)	(type == IA64_VEC_BREAK)
 #define	IS_WATCHPOINT_TRAP(type, code)	0


 #define	inst_trap_return(ins)	(ins & 0)
 #define	inst_return(ins)	(ins & 0)
 #define	inst_call(ins)		(ins & 0)
 #define	inst_branch(ins)	(ins & 0)
 #define	inst_load(ins)		(ins & 0)
 #define	inst_store(ins)		(ins & 0)
 #define	inst_unconditional_flow_transfer(ins) (ins & 0)

 #define	branch_taken(ins, pc, regs) pc

 u_long	db_register_value(db_regs_t *, int);
 int	ddb_trap(unsigned long, unsigned long, unsigned long,
 	    unsigned long, struct trapframe *);

 int ia64_trap(int, int, db_regs_t *); /* See: trap.c */

 /*
  * We define some of our own commands.
  */
 #define	DB_MACHINE_COMMANDS

 /*
  * We use Elf64 symbols in DDB.
  */
 #define	DB_ELF_SYMBOLS
 #define	DB_ELFSIZE	64

 /*
  * Stuff for KGDB.
  */
 typedef long		kgdb_reg_t;
 #define	KGDB_NUMREGS	66	/* from tm-alpha.h, NUM_REGS */
 #define	KGDB_REG_V0	0
 #define	KGDB_REG_T0	1
 #define	KGDB_REG_T1	2
 #define	KGDB_REG_T2	3
 #define	KGDB_REG_T3	4
 #define	KGDB_REG_T4	5
 #define	KGDB_REG_T5	6
 #define	KGDB_REG_T6	7
 #define	KGDB_REG_T7	8
 #define	KGDB_REG_S0	9
 #define	KGDB_REG_S1	10
 #define	KGDB_REG_S2	11
 #define	KGDB_REG_S3	12
 #define	KGDB_REG_S4	13
 #define	KGDB_REG_S5	14
 #define	KGDB_REG_S6	15	/* FP */
 #define	KGDB_REG_A0	16
 #define	KGDB_REG_A1	17
 #define	KGDB_REG_A2	18
 #define	KGDB_REG_A3	19
 #define	KGDB_REG_A4	20
 #define	KGDB_REG_A5	21
 #define	KGDB_REG_T8	22
 #define	KGDB_REG_T9	23
 #define	KGDB_REG_T10	24
 #define	KGDB_REG_T11	25
 #define	KGDB_REG_RA	26
 #define	KGDB_REG_T12	27
 #define	KGDB_REG_AT	28
 #define	KGDB_REG_GP	29
 #define	KGDB_REG_SP	30
 #define	KGDB_REG_ZERO	31
 #define	KGDB_REG_F0	32
 #define	KGDB_REG_F1	33
 #define	KGDB_REG_F2	34
 #define	KGDB_REG_F3	35
 #define	KGDB_REG_F4	36
 #define	KGDB_REG_F5	37
 #define	KGDB_REG_F6	38
 #define	KGDB_REG_F7	39
 #define	KGDB_REG_F8	40
 #define	KGDB_REG_F9	41
 #define	KGDB_REG_F10	42
 #define	KGDB_REG_F11	43
 #define	KGDB_REG_F12	44
 #define	KGDB_REG_F13	45
 #define	KGDB_REG_F14	46
 #define	KGDB_REG_F15	47
 #define	KGDB_REG_F16	48
 #define	KGDB_REG_F17	49
 #define	KGDB_REG_F18	50
 #define	KGDB_REG_F19	51
 #define	KGDB_REG_F20	52
 #define	KGDB_REG_F21	53
 #define	KGDB_REG_F22	54
 #define	KGDB_REG_F23	55
 #define	KGDB_REG_F24	56
 #define	KGDB_REG_F25	57
 #define	KGDB_REG_F26	58
 #define	KGDB_REG_F27	59
 #define	KGDB_REG_F28	60
 #define	KGDB_REG_F29	61
 #define	KGDB_REG_F30	62
 #define	KGDB_REG_F31	63
 #define	KGDB_REG_PC	64
 #define	KGDB_REG_VFP	65

 /* Too much?  Must be large enough for register transfer. */
 #define	KGDB_BUFLEN	1024

 #endif	/* _IA64_DB_MACHDEP_H_ */
	/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */

	/*
	* Copyright (c) 1995 Carnegie-Mellon University.
	* All rights reserved.
	*
	* Author: Chris G. Demetriou
	*
	* Permission to use, copy, modify and distribute this software and
	* its documentation is hereby granted, provided that both the copyright
	* notice and this permission notice appear in all copies of the
	* software, derivative works or modified versions, and any portions
	* thereof, and that both notices appear in supporting documentation.
	*
	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
	* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	*
	* Carnegie Mellon requests users of this software to return to
	*
	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	* School of Computer Science
	* Carnegie Mellon University
	* Pittsburgh PA 15213-3890
	*
	* any improvements or extensions that they make and grant Carnegie the
	* rights to redistribute these changes.
	*/

	#ifndef _IA64_DB_MACHDEP_H_
	#define _IA64_DB_MACHDEP_H_

	/*
	* Machine-dependent defines for new kernel debugger.
	*/

	#include <sys/lock.h>
	#include <sys/param.h>
	#include <uvm/uvm_extern.h>
	#include <machine/frame.h>
	#include <machine/ia64_cpu.h>

	typedef vaddr_t db_addr_t; /* address - unsigned */
	typedef long db_expr_t; /* expression - signed */

	typedef struct trapframe db_regs_t;
	extern db_regs_t ddb_regp; / pointer to current register state */
	#define DDB_REGS (ddb_regp)

	#if 0 /* XXX: disabling this until we switch on makectx()and have a proper \
	curlwp(). TODO: please switch this back on ASAP */

	#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.__spare == 0) ? \
	((db_addr_t)(regs)->tf_special.rp) : \
	((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
	#endif

	#if 1
	#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))
	#endif

	#define db_set_single_step(regs) ((regs)->tf_special.psr \|= IA64_PSR_SS)
	#define db_clear_single_step(regs) ((regs)->tf_special.psr &= ~IA64_PSR_SS)



	/* defines to help with manipulating ia64 VLIW instruction bundles and slots */

	#define TMPL_BITS 5
	#define TMPL_MASK ((1 << TMPL_BITS) - 1)
	#define SLOT_BITS 41
	#define SLOT_COUNT 3
	#define SLOT_MASK ((1ULL << SLOT_BITS) - 1ULL)
	#define SLOT_SHIFT(i) (TMPL_BITS+((i)<<3)+(i))

	#define ADDR_SLOT0(addr) ( (addr) & ~(0xFUL) )
	#define SLOT_ADDR(addr) ( (addr) & (0xFUL) )
	/* breakpoint address.
	* Check for violations of pseudo offsets above 2.
	* Adjust for 32 bit shift within Bundle.
	*/

	#define BKPT_ADDR(addr) ( (SLOT_ADDR(addr) < SLOT_COUNT) ? \
	(ADDR_SLOT0(addr) \| (SLOT_ADDR(addr) << 2)) \
	: ADDR_SLOT0(addr) )

	#define BKPT_SIZE 8

	#define BKPT_SET(inst, addr) db_bkpt_set(inst, addr)
	db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);


	#define PC_ADVANCE(regs) db_pc_advance(regs)
	void db_pc_advance(db_regs_t *);

	#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK)
	#define IS_WATCHPOINT_TRAP(type, code) 0


	#define inst_trap_return(ins) (ins & 0)
	#define inst_return(ins) (ins & 0)
	#define inst_call(ins) (ins & 0)
	#define inst_branch(ins) (ins & 0)
	#define inst_load(ins) (ins & 0)
	#define inst_store(ins) (ins & 0)
	#define inst_unconditional_flow_transfer(ins) (ins & 0)

	#define branch_taken(ins, pc, regs) pc

	u_long db_register_value(db_regs_t *, int);
	int ddb_trap(unsigned long, unsigned long, unsigned long,
	unsigned long, struct trapframe *);

	int ia64_trap(int, int, db_regs_t ); / See: trap.c */

	/*
	* We define some of our own commands.
	*/
	#define DB_MACHINE_COMMANDS

	/*
	* We use Elf64 symbols in DDB.
	*/
	#define DB_ELF_SYMBOLS
	#define DB_ELFSIZE 64

	/*
	* Stuff for KGDB.
	*/
	typedef long kgdb_reg_t;
	#define KGDB_NUMREGS 66 /* from tm-alpha.h, NUM_REGS */
	#define KGDB_REG_V0 0
	#define KGDB_REG_T0 1
	#define KGDB_REG_T1 2
	#define KGDB_REG_T2 3
	#define KGDB_REG_T3 4
	#define KGDB_REG_T4 5
	#define KGDB_REG_T5 6
	#define KGDB_REG_T6 7
	#define KGDB_REG_T7 8
	#define KGDB_REG_S0 9
	#define KGDB_REG_S1 10
	#define KGDB_REG_S2 11
	#define KGDB_REG_S3 12
	#define KGDB_REG_S4 13
	#define KGDB_REG_S5 14
	#define KGDB_REG_S6 15 /* FP */
	#define KGDB_REG_A0 16
	#define KGDB_REG_A1 17
	#define KGDB_REG_A2 18
	#define KGDB_REG_A3 19
	#define KGDB_REG_A4 20
	#define KGDB_REG_A5 21
	#define KGDB_REG_T8 22
	#define KGDB_REG_T9 23
	#define KGDB_REG_T10 24
	#define KGDB_REG_T11 25
	#define KGDB_REG_RA 26
	#define KGDB_REG_T12 27
	#define KGDB_REG_AT 28
	#define KGDB_REG_GP 29
	#define KGDB_REG_SP 30
	#define KGDB_REG_ZERO 31
	#define KGDB_REG_F0 32
	#define KGDB_REG_F1 33
	#define KGDB_REG_F2 34
	#define KGDB_REG_F3 35
	#define KGDB_REG_F4 36
	#define KGDB_REG_F5 37
	#define KGDB_REG_F6 38
	#define KGDB_REG_F7 39
	#define KGDB_REG_F8 40
	#define KGDB_REG_F9 41
	#define KGDB_REG_F10 42
	#define KGDB_REG_F11 43
	#define KGDB_REG_F12 44
	#define KGDB_REG_F13 45
	#define KGDB_REG_F14 46
	#define KGDB_REG_F15 47
	#define KGDB_REG_F16 48
	#define KGDB_REG_F17 49
	#define KGDB_REG_F18 50
	#define KGDB_REG_F19 51
	#define KGDB_REG_F20 52
	#define KGDB_REG_F21 53
	#define KGDB_REG_F22 54
	#define KGDB_REG_F23 55
	#define KGDB_REG_F24 56
	#define KGDB_REG_F25 57
	#define KGDB_REG_F26 58
	#define KGDB_REG_F27 59
	#define KGDB_REG_F28 60
	#define KGDB_REG_F29 61
	#define KGDB_REG_F30 62
	#define KGDB_REG_F31 63
	#define KGDB_REG_PC 64
	#define KGDB_REG_VFP 65

	/* Too much? Must be large enough for register transfer. */
	#define KGDB_BUFLEN 1024

	#endif /* _IA64_DB_MACHDEP_H_ */