[mirror_edk2.git] / StdLib / Include / Ipf / machine / db_machdep.h

/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */\r
\r
/*\r
 * Copyright (c) 1995 Carnegie-Mellon University.\r
 * All rights reserved.\r
 *\r
 * Author: Chris G. Demetriou\r
 *\r
 * Permission to use, copy, modify and distribute this software and\r
 * its documentation is hereby granted, provided that both the copyright\r
 * notice and this permission notice appear in all copies of the\r
 * software, derivative works or modified versions, and any portions\r
 * thereof, and that both notices appear in supporting documentation.\r
 *\r
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"\r
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND\r
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.\r
 *\r
 * Carnegie Mellon requests users of this software to return to\r
 *\r
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU\r
 *  School of Computer Science\r
 *  Carnegie Mellon University\r
 *  Pittsburgh PA 15213-3890\r
 *\r
 * any improvements or extensions that they make and grant Carnegie the\r
 * rights to redistribute these changes.\r
 */\r
\r
#ifndef	_IA64_DB_MACHDEP_H_\r
#define	_IA64_DB_MACHDEP_H_\r
\r
/*\r
 * Machine-dependent defines for new kernel debugger.\r
 */\r
\r
#include <sys/lock.h>\r
#include <sys/param.h>\r
#include <uvm/uvm_extern.h>\r
#include <machine/frame.h>\r
#include <machine/ia64_cpu.h>\r
\r
typedef	vaddr_t		db_addr_t;	/* address - unsigned */\r
typedef	long		db_expr_t;	/* expression - signed */\r
\r
typedef struct trapframe db_regs_t;\r
extern db_regs_t	*ddb_regp;	/* pointer to current register state */\r
#define	DDB_REGS	(ddb_regp)\r
\r
#if 0	/* XXX: disabling this until we switch on makectx()and have a proper \\r
	   curlwp(). TODO: please switch this back on ASAP */\r
\r
#define	PC_REGS(regs)	((db_addr_t)(regs)->tf_special.__spare == 0) ?	\\r
			((db_addr_t)(regs)->tf_special.rp) :		\\r
			((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))\r
#endif\r
\r
#if 1\r
#define PC_REGS(regs)   ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))\r
#endif\r
\r
#define db_set_single_step(regs)	((regs)->tf_special.psr |= IA64_PSR_SS)\r
#define db_clear_single_step(regs)	((regs)->tf_special.psr &= ~IA64_PSR_SS)\r
\r
\r
\r
/* defines to help with manipulating ia64 VLIW instruction bundles and slots */\r
\r
#define	TMPL_BITS	5\r
#define	TMPL_MASK	((1 << TMPL_BITS) - 1)\r
#define	SLOT_BITS	41\r
#define	SLOT_COUNT	3\r
#define	SLOT_MASK	((1ULL << SLOT_BITS) - 1ULL)\r
#define	SLOT_SHIFT(i)	(TMPL_BITS+((i)<<3)+(i))\r
\r
#define ADDR_SLOT0(addr)	( (addr) & ~(0xFUL) )\r
#define SLOT_ADDR(addr)		( (addr) & (0xFUL) )\r
/* breakpoint address. \r
 * Check for violations of pseudo offsets above 2. \r
 * Adjust for 32 bit shift within Bundle.\r
 */\r
\r
#define	BKPT_ADDR(addr)	( (SLOT_ADDR(addr) < SLOT_COUNT) ? \\r
			  (ADDR_SLOT0(addr) | (SLOT_ADDR(addr) << 2))	\\r
			  : ADDR_SLOT0(addr) )\r
\r
#define	BKPT_SIZE	8\r
\r
#define	BKPT_SET(inst, addr)	db_bkpt_set(inst, addr)\r
db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);\r
\r
\r
#define PC_ADVANCE(regs) db_pc_advance(regs)\r
void db_pc_advance(db_regs_t *);\r
\r
#define	IS_BREAKPOINT_TRAP(type, code)	(type == IA64_VEC_BREAK)\r
#define	IS_WATCHPOINT_TRAP(type, code)	0\r
\r
\r
#define	inst_trap_return(ins)	(ins & 0)\r
#define	inst_return(ins)	(ins & 0)\r
#define	inst_call(ins)		(ins & 0)\r
#define	inst_branch(ins)	(ins & 0)\r
#define	inst_load(ins)		(ins & 0)\r
#define	inst_store(ins)		(ins & 0)\r
#define	inst_unconditional_flow_transfer(ins) (ins & 0)\r
\r
#define	branch_taken(ins, pc, regs) pc\r
\r
u_long	db_register_value(db_regs_t *, int);\r
int	ddb_trap(unsigned long, unsigned long, unsigned long,\r
	    unsigned long, struct trapframe *);\r
\r
int ia64_trap(int, int, db_regs_t *); /* See: trap.c */\r
\r
/*\r
 * We define some of our own commands.\r
 */\r
#define	DB_MACHINE_COMMANDS\r
\r
/*\r
 * We use Elf64 symbols in DDB.\r
 */\r
#define	DB_ELF_SYMBOLS\r
#define	DB_ELFSIZE	64\r
\r
/*\r
 * Stuff for KGDB.\r
 */\r
typedef long		kgdb_reg_t;\r
#define	KGDB_NUMREGS	66	/* from tm-alpha.h, NUM_REGS */\r
#define	KGDB_REG_V0	0\r
#define	KGDB_REG_T0	1\r
#define	KGDB_REG_T1	2\r
#define	KGDB_REG_T2	3\r
#define	KGDB_REG_T3	4\r
#define	KGDB_REG_T4	5\r
#define	KGDB_REG_T5	6\r
#define	KGDB_REG_T6	7\r
#define	KGDB_REG_T7	8\r
#define	KGDB_REG_S0	9\r
#define	KGDB_REG_S1	10\r
#define	KGDB_REG_S2	11\r
#define	KGDB_REG_S3	12\r
#define	KGDB_REG_S4	13\r
#define	KGDB_REG_S5	14\r
#define	KGDB_REG_S6	15	/* FP */\r
#define	KGDB_REG_A0	16\r
#define	KGDB_REG_A1	17\r
#define	KGDB_REG_A2	18\r
#define	KGDB_REG_A3	19\r
#define	KGDB_REG_A4	20\r
#define	KGDB_REG_A5	21\r
#define	KGDB_REG_T8	22\r
#define	KGDB_REG_T9	23\r
#define	KGDB_REG_T10	24\r
#define	KGDB_REG_T11	25\r
#define	KGDB_REG_RA	26\r
#define	KGDB_REG_T12	27\r
#define	KGDB_REG_AT	28\r
#define	KGDB_REG_GP	29\r
#define	KGDB_REG_SP	30\r
#define	KGDB_REG_ZERO	31\r
#define	KGDB_REG_F0	32\r
#define	KGDB_REG_F1	33\r
#define	KGDB_REG_F2	34\r
#define	KGDB_REG_F3	35\r
#define	KGDB_REG_F4	36\r
#define	KGDB_REG_F5	37\r
#define	KGDB_REG_F6	38\r
#define	KGDB_REG_F7	39\r
#define	KGDB_REG_F8	40\r
#define	KGDB_REG_F9	41\r
#define	KGDB_REG_F10	42\r
#define	KGDB_REG_F11	43\r
#define	KGDB_REG_F12	44\r
#define	KGDB_REG_F13	45\r
#define	KGDB_REG_F14	46\r
#define	KGDB_REG_F15	47\r
#define	KGDB_REG_F16	48\r
#define	KGDB_REG_F17	49\r
#define	KGDB_REG_F18	50\r
#define	KGDB_REG_F19	51\r
#define	KGDB_REG_F20	52\r
#define	KGDB_REG_F21	53\r
#define	KGDB_REG_F22	54\r
#define	KGDB_REG_F23	55\r
#define	KGDB_REG_F24	56\r
#define	KGDB_REG_F25	57\r
#define	KGDB_REG_F26	58\r
#define	KGDB_REG_F27	59\r
#define	KGDB_REG_F28	60\r
#define	KGDB_REG_F29	61\r
#define	KGDB_REG_F30	62\r
#define	KGDB_REG_F31	63\r
#define	KGDB_REG_PC	64\r
#define	KGDB_REG_VFP	65\r
\r
/* Too much?  Must be large enough for register transfer. */\r
#define	KGDB_BUFLEN	1024\r
\r
#endif	/* _IA64_DB_MACHDEP_H_ */\r
Commit	Line	Data
2aa62f2b	1	/* $NetBSD: db_machdep.h,v 1.2 2006/08/30 11:12:04 cherry Exp $ */\r
	2	\r
	3	/*\r
	4	* Copyright (c) 1995 Carnegie-Mellon University.\r
	5	* All rights reserved.\r
	6	*\r
	7	* Author: Chris G. Demetriou\r
	8	*\r
	9	* Permission to use, copy, modify and distribute this software and\r
	10	* its documentation is hereby granted, provided that both the copyright\r
	11	* notice and this permission notice appear in all copies of the\r
	12	* software, derivative works or modified versions, and any portions\r
	13	* thereof, and that both notices appear in supporting documentation.\r
	14	*\r
	15	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"\r
	16	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND\r
	17	* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.\r
	18	*\r
	19	* Carnegie Mellon requests users of this software to return to\r
	20	*\r
	21	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU\r
	22	* School of Computer Science\r
	23	* Carnegie Mellon University\r
	24	* Pittsburgh PA 15213-3890\r
	25	*\r
	26	* any improvements or extensions that they make and grant Carnegie the\r
	27	* rights to redistribute these changes.\r
	28	*/\r
	29	\r
	30	#ifndef _IA64_DB_MACHDEP_H_\r
	31	#define _IA64_DB_MACHDEP_H_\r
	32	\r
	33	/*\r
	34	* Machine-dependent defines for new kernel debugger.\r
	35	*/\r
	36	\r
	37	#include <sys/lock.h>\r
	38	#include <sys/param.h>\r
	39	#include <uvm/uvm_extern.h>\r
	40	#include <machine/frame.h>\r
	41	#include <machine/ia64_cpu.h>\r
	42	\r
	43	typedef vaddr_t db_addr_t; /* address - unsigned */\r
	44	typedef long db_expr_t; /* expression - signed */\r
	45	\r
	46	typedef struct trapframe db_regs_t;\r
	47	extern db_regs_t ddb_regp; / pointer to current register state */\r
	48	#define DDB_REGS (ddb_regp)\r
	49	\r
	50	#if 0 /* XXX: disabling this until we switch on makectx()and have a proper \\r
	51	curlwp(). TODO: please switch this back on ASAP */\r
	52	\r
	53	#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.__spare == 0) ? \\r
	54	((db_addr_t)(regs)->tf_special.rp) : \\r
	55	((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))\r
	56	#endif\r
	57	\r
	58	#if 1\r
	59	#define PC_REGS(regs) ((db_addr_t)(regs)->tf_special.iip + (((regs)->tf_special.psr>>41) & 3))\r
	60	#endif\r
	61	\r
	62	#define db_set_single_step(regs) ((regs)->tf_special.psr \|= IA64_PSR_SS)\r
	63	#define db_clear_single_step(regs) ((regs)->tf_special.psr &= ~IA64_PSR_SS)\r
	64	\r
65	\r
66	\r
67	/* defines to help with manipulating ia64 VLIW instruction bundles and slots */\r
68	\r
69	#define TMPL_BITS 5\r
70	#define TMPL_MASK ((1 << TMPL_BITS) - 1)\r
71	#define SLOT_BITS 41\r
72	#define SLOT_COUNT 3\r
73	#define SLOT_MASK ((1ULL << SLOT_BITS) - 1ULL)\r
74	#define SLOT_SHIFT(i) (TMPL_BITS+((i)<<3)+(i))\r
75	\r
76	#define ADDR_SLOT0(addr) ( (addr) & ~(0xFUL) )\r
77	#define SLOT_ADDR(addr) ( (addr) & (0xFUL) )\r
78	/* breakpoint address. \r
79	* Check for violations of pseudo offsets above 2. \r
80	* Adjust for 32 bit shift within Bundle.\r
81	*/\r
82	\r
83	#define BKPT_ADDR(addr) ( (SLOT_ADDR(addr) < SLOT_COUNT) ? \\r
84	(ADDR_SLOT0(addr) \| (SLOT_ADDR(addr) << 2)) \\r
85	: ADDR_SLOT0(addr) )\r
86	\r
87	#define BKPT_SIZE 8\r
88	\r
89	#define BKPT_SET(inst, addr) db_bkpt_set(inst, addr)\r
90	db_expr_t db_bkpt_set(db_expr_t inst, db_addr_t addr);\r
91	\r
92	\r
93	#define PC_ADVANCE(regs) db_pc_advance(regs)\r
94	void db_pc_advance(db_regs_t *);\r
95	\r
96	#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK)\r
97	#define IS_WATCHPOINT_TRAP(type, code) 0\r
98	\r
99	\r
100	#define inst_trap_return(ins) (ins & 0)\r
101	#define inst_return(ins) (ins & 0)\r
102	#define inst_call(ins) (ins & 0)\r
103	#define inst_branch(ins) (ins & 0)\r
104	#define inst_load(ins) (ins & 0)\r
105	#define inst_store(ins) (ins & 0)\r
106	#define inst_unconditional_flow_transfer(ins) (ins & 0)\r
107	\r
108	#define branch_taken(ins, pc, regs) pc\r
109	\r
110	u_long db_register_value(db_regs_t *, int);\r
111	int ddb_trap(unsigned long, unsigned long, unsigned long,\r
112	unsigned long, struct trapframe *);\r
113	\r
114	int ia64_trap(int, int, db_regs_t ); / See: trap.c */\r
115	\r
116	/*\r
117	* We define some of our own commands.\r
118	*/\r
119	#define DB_MACHINE_COMMANDS\r
120	\r
121	/*\r
122	* We use Elf64 symbols in DDB.\r
123	*/\r
124	#define DB_ELF_SYMBOLS\r
125	#define DB_ELFSIZE 64\r
126	\r
127	/*\r
128	* Stuff for KGDB.\r
129	*/\r
130	typedef long kgdb_reg_t;\r
131	#define KGDB_NUMREGS 66 /* from tm-alpha.h, NUM_REGS */\r
132	#define KGDB_REG_V0 0\r
133	#define KGDB_REG_T0 1\r
134	#define KGDB_REG_T1 2\r
135	#define KGDB_REG_T2 3\r
136	#define KGDB_REG_T3 4\r
137	#define KGDB_REG_T4 5\r
138	#define KGDB_REG_T5 6\r
139	#define KGDB_REG_T6 7\r
140	#define KGDB_REG_T7 8\r
141	#define KGDB_REG_S0 9\r
142	#define KGDB_REG_S1 10\r
143	#define KGDB_REG_S2 11\r
144	#define KGDB_REG_S3 12\r
145	#define KGDB_REG_S4 13\r
146	#define KGDB_REG_S5 14\r
147	#define KGDB_REG_S6 15 /* FP */\r
148	#define KGDB_REG_A0 16\r
149	#define KGDB_REG_A1 17\r
150	#define KGDB_REG_A2 18\r
151	#define KGDB_REG_A3 19\r
152	#define KGDB_REG_A4 20\r
153	#define KGDB_REG_A5 21\r
154	#define KGDB_REG_T8 22\r
155	#define KGDB_REG_T9 23\r
156	#define KGDB_REG_T10 24\r
157	#define KGDB_REG_T11 25\r
158	#define KGDB_REG_RA 26\r
159	#define KGDB_REG_T12 27\r
160	#define KGDB_REG_AT 28\r
161	#define KGDB_REG_GP 29\r
162	#define KGDB_REG_SP 30\r
163	#define KGDB_REG_ZERO 31\r
164	#define KGDB_REG_F0 32\r
165	#define KGDB_REG_F1 33\r
166	#define KGDB_REG_F2 34\r
167	#define KGDB_REG_F3 35\r
168	#define KGDB_REG_F4 36\r
169	#define KGDB_REG_F5 37\r
170	#define KGDB_REG_F6 38\r
171	#define KGDB_REG_F7 39\r
172	#define KGDB_REG_F8 40\r
173	#define KGDB_REG_F9 41\r
174	#define KGDB_REG_F10 42\r
175	#define KGDB_REG_F11 43\r
176	#define KGDB_REG_F12 44\r
177	#define KGDB_REG_F13 45\r
178	#define KGDB_REG_F14 46\r
179	#define KGDB_REG_F15 47\r
180	#define KGDB_REG_F16 48\r
181	#define KGDB_REG_F17 49\r
182	#define KGDB_REG_F18 50\r
183	#define KGDB_REG_F19 51\r
184	#define KGDB_REG_F20 52\r
185	#define KGDB_REG_F21 53\r
186	#define KGDB_REG_F22 54\r
187	#define KGDB_REG_F23 55\r
188	#define KGDB_REG_F24 56\r
189	#define KGDB_REG_F25 57\r
190	#define KGDB_REG_F26 58\r
191	#define KGDB_REG_F27 59\r
192	#define KGDB_REG_F28 60\r
193	#define KGDB_REG_F29 61\r
194	#define KGDB_REG_F30 62\r
195	#define KGDB_REG_F31 63\r
196	#define KGDB_REG_PC 64\r
197	#define KGDB_REG_VFP 65\r
198	\r
199	/* Too much? Must be large enough for register transfer. */\r
200	#define KGDB_BUFLEN 1024\r
201	\r
202	#endif /* _IA64_DB_MACHDEP_H_ */\r