xref: /titanic_41/usr/src/uts/intel/sys/kdi_machimpl.h (revision 843e19887f64dde75055cf8842fc4db2171eff45)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_KDI_MACHIMPL_H
27 #define	_SYS_KDI_MACHIMPL_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 /*
32  * The Kernel/Debugger interface.  The operations provided by the kdi_t,
33  * defined below, comprise the Debugger -> Kernel portion of the interface,
34  * and are to be used only when the system has been stopped.
35  */
36 
37 #include <sys/modctl.h>
38 #include <sys/types.h>
39 #include <sys/cpuvar.h>
40 #include <sys/kdi_regs.h>
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 
46 typedef void (*kdi_main_t)(kdi_cpusave_t *);
47 
48 typedef struct kdi_memrange {
49 	caddr_t mr_base;
50 	caddr_t mr_lim;
51 } kdi_memrange_t;
52 
53 #define	KDI_MEMRANGES_MAX	2
54 
55 typedef struct kdi_mach {
56 	void (*mkdi_activate)(kdi_main_t, kdi_cpusave_t *, uint_t);
57 	void (*mkdi_deactivate)(void);
58 
59 	void (*mkdi_idt_switch)(kdi_cpusave_t *);
60 
61 	void (*mkdi_update_drreg)(kdi_drreg_t *);
62 	void (*mkdi_set_debug_msrs)(kdi_msr_t *);
63 
64 	uintptr_t (*mkdi_get_userlimit)(void);
65 
66 	int (*mkdi_get_cpuinfo)(uint_t *, uint_t *, uint_t *);
67 
68 	void (*mkdi_stop_slaves)(int, int);
69 
70 	void (*mkdi_start_slaves)(void);
71 
72 	void (*mkdi_slave_wait)(void);
73 
74 	void (*mkdi_memrange_add)(caddr_t, size_t);
75 
76 	void (*mkdi_reboot)(void);
77 } kdi_mach_t;
78 
79 #define	mkdi_activate			kdi_mach.mkdi_activate
80 #define	mkdi_deactivate			kdi_mach.mkdi_deactivate
81 #define	mkdi_idt_switch			kdi_mach.mkdi_idt_switch
82 #define	mkdi_update_drreg		kdi_mach.mkdi_update_drreg
83 #define	mkdi_set_debug_msrs		kdi_mach.mkdi_set_debug_msrs
84 #define	mkdi_get_userlimit		kdi_mach.mkdi_get_userlimit
85 #define	mkdi_get_cpuinfo		kdi_mach.mkdi_get_cpuinfo
86 #define	mkdi_stop_slaves		kdi_mach.mkdi_stop_slaves
87 #define	mkdi_start_slaves		kdi_mach.mkdi_start_slaves
88 #define	mkdi_slave_wait			kdi_mach.mkdi_slave_wait
89 #define	mkdi_memrange_add		kdi_mach.mkdi_memrange_add
90 #define	mkdi_reboot			kdi_mach.mkdi_reboot
91 
92 extern void hat_kdi_init(void);
93 
94 extern ulong_t kdi_getdr0(void), kdi_getdr1(void), kdi_getdr2(void);
95 extern ulong_t kdi_getdr3(void), kdi_getdr6(void), kdi_getdr7(void);
96 extern void kdi_setdr0(ulong_t), kdi_setdr1(ulong_t), kdi_setdr2(ulong_t);
97 extern void kdi_setdr3(ulong_t), kdi_setdr6(ulong_t), kdi_setdr7(ulong_t);
98 extern ulong_t kdi_dreg_get(int);
99 extern void kdi_dreg_set(int, ulong_t);
100 extern void kdi_update_drreg(kdi_drreg_t *);
101 extern void kdi_set_debug_msrs(kdi_msr_t *);
102 extern void kdi_cpu_debug_init(kdi_cpusave_t *);
103 
104 extern void kdi_cpu_init(void);
105 extern void kdi_xc_others(int, void (*)(void));
106 extern void kdi_start_slaves(void);
107 extern void kdi_slave_wait(void);
108 
109 extern void kdi_idtr_set(gate_desc_t *, size_t);
110 extern void kdi_idt_write(struct gate_desc *, uint_t);
111 extern void kdi_idt_sync(void);
112 extern void kdi_idt_switch(kdi_cpusave_t *);
113 #ifdef __xpv
114 extern void kdi_idtr_write(desctbr_t *);
115 #else
116 #define	kdi_idtr_write(idtr) wr_idtr(idtr)
117 #endif
118 
119 extern void kdi_activate(kdi_main_t, kdi_cpusave_t *, uint_t);
120 extern void kdi_deactivate(void);
121 extern void kdi_stop_slaves(int, int);
122 extern void kdi_memrange_add(caddr_t, size_t);
123 extern void kdi_reboot(void);
124 
125 #ifdef __cplusplus
126 }
127 #endif
128 
129 #endif /* _SYS_KDI_MACHIMPL_H */
130