WebSVN – HelenOS – Diff – /trunk/kernel/arch/amd64/include/interrupt.h


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 /** @addtogroup amd64interrupt
 
 * @{
 */
/** @file
 */
 
#ifndef __ia32_INTERRUPT_H__
#define __ia32_INTERRUPT_H__
 
#include <arch/types.h>
#include <arch/pm.h>
 
#define IVT_ITEMS       IDT_ITEMS
 
#define EXC_COUNT   32
#define IRQ_COUNT   16
 
#define IVT_EXCBASE     0
#define IVT_IRQBASE     (IVT_EXCBASE+EXC_COUNT)
#define IVT_FREEBASE        (IVT_IRQBASE+IRQ_COUNT)
 
#define IRQ_CLK     0
#define IRQ_KBD     1
#define IRQ_PIC1    2
#define IRQ_PIC_SPUR    7
 
/* this one must have four least significant bits set to ones */
#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)
 
#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
#error Wrong definition of VECTOR_APIC_SPUR
#endif
 
#define VECTOR_DEBUG            1
#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)
#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)
#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)
 
#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+0)
#define VECTOR_WAKEUP_IPI       (IVT_FREEBASE+1)
#define VECTOR_DEBUG_IPI                (IVT_FREEBASE+2)
 
/** This is passed to interrupt handlers */
struct istate {
    __u64 rax;
    __u64 rbx;
    __u64 rcx;
    __u64 rdx;
    __u64 rsi;
    __u64 rdi;
    __u64 r8;
    __u64 r9;
    __u64 r10;
    __u64 r11;
    __u64 r12;
    __u64 r13;
    __u64 r14;
    __u64 r15;
    __u64 rbp;
    __u64 error_word;
    __u64 rip;
    __u64 cs;
    __u64 rflags;
    __u64 stack[]; /* Additional data on stack */
};
 
/** Return true if exception happened while in userspace */
static inline int istate_from_uspace(istate_t *istate)
{
    return !(istate->rip & 0x8000000000000000);
}
 
static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
{
    istate->rip = retaddr;
}
static inline __native istate_get_pc(istate_t *istate)
{
    return istate->rip;
}
 
extern void (* disable_irqs_function)(__u16 irqmask);
extern void (* enable_irqs_function)(__u16 irqmask);
extern void (* eoi_function)(void);
 
extern void print_info_errcode(int n, istate_t *istate);
extern void null_interrupt(int n, istate_t *istate);
extern void gp_fault(int n, istate_t *istate);
extern void nm_fault(int n, istate_t *istate);
extern void ss_fault(int n, istate_t *istate);
extern void page_fault(int n, istate_t *istate);
extern void syscall(int n, istate_t *istate);
extern void tlb_shootdown_ipi(int n, istate_t *istate);
 
extern void trap_virtual_enable_irqs(__u16 irqmask);
extern void trap_virtual_disable_irqs(__u16 irqmask);
extern void trap_virtual_eoi(void);
/* AMD64 - specific page handler */
extern void ident_page_fault(int n, istate_t *istate);
 
#endif
 
 /** @}
 */
 
 

Rev 1702	Rev 1705
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup amd64interrupt amd64	29	/** @addtogroup amd64interrupt
30	* @ingroup interrupt	-
31	* @{	30	* @{
32	*/	31	*/
33	/** @file	32	/** @file
34	*/	33	*/
35		34
36	#ifndef __ia32_INTERRUPT_H__	35	#ifndef __ia32_INTERRUPT_H__
37	#define __ia32_INTERRUPT_H__	36	#define __ia32_INTERRUPT_H__
38		37
39	#include <arch/types.h>	38	#include <arch/types.h>
40	#include <arch/pm.h>	39	#include <arch/pm.h>
41		40
42	#define IVT_ITEMS IDT_ITEMS	41	#define IVT_ITEMS IDT_ITEMS
43		42
44	#define EXC_COUNT 32	43	#define EXC_COUNT 32
45	#define IRQ_COUNT 16	44	#define IRQ_COUNT 16
46		45
47	#define IVT_EXCBASE 0	46	#define IVT_EXCBASE 0
48	#define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)	47	#define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)
49	#define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)	48	#define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)
50		49
51	#define IRQ_CLK 0	50	#define IRQ_CLK 0
52	#define IRQ_KBD 1	51	#define IRQ_KBD 1
53	#define IRQ_PIC1 2	52	#define IRQ_PIC1 2
54	#define IRQ_PIC_SPUR 7	53	#define IRQ_PIC_SPUR 7
55		54
56	/* this one must have four least significant bits set to ones */	55	/* this one must have four least significant bits set to ones */
57	#define VECTOR_APIC_SPUR (IVT_ITEMS-1)	56	#define VECTOR_APIC_SPUR (IVT_ITEMS-1)
58		57
59	#if (((VECTOR_APIC_SPUR + 1)%16) \|\| VECTOR_APIC_SPUR >= IVT_ITEMS)	58	#if (((VECTOR_APIC_SPUR + 1)%16) \|\| VECTOR_APIC_SPUR >= IVT_ITEMS)
60	#error Wrong definition of VECTOR_APIC_SPUR	59	#error Wrong definition of VECTOR_APIC_SPUR
61	#endif	60	#endif
62		61
63	#define VECTOR_DEBUG 1	62	#define VECTOR_DEBUG 1
64	#define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)	63	#define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)
65	#define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)	64	#define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)
66	#define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)	65	#define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)
67		66
68	#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+0)	67	#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+0)
69	#define VECTOR_WAKEUP_IPI (IVT_FREEBASE+1)	68	#define VECTOR_WAKEUP_IPI (IVT_FREEBASE+1)
70	#define VECTOR_DEBUG_IPI (IVT_FREEBASE+2)	69	#define VECTOR_DEBUG_IPI (IVT_FREEBASE+2)
71		70
72	/** This is passed to interrupt handlers */	71	/** This is passed to interrupt handlers */
73	struct istate {	72	struct istate {
74	__u64 rax;	73	__u64 rax;
75	__u64 rbx;	74	__u64 rbx;
76	__u64 rcx;	75	__u64 rcx;
77	__u64 rdx;	76	__u64 rdx;
78	__u64 rsi;	77	__u64 rsi;
79	__u64 rdi;	78	__u64 rdi;
80	__u64 r8;	79	__u64 r8;
81	__u64 r9;	80	__u64 r9;
82	__u64 r10;	81	__u64 r10;
83	__u64 r11;	82	__u64 r11;
84	__u64 r12;	83	__u64 r12;
85	__u64 r13;	84	__u64 r13;
86	__u64 r14;	85	__u64 r14;
87	__u64 r15;	86	__u64 r15;
88	__u64 rbp;	87	__u64 rbp;
89	__u64 error_word;	88	__u64 error_word;
90	__u64 rip;	89	__u64 rip;
91	__u64 cs;	90	__u64 cs;
92	__u64 rflags;	91	__u64 rflags;
93	__u64 stack[]; /* Additional data on stack */	92	__u64 stack[]; /* Additional data on stack */
94	};	93	};
95		94
96	/** Return true if exception happened while in userspace */	95	/** Return true if exception happened while in userspace */
97	static inline int istate_from_uspace(istate_t *istate)	96	static inline int istate_from_uspace(istate_t *istate)
98	{	97	{
99	return !(istate->rip & 0x8000000000000000);	98	return !(istate->rip & 0x8000000000000000);
100	}	99	}
101		100
102	static inline void istate_set_retaddr(istate_t *istate, __address retaddr)	101	static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
103	{	102	{
104	istate->rip = retaddr;	103	istate->rip = retaddr;
105	}	104	}
106	static inline __native istate_get_pc(istate_t *istate)	105	static inline __native istate_get_pc(istate_t *istate)
107	{	106	{
108	return istate->rip;	107	return istate->rip;
109	}	108	}
110		109
111	extern void (* disable_irqs_function)(__u16 irqmask);	110	extern void (* disable_irqs_function)(__u16 irqmask);
112	extern void (* enable_irqs_function)(__u16 irqmask);	111	extern void (* enable_irqs_function)(__u16 irqmask);
113	extern void (* eoi_function)(void);	112	extern void (* eoi_function)(void);
114		113
115	extern void print_info_errcode(int n, istate_t *istate);	114	extern void print_info_errcode(int n, istate_t *istate);
116	extern void null_interrupt(int n, istate_t *istate);	115	extern void null_interrupt(int n, istate_t *istate);
117	extern void gp_fault(int n, istate_t *istate);	116	extern void gp_fault(int n, istate_t *istate);
118	extern void nm_fault(int n, istate_t *istate);	117	extern void nm_fault(int n, istate_t *istate);
119	extern void ss_fault(int n, istate_t *istate);	118	extern void ss_fault(int n, istate_t *istate);
120	extern void page_fault(int n, istate_t *istate);	119	extern void page_fault(int n, istate_t *istate);
121	extern void syscall(int n, istate_t *istate);	120	extern void syscall(int n, istate_t *istate);
122	extern void tlb_shootdown_ipi(int n, istate_t *istate);	121	extern void tlb_shootdown_ipi(int n, istate_t *istate);
123		122
124	extern void trap_virtual_enable_irqs(__u16 irqmask);	123	extern void trap_virtual_enable_irqs(__u16 irqmask);
125	extern void trap_virtual_disable_irqs(__u16 irqmask);	124	extern void trap_virtual_disable_irqs(__u16 irqmask);
126	extern void trap_virtual_eoi(void);	125	extern void trap_virtual_eoi(void);
127	/* AMD64 - specific page handler */	126	/* AMD64 - specific page handler */
128	extern void ident_page_fault(int n, istate_t *istate);	127	extern void ident_page_fault(int n, istate_t *istate);
129		128
130	#endif	129	#endif
131		130
132	/** @}	131	/** @}
133	*/	132	*/
134		133
135		134

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/amd64/include/interrupt.h @ 2007 – Rev 1702 → 1705