WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ia32/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 ia32interrupt
 * @{
 */
/** @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_SYSCALL          (IVT_FREEBASE+0)
#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+1)
#define VECTOR_DEBUG_IPI                (IVT_FREEBASE+2)
 
struct istate {
    __u32 eax;
    __u32 ecx;
    __u32 edx;
    __u32 esi;
    __u32 edi;
    __u32 ebp;
    __u32 ebx;
 
    __u32 gs;
    __u32 fs;
    __u32 es;
    __u32 ds;
 
    __u32 error_word;
    __u32 eip;
    __u32 cs;
    __u32 eflags;
    __u32 stack[];
};
 
/** Return true if exception happened while in userspace */
static inline int istate_from_uspace(istate_t *istate)
{
    return !(istate->eip & 0x80000000);
}
 
static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
{
    istate->eip = retaddr;
}
 
static inline __native istate_get_pc(istate_t *istate)
{
    return istate->eip;
}
 
extern void (* disable_irqs_function)(__u16 irqmask);
extern void (* enable_irqs_function)(__u16 irqmask);
extern void (* eoi_function)(void);
 
extern void PRINT_INFO_ERRCODE(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 simd_fp_exception(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);
 
#endif
 
 /** @}
 */
 
 

Rev 1595	Rev 1702
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 ia32interrupt
-		30	* @{
-		31	*/
-		32	/** @file
-		33	*/
-		34
29	#ifndef __ia32_INTERRUPT_H__	35	#ifndef __ia32_INTERRUPT_H__
30	#define __ia32_INTERRUPT_H__	36	#define __ia32_INTERRUPT_H__
31		37
32	#include <arch/types.h>	38	#include <arch/types.h>
33	#include <arch/pm.h>	39	#include <arch/pm.h>
34		40
35	#define IVT_ITEMS IDT_ITEMS	41	#define IVT_ITEMS IDT_ITEMS
36		42
37	#define EXC_COUNT 32	43	#define EXC_COUNT 32
38	#define IRQ_COUNT 16	44	#define IRQ_COUNT 16
39		45
40	#define IVT_EXCBASE 0	46	#define IVT_EXCBASE 0
41	#define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)	47	#define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)
42	#define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)	48	#define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)
43		49
44	#define IRQ_CLK 0	50	#define IRQ_CLK 0
45	#define IRQ_KBD 1	51	#define IRQ_KBD 1
46	#define IRQ_PIC1 2	52	#define IRQ_PIC1 2
47	#define IRQ_PIC_SPUR 7	53	#define IRQ_PIC_SPUR 7
48		54
49	/* this one must have four least significant bits set to ones */	55	/* this one must have four least significant bits set to ones */
50	#define VECTOR_APIC_SPUR (IVT_ITEMS-1)	56	#define VECTOR_APIC_SPUR (IVT_ITEMS-1)
51		57
52	#if (((VECTOR_APIC_SPUR + 1)%16) \|\| VECTOR_APIC_SPUR >= IVT_ITEMS)	58	#if (((VECTOR_APIC_SPUR + 1)%16) \|\| VECTOR_APIC_SPUR >= IVT_ITEMS)
53	#error Wrong definition of VECTOR_APIC_SPUR	59	#error Wrong definition of VECTOR_APIC_SPUR
54	#endif	60	#endif
55		61
56	#define VECTOR_DEBUG 1	62	#define VECTOR_DEBUG 1
57	#define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)	63	#define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)
58	#define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)	64	#define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)
59	#define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)	65	#define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)
60		66
61	#define VECTOR_SYSCALL (IVT_FREEBASE+0)	67	#define VECTOR_SYSCALL (IVT_FREEBASE+0)
62	#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1)	68	#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1)
63	#define VECTOR_DEBUG_IPI (IVT_FREEBASE+2)	69	#define VECTOR_DEBUG_IPI (IVT_FREEBASE+2)
64		70
65	struct istate {	71	struct istate {
66	__u32 eax;	72	__u32 eax;
67	__u32 ecx;	73	__u32 ecx;
68	__u32 edx;	74	__u32 edx;
69	__u32 esi;	75	__u32 esi;
70	__u32 edi;	76	__u32 edi;
71	__u32 ebp;	77	__u32 ebp;
72	__u32 ebx;	78	__u32 ebx;
73		79
74	__u32 gs;	80	__u32 gs;
75	__u32 fs;	81	__u32 fs;
76	__u32 es;	82	__u32 es;
77	__u32 ds;	83	__u32 ds;
78		84
79	__u32 error_word;	85	__u32 error_word;
80	__u32 eip;	86	__u32 eip;
81	__u32 cs;	87	__u32 cs;
82	__u32 eflags;	88	__u32 eflags;
83	__u32 stack[];	89	__u32 stack[];
84	};	90	};
85		91
86	/** Return true if exception happened while in userspace */	92	/** Return true if exception happened while in userspace */
87	static inline int istate_from_uspace(istate_t *istate)	93	static inline int istate_from_uspace(istate_t *istate)
88	{	94	{
89	return !(istate->eip & 0x80000000);	95	return !(istate->eip & 0x80000000);
90	}	96	}
91		97
92	static inline void istate_set_retaddr(istate_t *istate, __address retaddr)	98	static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
93	{	99	{
94	istate->eip = retaddr;	100	istate->eip = retaddr;
95	}	101	}
96		102
97	static inline __native istate_get_pc(istate_t *istate)	103	static inline __native istate_get_pc(istate_t *istate)
98	{	104	{
99	return istate->eip;	105	return istate->eip;
100	}	106	}
101		107
102	extern void (* disable_irqs_function)(__u16 irqmask);	108	extern void (* disable_irqs_function)(__u16 irqmask);
103	extern void (* enable_irqs_function)(__u16 irqmask);	109	extern void (* enable_irqs_function)(__u16 irqmask);
104	extern void (* eoi_function)(void);	110	extern void (* eoi_function)(void);
105		111
106	extern void PRINT_INFO_ERRCODE(istate_t *istate);	112	extern void PRINT_INFO_ERRCODE(istate_t *istate);
107	extern void null_interrupt(int n, istate_t *istate);	113	extern void null_interrupt(int n, istate_t *istate);
108	extern void gp_fault(int n, istate_t *istate);	114	extern void gp_fault(int n, istate_t *istate);
109	extern void nm_fault(int n, istate_t *istate);	115	extern void nm_fault(int n, istate_t *istate);
110	extern void ss_fault(int n, istate_t *istate);	116	extern void ss_fault(int n, istate_t *istate);
111	extern void simd_fp_exception(int n, istate_t *istate);	117	extern void simd_fp_exception(int n, istate_t *istate);
112	extern void syscall(int n, istate_t *istate);	118	extern void syscall(int n, istate_t *istate);
113	extern void tlb_shootdown_ipi(int n, istate_t *istate);	119	extern void tlb_shootdown_ipi(int n, istate_t *istate);
114		120
115	extern void trap_virtual_enable_irqs(__u16 irqmask);	121	extern void trap_virtual_enable_irqs(__u16 irqmask);
116	extern void trap_virtual_disable_irqs(__u16 irqmask);	122	extern void trap_virtual_disable_irqs(__u16 irqmask);
117	extern void trap_virtual_eoi(void);	123	extern void trap_virtual_eoi(void);
118		124
119	#endif	125	#endif
-		126
-		127	/** @}
-		128	*/
-		129
120		130

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/include/interrupt.h – Rev 1595 → 1702