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| Rev | Author | Line No. | Line |
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| 418 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
| 418 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1851 | jermar | 29 | /** @addtogroup sparc64interrupt sparc64 |
| 1702 | cejka | 30 | * @ingroup interrupt |
| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file |
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| 34 | */ |
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| 35 | |||
| 1860 | jermar | 36 | #ifndef KERN_sparc64_INTERRUPT_H_ |
| 37 | #define KERN_sparc64_INTERRUPT_H_ |
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| 418 | jermar | 38 | |
| 1288 | jermar | 39 | #include <arch/types.h> |
| 3743 | rimsky | 40 | #include <arch/sun4u/regdef.h> |
| 664 | jermar | 41 | |
| 42 | #define IVT_ITEMS 15 |
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| 43 | #define IVT_FIRST 1 |
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| 44 | |||
| 2009 | jermar | 45 | /* This needs to be defined for inter-architecture API portability. */ |
| 1904 | jermar | 46 | #define VECTOR_TLB_SHOOTDOWN_IPI 0 |
| 1903 | jermar | 47 | |
| 2009 | jermar | 48 | enum { |
| 2143 | jermar | 49 | IPI_TLB_SHOOTDOWN = VECTOR_TLB_SHOOTDOWN_IPI |
| 2009 | jermar | 50 | }; |
| 51 | |||
| 2089 | decky | 52 | typedef struct { |
| 1851 | jermar | 53 | uint64_t tnpc; |
| 54 | uint64_t tpc; |
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| 55 | uint64_t tstate; |
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| 2089 | decky | 56 | } istate_t; |
| 1288 | jermar | 57 | |
| 1780 | jermar | 58 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
| 1288 | jermar | 59 | { |
| 1860 | jermar | 60 | istate->tpc = retaddr; |
| 1288 | jermar | 61 | } |
| 1860 | jermar | 62 | |
| 1595 | palkovsky | 63 | static inline int istate_from_uspace(istate_t *istate) |
| 64 | { |
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| 1860 | jermar | 65 | return !(istate->tstate & TSTATE_PRIV_BIT); |
| 1595 | palkovsky | 66 | } |
| 1860 | jermar | 67 | |
| 1780 | jermar | 68 | static inline unative_t istate_get_pc(istate_t *istate) |
| 1595 | palkovsky | 69 | { |
| 1860 | jermar | 70 | return istate->tpc; |
| 1595 | palkovsky | 71 | } |
| 1288 | jermar | 72 | |
| 418 | jermar | 73 | #endif |
| 1702 | cejka | 74 | |
| 1851 | jermar | 75 | /** @} |
| 1702 | cejka | 76 | */ |