| 1 | /*
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| 2 | * Copyright (C) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 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 |
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| 29 | #ifndef __sparc64_REGISTER_H__
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| 30 | #define __sparc64_REGISTER_H__
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| 31 |
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| 32 | #include <arch/types.h>
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| 33 |
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| 34 | /** Version Register. */
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| 35 | union ver_reg {
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| 36 | __u64 value;
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| 37 | struct {
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| 38 | __u16 manuf; /**< Manufacturer code. */
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| 39 | __u16 impl; /**< Implementation code. */
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| 40 | __u8 mask; /**< Mask set revision. */
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| 41 | unsigned : 8;
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| 42 | __u8 maxtl;
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| 43 | unsigned : 3;
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| 44 | unsigned maxwin : 5;
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| 45 | } __attribute__ ((packed));
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| 46 | };
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| 47 | typedef union ver_reg ver_reg_t;
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| 48 |
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| 49 | /** Processor State Register. */
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| 50 | union pstate_reg {
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| 51 | __u64 value;
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| 52 | struct {
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| 53 | __u64 : 52;
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| 54 | unsigned ig : 1; /**< Interrupt Globals. */
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| 55 | unsigned mg : 1; /**< MMU Globals. */
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| 56 | unsigned cle : 1; /**< Current Little Endian. */
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| 57 | unsigned tle : 1; /**< Trap Little Endian. */
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| 58 | unsigned mm : 2; /**< Memory Model. */
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| 59 | unsigned red : 1; /**< RED state. */
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| 60 | unsigned pef : 1; /**< Enable floating-point. */
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| 61 | unsigned am : 1; /**< 32-bit Address Mask. */
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| 62 | unsigned priv : 1; /**< Privileged Mode. */
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| 63 | unsigned ie : 1; /**< Interrupt Enable. */
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| 64 | unsigned ag : 1; /**< Alternate Globals*/
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| 65 | } __attribute__ ((packed));
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| 66 | };
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| 67 | typedef union pstate_reg pstate_reg_t;
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| 68 |
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| 69 | /** TICK Register. */
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| 70 | union tick_reg {
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| 71 | __u64 value;
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| 72 | struct {
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| 73 | unsigned npt : 1; /**< Non-privileged Trap enable. */
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| 74 | __u64 counter : 63; /**< Elapsed CPU clck cycle counter. */
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| 75 | } __attribute__ ((packed));
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| 76 | };
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| 77 | typedef union tick_reg tick_reg_t;
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| 78 |
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| 79 | /** TICK_compare Register. */
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| 80 | union tick_compare_reg {
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| 81 | __u64 value;
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| 82 | struct {
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| 83 | unsigned int_dis : 1; /**< TICK_INT interrupt disabled flag. */
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| 84 | __u64 tick_cmpr : 63; /**< Compare value for TICK interrupts. */
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| 85 | } __attribute__ ((packed));
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| 86 | };
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| 87 | typedef union tick_compare_reg tick_compare_reg_t;
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| 88 |
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| 89 | /** SOFTINT Register. */
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| 90 | union softint_reg {
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| 91 | __u64 value;
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| 92 | struct {
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| 93 | __u64 : 47;
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| 94 | unsigned stick_int : 1;
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| 95 | unsigned int_level : 15;
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| 96 | unsigned tick_int : 1;
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| 97 | } __attribute__ ((packed));
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| 98 | };
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| 99 | typedef union softint_reg softint_reg_t;
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| 100 |
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| 101 | #endif
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