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640 | jermar | 1 | /* |
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 | |||
29 | #ifndef __sparc64_REGISTER_H__ |
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30 | #define __sparc64_REGISTER_H__ |
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31 | |||
32 | #include <arch/types.h> |
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33 | |||
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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658 | jermar | 39 | __u16 impl; /**< Implementation code. */ |
640 | jermar | 40 | __u8 mask; /**< Mask set revision. */ |
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 | |||
650 | jermar | 49 | /** Processor State Register. */ |
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 | |||
658 | jermar | 69 | /** TICK Register. */ |
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 | |||
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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664 | jermar | 83 | unsigned int_dis : 1; /**< TICK_INT interrupt disabled flag. */ |
658 | jermar | 84 | __u64 tick_cmpr : 63; /**< Compare value for TICK interrupts. */ |
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 | |||
664 | jermar | 89 | /** SOFTINT Register. */ |
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 | |||
640 | jermar | 101 | #endif |