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1 | jermar | 1 | /* |
2 | * Copyright (C) 2001-2004 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 __CP0_H__ |
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30 | #define __CP0_H__ |
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31 | |||
32 | #include <arch/types.h> |
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33 | |||
34 | #define cp0_status_ie_enabled_bit (1<<0) |
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35 | #define cp0_status_exl_exception_bit (1<<1) |
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36 | #define cp0_status_erl_error_bit (1<<2) |
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37 | #define cp0_status_bev_bootstrap_bit (1<<22) |
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38 | |||
39 | #define cp0_status_im7_shift 15 |
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40 | /* |
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41 | * Magic value for use in msim. |
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42 | * On AMD Duron 800Mhz, this roughly seems like one us. |
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43 | */ |
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44 | #define cp0_compare_value 10000 |
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45 | |||
46 | extern __u32 cp0_index_read(void); |
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47 | extern void cp0_idnex_write(__u32 val); |
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48 | |||
49 | extern __u32 cp0_random_read(void); |
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50 | |||
51 | extern __u32 cp0_entry_lo0_read(void); |
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52 | extern void cp0_entry_lo0_write(__u32 val); |
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53 | |||
54 | extern __u32 cp0_entry_lo1_read(void); |
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55 | extern void cp0_entry_lo1_write(__u32 val); |
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56 | |||
57 | extern __u32 cp0_context_read(void); |
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58 | extern void cp0_context_write(__u32 val); |
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59 | |||
60 | extern __u32 cp0_pagemask_read(void); |
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61 | extern void cp0_pagemask_write(__u32 val); |
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62 | |||
63 | extern __u32 cp0_wired_read(void); |
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64 | extern void cp0_wired_write(__u32 val); |
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65 | |||
66 | extern __u32 cp0_badvaddr_read(void); |
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67 | |||
68 | extern volatile __u32 cp0_count_read(void); |
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69 | extern void cp0_count_write(__u32 val); |
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70 | |||
71 | extern volatile __u32 cp0_entry_hi_read(void); |
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72 | extern void cp0_entry_hi_write(__u32 val); |
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73 | |||
74 | extern volatile __u32 cp0_compare_read(void); |
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75 | extern void cp0_compare_write(__u32 val); |
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76 | |||
77 | extern __u32 cp0_status_read(void); |
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78 | extern void cp0_status_write(__u32 val); |
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79 | |||
80 | extern __u32 cp0_cause_read(void); |
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81 | extern void cp0_cause_write(__u32 val); |
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82 | |||
83 | extern __u32 cp0_epc_read(void); |
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84 | extern void cp0_epc_write(__u32 val); |
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85 | |||
86 | extern __u32 cp0_prid_read(void); |
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87 | |||
88 | extern void tlbp(void); |
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89 | extern void tlbr(void); |
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90 | extern void tlbwi(void); |
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91 | extern void tlbwr(void); |
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92 | |||
93 | #endif |