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1 | // (c) 2020 Aaron Taylor <ataylor at subgeniuskitty dot com> |
2 | // See LICENSE.txt file for copyright and license details. | |
3 | ||
4 | #ifndef SGK_PDP11_REGISTER_H | |
5 | #define SGK_PDP11_REGISTER_H | |
6 | ||
7 | ||
8 | /* | |
9 | * ============================================================================= | |
10 | * Register Access Macros | |
11 | * ============================================================================= | |
12 | */ | |
13 | ||
14 | /* | |
15 | * Use these macros along with the register address/field definitions in this | |
16 | * file to get/set memory mapped registers. | |
17 | * | |
18 | * For example: | |
19 | * SET(KISDR2,PDR_PAGELEN,0100); | |
20 | * SET(MMR3,MMR3_EN_22BIT,1); | |
21 | * uint16_t value = GET(PSW,PSW_REGSET); | |
22 | */ | |
23 | ||
24 | #define GET(reg,regspec) GET_EXPANDED(reg,regspec) | |
25 | #define GET_EXPANDED(reg,mask,offset) ((reg & (mask << offset)) >> offset) | |
26 | ||
27 | #define SET(reg,regspec,value) SET_EXPANDED(reg,regspec,value) | |
28 | #define SET_EXPANDED(reg,mask,offset,value) (reg = ((reg & (~(mask << offset))) | (value << offset))) | |
29 | ||
30 | ||
31 | /* | |
32 | * ============================================================================= | |
33 | * Register Address Definitions | |
34 | * ============================================================================= | |
35 | */ | |
36 | ||
37 | // Register names correspond to KDJ11-B User Guide (EK-KDJ1B-UG). | |
38 | // http://bitsavers.org/pdf/dec/pdp11/1173/EK-KDJ1B-UG_KDJ11-B_Nov86.pdf | |
39 | ||
40 | /* CPU */ | |
41 | ||
42 | #define PSW (*((volatile uint16_t *)0177776)) | |
43 | #define PIRQ (*((volatile uint16_t *)0177772)) | |
44 | #define CPUERR (*((volatile uint16_t *)0177766)) | |
45 | ||
46 | /* MMU */ | |
47 | ||
48 | #define MMR0 (*((volatile uint16_t *)0177572)) | |
49 | #define MMR1 (*((volatile uint16_t *)0177574)) | |
50 | #define MMR2 (*((volatile uint16_t *)0177576)) | |
51 | #define MMR3 (*((volatile uint16_t *)0172516)) | |
52 | ||
53 | #define UISDR0 (*((volatile uint16_t *)0177600)) | |
54 | #define UISDR1 (*((volatile uint16_t *)0177602)) | |
55 | #define UISDR2 (*((volatile uint16_t *)0177604)) | |
56 | #define UISDR3 (*((volatile uint16_t *)0177606)) | |
57 | #define UISDR4 (*((volatile uint16_t *)0177610)) | |
58 | #define UISDR5 (*((volatile uint16_t *)0177612)) | |
59 | #define UISDR6 (*((volatile uint16_t *)0177614)) | |
60 | #define UISDR7 (*((volatile uint16_t *)0177616)) | |
61 | ||
62 | #define UDSDR0 (*((volatile uint16_t *)0177620)) | |
63 | #define UDSDR1 (*((volatile uint16_t *)0177622)) | |
64 | #define UDSDR2 (*((volatile uint16_t *)0177624)) | |
65 | #define UDSDR3 (*((volatile uint16_t *)0177626)) | |
66 | #define UDSDR4 (*((volatile uint16_t *)0177630)) | |
67 | #define UDSDR5 (*((volatile uint16_t *)0177632)) | |
68 | #define UDSDR6 (*((volatile uint16_t *)0177634)) | |
69 | #define UDSDR7 (*((volatile uint16_t *)0177636)) | |
70 | ||
71 | #define UISAR0 (*((volatile uint16_t *)0177640)) | |
72 | #define UISAR1 (*((volatile uint16_t *)0177642)) | |
73 | #define UISAR2 (*((volatile uint16_t *)0177644)) | |
74 | #define UISAR3 (*((volatile uint16_t *)0177646)) | |
75 | #define UISAR4 (*((volatile uint16_t *)0177650)) | |
76 | #define UISAR5 (*((volatile uint16_t *)0177652)) | |
77 | #define UISAR6 (*((volatile uint16_t *)0177654)) | |
78 | #define UISAR7 (*((volatile uint16_t *)0177656)) | |
79 | ||
80 | #define UDSAR0 (*((volatile uint16_t *)0177660)) | |
81 | #define UDSAR1 (*((volatile uint16_t *)0177662)) | |
82 | #define UDSAR2 (*((volatile uint16_t *)0177664)) | |
83 | #define UDSAR3 (*((volatile uint16_t *)0177666)) | |
84 | #define UDSAR4 (*((volatile uint16_t *)0177670)) | |
85 | #define UDSAR5 (*((volatile uint16_t *)0177672)) | |
86 | #define UDSAR6 (*((volatile uint16_t *)0177674)) | |
87 | #define UDSAR7 (*((volatile uint16_t *)0177676)) | |
88 | ||
89 | #define SISDR0 (*((volatile uint16_t *)0172200)) | |
90 | #define SISDR1 (*((volatile uint16_t *)0172202)) | |
91 | #define SISDR2 (*((volatile uint16_t *)0172204)) | |
92 | #define SISDR3 (*((volatile uint16_t *)0172206)) | |
93 | #define SISDR4 (*((volatile uint16_t *)0172210)) | |
94 | #define SISDR5 (*((volatile uint16_t *)0172212)) | |
95 | #define SISDR6 (*((volatile uint16_t *)0172214)) | |
96 | #define SISDR7 (*((volatile uint16_t *)0172216)) | |
97 | ||
98 | #define SDSDR0 (*((volatile uint16_t *)0172220)) | |
99 | #define SDSDR1 (*((volatile uint16_t *)0172222)) | |
100 | #define SDSDR2 (*((volatile uint16_t *)0172224)) | |
101 | #define SDSDR3 (*((volatile uint16_t *)0172226)) | |
102 | #define SDSDR4 (*((volatile uint16_t *)0172230)) | |
103 | #define SDSDR5 (*((volatile uint16_t *)0172232)) | |
104 | #define SDSDR6 (*((volatile uint16_t *)0172234)) | |
105 | #define SDSDR7 (*((volatile uint16_t *)0172236)) | |
106 | ||
107 | #define SISAR0 (*((volatile uint16_t *)0172240)) | |
108 | #define SISAR1 (*((volatile uint16_t *)0172242)) | |
109 | #define SISAR2 (*((volatile uint16_t *)0172244)) | |
110 | #define SISAR3 (*((volatile uint16_t *)0172246)) | |
111 | #define SISAR4 (*((volatile uint16_t *)0172250)) | |
112 | #define SISAR5 (*((volatile uint16_t *)0172252)) | |
113 | #define SISAR6 (*((volatile uint16_t *)0172254)) | |
114 | #define SISAR7 (*((volatile uint16_t *)0172256)) | |
115 | ||
116 | #define SDSAR0 (*((volatile uint16_t *)0172260)) | |
117 | #define SDSAR1 (*((volatile uint16_t *)0172262)) | |
118 | #define SDSAR2 (*((volatile uint16_t *)0172264)) | |
119 | #define SDSAR3 (*((volatile uint16_t *)0172266)) | |
120 | #define SDSAR4 (*((volatile uint16_t *)0172270)) | |
121 | #define SDSAR5 (*((volatile uint16_t *)0172272)) | |
122 | #define SDSAR6 (*((volatile uint16_t *)0172274)) | |
123 | #define SDSAR7 (*((volatile uint16_t *)0172276)) | |
124 | ||
125 | #define KISDR0 (*((volatile uint16_t *)0172300)) | |
126 | #define KISDR1 (*((volatile uint16_t *)0172302)) | |
127 | #define KISDR2 (*((volatile uint16_t *)0172304)) | |
128 | #define KISDR3 (*((volatile uint16_t *)0172306)) | |
129 | #define KISDR4 (*((volatile uint16_t *)0172310)) | |
130 | #define KISDR5 (*((volatile uint16_t *)0172312)) | |
131 | #define KISDR6 (*((volatile uint16_t *)0172314)) | |
132 | #define KISDR7 (*((volatile uint16_t *)0172316)) | |
133 | ||
134 | #define KDSDR0 (*((volatile uint16_t *)0172320)) | |
135 | #define KDSDR1 (*((volatile uint16_t *)0172322)) | |
136 | #define KDSDR2 (*((volatile uint16_t *)0172324)) | |
137 | #define KDSDR3 (*((volatile uint16_t *)0172326)) | |
138 | #define KDSDR4 (*((volatile uint16_t *)0172330)) | |
139 | #define KDSDR5 (*((volatile uint16_t *)0172332)) | |
140 | #define KDSDR6 (*((volatile uint16_t *)0172334)) | |
141 | #define KDSDR7 (*((volatile uint16_t *)0172336)) | |
142 | ||
143 | ||
144 | #define KISAR0 (*((volatile uint16_t *)0172340)) | |
145 | #define KISAR1 (*((volatile uint16_t *)0172342)) | |
146 | #define KISAR2 (*((volatile uint16_t *)0172344)) | |
147 | #define KISAR3 (*((volatile uint16_t *)0172346)) | |
148 | #define KISAR4 (*((volatile uint16_t *)0172350)) | |
149 | #define KISAR5 (*((volatile uint16_t *)0172352)) | |
150 | #define KISAR6 (*((volatile uint16_t *)0172354)) | |
151 | #define KISAR7 (*((volatile uint16_t *)0172356)) | |
152 | ||
153 | #define KDSAR0 (*((volatile uint16_t *)0172360)) | |
154 | #define KDSAR1 (*((volatile uint16_t *)0172362)) | |
155 | #define KDSAR2 (*((volatile uint16_t *)0172364)) | |
156 | #define KDSAR3 (*((volatile uint16_t *)0172366)) | |
157 | #define KDSAR4 (*((volatile uint16_t *)0172370)) | |
158 | #define KDSAR5 (*((volatile uint16_t *)0172372)) | |
159 | #define KDSAR6 (*((volatile uint16_t *)0172374)) | |
160 | #define KDSAR7 (*((volatile uint16_t *)0172376)) | |
161 | ||
162 | ||
163 | /* | |
164 | * ============================================================================= | |
165 | * Register Field Definitions | |
166 | * ============================================================================= | |
167 | */ | |
168 | ||
dc5bb9bb | 169 | /* |
8c0bb8d8 AT |
170 | * These take the form of "(width),(offset)". For example, if a field is |
171 | * 4-bits wide and occupies bits 2-5 (starting from 0), then it would be | |
172 | * defined as "(017),(2)". | |
dc5bb9bb AT |
173 | */ |
174 | ||
7f635197 AT |
175 | #define MMR0_AB_NONRES (01),(15) |
176 | #define MMR0_AB_PAGLEN (01),(14) | |
177 | #define MMR0_AB_RO (01),(13) | |
178 | #define MMR0_PG_MODE (03),(5) | |
179 | #define MMR0_PG_SPLTID (01),(4) | |
180 | #define MMR0_PG_NUMBER (07),(1) | |
181 | #define MMR0_EN_MMU (01),(0) | |
182 | ||
183 | #define MMR1_A_CHANGE (037),(11) | |
184 | #define MMR1_A_REGSTR (07),(8) | |
185 | #define MMR1_B_CHANGE (037),(3) | |
186 | #define MMR1_B_REGSTR (07),(0) | |
187 | ||
188 | #define MMR2_PC (0177777),(0) | |
189 | ||
190 | #define MMR3_EN_22BIT (01),(4) | |
191 | #define MMR3_EN_CSMINS (01),(3) | |
192 | #define MMR3_KRNSPLTID (01),(2) | |
193 | #define MMR3_SUPSPLTID (01),(1) | |
194 | #define MMR3_USRSPLTID (01),(0) | |
195 | ||
196 | #define PAR_PAF (0177777),(0) | |
197 | ||
198 | #define PDR_BYPASCACHE (01),(15) | |
199 | #define PDR_PAGELEN (0177),(8) | |
200 | #define PDR_PAGEWRITEN (01),(6) | |
201 | #define PDR_EXPANDDIR (01),(3) | |
202 | #define PDR_ACCESSCTRL (03),(1) | |
203 | ||
204 | ||
205 | #endif // SGK_PDP11_REGISTER_H |