source: mainline/kernel/arch/ia64/include/register.h@ 06e1e95

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 06e1e95 was 06e1e95, checked in by Jakub Jermar <jakub@…>, 19 years ago

C99 compliant header guards (hopefully) everywhere in the kernel.
Formatting and indentation changes.
Small improvements in sparc64.
  • Property mode set to 100644
File size: 7.3 KB
Line 
1/*
2 * Copyright (C) 2005 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup ia64
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_ia64_REGISTER_H_
36#define KERN_ia64_REGISTER_H_
37
38#define CR_IVR_MASK 0xf
39#define PSR_IC_MASK 0x2000
40#define PSR_I_MASK 0x4000
41#define PSR_PK_MASK 0x8000
42
43#define PSR_DT_MASK (1<<17)
44#define PSR_RT_MASK (1<<27)
45
46#define PSR_DFL_MASK (1<<18)
47#define PSR_DFH_MASK (1<<19)
48
49#define PSR_IT_MASK 0x0000001000000000
50
51#define PSR_CPL_SHIFT 32
52#define PSR_CPL_MASK_SHIFTED 3
53
54#define PFM_MASK (~0x3fffffffff)
55
56#define RSC_MODE_MASK 3
57#define RSC_PL_MASK 12
58
59/** Application registers. */
60#define AR_KR0 0
61#define AR_KR1 1
62#define AR_KR2 2
63#define AR_KR3 3
64#define AR_KR4 4
65#define AR_KR5 5
66#define AR_KR6 6
67#define AR_KR7 7
68/* AR 8-15 reserved */
69#define AR_RSC 16
70#define AR_BSP 17
71#define AR_BSPSTORE 18
72#define AR_RNAT 19
73/* AR 20 reserved */
74#define AR_FCR 21
75/* AR 22-23 reserved */
76#define AR_EFLAG 24
77#define AR_CSD 25
78#define AR_SSD 26
79#define AR_CFLG 27
80#define AR_FSR 28
81#define AR_FIR 29
82#define AR_FDR 30
83/* AR 31 reserved */
84#define AR_CCV 32
85/* AR 33-35 reserved */
86#define AR_UNAT 36
87/* AR 37-39 reserved */
88#define AR_FPSR 40
89/* AR 41-43 reserved */
90#define AR_ITC 44
91/* AR 45-47 reserved */
92/* AR 48-63 ignored */
93#define AR_PFS 64
94#define AR_LC 65
95#define AR_EC 66
96/* AR 67-111 reserved */
97/* AR 112-127 ignored */
98
99/** Control registers. */
100#define CR_DCR 0
101#define CR_ITM 1
102#define CR_IVA 2
103/* CR3-CR7 reserved */
104#define CR_PTA 8
105/* CR9-CR15 reserved */
106#define CR_IPSR 16
107#define CR_ISR 17
108/* CR18 reserved */
109#define CR_IIP 19
110#define CR_IFA 20
111#define CR_ITIR 21
112#define CR_IIPA 22
113#define CR_IFS 23
114#define CR_IIM 24
115#define CR_IHA 25
116/* CR26-CR63 reserved */
117#define CR_LID 64
118#define CR_IVR 65
119#define CR_TPR 66
120#define CR_EOI 67
121#define CR_IRR0 68
122#define CR_IRR1 69
123#define CR_IRR2 70
124#define CR_IRR3 71
125#define CR_ITV 72
126#define CR_PMV 73
127#define CR_CMCV 74
128/* CR75-CR79 reserved */
129#define CR_LRR0 80
130#define CR_LRR1 81
131/* CR82-CR127 reserved */
132
133#ifndef __ASM__
134
135#include <arch/types.h>
136
137/** Processor Status Register. */
138union psr {
139 uint64_t value;
140 struct {
141 unsigned : 1;
142 unsigned be : 1; /**< Big-Endian data accesses. */
143 unsigned up : 1; /**< User Performance monitor enable. */
144 unsigned ac : 1; /**< Alignment Check. */
145 unsigned mfl : 1; /**< Lower floating-point register written. */
146 unsigned mfh : 1; /**< Upper floating-point register written. */
147 unsigned : 7;
148 unsigned ic : 1; /**< Interruption Collection. */
149 unsigned i : 1; /**< Interrupt Bit. */
150 unsigned pk : 1; /**< Protection Key enable. */
151 unsigned : 1;
152 unsigned dt : 1; /**< Data address Translation. */
153 unsigned dfl : 1; /**< Disabled Floating-point Low register set. */
154 unsigned dfh : 1; /**< Disabled Floating-point High register set. */
155 unsigned sp : 1; /**< Secure Performance monitors. */
156 unsigned pp : 1; /**< Privileged Performance monitor enable. */
157 unsigned di : 1; /**< Disable Instruction set transition. */
158 unsigned si : 1; /**< Secure Interval timer. */
159 unsigned db : 1; /**< Debug Breakpoint fault. */
160 unsigned lp : 1; /**< Lower Privilege transfer trap. */
161 unsigned tb : 1; /**< Taken Branch trap. */
162 unsigned rt : 1; /**< Register Stack Translation. */
163 unsigned : 4;
164 unsigned cpl : 2; /**< Current Privilege Level. */
165 unsigned is : 1; /**< Instruction Set. */
166 unsigned mc : 1; /**< Machine Check abort mask. */
167 unsigned it : 1; /**< Instruction address Translation. */
168 unsigned id : 1; /**< Instruction Debug fault disable. */
169 unsigned da : 1; /**< Disable Data Access and Dirty-bit faults. */
170 unsigned dd : 1; /**< Data Debug fault disable. */
171 unsigned ss : 1; /**< Single Step enable. */
172 unsigned ri : 2; /**< Restart Instruction. */
173 unsigned ed : 1; /**< Exception Deferral. */
174 unsigned bn : 1; /**< Register Bank. */
175 unsigned ia : 1; /**< Disable Instruction Access-bit faults. */
176 } __attribute__ ((packed));
177};
178typedef union psr psr_t;
179
180/** Register Stack Configuration Register */
181union rsc {
182 uint64_t value;
183 struct {
184 unsigned mode : 2;
185 unsigned pl : 2; /**< Privilege Level. */
186 unsigned be : 1; /**< Big-endian. */
187 unsigned : 11;
188 unsigned loadrs : 14;
189 } __attribute__ ((packed));
190};
191typedef union rsc rsc_t;
192
193/** External Interrupt Vector Register */
194union cr_ivr {
195 uint8_t vector;
196 uint64_t value;
197};
198
199typedef union cr_ivr cr_ivr_t;
200
201/** Task Priority Register */
202union cr_tpr {
203 struct {
204 unsigned : 4;
205 unsigned mic: 4; /**< Mask Interrupt Class. */
206 unsigned : 8;
207 unsigned mmi: 1; /**< Mask Maskable Interrupts. */
208 } __attribute__ ((packed));
209 uint64_t value;
210};
211
212typedef union cr_tpr cr_tpr_t;
213
214/** Interval Timer Vector */
215union cr_itv {
216 struct {
217 unsigned vector : 8;
218 unsigned : 4;
219 unsigned : 1;
220 unsigned : 3;
221 unsigned m : 1; /**< Mask. */
222 } __attribute__ ((packed));
223 uint64_t value;
224};
225
226typedef union cr_itv cr_itv_t;
227
228/** Interruption Status Register */
229union cr_isr {
230 struct {
231 union {
232 /** General Exception code field structuring. */
233 struct {
234 unsigned ge_na : 4;
235 unsigned ge_code : 4;
236 } __attribute__ ((packed));
237 uint16_t code;
238 };
239 uint8_t vector;
240 unsigned : 8;
241 unsigned x : 1; /**< Execute exception. */
242 unsigned w : 1; /**< Write exception. */
243 unsigned r : 1; /**< Read exception. */
244 unsigned na : 1; /**< Non-access exception. */
245 unsigned sp : 1; /**< Speculative load exception. */
246 unsigned rs : 1; /**< Register stack. */
247 unsigned ir : 1; /**< Incomplete Register frame. */
248 unsigned ni : 1; /**< Nested Interruption. */
249 unsigned so : 1; /**< IA-32 Supervisor Override. */
250 unsigned ei : 2; /**< Excepting Instruction. */
251 unsigned ed : 1; /**< Exception Deferral. */
252 unsigned : 20;
253 } __attribute__ ((packed));
254 uint64_t value;
255};
256
257typedef union cr_isr cr_isr_t;
258
259/** CPUID Register 3 */
260union cpuid3 {
261 struct {
262 uint8_t number;
263 uint8_t revision;
264 uint8_t model;
265 uint8_t family;
266 uint8_t archrev;
267 } __attribute__ ((packed));
268 uint64_t value;
269};
270
271typedef union cpuid3 cpuid3_t;
272
273#endif /* !__ASM__ */
274
275#endif
276
277/** @}
278 */
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