source: rtems/c/src/exec/score/cpu/powerpc/ppc.h @ 5c491aef

4.104.114.84.95
Last change on this file since 5c491aef was 5c491aef, checked in by Joel Sherrill <joel.sherrill@…>, on Dec 20, 1995 at 3:39:19 PM

changes remerged after lost in disk crash -- recovered from snapshot, partially recovered working tree, etc

  • Property mode set to 100644
File size: 7.7 KB
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1/*  ppc.h
2 *
3 *  This file contains definitions for the IBM/Motorola PowerPC
4 *  family members.
5 *
6 *  Author:     Andrew Bray <andy@i-cubed.co.uk>
7 *
8 *  COPYRIGHT (c) 1995 by i-cubed ltd.
9 *
10 *  To anyone who acknowledges that this file is provided "AS IS"
11 *  without any express or implied warranty:
12 *      permission to use, copy, modify, and distribute this file
13 *      for any purpose is hereby granted without fee, provided that
14 *      the above copyright notice and this notice appears in all
15 *      copies, and that the name of i-cubed limited not be used in
16 *      advertising or publicity pertaining to distribution of the
17 *      software without specific, written prior permission.
18 *      i-cubed limited makes no representations about the suitability
19 *      of this software for any purpose.
20 *
21 *  Derived from c/src/exec/cpu/no_cpu/no_cpu.h:
22 *
23 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
24 *  On-Line Applications Research Corporation (OAR).
25 *
26 *  This material may be reproduced by or for the U.S. Government pursuant
27 *  to the copyright license under the clause at DFARS 252.227-7013.  This
28 *  notice must appear in all copies of this file and its derivatives.
29 *
30 *
31 * Note:
32 *      This file is included by both C and assembler code ( -DASM )
33 *
34 *  $Id$
35 */
36
37#ifndef _INCLUDE_PPC_h
38#define _INCLUDE_PPC_h
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/*
45 *  The following define the CPU Family and Model within the family
46 *
47 *  NOTE: The string "REPLACE_THIS_WITH_THE_CPU_MODEL" is replaced
48 *        with the name of the appropriate macro for this target CPU.
49 */
50 
51#ifdef ppc
52#undef ppc
53#endif
54#define ppc
55
56#ifdef REPLACE_THIS_WITH_THE_CPU_MODEL
57#undef REPLACE_THIS_WITH_THE_CPU_MODEL
58#endif
59#define REPLACE_THIS_WITH_THE_CPU_MODEL
60 
61#ifdef REPLACE_THIS_WITH_THE_BSP
62#undef REPLACE_THIS_WITH_THE_BSP
63#endif
64#define REPLACE_THIS_WITH_THE_BSP
65
66/*
67 *  This file contains the information required to build
68 *  RTEMS for a particular member of the "no cpu"
69 *  family when executing in protected mode.  It does
70 *  this by setting variables to indicate which implementation
71 *  dependent features are present in a particular member
72 *  of the family.
73 */
74 
75#if defined(ppc403)
76 
77#define CPU_MODEL_NAME  "PowerPC 403"
78
79#define PPC_ALIGNMENT           4
80#define PPC_CACHE_ALIGNMENT     16
81#define PPC_CACHE_ALIGN_POWER   4
82#define PPC_INTERRUPT_MAX       16
83#define PPC_HAS_FPU             0
84#define PPC_HAS_DOUBLE          0
85#define PPC_HAS_RFCI            1
86#define PPC_MSR_DISABLE_MASK    0x00029200
87#define PPC_MSR_INITIAL         0x00000000
88#define PPC_INIT_FPSCR          0x00000000
89#define PPC_USE_MULTIPLE        1
90#define PPC_I_CACHE             2048
91#define PPC_D_CACHE             1024
92
93#define PPC_MSR_0               0x00029200
94#define PPC_MSR_1               0x00021200
95#define PPC_MSR_2               0x00021000
96#define PPC_MSR_3               0x00000000
97
98#elif defined(ppc601)
99 
100#define CPU_MODEL_NAME  "PowerPC 601"
101
102#define PPC_ALIGNMENT           8
103#define PPC_CACHE_ALIGNMENT     32
104#define PPC_CACHE_ALIGN_POWER   5
105#define PPC_INTERRUPT_MAX       16
106#define PPC_HAS_FPU             1
107#define PPC_HAS_DOUBLE          1
108#define PPC_HAS_RFCI            0
109#define PPC_MSR_DISABLE_MASK    0x00009900
110#define PPC_MSR_INITIAL         0x00002000
111#define PPC_INIT_FPSCR          0x000000f8
112#define PPC_USE_MULTIPLE        1
113#define PPC_I_CACHE             0
114#define PPC_D_CACHE             32768
115
116#define PPC_MSR_0               0x00009900
117#define PPC_MSR_1               0x00001000
118#define PPC_MSR_2               0x00001000
119#define PPC_MSR_3               0x00000000
120 
121#elif defined(ppc602)
122 
123#define CPU_MODEL_NAME  "PowerPC 602"
124
125#define PPC_ALIGNMENT           4
126#define PPC_CACHE_ALIGNMENT     32
127#define PPC_CACHE_ALIGN_POWER   5
128#define PPC_INTERRUPT_MAX       16
129#define PPC_HAS_FPU             1
130#define PPC_HAS_DOUBLE          0
131#define PPC_HAS_RFCI            0
132#define PPC_MSR_DISABLE_MASK   
133#define PPC_MSR_INITIAL         
134#define PPC_INIT_FPSCR         
135#define PPC_USE_MULTIPLE        0
136#define PPC_I_CACHE             4096
137#define PPC_D_CACHE             4096
138
139#elif defined(ppc603)
140 
141#define CPU_MODEL_NAME  "PowerPC 603"
142
143#define PPC_ALIGNMENT           8
144#define PPC_CACHE_ALIGNMENT     32
145#define PPC_CACHE_ALIGN_POWER   5
146#define PPC_INTERRUPT_MAX       16
147#define PPC_HAS_FPU             1
148#define PPC_HAS_DOUBLE          1
149#define PPC_HAS_RFCI            0
150#define PPC_MSR_DISABLE_MASK    0x00009900
151#define PPC_MSR_INITIAL         0x00002000
152#define PPC_INIT_FPSCR          0x000000f8
153#define PPC_USE_MULTIPLE        0
154#define PPC_I_CACHE             8192
155#define PPC_D_CACHE             8192
156
157#define PPC_MSR_0               0x00009900
158#define PPC_MSR_1               0x00001000
159#define PPC_MSR_2               0x00001000
160#define PPC_MSR_3               0x00000000
161
162#elif defined(ppc603e)
163 
164#define CPU_MODEL_NAME  "PowerPC 603e"
165
166#define PPC_ALIGNMENT           8
167#define PPC_CACHE_ALIGNMENT     32
168#define PPC_CACHE_ALIGN_POWER   5
169#define PPC_INTERRUPT_MAX       16
170#define PPC_HAS_FPU             1
171#define PPC_HAS_DOUBLE          1
172#define PPC_HAS_RFCI            0
173#define PPC_MSR_DISABLE_MASK    0x00009900
174#define PPC_MSR_INITIAL         0x00002000
175#define PPC_INIT_FPSCR          0x000000f8
176#define PPC_USE_MULTIPLE        0
177#define PPC_I_CACHE             16384
178#define PPC_D_CACHE             16384
179
180#define PPC_MSR_0               0x00009900
181#define PPC_MSR_1               0x00001000
182#define PPC_MSR_2               0x00001000
183#define PPC_MSR_3               0x00000000
184
185#elif defined(ppc604)
186 
187#define CPU_MODEL_NAME  "PowerPC 604"
188
189#define PPC_ALIGNMENT           8
190#define PPC_CACHE_ALIGNMENT     32
191#define PPC_CACHE_ALIGN_POWER   5
192#define PPC_INTERRUPT_MAX       16
193#define PPC_HAS_FPU             1
194#define PPC_HAS_DOUBLE          1
195#define PPC_HAS_RFCI            0
196#define PPC_MSR_DISABLE_MASK    0x00009900
197#define PPC_MSR_INITIAL         0x00002000
198#define PPC_INIT_FPSCR          0x000000f8
199#define PPC_USE_MULTIPLE        0
200#define PPC_I_CACHE             16384
201#define PPC_D_CACHE             16384
202 
203#define PPC_MSR_0               0x00009900
204#define PPC_MSR_1               0x00001000
205#define PPC_MSR_2               0x00001000
206#define PPC_MSR_3               0x00000000
207
208#else
209 
210#error "Unsupported CPU Model"
211 
212#endif
213
214/*
215 *  Application binary interfaces.
216 *  PPC_ABI MUST be defined as one of these.
217 *  Only PPC_ABI_POWEROPEN is currently fully supported.
218 *  Only EABI will be supported in the end when
219 *  the tools are there.
220 *  Only big endian is currently supported.
221 */
222/*
223 *  PowerOpen ABI.  This is Andy's hack of the
224 *  PowerOpen ABI to ELF.  ELF rather than a
225 *  XCOFF assembler is used.  This may work
226 *  if PPC_ASM == PPC_ASM_XCOFF is defined.
227 */
228#define PPC_ABI_POWEROPEN       0
229/*
230 *  GCC 2.7.0 munched version of EABI, with
231 *  PowerOpen calling convention and stack frames,
232 *  but EABI style indirect function calls.
233 */
234#define PPC_ABI_GCC27           1
235/*
236 *  SVR4 ABI
237 */
238#define PPC_ABI_SVR4            2
239/*
240 *  Embedded ABI
241 */
242#define PPC_ABI_EABI            3
243
244#if (PPC_ABI == PPC_ABI_POWEROPEN)
245#define PPC_STACK_ALIGNMENT     8
246#elif (PPC_ABI == PPC_ABI_GCC27)
247#define PPC_STACK_ALIGNMENT     8
248#elif (PPC_ABI == PPC_ABI_SVR4)
249#define PPC_STACK_ALIGNMENT     16
250#elif (PPC_ABI == PPC_ABI_EABI)
251#define PPC_STACK_ALIGNMENT     8
252#else
253#error  "PPC_ABI is not properly defined"
254#endif
255#ifndef PPC_ABI
256#error  "PPC_ABI is not properly defined"
257#endif
258
259/*
260 *  Assemblers.
261 *  PPC_ASM MUST be defined as one of these.
262 *  Only PPC_ABI_ELF is currently fully supported.
263 */
264/*
265 *  ELF assembler. Currently used for all ABIs.
266 */
267#define PPC_ASM_ELF             0
268/*
269 *  XCOFF assembler, may be needed for PowerOpen ABI.
270 */
271#define PPC_ASM_XCOFF           1
272
273/*
274 *  Define the name of the CPU family.
275 */
276
277#define CPU_NAME "PowerPC"
278
279/*
280 *  Interrupt vectors.
281 */
282/* Machine check */
283#define PPC_IRQ_MCHECK          0
284/* Protection violation */
285#define PPC_IRQ_PROTECT         1
286/* External interrupt */
287#define PPC_IRQ_EXTERNAL        2
288/* Program exception */
289#define PPC_IRQ_PROGRAM         3
290/* System call */
291#define PPC_IRQ_SCALL           4
292/* Floating point unavailable */
293#define PPC_IRQ_NOFP            5
294/* Program interval timer */
295#define PPC_IRQ_PIT             6
296/* Fixed interval timer */
297#define PPC_IRQ_FIT             7
298/* Critical interrupt pin */
299#define PPC_IRQ_CRIT            8
300/* Watchdog timer */
301#define PPC_IRQ_WATCHDOG        9
302/* Debug exceptions */
303#define PPC_IRQ_DEBUG           10
304
305/*
306 *  The following exceptions are not maskable, and are not
307 *  necessarily predictable, so cannot be offered to RTEMS:
308 *    Alignment exception - handled by the CPU module
309 *    Data exceptions.
310 *    Instruction exceptions.
311 */
312
313#ifdef __cplusplus
314}
315#endif
316
317#endif /* ! _INCLUDE_PPC_h */
318/* end of include file */
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