source: rtems/c/src/lib/libbsp/powerpc/score603e/startup/spurious.c @ 5f0a4c81

4.104.114.84.95
Last change on this file since 5f0a4c81 was 5f0a4c81, checked in by Ralf Corsepius <ralf.corsepius@…>, on 02/15/05 at 06:00:05

2005-02-14 Ralf Corsepius <ralf.corsepius@…>

  • startup/spurious.c: Merge ppc603 and ppc603e. Remove digits (Unused).
  • Property mode set to 100644
File size: 5.0 KB
Line 
1/*
2 *  Score603e Spurious Trap Handler
3 *
4 *  This is just enough of a trap handler to let us know what
5 *  the likely source of the trap was.
6 *
7 *  Developed as part of the port of RTEMS to the ERC32 implementation
8 *  of the SPARC by On-Line Applications Research Corporation (OAR)
9 *  under contract to the European Space Agency (ESA).
10 *
11 *  COPYRIGHT (c) 1995. European Space Agency.
12 *
13 *  This terms of the RTEMS license apply to this file.
14 *
15 *  $Id$
16 */
17
18#include <bsp.h>
19
20#include <string.h>
21
22rtems_isr bsp_stub_handler(
23   rtems_vector_number trap
24)
25{
26}
27
28/*
29 *  bsp_spurious_handler
30 *
31 *  Print a message on the debug console and then die
32 */
33rtems_isr bsp_spurious_handler(
34   rtems_vector_number trap
35)
36{
37
38  switch ( trap ) {
39    case PPC_IRQ_SYSTEM_RESET:
40      DEBUG_puts( "\nTrap: System reset" );
41      break;
42    case PPC_IRQ_MCHECK:
43      DEBUG_puts( "\nTrap: Machine check" );
44      break;
45    case PPC_IRQ_PROTECT:
46      DEBUG_puts( "\nTrap: DSI" );
47      break;
48    case PPC_IRQ_ISI:
49      DEBUG_puts( "ISI" );
50      break;
51    case PPC_IRQ_EXTERNAL:
52      DEBUG_puts( "\nTrap: External interupt" );
53      break;
54    case PPC_IRQ_ALIGNMENT:
55      DEBUG_puts( "\nTrap: Alignment Exception" );
56      break;
57    case PPC_IRQ_PROGRAM:
58      DEBUG_puts( "\nTrap: Program" );
59      break;
60    case PPC_IRQ_NOFP:
61      DEBUG_puts( "\nTrap: Floating point unavailable" );
62      break;
63    case PPC_IRQ_DECREMENTER:
64      DEBUG_puts( "\nTrap: Decrementer" );
65      break;
66    case PPC_IRQ_RESERVED_A:
67      DEBUG_puts( "\nTrap: Reserved 0x00a00" );
68      break;
69    case PPC_IRQ_RESERVED_B:
70      DEBUG_puts( "\nTrap: Reserved 0x00b00" );
71      break;
72    case PPC_IRQ_SCALL:
73      DEBUG_puts( "\nTrap: System call" );
74      break;
75    case PPC_IRQ_TRACE:
76      DEBUG_puts( "\nTrap: Trace" );
77      break;
78    case PPC_IRQ_FP_ASST:
79      DEBUG_puts( "\nTrap: Floating point Assist" );
80      break;
81
82#if defined(ppc403)
83#error "Please fill in names. "
84    case PPC_IRQ_CRIT :
85      DEBUG_puts( "\nTrap: Critical Error ");
86      break;
87    case PPC_IRQ_PIT:
88      DEBUG_puts( "\nTrap: 0x01000" );
89      break;
90    case PPC_IRQ_FIT:
91      DEBUG_puts( "\nTrap: 0x01010" );
92      break;
93    case PPC_IRQ_WATCHDOG :
94      DEBUG_puts( "\nTrap: 0x01020" );
95      break;
96    case PPC_IRQ_DEBUG   :
97      DEBUG_puts( "\nTrap: 0x02000" );
98      break;
99
100#elif defined(ppc601)
101#error "Please fill in names. "
102    case PPC_IRQ_TRACE    :
103      DEBUG_puts( "\nTrap: 0x02000" );
104      break;
105
106#elif defined(ppc603) || defined(ppc603e)
107    case PPC_IRQ_TRANS_MISS:
108      DEBUG_puts( "\nTrap: Instruction Translation Miss" );
109      break;
110    case PPC_IRQ_DATA_LOAD:
111      DEBUG_puts( "\nTrap: Data Load Translation Miss" );
112      break;
113    case PPC_IRQ_DATA_STORE:
114      DEBUG_puts( "\nTrap: Data store Translation Miss");
115      break;
116    case PPC_IRQ_ADDR_BRK:
117      DEBUG_puts( "\nTrap: Instruction address break point" );
118      break;
119    case PPC_IRQ_SYS_MGT:
120      DEBUG_puts( "\nTrap: System management interrupt" );
121      break;
122
123#elif defined(mpc604)
124#error "Please fill in names. "
125    case PPC_IRQ_ADDR_BRK:
126      DEBUG_puts( "0x1300" );
127      break;
128    case PPC_IRQ_SYS_MGT:
129      DEBUG_puts( "0x1400" );
130      break;
131#endif
132
133  default:
134     DEBUG_puts( "\nTrap: Undefined exception " );
135     break;
136  }
137
138  /*
139   *  What else can we do but stop ...
140   */
141  /*
142   asm volatile( "" );
143   */
144   while (1);
145}
146
147/*
148 *  bsp_spurious_initialize
149 *
150 *  Install the spurious handler for most traps.
151 */
152
153void bsp_spurious_initialize()
154{
155  uint32_t         trap;
156
157  for ( trap=0 ; trap < PPC_IRQ_LAST ; trap++ ) {
158    if (trap == PPC_IRQ_DECREMENTER)
159      ;
160      /* set_vector( bsp_stub_handler, trap, 1 ); */
161    else
162      set_vector( bsp_spurious_handler, trap,  1 );
163  }
164}
165
166void bsp_set_trap_vectors( void )
167{
168  volatile uint32_t         *ptr;
169
170  /* reset_vector  */
171  ptr = (uint32_t*)0x00100  ;
172  *ptr = 0x48000000;
173
174  /* org    mach_vector  */
175  ptr = (uint32_t*)0x00200;
176  *ptr = 0x48000000;
177
178  /* org    prot_vector  */
179  ptr = (uint32_t*)0x00300;
180  *ptr = 0x48000000;
181
182  /* org    isi_vector  */
183  ptr = (uint32_t*)0x00400;
184  *ptr = 0x48000000;
185
186  /* org    ext_vector  */
187  ptr = (uint32_t*)0x0500  ;
188  *ptr = 0x48000000;
189
190  /* org    align_vector  */
191  ptr = (uint32_t*)0x00600  ;
192  *ptr = 0x48000000;
193
194  /* org    prog_vector  */
195  ptr = (uint32_t*)0x00700  ;
196  *ptr = 0x48000000;
197
198  /* org    float_vector  */
199  ptr = (uint32_t*)0x00800;
200  *ptr = 0x48000000;
201
202  /* org    dec_vector  - rfi */
203  ptr = (uint32_t*)0x900;
204  *ptr = 0x4c000064;
205
206  /* org    sys_vector  */
207  ptr = (uint32_t*)0x0c00  ;
208  *ptr = 0x48000000;
209
210  /* org    trace_vector  */
211  ptr = (uint32_t*)0x0d00  ;
212  *ptr = 0x48000000;
213
214  /* org    itm_vector  */
215  ptr = (uint32_t*)0x01000  ;
216  *ptr = 0x48000000;
217
218  /* org    dltm_vector  */
219  ptr = (uint32_t*)0x01100  ;
220  *ptr = 0x48000000;
221
222  /* org    dstm_vector  */
223  ptr = (uint32_t*)0x1200  ;
224  *ptr = 0x48000000;
225
226  /* org    addr_vector  */
227  ptr = (uint32_t*)0x1300  ;
228  *ptr = 0x48000000;
229
230  /* org    sysmgmt_vector  */
231  ptr = (uint32_t*)0x1400  ;
232  *ptr = 0x48000000;
233
234}
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