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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [powerpc/] [ppcn_60x/] [startup/] [spurious.c] - Blame information for rev 30

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/*
 *  PPCn_60x Spurious Trap Handler
 *
 *  This is just enough of a trap handler to let us know what
 *  the likely source of the trap was.
 *
 *  Based upon the SPARC ERC32 version which was developed as
 *  part of the port of RTEMS to the ERC32 implementation
 *  of the SPARC by On-Line Applications Research Corporation (OAR)
 *  under contract to the European Space Agency (ESA).
 *
 *  COPYRIGHT (c) 1995. European Space Agency.
 *
 *  This terms of the RTEMS license apply to this file.
 *
 *  $Id: spurious.c,v 1.2 2001-09-27 12:00:55 chris Exp $
 */
 
#include <bsp.h>
 
#include <string.h>
 
static const char digits[16] = "0123456789abcdef";
 
rtems_isr bsp_stub_handler(
   rtems_vector_number trap
)
{
}
 
/*
 *  bsp_spurious_handler
 *
 *  Print a message on the debug console and then die
 */
rtems_isr bsp_spurious_handler(
   rtems_vector_number trap
)
{
 
 
 
  DEBUG_puts( "Spurious Trap" );
 
  switch ( trap ) {
    case PPC_IRQ_SYSTEM_RESET:
      DEBUG_puts( "System reset" );
      break;
    case PPC_IRQ_MCHECK:
      DEBUG_puts( "Machine check" );
      break;
    case PPC_IRQ_PROTECT:
      DEBUG_puts( "DSI" );
      break;
    case PPC_IRQ_ISI:
      DEBUG_puts( "ISI" );
      break;
    case PPC_IRQ_EXTERNAL:
      DEBUG_puts( "External interupt" );
      break;
    case PPC_IRQ_ALIGNMENT:
      DEBUG_puts( "Alignment Exception" );
      break;
    case PPC_IRQ_PROGRAM:
      DEBUG_puts( "Program" );
      break;
    case PPC_IRQ_NOFP:
      DEBUG_puts( "Floating point unavailable" );
      break;
    case PPC_IRQ_DECREMENTER:
      DEBUG_puts( "Decrementer" );
      break;
    case PPC_IRQ_RESERVED_A:
      DEBUG_puts( "Reserved 0x00a00" );
      break;
    case PPC_IRQ_RESERVED_B:
      DEBUG_puts( "Reserved 0x00b00" );
      break;
    case PPC_IRQ_SCALL:
      DEBUG_puts( "System call" );
      break;
    case PPC_IRQ_TRACE:
      DEBUG_puts( "Trace" );
      break;
    case PPC_IRQ_FP_ASST:
      DEBUG_puts( "Floating point Assist" );
      break;
 
#if defined(ppc403)
#error "Please fill in names. "                                  
    case PPC_IRQ_CRIT :
      DEBUG_puts( "Critical Error ");
      break;
    case PPC_IRQ_PIT:
      DEBUG_puts( "0x01000" );
      break;
    case PPC_IRQ_FIT:
      DEBUG_puts( "0x01010" );
      break;
    case PPC_IRQ_WATCHDOG :
      DEBUG_puts( "0x01020" );
      break;
    case PPC_IRQ_DEBUG   :
      DEBUG_puts( "0x02000" );
      break;
 
#elif defined(ppc601)
#error "Please fill in names. "                                  
    case PPC_IRQ_TRACE    :
      DEBUG_puts( "0x02000" );
      break;
 
#elif defined(ppc603)
#error "Please fill in names. "                                  
    case PPC_IRQ_TRANS_MISS :
      DEBUG_puts( "0x1000" );
      break;
    case PPC_IRQ_DATA_LOAD:
      DEBUG_puts( "0x1100" );
      break;
    case PPC_IRQ_DATA_STORE:
      DEBUG_puts( "0x1200" );
      break;
    case PPC_IRQ_ADDR_BRK:
      DEBUG_puts( "0x1300" );
      break;
    case PPC_IRQ_SYS_MGT:
      DEBUG_puts( "0x1400" );
      break;
 
#elif defined(ppc603e)
    case PPC_TLB_INST_MISS:
      DEBUG_puts( "Instruction Translation Miss" );
      break;
    case PPC_TLB_LOAD_MISS:
      DEBUG_puts( "Data Load Translation Miss" );
      break;
    case PPC_TLB_STORE_MISS :
      DEBUG_puts( "Data store Translation Miss");
      break;
    case PPC_IRQ_ADDRBRK:
      DEBUG_puts( "Instruction address break point" );
      break;
    case PPC_IRQ_SYS_MGT:
      DEBUG_puts( "System management interrupt" );
      break;
 
#elif defined(ppc604)
#error "Please fill in names. "                                  
    case PPC_IRQ_ADDR_BRK:
      DEBUG_puts( "0x1300" );
      break;
    case PPC_IRQ_SYS_MGT:
      DEBUG_puts( "0x1400" );
      break;
#endif
 
  default:
     DEBUG_puts( "Undefined exception " );
     break;
  }
 
  /*
   *  What else can we do but stop ...
   */
  /*
   asm volatile( "" );
   */
}
 
/*
 *  bsp_spurious_initialize
 *
 *  Install the spurious handler for most traps.
 */
 
void bsp_spurious_initialize()
{
  rtems_unsigned32 trap;
 
  for ( trap=0 ; trap < PPC_IRQ_LAST ; trap++ ) {
 
    /*
     *  Skip window overflow, underflow, and flush as well as software
     *  trap 0 which we will use as a shutdown.
     */
 
    set_vector( bsp_spurious_handler, trap,  1 );
  }
 
  set_vector( bsp_stub_handler, PPC_IRQ_DECREMENTER, 1 );
  set_vector( bsp_stub_handler, PPC_IRQ_TRACE, 1 );
  set_vector( bsp_stub_handler, PPC_IRQ_SYS_MGT, 1 );
}
 
 
 
 
 
 
 
 

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [powerpc/] [ppcn_60x/] [startup/] [spurious.c] - Blame information for rev 30

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* PPCn_60x 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			`* Based upon the SPARC ERC32 version which was developed as`
8			`* part of the port of RTEMS to the ERC32 implementation`
9			`* of the SPARC by On-Line Applications Research Corporation (OAR)`
10			`* under contract to the European Space Agency (ESA).`
11			`*`
12			`* COPYRIGHT (c) 1995. European Space Agency.`
13			`*`
14			`* This terms of the RTEMS license apply to this file.`
15			`*`
16			`* $Id: spurious.c,v 1.2 2001-09-27 12:00:55 chris Exp $`
17			`*/`
18
19			`#include <bsp.h>`
20
21			`#include <string.h>`
22
23			`static const char digits[16] = "0123456789abcdef";`
24
25			`rtems_isr bsp_stub_handler(`
26			`rtems_vector_number trap`
27			`)`
28			`{`
29			`}`
30
31			`/*`
32			`* bsp_spurious_handler`
33			`*`
34			`* Print a message on the debug console and then die`
35			`*/`
36			`rtems_isr bsp_spurious_handler(`
37			`rtems_vector_number trap`
38			`)`
39			`{`
40
41
42
43			`DEBUG_puts( "Spurious Trap" );`
44
45			`switch ( trap ) {`
46			`case PPC_IRQ_SYSTEM_RESET:`
47			`DEBUG_puts( "System reset" );`
48			`break;`
49			`case PPC_IRQ_MCHECK:`
50			`DEBUG_puts( "Machine check" );`
51			`break;`
52			`case PPC_IRQ_PROTECT:`
53			`DEBUG_puts( "DSI" );`
54			`break;`
55			`case PPC_IRQ_ISI:`
56			`DEBUG_puts( "ISI" );`
57			`break;`
58			`case PPC_IRQ_EXTERNAL:`
59			`DEBUG_puts( "External interupt" );`
60			`break;`
61			`case PPC_IRQ_ALIGNMENT:`
62			`DEBUG_puts( "Alignment Exception" );`
63			`break;`
64			`case PPC_IRQ_PROGRAM:`
65			`DEBUG_puts( "Program" );`
66			`break;`
67			`case PPC_IRQ_NOFP:`
68			`DEBUG_puts( "Floating point unavailable" );`
69			`break;`
70			`case PPC_IRQ_DECREMENTER:`
71			`DEBUG_puts( "Decrementer" );`
72			`break;`
73			`case PPC_IRQ_RESERVED_A:`
74			`DEBUG_puts( "Reserved 0x00a00" );`
75			`break;`
76			`case PPC_IRQ_RESERVED_B:`
77			`DEBUG_puts( "Reserved 0x00b00" );`
78			`break;`
79			`case PPC_IRQ_SCALL:`
80			`DEBUG_puts( "System call" );`
81			`break;`
82			`case PPC_IRQ_TRACE:`
83			`DEBUG_puts( "Trace" );`
84			`break;`
85			`case PPC_IRQ_FP_ASST:`
86			`DEBUG_puts( "Floating point Assist" );`
87			`break;`
88
89			`#if defined(ppc403)`
90			`#error "Please fill in names. "`
91			`case PPC_IRQ_CRIT :`
92			`DEBUG_puts( "Critical Error ");`
93			`break;`
94			`case PPC_IRQ_PIT:`
95			`DEBUG_puts( "0x01000" );`
96			`break;`
97			`case PPC_IRQ_FIT:`
98			`DEBUG_puts( "0x01010" );`
99			`break;`
100			`case PPC_IRQ_WATCHDOG :`
101			`DEBUG_puts( "0x01020" );`
102			`break;`
103			`case PPC_IRQ_DEBUG :`
104			`DEBUG_puts( "0x02000" );`
105			`break;`
106
107			`#elif defined(ppc601)`
108			`#error "Please fill in names. "`
109			`case PPC_IRQ_TRACE :`
110			`DEBUG_puts( "0x02000" );`
111			`break;`
112
113			`#elif defined(ppc603)`
114			`#error "Please fill in names. "`
115			`case PPC_IRQ_TRANS_MISS :`
116			`DEBUG_puts( "0x1000" );`
117			`break;`
118			`case PPC_IRQ_DATA_LOAD:`
119			`DEBUG_puts( "0x1100" );`
120			`break;`
121			`case PPC_IRQ_DATA_STORE:`
122			`DEBUG_puts( "0x1200" );`
123			`break;`
124			`case PPC_IRQ_ADDR_BRK:`
125			`DEBUG_puts( "0x1300" );`
126			`break;`
127			`case PPC_IRQ_SYS_MGT:`
128			`DEBUG_puts( "0x1400" );`
129			`break;`
130
131			`#elif defined(ppc603e)`
132			`case PPC_TLB_INST_MISS:`
133			`DEBUG_puts( "Instruction Translation Miss" );`
134			`break;`
135			`case PPC_TLB_LOAD_MISS:`
136			`DEBUG_puts( "Data Load Translation Miss" );`
137			`break;`
138			`case PPC_TLB_STORE_MISS :`
139			`DEBUG_puts( "Data store Translation Miss");`
140			`break;`
141			`case PPC_IRQ_ADDRBRK:`
142			`DEBUG_puts( "Instruction address break point" );`
143			`break;`
144			`case PPC_IRQ_SYS_MGT:`
145			`DEBUG_puts( "System management interrupt" );`
146			`break;`
147
148			`#elif defined(ppc604)`
149			`#error "Please fill in names. "`
150			`case PPC_IRQ_ADDR_BRK:`
151			`DEBUG_puts( "0x1300" );`
152			`break;`
153			`case PPC_IRQ_SYS_MGT:`
154			`DEBUG_puts( "0x1400" );`
155			`break;`
156			`#endif`
157
158			`default:`
159			`DEBUG_puts( "Undefined exception " );`
160			`break;`
161			`}`
162
163			`/*`
164			`* What else can we do but stop ...`
165			`*/`
166			`/*`
167			`asm volatile( "" );`
168			`*/`
169			`}`
170
171			`/*`
172			`* bsp_spurious_initialize`
173			`*`
174			`* Install the spurious handler for most traps.`
175			`*/`
176
177			`void bsp_spurious_initialize()`
178			`{`
179			`rtems_unsigned32 trap;`
180
181			`for ( trap=0 ; trap < PPC_IRQ_LAST ; trap++ ) {`
182
183			`/*`
184			`* Skip window overflow, underflow, and flush as well as software`
185			`* trap 0 which we will use as a shutdown.`
186			`*/`
187
188			`set_vector( bsp_spurious_handler, trap, 1 );`
189			`}`
190
191			`set_vector( bsp_stub_handler, PPC_IRQ_DECREMENTER, 1 );`
192			`set_vector( bsp_stub_handler, PPC_IRQ_TRACE, 1 );`
193			`set_vector( bsp_stub_handler, PPC_IRQ_SYS_MGT, 1 );`
194			`}`
195
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