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[/] [or1k/] [tags/] [nog_patch_58/] [or1ksim/] [testbench/] [support/] [support.c] - Blame information for rev 342

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/* Support */
 
#include <sys/time.h> 
#include "support.h"
 
void excpt_dummy();
 
unsigned long excpt_buserr = (unsigned long) excpt_dummy;
unsigned long excpt_dpfault = (unsigned long) excpt_dummy;
unsigned long excpt_ipfault = (unsigned long) excpt_dummy;
unsigned long excpt_lpint = (unsigned long) excpt_dummy;
unsigned long excpt_align = (unsigned long) excpt_dummy;
unsigned long excpt_illinsn = (unsigned long) excpt_dummy;
unsigned long excpt_hpint = (unsigned long) excpt_dummy;
unsigned long excpt_dtlbmiss = (unsigned long) excpt_dummy;
unsigned long excpt_itlbmiss = (unsigned long) excpt_dummy;
unsigned long excpt_range = (unsigned long) excpt_dummy;
unsigned long excpt_syscall = (unsigned long) excpt_dummy;
unsigned long excpt_break = (unsigned long) excpt_dummy;
unsigned long excpt_trap = (unsigned long) excpt_dummy;
 
#if OR1K
 
/* Start function, called by reset exception handler.  */
void reset ()
{
  int i = main();
  exit (i);
}
 
/* return value by making a syscall */
void exit (int i)
{
  asm("l.add r3,r0,%0": : "r" (i));
  asm("l.sys 203");
}
 
/* activate printf support in simulator */
void printf(const char *fmt, ...)
{
  va_list args;
  va_start(args, fmt);
  asm("l.addi\tr3,%0,0": :"r" (fmt));
  asm("l.addi\tr4,%0,0": :"r" (args));
  asm("l.sys 202");
}
 
/* print long */
void report(unsigned long value)
{
  unsigned long spr = 0x1234;
  asm("l.mtspr\t\t%0,%1,0x0" : : "r" (spr), "r" (value));
  return;
}
 
/* just to satisfy linker */
void __main()
{
}
 
/* start_TIMER                    */
void start_timer(int x)
{
}
 
/* read_TIMER                    */
/*  Returns a value since started in uS */
unsigned int read_timer(int x)
{
  unsigned long count = 0;
 
  /* Read the Time Stamp Counter */
/*        asm("simrdtsc %0" :"=r" (count)); */
  asm("l.sys 201");
  return count;
}
 
/* For writing into SPR. */
void mtspr(unsigned long spr, unsigned long value)
{
  asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
}
 
/* For reading SPR. */
unsigned long mfspr(unsigned long spr)
{
  unsigned long value;
  asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
  return value;
}
 
#else
void report(unsigned long value)
{
  unsigned long spr = 0x1234;
  printf("l.mtspr %x,%x\n", spr, value);
  return;
}
 
/* start_TIMER                    */
void start_timer(int tmrnum)
{
  return;
}
 
/* read_TIMER                    */
/*  Returns a value since started in uS */
unsigned int read_timer(int tmrnum)
{
  struct timeval tv;
  struct timezone tz;
 
  gettimeofday(&tv, &tz);
 
  return(tv.tv_sec*1000000+tv.tv_usec);
}
 
#endif
 
void *memcpy (void *__restrict dstvoid,
              __const void *__restrict srcvoid, size_t length)
{
  char *dst = dstvoid;
  const char *src = srcvoid;
 
  while (length--)
    *dst++ = *src++;
  return dst;
}
 
void excpt_dummy() {}

Line No.	Rev	Author	Line
1	226	markom	`/* Support */`
2
3			`#include <sys/time.h>`
4			`#include "support.h"`
5
6	342	markom	`void excpt_dummy();`
7
8			`unsigned long excpt_buserr = (unsigned long) excpt_dummy;`
9			`unsigned long excpt_dpfault = (unsigned long) excpt_dummy;`
10			`unsigned long excpt_ipfault = (unsigned long) excpt_dummy;`
11			`unsigned long excpt_lpint = (unsigned long) excpt_dummy;`
12			`unsigned long excpt_align = (unsigned long) excpt_dummy;`
13			`unsigned long excpt_illinsn = (unsigned long) excpt_dummy;`
14			`unsigned long excpt_hpint = (unsigned long) excpt_dummy;`
15			`unsigned long excpt_dtlbmiss = (unsigned long) excpt_dummy;`
16			`unsigned long excpt_itlbmiss = (unsigned long) excpt_dummy;`
17			`unsigned long excpt_range = (unsigned long) excpt_dummy;`
18			`unsigned long excpt_syscall = (unsigned long) excpt_dummy;`
19			`unsigned long excpt_break = (unsigned long) excpt_dummy;`
20			`unsigned long excpt_trap = (unsigned long) excpt_dummy;`
21
22	226	markom	`#if OR1K`
23
24			`/* Start function, called by reset exception handler. */`
25			`void reset ()`
26			`{`
27			`int i = main();`
28			`exit (i);`
29			`}`
30
31			`/* return value by making a syscall */`
32			`void exit (int i)`
33			`{`
34			`asm("l.add r3,r0,%0": : "r" (i));`
35			`asm("l.sys 203");`
36			`}`
37
38			`/* activate printf support in simulator */`
39			`void printf(const char *fmt, ...)`
40			`{`
41			`va_list args;`
42			`va_start(args, fmt);`
43			`asm("l.addi\tr3,%0,0": :"r" (fmt));`
44			`asm("l.addi\tr4,%0,0": :"r" (args));`
45			`asm("l.sys 202");`
46			`}`
47
48			`/* print long */`
49			`void report(unsigned long value)`
50			`{`
51			`unsigned long spr = 0x1234;`
52			`asm("l.mtspr\t\t%0,%1,0x0" : : "r" (spr), "r" (value));`
53			`return;`
54			`}`
55
56			`/* just to satisfy linker */`
57			`void __main()`
58			`{`
59			`}`
60
61			`/* start_TIMER */`
62			`void start_timer(int x)`
63			`{`
64			`}`
65
66			`/* read_TIMER */`
67			`/* Returns a value since started in uS */`
68			`unsigned int read_timer(int x)`
69			`{`
70			`unsigned long count = 0;`
71
72			`/* Read the Time Stamp Counter */`
73			`/* asm("simrdtsc %0" :"=r" (count)); */`
74			`asm("l.sys 201");`
75			`return count;`
76			`}`
77
78			`/* For writing into SPR. */`
79			`void mtspr(unsigned long spr, unsigned long value)`
80			`{`
81			`asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));`
82			`}`
83
84			`/* For reading SPR. */`
85			`unsigned long mfspr(unsigned long spr)`
86			`{`
87			`unsigned long value;`
88			`asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));`
89			`return value;`
90			`}`
91
92			`#else`
93			`void report(unsigned long value)`
94			`{`
95			`unsigned long spr = 0x1234;`
96			`printf("l.mtspr %x,%x\n", spr, value);`
97			`return;`
98			`}`
99
100			`/* start_TIMER */`
101			`void start_timer(int tmrnum)`
102			`{`
103			`return;`
104			`}`
105
106			`/* read_TIMER */`
107			`/* Returns a value since started in uS */`
108			`unsigned int read_timer(int tmrnum)`
109			`{`
110			`struct timeval tv;`
111			`struct timezone tz;`
112
113			`gettimeofday(&tv, &tz);`
114
115			`return(tv.tv_sec*1000000+tv.tv_usec);`
116			`}`
117
118			`#endif`
119
120			`void memcpy (void __restrict dstvoid,`
121			`__const void *__restrict srcvoid, size_t length)`
122			`{`
123			`char *dst = dstvoid;`
124			`const char *src = srcvoid;`
125
126			`while (length--)`
127			`dst++ = src++;`
128			`return dst;`
129			`}`
130	342	markom
131			`void excpt_dummy() {}`

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[/] [or1k/] [tags/] [nog_patch_58/] [or1ksim/] [testbench/] [support/] [support.c] - Blame information for rev 342