mirror of https://gitee.com/openkylin/linux.git
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
// $Id: vcs_hook.c,v 1.2 2003/08/12 12:01:06 starvik Exp $
|
|
//
|
|
// Call simulator hook. This is the part running in the
|
|
// simulated program.
|
|
//
|
|
|
|
#include "vcs_hook.h"
|
|
#include <stdarg.h>
|
|
#include <asm/arch-v32/hwregs/reg_map.h>
|
|
#include <asm/arch-v32/hwregs/intr_vect_defs.h>
|
|
|
|
#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
|
|
#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
|
|
|
|
#define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset]
|
|
#define VHOOK_DATA(offset) ((volatile unsigned*) HOOK_MEM_BASE_ADDR)[offset]
|
|
#define HOOK_TRIG(funcid) do { *((unsigned *) HOOK_TRIG_ADDR) = funcid; } while(0)
|
|
#define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset]
|
|
|
|
|
|
// ------------------------------------------------------------------ hook_call
|
|
int hook_call( unsigned id, unsigned pcnt, ...) {
|
|
va_list ap;
|
|
unsigned i;
|
|
unsigned ret;
|
|
#ifdef USING_SOS
|
|
PREEMPT_OFF_SAVE();
|
|
#endif
|
|
|
|
// pass parameters
|
|
HOOK_DATA(0) = id;
|
|
|
|
/* Have to make hook_print_str a special case since we call with a
|
|
parameter of byte type. Should perhaps be a separate
|
|
hook_call. */
|
|
|
|
if (id == hook_print_str) {
|
|
int i;
|
|
char *str;
|
|
|
|
HOOK_DATA(1) = pcnt;
|
|
|
|
va_start(ap, pcnt);
|
|
str = (char*)va_arg(ap,unsigned);
|
|
|
|
for (i=0; i!=pcnt; i++) {
|
|
HOOK_DATA_BYTE(8+i) = str[i];
|
|
}
|
|
HOOK_DATA_BYTE(8+i) = 0; /* null byte */
|
|
}
|
|
else {
|
|
va_start(ap, pcnt);
|
|
for( i = 1; i <= pcnt; i++ ) HOOK_DATA(i) = va_arg(ap,unsigned);
|
|
va_end(ap);
|
|
}
|
|
|
|
// read from mem to make sure data has propagated to memory before trigging
|
|
*((volatile unsigned*) HOOK_MEM_BASE_ADDR);
|
|
|
|
// trigger hook
|
|
HOOK_TRIG(id);
|
|
|
|
// wait for call to finish
|
|
while( VHOOK_DATA(0) > 0 ) {}
|
|
|
|
// extract return value
|
|
|
|
ret = VHOOK_DATA(1);
|
|
|
|
#ifdef USING_SOS
|
|
PREEMPT_RESTORE();
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
unsigned
|
|
hook_buf(unsigned i)
|
|
{
|
|
return (HOOK_DATA(i));
|
|
}
|
|
|
|
void print_str( const char *str ) {
|
|
int i;
|
|
for (i=1; str[i]; i++); /* find null at end of string */
|
|
hook_call(hook_print_str, i, str);
|
|
}
|
|
|
|
// --------------------------------------------------------------- CPU_KICK_DOG
|
|
void CPU_KICK_DOG(void) {
|
|
(void) hook_call( hook_kick_dog, 0 );
|
|
}
|
|
|
|
// ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT
|
|
void CPU_WATCHDOG_TIMEOUT( unsigned t ) {
|
|
(void) hook_call( hook_dog_timeout, 1, t );
|
|
}
|