1 // $Id: vcs_hook.c,v 1.2 2003/08/12 12:01:06 starvik Exp $
3 // Call simulator hook. This is the part running in the
9 #include <asm/arch-v32/hwregs/reg_map.h>
10 #include <asm/arch-v32/hwregs/intr_vect_defs.h>
12 #define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
13 #define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
15 #define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset]
16 #define VHOOK_DATA(offset) ((volatile unsigned*) HOOK_MEM_BASE_ADDR)[offset]
17 #define HOOK_TRIG(funcid) do { *((unsigned *) HOOK_TRIG_ADDR) = funcid; } while(0)
18 #define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset]
21 // ------------------------------------------------------------------ hook_call
22 int hook_call( unsigned id, unsigned pcnt, ...) {
33 /* Have to make hook_print_str a special case since we call with a
34 parameter of byte type. Should perhaps be a separate
37 if (id == hook_print_str) {
44 str = (char*)va_arg(ap,unsigned);
46 for (i=0; i!=pcnt; i++) {
47 HOOK_DATA_BYTE(8+i) = str[i];
49 HOOK_DATA_BYTE(8+i) = 0; /* null byte */
53 for( i = 1; i <= pcnt; i++ ) HOOK_DATA(i) = va_arg(ap,unsigned);
57 // read from mem to make sure data has propagated to memory before trigging
58 *((volatile unsigned*) HOOK_MEM_BASE_ADDR);
63 // wait for call to finish
64 while( VHOOK_DATA(0) > 0 ) {}
66 // extract return value
79 return (HOOK_DATA(i));
82 void print_str( const char *str ) {
84 for (i=1; str[i]; i++); /* find null at end of string */
85 hook_call(hook_print_str, i, str);
88 // --------------------------------------------------------------- CPU_KICK_DOG
89 void CPU_KICK_DOG(void) {
90 (void) hook_call( hook_kick_dog, 0 );
93 // ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT
94 void CPU_WATCHDOG_TIMEOUT( unsigned t ) {
95 (void) hook_call( hook_dog_timeout, 1, t );