Commit a474de0a authored by Jesper Nilsson's avatar Jesper Nilsson

CRIS v32: Update vcs_hook.c for ETRAX FS.

- Clean up some formatting and whitespace.
parent 09160d7c
// $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
// Call simulator hook. This is the part running in the * simulated program.
// simulated program. */
//
#include "vcs_hook.h" #include "vcs_hook.h"
#include <stdarg.h> #include <stdarg.h>
#include <asm/arch-v32/hwregs/reg_map.h> #include <asm/arch-v32/hwregs/reg_map.h>
#include <asm/arch-v32/hwregs/intr_vect_defs.h> #include <asm/arch-v32/hwregs/intr_vect_defs.h>
#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */ #define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */ #define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
#define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset] #define HOOK_DATA(offset) ((unsigned *)HOOK_MEM_BASE_ADDR)[offset]
#define VHOOK_DATA(offset) ((volatile 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_TRIG(funcid) \
#define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset] do { \
*((unsigned *) HOOK_TRIG_ADDR) = funcid; \
} while (0)
#define HOOK_DATA_BYTE(offset) ((unsigned char *)HOOK_MEM_BASE_ADDR)[offset]
int hook_call(unsigned id, unsigned pcnt, ...)
// ------------------------------------------------------------------ hook_call {
int hook_call( unsigned id, unsigned pcnt, ...) { va_list ap;
va_list ap; unsigned i;
unsigned i; unsigned ret;
unsigned ret;
#ifdef USING_SOS #ifdef USING_SOS
PREEMPT_OFF_SAVE(); PREEMPT_OFF_SAVE();
#endif #endif
// pass parameters /* pass parameters */
HOOK_DATA(0) = id; HOOK_DATA(0) = id;
/* Have to make hook_print_str a special case since we call with a /* Have to make hook_print_str a special case since we call with a
parameter of byte type. Should perhaps be a separate * parameter of byte type. Should perhaps be a separate
hook_call. */ * hook_call. */
if (id == hook_print_str) { if (id == hook_print_str) {
int i; int i;
char *str; char *str;
HOOK_DATA(1) = pcnt; HOOK_DATA(1) = pcnt;
va_start(ap, pcnt); va_start(ap, pcnt);
str = (char*)va_arg(ap,unsigned); str = (char *)va_arg(ap, unsigned);
for (i=0; i!=pcnt; i++) { for (i = 0; i != pcnt; i++)
HOOK_DATA_BYTE(8+i) = str[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 HOOK_DATA_BYTE(8 + i) = 0; /* null byte */
*((volatile unsigned*) HOOK_MEM_BASE_ADDR); } else {
va_start(ap, pcnt);
for (i = 1; i <= pcnt; i++)
HOOK_DATA(i) = va_arg(ap, unsigned);
va_end(ap);
}
// trigger hook /* read from mem to make sure data has propagated to memory before
HOOK_TRIG(id); * trigging */
ret = *((volatile unsigned *)HOOK_MEM_BASE_ADDR);
// wait for call to finish /* trigger hook */
while( VHOOK_DATA(0) > 0 ) {} HOOK_TRIG(id);
// extract return value /* wait for call to finish */
while (VHOOK_DATA(0) > 0) ;
ret = VHOOK_DATA(1); /* extract return value */
ret = VHOOK_DATA(1);
#ifdef USING_SOS #ifdef USING_SOS
PREEMPT_RESTORE(); PREEMPT_RESTORE();
#endif #endif
return ret; return ret;
} }
unsigned unsigned hook_buf(unsigned i)
hook_buf(unsigned i)
{ {
return (HOOK_DATA(i)); return (HOOK_DATA(i));
} }
void print_str( const char *str ) { void print_str(const char *str)
int i; {
for (i=1; str[i]; i++); /* find null at end of string */ int i;
hook_call(hook_print_str, i, str); /* find null at end of string */
for (i = 1; str[i]; i++) ;
hook_call(hook_print_str, i, str);
} }
// --------------------------------------------------------------- CPU_KICK_DOG void CPU_KICK_DOG(void)
void CPU_KICK_DOG(void) { {
(void) hook_call( hook_kick_dog, 0 ); (void)hook_call(hook_kick_dog, 0);
} }
// ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT void CPU_WATCHDOG_TIMEOUT(unsigned t)
void CPU_WATCHDOG_TIMEOUT( unsigned t ) { {
(void) hook_call( hook_dog_timeout, 1, t ); (void)hook_call(hook_dog_timeout, 1, t);
} }
// $Id: vcs_hook.h,v 1.1 2003/08/12 12:01:06 starvik Exp $ /*
// * Call simulator hook functions
// Call simulator hook functions */
#ifndef HOOK_H #ifndef HOOK_H
#define HOOK_H #define HOOK_H
int hook_call( unsigned id, unsigned pcnt, ...); int hook_call(unsigned id, unsigned pcnt, ...);
enum hook_ids { enum hook_ids {
hook_debug_on = 1, hook_debug_on = 1,
......
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