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@@ -1,100 +1,96 @@
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-/*
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- * Call simulator hook. This is the part running in the
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- * simulated program.
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- */
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+// $Id: vcs_hook.c,v 1.2 2003/08/12 12:01:06 starvik Exp $
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+//
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+// Call simulator hook. This is the part running in the
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+// simulated program.
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+//
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#include "vcs_hook.h"
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#include <stdarg.h>
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#include <asm/arch-v32/hwregs/reg_map.h>
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#include <asm/arch-v32/hwregs/intr_vect_defs.h>
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-#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
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-#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
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+#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
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+#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
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-#define HOOK_DATA(offset) ((unsigned *)HOOK_MEM_BASE_ADDR)[offset]
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-#define VHOOK_DATA(offset) ((volatile unsigned *)HOOK_MEM_BASE_ADDR)[offset]
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-#define HOOK_TRIG(funcid) \
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- do { \
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- *((unsigned *) HOOK_TRIG_ADDR) = funcid; \
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- } while (0)
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-#define HOOK_DATA_BYTE(offset) ((unsigned char *)HOOK_MEM_BASE_ADDR)[offset]
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+#define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset]
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+#define VHOOK_DATA(offset) ((volatile unsigned*) HOOK_MEM_BASE_ADDR)[offset]
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+#define HOOK_TRIG(funcid) do { *((unsigned *) HOOK_TRIG_ADDR) = funcid; } while(0)
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+#define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset]
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-int hook_call(unsigned id, unsigned pcnt, ...)
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-{
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- va_list ap;
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- unsigned i;
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- unsigned ret;
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+
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+// ------------------------------------------------------------------ hook_call
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+int hook_call( unsigned id, unsigned pcnt, ...) {
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+ va_list ap;
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+ unsigned i;
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+ unsigned ret;
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#ifdef USING_SOS
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- PREEMPT_OFF_SAVE();
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+ PREEMPT_OFF_SAVE();
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#endif
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- /* pass parameters */
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- HOOK_DATA(0) = id;
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+ // pass parameters
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+ HOOK_DATA(0) = id;
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- /* Have to make hook_print_str a special case since we call with a
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- * parameter of byte type. Should perhaps be a separate
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- * hook_call. */
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+ /* Have to make hook_print_str a special case since we call with a
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+ parameter of byte type. Should perhaps be a separate
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+ hook_call. */
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- if (id == hook_print_str) {
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- int i;
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- char *str;
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+ if (id == hook_print_str) {
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+ int i;
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+ char *str;
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- HOOK_DATA(1) = pcnt;
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+ HOOK_DATA(1) = pcnt;
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- va_start(ap, pcnt);
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- str = (char *)va_arg(ap, unsigned);
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+ va_start(ap, pcnt);
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+ str = (char*)va_arg(ap,unsigned);
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- for (i = 0; i != pcnt; i++)
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- HOOK_DATA_BYTE(8 + i) = str[i];
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+ for (i=0; i!=pcnt; i++) {
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+ HOOK_DATA_BYTE(8+i) = str[i];
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+ }
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+ HOOK_DATA_BYTE(8+i) = 0; /* null byte */
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+ }
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+ else {
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+ va_start(ap, pcnt);
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+ for( i = 1; i <= pcnt; i++ ) HOOK_DATA(i) = va_arg(ap,unsigned);
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+ va_end(ap);
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+ }
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- HOOK_DATA_BYTE(8 + i) = 0; /* null byte */
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- } else {
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- va_start(ap, pcnt);
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- for (i = 1; i <= pcnt; i++)
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- HOOK_DATA(i) = va_arg(ap, unsigned);
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- va_end(ap);
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- }
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+ // read from mem to make sure data has propagated to memory before trigging
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+ *((volatile unsigned*) HOOK_MEM_BASE_ADDR);
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- /* read from mem to make sure data has propagated to memory before
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- * trigging */
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- ret = *((volatile unsigned *)HOOK_MEM_BASE_ADDR);
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+ // trigger hook
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+ HOOK_TRIG(id);
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- /* trigger hook */
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- HOOK_TRIG(id);
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+ // wait for call to finish
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+ while( VHOOK_DATA(0) > 0 ) {}
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- /* wait for call to finish */
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- while (VHOOK_DATA(0) > 0) ;
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+ // extract return value
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- /* extract return value */
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-
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- ret = VHOOK_DATA(1);
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+ ret = VHOOK_DATA(1);
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#ifdef USING_SOS
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- PREEMPT_RESTORE();
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+ PREEMPT_RESTORE();
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#endif
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- return ret;
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+ return ret;
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}
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-unsigned hook_buf(unsigned i)
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+unsigned
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+hook_buf(unsigned i)
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{
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- return (HOOK_DATA(i));
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+ return (HOOK_DATA(i));
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}
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-void print_str(const char *str)
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-{
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- int i;
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- /* find null at end of string */
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- for (i = 1; str[i]; i++) ;
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- hook_call(hook_print_str, i, str);
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+void print_str( const char *str ) {
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+ int i;
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+ for (i=1; str[i]; i++); /* find null at end of string */
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+ hook_call(hook_print_str, i, str);
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}
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-void CPU_KICK_DOG(void)
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-{
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- (void)hook_call(hook_kick_dog, 0);
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+// --------------------------------------------------------------- CPU_KICK_DOG
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+void CPU_KICK_DOG(void) {
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+ (void) hook_call( hook_kick_dog, 0 );
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}
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-void CPU_WATCHDOG_TIMEOUT(unsigned t)
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-{
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- (void)hook_call(hook_dog_timeout, 1, t);
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+// ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT
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+void CPU_WATCHDOG_TIMEOUT( unsigned t ) {
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+ (void) hook_call( hook_dog_timeout, 1, t );
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}
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-
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