CRIS v32: Change lib/spinlock.S to use byte operations instead of dwords.

This commit is contained in:
Jesper Nilsson 2008-01-25 17:57:28 +01:00
parent ea402db97f
commit ea0af95b1c
3 changed files with 5 additions and 143 deletions

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@ -1,96 +0,0 @@
// $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 );
}

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@ -1,42 +0,0 @@
// $Id: vcs_hook.h,v 1.1 2003/08/12 12:01:06 starvik Exp $
//
// Call simulator hook functions
#ifndef HOOK_H
#define HOOK_H
int hook_call( unsigned id, unsigned pcnt, ...);
enum hook_ids {
hook_debug_on = 1,
hook_debug_off,
hook_stop_sim_ok,
hook_stop_sim_fail,
hook_alloc_shared,
hook_ptr_shared,
hook_free_shared,
hook_file2shared,
hook_cmp_shared,
hook_print_params,
hook_sim_time,
hook_stop_sim,
hook_kick_dog,
hook_dog_timeout,
hook_rand,
hook_srand,
hook_rand_range,
hook_print_str,
hook_print_hex,
hook_cmp_offset_shared,
hook_fill_random_shared,
hook_alloc_random_data,
hook_calloc_random_data,
hook_print_int,
hook_print_uint,
hook_fputc,
hook_init_fd,
hook_sbrk
};
#endif

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@ -12,11 +12,11 @@
cris_spin_lock:
clearf p
1: test.d [$r10]
1: test.b [$r10]
beq 1b
clearf p
ax
clear.d [$r10]
clear.b [$r10]
bcs 1b
clearf p
ret
@ -24,10 +24,10 @@ cris_spin_lock:
cris_spin_trylock:
clearf p
1: move.d [$r10], $r11
1: move.b [$r10], $r11
ax
clear.d [$r10]
clear.b [$r10]
bcs 1b
clearf p
ret
move.d $r11,$r10
movu.b $r11,$r10