43  * The 31-bit counter is incremented every 500ns by bit 9. Bits 8..0
76     unsigned int timer_index; /* 0 for system, 1 ... MAX_CPUS for CPU timers */
79 #define SYS_TIMER_SIZE 0x14
80 #define CPU_TIMER_SIZE 0x10
82 #define TIMER_LIMIT         0
88 #define TIMER_COUNT_MASK32 0xfffffe00
89 #define TIMER_LIMIT_MASK32 0x7fffffff
90 #define TIMER_MAX_COUNT64  0x7ffffffffffffe00ULL
91 #define TIMER_MAX_COUNT32  0x7ffffe00ULL
92 #define TIMER_REACHED      0x80000000
102     return timer_index != 0 && (s->cputimer_mode & (1 << (timer_index - 1)));  in slavio_timer_is_user()
111     if (t->limit == 0) { /* free-run system or processor counter */  in slavio_timer_get_out()
132     /* if limit is 0 (free-run), there will be no match */  in slavio_timer_irq()
133     if (t->limit != 0) {  in slavio_timer_irq()
137     if (!slavio_timer_is_user(tc) && t->limit != 0) {  in slavio_timer_irq()
164             t->reached = 0;  in slavio_timer_mem_readl()
182         if (timer_index > 0) {  in slavio_timer_mem_readl()
185             ret = 0;  in slavio_timer_mem_readl()
195         ret = 0;  in slavio_timer_mem_readl()
222             t->reached = 0;  in slavio_timer_mem_writel()
230             if (t->limit == 0) { /* free-run */  in slavio_timer_mem_writel()
246             t->reached = 0;  in slavio_timer_mem_writel()
260         if (t->limit == 0) { /* free-run */  in slavio_timer_mem_writel()
261             ptimer_set_limit(t->timer, LIMIT_TO_PERIODS(TIMER_MAX_COUNT32), 0);  in slavio_timer_mem_writel()
263             ptimer_set_limit(t->timer, LIMIT_TO_PERIODS(t->limit), 0);  in slavio_timer_mem_writel()
273                 ptimer_run(t->timer, 0);  in slavio_timer_mem_writel()
283         if (timer_index == 0) {  in slavio_timer_mem_writel()
286             for (i = 0; i < s->num_cpus; i++) {  in slavio_timer_mem_writel()
310                         ptimer_run(curr_timer->timer, 0);  in slavio_timer_mem_writel()
375     for (i = 0; i <= MAX_CPUS; i++) {  in slavio_timer_reset()
377         curr_timer->limit = 0;  in slavio_timer_reset()
378         curr_timer->count = 0;  in slavio_timer_reset()
379         curr_timer->reached = 0;  in slavio_timer_reset()
384             ptimer_run(curr_timer->timer, 0);  in slavio_timer_reset()
389     s->cputimer_mode = 0;  in slavio_timer_reset()
399     for (i = 0; i <= MAX_CPUS; i++) {  in slavio_timer_init()
413         size = i == 0 ? SYS_TIMER_SIZE : CPU_TIMER_SIZE;  in slavio_timer_init()
424     DEFINE_PROP_UINT32("num_cpus",  SLAVIO_TIMERState, num_cpus,  0),