22 #include "cpu.h"
38 void cpu_openrisc_count_set(OpenRISCCPU *cpu, uint32_t val)  in cpu_openrisc_count_set()  argument
45 uint32_t cpu_openrisc_count_get(OpenRISCCPU *cpu)  in cpu_openrisc_count_get()  argument
51 void cpu_openrisc_count_update(OpenRISCCPU *cpu)  in cpu_openrisc_count_update()  argument
55     if (!cpu->env.is_counting) {  in cpu_openrisc_count_update()
64 void cpu_openrisc_timer_update(OpenRISCCPU *cpu)  in cpu_openrisc_timer_update()  argument
69     if (!cpu->env.is_counting) {  in cpu_openrisc_timer_update()
73     cpu_openrisc_count_update(cpu);  in cpu_openrisc_timer_update()
76     if ((cpu->env.ttmr & TTMR_TP) <= (or1k_timer->ttcr & TTMR_TP)) {  in cpu_openrisc_timer_update()
78         wait += cpu->env.ttmr & TTMR_TP;  in cpu_openrisc_timer_update()
80         wait = (cpu->env.ttmr & TTMR_TP) - (or1k_timer->ttcr & TTMR_TP);  in cpu_openrisc_timer_update()
83     timer_mod(cpu->env.timer, next);  in cpu_openrisc_timer_update()
86 void cpu_openrisc_count_start(OpenRISCCPU *cpu)  in cpu_openrisc_count_start()  argument
88     cpu->env.is_counting = 1;  in cpu_openrisc_count_start()
89     cpu_openrisc_count_update(cpu);  in cpu_openrisc_count_start()
92 void cpu_openrisc_count_stop(OpenRISCCPU *cpu)  in cpu_openrisc_count_stop()  argument
94     timer_del(cpu->env.timer);  in cpu_openrisc_count_stop()
95     cpu_openrisc_count_update(cpu);  in cpu_openrisc_count_stop()
96     cpu->env.is_counting = 0;  in cpu_openrisc_count_stop()
101     OpenRISCCPU *cpu = opaque;  in openrisc_timer_cb()  local
103     if ((cpu->env.ttmr & TTMR_IE) &&  in openrisc_timer_cb()
104          timer_expired(cpu->env.timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL))) {  in openrisc_timer_cb()
105         CPUState *cs = CPU(cpu);  in openrisc_timer_cb()
107         cpu->env.ttmr |= TTMR_IP;  in openrisc_timer_cb()
111     switch (cpu->env.ttmr & TTMR_M) {  in openrisc_timer_cb()
116         or1k_timer->ttcr_offset -= (cpu->env.ttmr & TTMR_TP);  in openrisc_timer_cb()
119         cpu_openrisc_count_stop(cpu);  in openrisc_timer_cb()
125     cpu_openrisc_timer_update(cpu);  in openrisc_timer_cb()
126     qemu_cpu_kick(CPU(cpu));  in openrisc_timer_cb()
129 /* Reset the per CPU counter state. */
132     OpenRISCCPU *cpu = opaque;  in openrisc_count_reset()  local
134     if (cpu->env.is_counting) {  in openrisc_count_reset()
135         cpu_openrisc_count_stop(cpu);  in openrisc_count_reset()
137     cpu->env.ttmr = 0x00000000;  in openrisc_count_reset()
143     OpenRISCCPU *cpu = opaque;  in openrisc_timer_reset()  local
144     cpu_openrisc_count_set(cpu, 0);  in openrisc_timer_reset()
159 void cpu_openrisc_clock_init(OpenRISCCPU *cpu)  in cpu_openrisc_clock_init()  argument
161     cpu->env.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &openrisc_timer_cb, cpu);  in cpu_openrisc_clock_init()
163     qemu_register_reset(openrisc_count_reset, cpu);  in cpu_openrisc_clock_init()
166         qemu_register_reset(openrisc_timer_reset, cpu);  in cpu_openrisc_clock_init()