64 static void set_irq(RXICUState *icu, int n_IRQ, int req)  in set_irq()  argument
67         (icu->fir & R_FIR_FVCT_MASK) == n_IRQ) {  in set_irq()
79 static void rxicu_request(RXICUState *icu, int n_IRQ)  in rxicu_request()  argument
83     enable = icu->ier[n_IRQ / 8] & (1 << (n_IRQ & 7));  in rxicu_request()
84     if (n_IRQ > 0 && enable != 0 && qatomic_read(&icu->req_irq) < 0) {  in rxicu_request()
85         qatomic_set(&icu->req_irq, n_IRQ);  in rxicu_request()
86         set_irq(icu, n_IRQ, rxicu_level(icu, n_IRQ));  in rxicu_request()
90 static void rxicu_set_irq(void *opaque, int n_IRQ, int level)  in rxicu_set_irq()  argument
96     if (n_IRQ >= NR_IRQS) {  in rxicu_set_irq()
97         error_report("%s: IRQ %d out of range", __func__, n_IRQ);  in rxicu_set_irq()
101     src = &icu->src[n_IRQ];  in rxicu_set_irq()
126         icu->ir[n_IRQ] = 0;  in rxicu_set_irq()
127         if (qatomic_read(&icu->req_irq) == n_IRQ) {  in rxicu_set_irq()
129             set_irq(icu, n_IRQ, 0);  in rxicu_set_irq()
135         icu->ir[n_IRQ] = 1;  in rxicu_set_irq()
136         rxicu_request(icu, n_IRQ);  in rxicu_set_irq()
144     int n_IRQ;  in rxicu_ack_irq()  local
147     n_IRQ = qatomic_read(&icu->req_irq);  in rxicu_ack_irq()
148     if (n_IRQ < 0) {  in rxicu_ack_irq()
152     if (icu->src[n_IRQ].sense != TRG_LEVEL) {  in rxicu_ack_irq()
153         icu->ir[n_IRQ] = 0;  in rxicu_ack_irq()
157     n_IRQ = -1;  in rxicu_ack_irq()
161                 n_IRQ = i;  in rxicu_ack_irq()
167     if (n_IRQ >= 0) {  in rxicu_ack_irq()
168         rxicu_request(icu, n_IRQ);  in rxicu_ack_irq()