6  * https://docs.amd.com/v/u/en-US/xps_intc
33 #include "hw/qdev-properties.h"
34 #include "hw/qdev-properties-system.h"
49 #define TYPE_XILINX_INTC "xlnx.xps-intc"
61     /* Configuration reg chosen at synthesis-time. QEMU populates
62        the bits at board-setup.  */
76     if (p->regs[R_MER] & 2) {  in update_irq()
77         p->regs[R_ISR] |= p->irq_pin_state & ~p->c_kind_of_intr;  in update_irq()
81     p->regs[R_IPR] = p->regs[R_ISR] & p->regs[R_IER];  in update_irq()
85         if (p->regs[R_IPR] & (1U << i)) {  in update_irq()
92     p->regs[R_IVR] = i;  in update_irq()
93     qemu_set_irq(p->parent_irq, (p->regs[R_MER] & 1) && p->regs[R_IPR]);  in update_irq()
105             if (addr < ARRAY_SIZE(p->regs))  in pic_read()
106                 r = p->regs[addr];  in pic_read()
125             p->regs[R_ISR] &= ~value; /* ACK.  */  in pic_write()
128             p->regs[R_IER] |= value;  /* Atomic set ie.  */  in pic_write()
131             p->regs[R_IER] &= ~value; /* Atomic clear ie.  */  in pic_write()
134             p->regs[R_MER] = value & 0x3;  in pic_write()
137             if ((p->regs[R_MER] & 2)) {  in pic_write()
142             if (addr < ARRAY_SIZE(p->regs))  in pic_write()
143                 p->regs[addr] = value;  in pic_write()
162              * although some bits may be unused and is accessed on a 4-byte
178     if (p->c_kind_of_intr & (1 << irq) && p->regs[R_MER] & 2) {  in irq_handler()
179         p->regs[R_ISR] |= (level << irq);  in irq_handler()
182     p->irq_pin_state &= ~(1 << irq);  in irq_handler()
183     p->irq_pin_state |= level << irq;  in irq_handler()
192     sysbus_init_irq(SYS_BUS_DEVICE(obj), &p->parent_irq);  in xilinx_intc_init()
193     sysbus_init_mmio(SYS_BUS_DEVICE(obj), &p->mmio);  in xilinx_intc_init()
200     if (p->model_endianness == ENDIAN_MODE_UNSPECIFIED) {  in xilinx_intc_realize()
206     memory_region_init_io(&p->mmio, OBJECT(dev),  in xilinx_intc_realize()
207                           &pic_ops[p->model_endianness == ENDIAN_MODE_BIG],  in xilinx_intc_realize()
208                           p, "xlnx.xps-intc",  in xilinx_intc_realize()
214     DEFINE_PROP_UINT32("kind-of-intr", XpsIntc, c_kind_of_intr, 0),
221     dc->realize = xilinx_intc_realize;  in xilinx_intc_class_init()