?? realview_gic.c
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/* * ARM RealView Emulation Baseboard Interrupt Controller * * Copyright (c) 2006-2007 CodeSourcery. * Written by Paul Brook * * This code is licenced under the GPL. */#include "hw.h"#include "primecell.h"#define GIC_NIRQ 96#define NCPU 1/* Only a single "CPU" interface is present. */static inline intgic_get_current_cpu(void){ return 0;}#include "arm_gic.c"static uint32_t realview_gic_cpu_read(void *opaque, target_phys_addr_t offset){ gic_state *s = (gic_state *)opaque; offset -= s->base; return gic_cpu_read(s, gic_get_current_cpu(), offset);}static void realview_gic_cpu_write(void *opaque, target_phys_addr_t offset, uint32_t value){ gic_state *s = (gic_state *)opaque; offset -= s->base; gic_cpu_write(s, gic_get_current_cpu(), offset, value);}static CPUReadMemoryFunc *realview_gic_cpu_readfn[] = { realview_gic_cpu_read, realview_gic_cpu_read, realview_gic_cpu_read};static CPUWriteMemoryFunc *realview_gic_cpu_writefn[] = { realview_gic_cpu_write, realview_gic_cpu_write, realview_gic_cpu_write};qemu_irq *realview_gic_init(uint32_t base, qemu_irq parent_irq){ gic_state *s; int iomemtype; s = gic_init(base, &parent_irq); if (!s) return NULL; iomemtype = cpu_register_io_memory(0, realview_gic_cpu_readfn, realview_gic_cpu_writefn, s); cpu_register_physical_memory(base, 0x00001000, iomemtype); return s->in;}
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