Merge branch 'master' of /home/nchip/public_html/qemu into garage-push

[qemu] / hw / armv7m.c

diff --git a/hw/armv7m.c b/hw/armv7m.c
index 1d5619c..c3c5b9e 100644 (file)
--- a/hw/armv7m.c
+++ b/hw/armv7m.c
@@ -7,7 +7,7 @@
  * This code is licenced under the GPL.
  */
 
-#include "hw.h"
+#include "sysbus.h"
 #include "arm-misc.h"
 #include "sysemu.h"
 
@@ -117,18 +117,35 @@ static CPUWriteMemoryFunc *bitband_writefn[] = {
    bitband_writel
 };
 
-static void armv7m_bitband_init(void)
+typedef struct {
+    SysBusDevice busdev;
+    uint32_t base;
+} BitBandState;
+
+static void bitband_init(SysBusDevice *dev)
 {
+    BitBandState *s = FROM_SYSBUS(BitBandState, dev);
     int iomemtype;
-    static uint32_t bitband1_offset = 0x20000000;
-    static uint32_t bitband2_offset = 0x40000000;
 
+    s->base = qdev_get_prop_int(&dev->qdev, "base", 0);
     iomemtype = cpu_register_io_memory(0, bitband_readfn, bitband_writefn,
-                                       &bitband1_offset);
-    cpu_register_physical_memory(0x22000000, 0x02000000, iomemtype);
-    iomemtype = cpu_register_io_memory(0, bitband_readfn, bitband_writefn,
-                                       &bitband2_offset);
-    cpu_register_physical_memory(0x42000000, 0x02000000, iomemtype);
+                                       &s->base);
+    sysbus_init_mmio(dev, 0x02000000, iomemtype);
+}
+
+static void armv7m_bitband_init(void)
+{
+    DeviceState *dev;
+
+    dev = qdev_create(NULL, "ARM,bitband-memory");
+    qdev_set_prop_int(dev, "base", 0x20000000);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x22000000);
+
+    dev = qdev_create(NULL, "ARM,bitband-memory");
+    qdev_set_prop_int(dev, "base", 0x40000000);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x42000000);
 }
 
 /* Board init.  */
@@ -140,11 +157,15 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
                       const char *kernel_filename, const char *cpu_model)
 {
     CPUState *env;
-    qemu_irq *pic;
+    DeviceState *nvic;
+    /* FIXME: make this local state.  */
+    static qemu_irq pic[64];
+    qemu_irq *cpu_pic;
     uint32_t pc;
     int image_size;
     uint64_t entry;
     uint64_t lowaddr;
+    int i;
 
     flash_size *= 1024;
     sram_size *= 1024;
@@ -176,7 +197,14 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
                                  qemu_ram_alloc(sram_size) | IO_MEM_RAM);
     armv7m_bitband_init();
 
-    pic = armv7m_nvic_init(env);
+    nvic = qdev_create(NULL, "armv7m_nvic");
+    env->v7m.nvic = nvic;
+    qdev_init(nvic);
+    cpu_pic = arm_pic_init_cpu(env);
+    sysbus_connect_irq(sysbus_from_qdev(nvic), 0, cpu_pic[ARM_PIC_CPU_IRQ]);
+    for (i = 0; i < 64; i++) {
+        pic[i] = qdev_get_gpio_in(nvic, i);
+    }
 
     image_size = load_elf(kernel_filename, 0, &entry, &lowaddr, NULL);
     if (image_size < 0) {
@@ -209,3 +237,11 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
 
     return pic;
 }
+
+static void armv7m_register_devices(void)
+{
+    sysbus_register_dev("ARM,bitband-memory", sizeof(BitBandState),
+                        bitband_init);
+}
+
+device_init(armv7m_register_devices)