diff options
Diffstat (limited to 'hw/arm/armsse.c')
-rw-r--r-- | hw/arm/armsse.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/hw/arm/armsse.c b/hw/arm/armsse.c index 9a8c49547d..129e7ea7fe 100644 --- a/hw/arm/armsse.c +++ b/hw/arm/armsse.c @@ -110,15 +110,16 @@ static bool irq_is_common[32] = { /* 30, 31: reserved */ }; -/* Create an alias region of @size bytes starting at @base +/* + * Create an alias region in @container of @size bytes starting at @base * which mirrors the memory starting at @orig. */ -static void make_alias(ARMSSE *s, MemoryRegion *mr, const char *name, - hwaddr base, hwaddr size, hwaddr orig) +static void make_alias(ARMSSE *s, MemoryRegion *mr, MemoryRegion *container, + const char *name, hwaddr base, hwaddr size, hwaddr orig) { - memory_region_init_alias(mr, NULL, name, &s->container, orig, size); + memory_region_init_alias(mr, NULL, name, container, orig, size); /* The alias is even lower priority than unimplemented_device regions */ - memory_region_add_subregion_overlap(&s->container, base, mr, -1500); + memory_region_add_subregion_overlap(container, base, mr, -1500); } static void irq_status_forwarder(void *opaque, int n, int level) @@ -505,11 +506,10 @@ static void armsse_realize(DeviceState *dev, Error **errp) * the INITSVTOR* registers before powering up the CPUs in any case, * so the hardware's default value doesn't matter. QEMU doesn't emulate * the control processor, so instead we behave in the way that the - * firmware does. All boards currently known about have firmware that - * sets the INITSVTOR0 and INITSVTOR1 registers to 0x10000000, like the - * IoTKit default. We can make this more configurable if necessary. + * firmware does. The initial value is configurable by the board code + * to match whatever its firmware does. */ - qdev_prop_set_uint32(cpudev, "init-svtor", 0x10000000); + qdev_prop_set_uint32(cpudev, "init-svtor", s->init_svtor); /* * Start all CPUs except CPU0 powered down. In real hardware it is * a configurable property of the SSE-200 which CPUs start powered up @@ -608,16 +608,21 @@ static void armsse_realize(DeviceState *dev, Error **errp) } /* Set up the big aliases first */ - make_alias(s, &s->alias1, "alias 1", 0x10000000, 0x10000000, 0x00000000); - make_alias(s, &s->alias2, "alias 2", 0x30000000, 0x10000000, 0x20000000); + make_alias(s, &s->alias1, &s->container, "alias 1", + 0x10000000, 0x10000000, 0x00000000); + make_alias(s, &s->alias2, &s->container, + "alias 2", 0x30000000, 0x10000000, 0x20000000); /* The 0x50000000..0x5fffffff region is not a pure alias: it has * a few extra devices that only appear there (generally the * control interfaces for the protection controllers). * We implement this by mapping those devices over the top of this - * alias MR at a higher priority. + * alias MR at a higher priority. Some of the devices in this range + * are per-CPU, so we must put this alias in the per-cpu containers. */ - make_alias(s, &s->alias3, "alias 3", 0x50000000, 0x10000000, 0x40000000); - + for (i = 0; i < info->num_cpus; i++) { + make_alias(s, &s->alias3[i], &s->cpu_container[i], + "alias 3", 0x50000000, 0x10000000, 0x40000000); + } /* Security controller */ object_property_set_bool(OBJECT(&s->secctl), true, "realized", &err); @@ -762,26 +767,28 @@ static void armsse_realize(DeviceState *dev, Error **errp) if (info->has_mhus) { for (i = 0; i < ARRAY_SIZE(s->mhu); i++) { - char *name = g_strdup_printf("MHU%d", i); - char *port = g_strdup_printf("port[%d]", i + 3); + char *name; + char *port; + name = g_strdup_printf("MHU%d", i); qdev_prop_set_string(DEVICE(&s->mhu[i]), "name", name); qdev_prop_set_uint64(DEVICE(&s->mhu[i]), "size", 0x1000); object_property_set_bool(OBJECT(&s->mhu[i]), true, "realized", &err); + g_free(name); if (err) { error_propagate(errp, err); return; } + port = g_strdup_printf("port[%d]", i + 3); mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mhu[i]), 0); object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), port, &err); + g_free(port); if (err) { error_propagate(errp, err); return; } - g_free(name); - g_free(port); } } @@ -1185,6 +1192,7 @@ static Property armsse_properties[] = { DEFINE_PROP_UINT32("EXP_NUMIRQ", ARMSSE, exp_numirq, 64), DEFINE_PROP_UINT32("MAINCLK", ARMSSE, mainclk_frq, 0), DEFINE_PROP_UINT32("SRAM_ADDR_WIDTH", ARMSSE, sram_addr_width, 15), + DEFINE_PROP_UINT32("init-svtor", ARMSSE, init_svtor, 0x10000000), DEFINE_PROP_END_OF_LIST() }; |