diff options
Diffstat (limited to 'hw/acpi/memory_hotplug.c')
| -rw-r--r-- | hw/acpi/memory_hotplug.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index da293329d0..fb04d246a1 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -30,6 +30,9 @@ #define MEMORY_SLOT_NOTIFY_METHOD "MTFY" #define MEMORY_SLOT_SCAN_METHOD "MSCN" #define MEMORY_HOTPLUG_DEVICE "MHPD" +#define MEMORY_HOTPLUG_IO_LEN 24 + +static uint16_t memhp_io_base; static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev) { @@ -202,7 +205,7 @@ static const MemoryRegionOps acpi_memory_hotplug_ops = { }; void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, - MemHotplugState *state) + MemHotplugState *state, uint16_t io_base) { MachineState *machine = MACHINE(qdev_get_machine()); @@ -211,10 +214,12 @@ void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, return; } + assert(!memhp_io_base); + memhp_io_base = io_base; state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count); memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state, - "acpi-mem-hotplug", ACPI_MEMORY_HOTPLUG_IO_LEN); - memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io); + "acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN); + memory_region_add_subregion(as, memhp_io_base, &state->io); } /** @@ -332,7 +337,6 @@ const VMStateDescription vmstate_memory_hotplug = { }; void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, - uint16_t io_base, uint16_t io_len, const char *res_root, const char *event_handler_method) { @@ -342,8 +346,13 @@ void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, Aml *sb_scope; Aml *mem_ctrl_dev; char *scan_path; - char *mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root); + char *mhp_res_path; + + if (!memhp_io_base) { + return; + } + mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root); mem_ctrl_dev = aml_device("%s", mhp_res_path); { Aml *crs; @@ -367,13 +376,14 @@ void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, crs = aml_resource_template(); aml_append(crs, - aml_io(AML_DECODE16, io_base, io_base, 0, io_len) + aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0, + MEMORY_HOTPLUG_IO_LEN) ); aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs)); aml_append(mem_ctrl_dev, aml_operation_region( MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, - aml_int(io_base), io_len) + aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN) ); field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, |