diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/acpi/memory_hotplug.c | 123 |
1 files changed, 60 insertions, 63 deletions
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index 67dd3f899e..fb40a5ea81 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -307,7 +307,7 @@ const VMStateDescription vmstate_memory_hotplug = { } }; -void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem, +void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem, uint16_t io_base, uint16_t io_len) { Aml *ifctx; @@ -319,6 +319,8 @@ void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem, pci_scope = aml_scope("_SB.PCI0"); mem_ctrl_dev = aml_device(MEMORY_HOTPLUG_DEVICE); { + Aml *crs; + Aml *field; Aml *one = aml_int(1); Aml *zero = aml_int(0); Aml *ret_val = aml_local(0); @@ -331,6 +333,62 @@ void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem, aml_append(mem_ctrl_dev, aml_name_decl("_UID", aml_string("Memory hotplug resources"))); + assert(nr_mem <= ACPI_MAX_RAM_SLOTS); + aml_append(mem_ctrl_dev, + aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) + ); + + crs = aml_resource_template(); + aml_append(crs, + aml_io(AML_DECODE16, io_base, io_base, 0, 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) + ); + + field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, + AML_NOLOCK, AML_PRESERVE); + aml_append(field, /* read only */ + aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); + aml_append(field, /* read only */ + aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); + aml_append(field, /* read only */ + aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); + aml_append(field, /* read only */ + aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); + aml_append(field, /* read only */ + aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); + aml_append(mem_ctrl_dev, field); + + field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC, + AML_NOLOCK, AML_WRITE_AS_ZEROS); + aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); + aml_append(field, /* 1 if enabled, read only */ + aml_named_field(MEMORY_SLOT_ENABLED, 1)); + aml_append(field, + /*(read) 1 if has a insert event. (write) 1 to clear event */ + aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); + aml_append(field, + /* (read) 1 if has a remove event. (write) 1 to clear event */ + aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); + aml_append(field, + /* initiates device eject, write only */ + aml_named_field(MEMORY_SLOT_EJECT, 1)); + aml_append(mem_ctrl_dev, field); + + field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, + AML_NOLOCK, AML_PRESERVE); + aml_append(field, /* DIMM selector, write only */ + aml_named_field(MEMORY_SLOT_SLECTOR, 32)); + aml_append(field, /* _OST event code, write only */ + aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); + aml_append(field, /* _OST status code, write only */ + aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); + aml_append(mem_ctrl_dev, field); + method = aml_method("_STA", 0, AML_NOTSERIALIZED); ifctx = aml_if(aml_equal(slots_nr, zero)); { @@ -551,79 +609,18 @@ void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem, aml_append(mem_ctrl_dev, method); } aml_append(pci_scope, mem_ctrl_dev); - aml_append(ctx, pci_scope); + aml_append(table, pci_scope); } void build_memory_devices(Aml *sb_scope, int nr_mem, uint16_t io_base, uint16_t io_len) { int i; - Aml *scope; - Aml *crs; - Aml *field; Aml *dev; Aml *method; Aml *ifctx; /* build memory devices */ - assert(nr_mem <= ACPI_MAX_RAM_SLOTS); - scope = aml_scope("\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE); - aml_append(scope, - aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) - ); - - crs = aml_resource_template(); - aml_append(crs, - aml_io(AML_DECODE16, io_base, io_base, 0, io_len) - ); - aml_append(scope, aml_name_decl("_CRS", crs)); - - aml_append(scope, aml_operation_region( - MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, - aml_int(io_base), io_len) - ); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, - AML_NOLOCK, AML_PRESERVE); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); - aml_append(scope, field); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC, - AML_NOLOCK, AML_WRITE_AS_ZEROS); - aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); - aml_append(field, /* 1 if enabled, read only */ - aml_named_field(MEMORY_SLOT_ENABLED, 1)); - aml_append(field, - /*(read) 1 if has a insert event. (write) 1 to clear event */ - aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); - aml_append(field, - /* (read) 1 if has a remove event. (write) 1 to clear event */ - aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); - aml_append(field, - /* initiates device eject, write only */ - aml_named_field(MEMORY_SLOT_EJECT, 1)); - aml_append(scope, field); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, - AML_NOLOCK, AML_PRESERVE); - aml_append(field, /* DIMM selector, write only */ - aml_named_field(MEMORY_SLOT_SLECTOR, 32)); - aml_append(field, /* _OST event code, write only */ - aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); - aml_append(field, /* _OST status code, write only */ - aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); - aml_append(scope, field); - aml_append(sb_scope, scope); - for (i = 0; i < nr_mem; i++) { #define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "." const char *s; |