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-rw-r--r--hw/i386/acpi-build.c57
-rw-r--r--hw/i386/acpi-dsdt-mem-hotplug.dsl36
-rw-r--r--hw/i386/ssdt-misc.dsl2
3 files changed, 64 insertions, 31 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 377dd72ea6..98553f8acb 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -103,6 +103,8 @@ typedef struct AcpiPmInfo {
uint32_t io_base;
uint16_t cpu_hp_io_base;
uint16_t cpu_hp_io_len;
+ uint16_t mem_hp_io_base;
+ uint16_t mem_hp_io_len;
} AcpiPmInfo;
typedef struct AcpiMiscInfo {
@@ -187,6 +189,9 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
assert(obj);
pm->cpu_hp_io_len = ACPI_GPE_PROC_LEN;
+ pm->mem_hp_io_base = ACPI_MEMORY_HOTPLUG_BASE;
+ pm->mem_hp_io_len = ACPI_MEMORY_HOTPLUG_IO_LEN;
+
/* Fill in optional s3/s4 related properties */
o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL);
if (o) {
@@ -887,9 +892,6 @@ build_ssdt(GArray *table_data, GArray *linker,
patch_pci_windows(pci, ssdt_ptr, sizeof(ssdp_misc_aml));
- ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml),
- ssdt_mctrl_nr_slots[0], 32, nr_mem);
-
/* create S3_ / S4_ / S5_ packages if necessary */
scope = aml_scope("\\");
if (!pm->s3_disabled) {
@@ -1027,6 +1029,55 @@ build_ssdt(GArray *table_data, GArray *linker,
/* build memory devices */
assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
+ scope = aml_scope("\\_SB.PCI0." stringify(MEMORY_HOTPLUG_DEVICE));
+ aml_append(scope,
+ aml_name_decl(stringify(MEMORY_SLOTS_NUMBER), aml_int(nr_mem))
+ );
+
+ crs = aml_resource_template();
+ aml_append(crs,
+ aml_io(aml_decode16, pm->mem_hp_io_base, pm->mem_hp_io_base, 0,
+ pm->mem_hp_io_len)
+ );
+ aml_append(scope, aml_name_decl("_CRS", crs));
+
+ aml_append(scope, aml_operation_region(
+ stringify(MEMORY_HOTPLUG_IO_REGION), aml_system_io,
+ pm->mem_hp_io_base, pm->mem_hp_io_len)
+ );
+
+ field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), aml_dword_acc);
+ aml_append(field, /* read only */
+ aml_named_field(stringify(MEMORY_SLOT_ADDR_LOW), 32));
+ aml_append(field, /* read only */
+ aml_named_field(stringify(MEMORY_SLOT_ADDR_HIGH), 32));
+ aml_append(field, /* read only */
+ aml_named_field(stringify(MEMORY_SLOT_SIZE_LOW), 32));
+ aml_append(field, /* read only */
+ aml_named_field(stringify(MEMORY_SLOT_SIZE_HIGH), 32));
+ aml_append(field, /* read only */
+ aml_named_field(stringify(MEMORY_SLOT_PROXIMITY), 32));
+ aml_append(scope, field);
+
+ field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), aml_byte_acc);
+ aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
+ aml_append(field, /* 1 if enabled, read only */
+ aml_named_field(stringify(MEMORY_SLOT_ENABLED), 1));
+ aml_append(field,
+ /*(read) 1 if has a insert event. (write) 1 to clear event */
+ aml_named_field(stringify(MEMORY_SLOT_INSERT_EVENT), 1));
+ aml_append(scope, field);
+
+ field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), aml_dword_acc);
+ aml_append(field, /* DIMM selector, write only */
+ aml_named_field(stringify(MEMORY_SLOT_SLECTOR), 32));
+ aml_append(field, /* _OST event code, write only */
+ aml_named_field(stringify(MEMORY_SLOT_OST_EVENT), 32));
+ aml_append(field, /* _OST status code, write only */
+ aml_named_field(stringify(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." stringify(MEMORY_HOTPLUG_DEVICE) "."
diff --git a/hw/i386/acpi-dsdt-mem-hotplug.dsl b/hw/i386/acpi-dsdt-mem-hotplug.dsl
index 2a36c4799e..1e9ec39274 100644
--- a/hw/i386/acpi-dsdt-mem-hotplug.dsl
+++ b/hw/i386/acpi-dsdt-mem-hotplug.dsl
@@ -22,14 +22,16 @@
External(MEMORY_SLOTS_NUMBER, IntObj)
/* Memory hotplug IO registers */
- OperationRegion(MEMORY_HOTPLUG_IO_REGION, SystemIO,
- ACPI_MEMORY_HOTPLUG_BASE,
- ACPI_MEMORY_HOTPLUG_IO_LEN)
-
- Name(_CRS, ResourceTemplate() {
- IO(Decode16, ACPI_MEMORY_HOTPLUG_BASE, ACPI_MEMORY_HOTPLUG_BASE,
- 0, ACPI_MEMORY_HOTPLUG_IO_LEN, IO)
- })
+ External(MEMORY_SLOT_ADDR_LOW, FieldUnitObj) // read only
+ External(MEMORY_SLOT_ADDR_HIGH, FieldUnitObj) // read only
+ External(MEMORY_SLOT_SIZE_LOW, FieldUnitObj) // read only
+ External(MEMORY_SLOT_SIZE_HIGH, FieldUnitObj) // read only
+ External(MEMORY_SLOT_PROXIMITY, FieldUnitObj) // read only
+ External(MEMORY_SLOT_ENABLED, FieldUnitObj) // 1 if enabled, read only
+ External(MEMORY_SLOT_INSERT_EVENT, FieldUnitObj) // (read) 1 if has a insert event. (write) 1 to clear event
+ External(MEMORY_SLOT_SLECTOR, FieldUnitObj) // DIMM selector, write only
+ External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only
+ External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only
Method(_STA, 0) {
If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
@@ -39,25 +41,7 @@
Return(0xB)
}
- Field(MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) {
- MEMORY_SLOT_ADDR_LOW, 32, // read only
- MEMORY_SLOT_ADDR_HIGH, 32, // read only
- MEMORY_SLOT_SIZE_LOW, 32, // read only
- MEMORY_SLOT_SIZE_HIGH, 32, // read only
- MEMORY_SLOT_PROXIMITY, 32, // read only
- }
- Field(MEMORY_HOTPLUG_IO_REGION, ByteAcc, NoLock, Preserve) {
- Offset(20),
- MEMORY_SLOT_ENABLED, 1, // 1 if enabled, read only
- MEMORY_SLOT_INSERT_EVENT, 1, // (read) 1 if has a insert event. (write) 1 to clear event
- }
-
Mutex (MEMORY_SLOT_LOCK, 0)
- Field (MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) {
- MEMORY_SLOT_SLECTOR, 32, // DIMM selector, write only
- MEMORY_SLOT_OST_EVENT, 32, // _OST event code, write only
- MEMORY_SLOT_OST_STATUS, 32, // _OST status code, write only
- }
Method(MEMORY_SLOT_SCAN_METHOD, 0) {
If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
diff --git a/hw/i386/ssdt-misc.dsl b/hw/i386/ssdt-misc.dsl
index 81be858b85..2588e30e19 100644
--- a/hw/i386/ssdt-misc.dsl
+++ b/hw/i386/ssdt-misc.dsl
@@ -36,7 +36,5 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1)
Name(P1E, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
ACPI_EXTRACT_NAME_BUFFER8 acpi_pci64_length
Name(P1L, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
- ACPI_EXTRACT_NAME_DWORD_CONST ssdt_mctrl_nr_slots
- Name(MEMORY_SLOTS_NUMBER, 0x12345678)
}
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-13 17:40:43 +0000