Extract the code that reserves resources for ACPI PCI hotplug
into a new helper named build_append_pcihp_resources() and
move it to pcihp.c. We will reuse it on ARM.
Signed-off-by: Eric Auger <eric.au...@redhat.com>
---
include/hw/acpi/pcihp.h | 2 ++
hw/acpi/pcihp.c | 20 ++++++++++++++++++++
hw/i386/acpi-build.c | 15 ++-------------
3 files changed, 24 insertions(+), 13 deletions(-)
diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h
index 95efe9a804..ec9b010e4a 100644
--- a/include/hw/acpi/pcihp.h
+++ b/include/hw/acpi/pcihp.h
@@ -75,6 +75,8 @@ void acpi_pcihp_device_unplug_request_cb(HotplugHandler
*hotplug_dev,
void build_acpi_pci_hotplug(Aml *table, uint64_t pcihp_addr);
void build_append_pci_dsm_func0_common(Aml *ctx, Aml *retvar);
+void build_append_pcihp_resources(Aml *table,
+ uint64_t io_addr, uint64_t io_len);
/* Called on reset */
void acpi_pcihp_reset(AcpiPciHpState *s);
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index e0260f67e6..fb54c31f77 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -685,6 +685,26 @@ void build_acpi_pci_hotplug(Aml *table, uint64_t
pcihp_addr)
aml_append(table, scope);
}
+/* Reserve PCIHP resources */
+void build_append_pcihp_resources(Aml *scope /* \\_SB.PCI0 */,
+ uint64_t io_addr, uint64_t io_len)
+{
+ Aml *dev, *crs;
+
+ dev = aml_device("PHPR");
+ aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06")));
+ aml_append(dev,
+ aml_name_decl("_UID", aml_string("PCI Hotplug resources")));
+ /* device present, functioning, decoding, not shown in UI */
+ aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
+ crs = aml_resource_template();
+ aml_append(crs,
+ aml_io(AML_DECODE16, io_addr, io_addr, 1, io_len)
+ );
+ aml_append(dev, aml_name_decl("_CRS", crs));
+ aml_append(scope, dev);
+}
+
const VMStateDescription vmstate_acpi_pcihp_pci_status = {
.name = "acpi_pcihp_pci_status",
.version_id = 1,
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 41fde88b22..ca59185aac 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1432,19 +1432,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
/* reserve PCIHP resources */
if (pm->pcihp_io_len && (pm->pcihp_bridge_en || pm->pcihp_root_en)) {
- dev = aml_device("PHPR");
- aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06")));
- aml_append(dev,
- aml_name_decl("_UID", aml_string("PCI Hotplug resources")));
- /* device present, functioning, decoding, not shown in UI */
- aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
- crs = aml_resource_template();
- aml_append(crs,
- aml_io(AML_DECODE16, pm->pcihp_io_base, pm->pcihp_io_base, 1,
- pm->pcihp_io_len)
- );
- aml_append(dev, aml_name_decl("_CRS", crs));
- aml_append(scope, dev);
+ build_append_pcihp_resources(scope,
+ pm->pcihp_io_base, pm->pcihp_io_len);
}
aml_append(dsdt, scope);
--
2.49.0
