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[Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT metho
From: |
Marcel Apfelbaum |
Subject: |
[Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses |
Date: |
Thu, 5 Mar 2015 16:55:08 +0200 |
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
hw/i386/acpi-build.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index e5709e8..f0401d2 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -664,6 +664,83 @@ static void build_append_pci_bus_devices(Aml
*parent_scope, PCIBus *bus,
aml_append(parent_scope, method);
}
+static Aml *build_prt(void)
+{
+ Aml *method, *pkg, *if_ctx, *while_ctx;
+
+ method = aml_method("_PRT", 0);
+
+ aml_append(method, aml_store(aml_package(128), aml_local(0)));
+ aml_append(method, aml_store(aml_int(0), aml_local(1)));
+ while_ctx = aml_while(aml_lless(aml_local(1), aml_int(128)));
+ {
+ aml_append(while_ctx,
+ aml_store(aml_shiftright(aml_local(1), aml_int(2)), aml_local(2)));
+ aml_append(while_ctx,
+ aml_store(aml_and(aml_add(aml_local(1), aml_local(2)), aml_int(3)),
+ aml_local(3)));
+
+ if_ctx = aml_if(aml_equal(aml_local(3), aml_int(0)));
+ {
+ pkg = aml_package(4);
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_name("LNKD"));
+ aml_append(pkg, aml_int(0));
+ aml_append(if_ctx, aml_store(pkg, aml_local(4)));
+ }
+ aml_append(while_ctx, if_ctx);
+
+ if_ctx = aml_if(aml_equal(aml_local(3), aml_int(1)));
+ {
+ pkg = aml_package(4);
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_name("LNKA"));
+ aml_append(pkg, aml_int(0));
+ aml_append(if_ctx, aml_store(pkg, aml_local(4)));
+ }
+ aml_append(while_ctx, if_ctx);
+
+ if_ctx = aml_if(aml_equal(aml_local(3), aml_int(2)));
+ {
+ pkg = aml_package(4);
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_name("LNKB"));
+ aml_append(pkg, aml_int(0));
+ aml_append(if_ctx, aml_store(pkg, aml_local(4)));
+ }
+ aml_append(while_ctx, if_ctx);
+
+ if_ctx = aml_if(aml_equal(aml_local(3), aml_int(3)));
+ {
+ pkg = aml_package(4);
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_int(0));
+ aml_append(pkg, aml_name("LNKC"));
+ aml_append(pkg, aml_int(0));
+ aml_append(if_ctx, aml_store(pkg, aml_local(4)));
+ }
+ aml_append(while_ctx, if_ctx);
+
+ aml_append(while_ctx,
+ aml_store(aml_or(aml_shiftleft(aml_local(2), aml_int(16)),
+ aml_int(0xFFFF)),
+ aml_index(aml_local(4), aml_int(0))));
+ aml_append(while_ctx,
+ aml_store(aml_and(aml_local(1), aml_int(3)),
+ aml_index(aml_local(4), aml_int(1))));
+ aml_append(while_ctx,
+ aml_store(aml_local(4), aml_index(aml_local(0), aml_local(1))));
+ aml_append(while_ctx, aml_increment(aml_local(1)));
+ }
+ aml_append(method, while_ctx);
+ aml_append(method, aml_return(aml_local(0)));
+
+ return method;
+}
+
static void
build_ssdt(GArray *table_data, GArray *linker,
AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc,
@@ -708,6 +785,7 @@ build_ssdt(GArray *table_data, GArray *linker,
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A03")));
aml_append(dev,
aml_name_decl("_BBN", aml_int((uint8_t)bus_info->bus)));
+ aml_append(dev, build_prt());
aml_append(scope, dev);
aml_append(ssdt, scope);
}
--
2.1.0
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 02/24] acpi: add aml_add() term, (continued)
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 05/24] acpi: add aml_shiftleft() term, Marcel Apfelbaum, 2015/03/05
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 06/24] acpi: add aml_shiftright() term, Marcel Apfelbaum, 2015/03/05
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 07/24] acpi: add aml_increment() term, Marcel Apfelbaum, 2015/03/05
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 08/24] acpi: add aml_while() term, Marcel Apfelbaum, 2015/03/05
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 09/24] hw/acpi: add support for multiple root busses, Marcel Apfelbaum, 2015/03/05
- [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses,
Marcel Apfelbaum <=
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Michael S. Tsirkin, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Marcel Apfelbaum, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Michael S. Tsirkin, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Marcel Apfelbaum, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Michael S. Tsirkin, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Marcel Apfelbaum, 2015/03/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 for-2.3 10/24] hw/apci: add _PRT method for extra PCI root busses, Michael S. Tsirkin, 2015/03/08