diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2015-12-28 18:02:40 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-09 23:20:18 +0200 |
| commit | 100681ccf1f97d220fbc620c9226701773cc7eaf (patch) | |
| tree | 8be1f7566899f7c37220acde11bb5d57abebeab8 /hw/i386/acpi-build.c | |
| parent | c35b6e8032105a4f457508d0a9e4bcd6e0392fc1 (diff) | |
pc: acpi: piix4: move IQCR() into SSDT
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/acpi-build.c')
| -rw-r--r-- | hw/i386/acpi-build.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 799efe50cd..2f2ff67ea4 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1470,6 +1470,7 @@ static void build_piix4_pci0_int(Aml *table) Aml *dev; Aml *crs; Aml *field; + Aml *if_ctx; Aml *method; uint32_t irqs; Aml *sb_scope = aml_scope("_SB"); @@ -1481,6 +1482,25 @@ static void build_piix4_pci0_int(Aml *table) aml_append(field, aml_named_field("PRQ3", 8)); aml_append(sb_scope, field); + /* _CRS method - get current settings */ + method = aml_method("IQCR", 1, AML_SERIALIZED); + { + crs = aml_resource_template(); + irqs = 0; + aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, + AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); + aml_append(method, aml_name_decl("PRR0", crs)); + + aml_append(method, + aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI")); + + if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80))); + aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI"))); + aml_append(method, if_ctx); + aml_append(method, aml_return(aml_name("PRR0"))); + } + aml_append(sb_scope, method); + aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"))); aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"))); aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"))); |