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pc: acpi: piix4: move IQCR() into SSDT

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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>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:40 +01:00 • committed by Michael S. Tsirkin
parent c35b6e8032
commit 100681ccf1
2 changed files with 20 additions and 11 deletions
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20
hw/i386/acpi-build.c
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@ -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")));