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| author | Igor Mammedov <imammedo@redhat.com> | 2015-12-28 18:02:30 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-09 23:20:18 +0200 |
| commit | 3892a2b7418149020a5c3bdda241a14f8ef8c21a (patch) | |
| tree | 0356c831996fb9c46a02b8c7bcef0214954c34c9 /hw/i386/acpi-build.c | |
| parent | a57d708d1797ac84a9531402661487c46210057f (diff) | |
| download | focaccia-qemu-3892a2b7418149020a5c3bdda241a14f8ef8c21a.tar.gz focaccia-qemu-3892a2b7418149020a5c3bdda241a14f8ef8c21a.zip | |
pc: acpi: move DBUG() from DSDT to 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 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 07d13ae4c0..b0968c1e63 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1199,6 +1199,41 @@ static void build_hpet_aml(Aml *table) aml_append(table, scope); } +static void build_dbg_aml(Aml *table) +{ + Aml *field; + Aml *method; + Aml *while_ctx; + Aml *scope = aml_scope("\\"); + Aml *buf = aml_local(0); + Aml *len = aml_local(1); + Aml *idx = aml_local(2); + + aml_append(scope, + aml_operation_region("DBG", AML_SYSTEM_IO, 0x0402, 0x01)); + field = aml_field("DBG", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); + aml_append(field, aml_named_field("DBGB", 8)); + aml_append(scope, field); + + method = aml_method("DBUG", 1, AML_NOTSERIALIZED); + + aml_append(method, aml_to_hexstring(aml_arg(0), buf)); + aml_append(method, aml_to_buffer(buf, buf)); + aml_append(method, aml_subtract(aml_sizeof(buf), aml_int(1), len)); + aml_append(method, aml_store(aml_int(0), idx)); + + while_ctx = aml_while(aml_lless(idx, len)); + aml_append(while_ctx, + aml_store(aml_derefof(aml_index(buf, idx)), aml_name("DBGB"))); + aml_append(while_ctx, aml_increment(idx)); + aml_append(method, while_ctx); + + aml_append(method, aml_store(aml_int(0x0A), aml_name("DBGB"))); + aml_append(scope, method); + + aml_append(table, scope); +} + static void build_ssdt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc, @@ -1219,6 +1254,7 @@ build_ssdt(GArray *table_data, GArray *linker, /* Reserve space for header */ acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); + build_dbg_aml(ssdt); build_hpet_aml(ssdt); build_cpu_hotplug_aml(ssdt); build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base, |