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hw/acpi/aml-build: Add aml_create_dword_field() term

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Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1432522520-8068-20-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Shannon Zhao 2015-05-29 11:28:58 +01:00 committed by Peter Maydell
parent 467b07dfae
commit ed8176a37a
2 changed files with 12 additions and 0 deletions
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11
hw/acpi/aml-build.c
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@ -738,6 +738,17 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule)
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
{
Aml *var = aml_alloc();
build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */
aml_append(var, srcbuf);
aml_append(var, index);
build_append_namestring(var->buf, "%s", name);
return var;
}
/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
Aml *aml_string(const char *name_format, ...)
{

1
include/hw/acpi/aml-build.h
View file

@ -259,6 +259,7 @@ Aml *aml_package(uint8_t num_elements);
Aml *aml_buffer(int buffer_size, uint8_t *byte_list);
Aml *aml_resource_template(void);
Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_varpackage(uint32_t num_elements);
Aml *aml_touuid(const char *uuid);