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hw/acpi/aml-build: Add Unicode macro 

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1432522520-8068-22-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 11:28:59 +01:00 committed by Peter Maydell
parent 616ef329ad
commit e1f776c434
2 changed files with 18 additions and 0 deletions
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17
hw/acpi/aml-build.c
View File

@ -1069,6 +1069,23 @@ Aml *aml_touuid(const char *uuid)
return var; return var;
} }
/*
* ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
*/
Aml *aml_unicode(const char *str)
{
int i = 0;
Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
do {
build_append_byte(var->buf, str[i]);
build_append_byte(var->buf, 0);
i++;
} while (i <= strlen(str));
return var;
}
void void
build_header(GArray *linker, GArray *table_data, build_header(GArray *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev) AcpiTableHeader *h, const char *sig, int len, uint8_t rev)

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

@ -267,6 +267,7 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name); Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_varpackage(uint32_t num_elements); Aml *aml_varpackage(uint32_t num_elements);
Aml *aml_touuid(const char *uuid); Aml *aml_touuid(const char *uuid);
Aml *aml_unicode(const char *str);
void void
build_header(GArray *linker, GArray *table_data, build_header(GArray *linker, GArray *table_data,