diff options
| author | Bob Moore <robert.moore@intel.com> | 2015-12-29 13:56:53 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-01 03:47:35 +0100 |
| commit | 7910617efb5188c0b8dedab1857b12d078957a79 (patch) | |
| tree | ecfb79e7c2175a3526f9b10fe5a7559cfa2af7b5 /drivers/acpi | |
| parent | 3727ec2a03d3581b2e0d326bedfb92706a9b4d0f (diff) | |
| download | linux-7910617efb5188c0b8dedab1857b12d078957a79.tar.bz2 | |
ACPICA: Concatenate operator: Add extensions to support all ACPI objects
ACPICA commit 3420c1f5e6c6dd4fe51be4d98da69b3197d608df
Emits strings for all the object types besides int/str/buf.
This simplifies and extends the usefulness of the Printf macros.
Link: https://github.com/acpica/acpica/commit/3420c1f5
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/acopcode.h | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/exmisc.c | 41 |
2 files changed, 37 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h index f9acf92fa0bc..db71b021e42a 100644 --- a/drivers/acpi/acpica/acopcode.h +++ b/drivers/acpi/acpica/acopcode.h @@ -223,7 +223,7 @@ #define ARGI_BUFFER_OP ARGI_LIST1 (ARGI_INTEGER) #define ARGI_BYTE_OP ARGI_INVALID_OPCODE #define ARGI_BYTELIST_OP ARGI_INVALID_OPCODE -#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA, ARGI_TARGETREF) +#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_ANYTYPE, ARGI_ANYTYPE, ARGI_TARGETREF) #define ARGI_CONCAT_RES_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_BUFFER, ARGI_TARGETREF) #define ARGI_COND_REF_OF_OP ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF) #define ARGI_CONNECTFIELD_OP ARGI_INVALID_OPCODE diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index a8ce8a8778b3..f598b3948c17 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -247,6 +247,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, union acpi_operand_object *local_operand1 = operand1; union acpi_operand_object *return_desc; char *new_buf; + const char *type_string; acpi_status status; ACPI_FUNCTION_TRACE(ex_do_concatenate); @@ -266,10 +267,41 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, break; case ACPI_TYPE_STRING: + /* + * Per the ACPI spec, Concatenate only supports int/str/buf. + * However, we support all objects here as an extension. + * This improves the usefulness of the Printf() macro. + * 12/2015. + */ + switch (operand1->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + status = + acpi_ex_convert_to_string(operand1, &local_operand1, + ACPI_IMPLICIT_CONVERT_HEX); + break; - status = - acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); + default: + /* + * Just emit a string containing the object type. + */ + type_string = + acpi_ut_get_type_name(operand1->common.type); + + local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9)); /* 9 For "[Object]" */ + if (!local_operand1) { + status = AE_NO_MEMORY; + goto cleanup; + } + + strcpy(local_operand1->string.pointer, "["); + strcat(local_operand1->string.pointer, type_string); + strcat(local_operand1->string.pointer, " Object]"); + status = AE_OK; + break; + } break; case ACPI_TYPE_BUFFER: @@ -348,8 +380,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, /* Concatenate the strings */ strcpy(new_buf, operand0->string.pointer); - strcpy(new_buf + operand0->string.length, - local_operand1->string.pointer); + strcat(new_buf, local_operand1->string.pointer); break; case ACPI_TYPE_BUFFER: |