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authorBob Moore2015-12-29 13:56:53 +0800
committerRafael J. Wysocki2016-01-01 03:47:35 +0100
commit7910617efb5188c0b8dedab1857b12d078957a79 (patch)
treeecfb79e7c2175a3526f9b10fe5a7559cfa2af7b5 /drivers/acpi/acpica
parent3727ec2a03d3581b2e0d326bedfb92706a9b4d0f (diff)
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/acpica')
-rw-r--r--drivers/acpi/acpica/acopcode.h2
-rw-r--r--drivers/acpi/acpica/exmisc.c41
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: