1 files changed, 128 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c
index 3c1699740653..038ea887f562 100644
--- a/drivers/acpi/acpica/utbuffer.c
+++ b/drivers/acpi/acpica/utbuffer.c
@@ -199,3 +199,131 @@ acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
 
         acpi_ut_dump_buffer(buffer, count, display, 0);
 }
+
+#ifdef ACPI_APPLICATION
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_dump_buffer_to_file
+ *
+ * PARAMETERS:  file                - File descriptor
+ *              buffer              - Buffer to dump
+ *              count               - Amount to dump, in bytes
+ *              display             - BYTE, WORD, DWORD, or QWORD display:
+ *                                      DB_BYTE_DISPLAY
+ *                                      DB_WORD_DISPLAY
+ *                                      DB_DWORD_DISPLAY
+ *                                      DB_QWORD_DISPLAY
+ *              base_offset         - Beginning buffer offset (display only)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii to a file.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_dump_buffer_to_file(ACPI_FILE file,
+                            u8 *buffer, u32 count, u32 display, u32 base_offset)
+{
+        u32 i = 0;
+        u32 j;
+        u32 temp32;
+        u8 buf_char;
+
+        if (!buffer) {
+                acpi_ut_file_printf(file,
+                                    "Null Buffer Pointer in DumpBuffer!\n");
+                return;
+        }
+
+        if ((count < 4) || (count & 0x01)) {
+                display = DB_BYTE_DISPLAY;
+        }
+
+        /* Nasty little dump buffer routine! */
+
+        while (i < count) {
+
+                /* Print current offset */
+
+                acpi_ut_file_printf(file, "%6.4X: ", (base_offset + i));
+
+                /* Print 16 hex chars */
+
+                for (j = 0; j < 16;) {
+                        if (i + j >= count) {
+
+                                /* Dump fill spaces */
+
+                                acpi_ut_file_printf(file, "%*s",
+                                                    ((display * 2) + 1), " ");
+                                j += display;
+                                continue;
+                        }
+
+                        switch (display) {
+                        case DB_BYTE_DISPLAY:
+                        default:        /* Default is BYTE display */
+
+                                acpi_ut_file_printf(file, "%02X ",
+                                                    buffer[(acpi_size) i + j]);
+                                break;
+
+                        case DB_WORD_DISPLAY:
+
+                                ACPI_MOVE_16_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_ut_file_printf(file, "%04X ", temp32);
+                                break;
+
+                        case DB_DWORD_DISPLAY:
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_ut_file_printf(file, "%08X ", temp32);
+                                break;
+
+                        case DB_QWORD_DISPLAY:
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_ut_file_printf(file, "%08X", temp32);
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j +
+                                                           4]);
+                                acpi_ut_file_printf(file, "%08X ", temp32);
+                                break;
+                        }
+
+                        j += display;
+                }
+
+                /*
+                 * Print the ASCII equivalent characters but watch out for the bad
+                 * unprintable ones (printable chars are 0x20 through 0x7E)
+                 */
+                acpi_ut_file_printf(file, " ");
+                for (j = 0; j < 16; j++) {
+                        if (i + j >= count) {
+                                acpi_ut_file_printf(file, "\n");
+                                return;
+                        }
+
+                        buf_char = buffer[(acpi_size) i + j];
+                        if (ACPI_IS_PRINT(buf_char)) {
+                                acpi_ut_file_printf(file, "%c", buf_char);
+                        } else {
+                                acpi_ut_file_printf(file, ".");
+                        }
+                }
+
+                /* Done with that line. */
+
+                acpi_ut_file_printf(file, "\n");
+                i += 16;
+        }
+
+        return;
+}
+#endif