308 lines
7.1 KiB
C
308 lines
7.1 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/******************************************************************************
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*
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* Module Name: utbuffer - Buffer dump routines
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*
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* Copyright (C) 2000 - 2022, Intel Corp.
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*
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*****************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utbuffer")
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_dump_buffer
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*
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* PARAMETERS: buffer - Buffer to dump
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* count - Amount to dump, in bytes
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* display - BYTE, WORD, DWORD, or QWORD display:
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* DB_BYTE_DISPLAY
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* DB_WORD_DISPLAY
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* DB_DWORD_DISPLAY
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* DB_QWORD_DISPLAY
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* base_offset - Beginning buffer offset (display only)
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*
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* RETURN: None
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*
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* DESCRIPTION: Generic dump buffer in both hex and ascii.
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*
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******************************************************************************/
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void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
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{
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u32 i = 0;
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u32 j;
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u32 temp32;
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u8 buf_char;
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u32 display_data_only = display & DB_DISPLAY_DATA_ONLY;
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display &= ~DB_DISPLAY_DATA_ONLY;
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if (!buffer) {
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acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
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return;
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}
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if ((count < 4) || (count & 0x01)) {
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display = DB_BYTE_DISPLAY;
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}
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/* Nasty little dump buffer routine! */
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while (i < count) {
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/* Print current offset */
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if (!display_data_only) {
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acpi_os_printf("%8.4X: ", (base_offset + i));
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}
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/* Print 16 hex chars */
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for (j = 0; j < 16;) {
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if (i + j >= count) {
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/* Dump fill spaces */
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acpi_os_printf("%*s", ((display * 2) + 1), " ");
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j += display;
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continue;
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}
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switch (display) {
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case DB_BYTE_DISPLAY:
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default: /* Default is BYTE display */
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acpi_os_printf("%02X ",
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buffer[(acpi_size)i + j]);
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break;
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case DB_WORD_DISPLAY:
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ACPI_MOVE_16_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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acpi_os_printf("%04X ", temp32);
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break;
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case DB_DWORD_DISPLAY:
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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acpi_os_printf("%08X ", temp32);
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break;
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case DB_QWORD_DISPLAY:
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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acpi_os_printf("%08X", temp32);
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j +
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4]);
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acpi_os_printf("%08X ", temp32);
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break;
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}
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j += display;
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}
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/*
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* Print the ASCII equivalent characters but watch out for the bad
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* unprintable ones (printable chars are 0x20 through 0x7E)
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*/
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if (!display_data_only) {
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acpi_os_printf(" ");
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for (j = 0; j < 16; j++) {
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if (i + j >= count) {
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acpi_os_printf("\n");
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return;
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}
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/*
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* Add comment characters so rest of line is ignored when
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* compiled
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*/
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if (j == 0) {
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acpi_os_printf("// ");
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}
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buf_char = buffer[(acpi_size)i + j];
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if (isprint(buf_char)) {
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acpi_os_printf("%c", buf_char);
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} else {
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acpi_os_printf(".");
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}
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}
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/* Done with that line. */
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acpi_os_printf("\n");
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}
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i += 16;
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}
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return;
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_debug_dump_buffer
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*
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* PARAMETERS: buffer - Buffer to dump
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* count - Amount to dump, in bytes
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* display - BYTE, WORD, DWORD, or QWORD display:
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* DB_BYTE_DISPLAY
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* DB_WORD_DISPLAY
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* DB_DWORD_DISPLAY
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* DB_QWORD_DISPLAY
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* component_ID - Caller's component ID
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*
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* RETURN: None
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*
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* DESCRIPTION: Generic dump buffer in both hex and ascii.
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*
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******************************************************************************/
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void
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acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
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{
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/* Only dump the buffer if tracing is enabled */
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if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
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(component_id & acpi_dbg_layer))) {
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return;
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}
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acpi_ut_dump_buffer(buffer, count, display, 0);
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}
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#ifdef ACPI_APPLICATION
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_dump_buffer_to_file
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*
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* PARAMETERS: file - File descriptor
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* buffer - Buffer to dump
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* count - Amount to dump, in bytes
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* display - BYTE, WORD, DWORD, or QWORD display:
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* DB_BYTE_DISPLAY
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* DB_WORD_DISPLAY
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* DB_DWORD_DISPLAY
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* DB_QWORD_DISPLAY
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* base_offset - Beginning buffer offset (display only)
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*
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* RETURN: None
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*
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* DESCRIPTION: Generic dump buffer in both hex and ascii to a file.
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*
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******************************************************************************/
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void
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acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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u8 *buffer, u32 count, u32 display, u32 base_offset)
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{
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u32 i = 0;
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u32 j;
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u32 temp32;
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u8 buf_char;
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if (!buffer) {
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fprintf(file, "Null Buffer Pointer in DumpBuffer!\n");
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return;
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}
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if ((count < 4) || (count & 0x01)) {
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display = DB_BYTE_DISPLAY;
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}
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/* Nasty little dump buffer routine! */
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while (i < count) {
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/* Print current offset */
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fprintf(file, "%8.4X: ", (base_offset + i));
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/* Print 16 hex chars */
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for (j = 0; j < 16;) {
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if (i + j >= count) {
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/* Dump fill spaces */
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fprintf(file, "%*s", ((display * 2) + 1), " ");
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j += display;
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continue;
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}
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switch (display) {
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case DB_BYTE_DISPLAY:
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default: /* Default is BYTE display */
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fprintf(file, "%02X ",
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buffer[(acpi_size)i + j]);
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break;
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case DB_WORD_DISPLAY:
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ACPI_MOVE_16_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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fprintf(file, "%04X ", temp32);
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break;
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case DB_DWORD_DISPLAY:
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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fprintf(file, "%08X ", temp32);
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break;
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case DB_QWORD_DISPLAY:
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j]);
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fprintf(file, "%08X", temp32);
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ACPI_MOVE_32_TO_32(&temp32,
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&buffer[(acpi_size)i + j +
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4]);
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fprintf(file, "%08X ", temp32);
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break;
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}
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j += display;
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}
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/*
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* Print the ASCII equivalent characters but watch out for the bad
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* unprintable ones (printable chars are 0x20 through 0x7E)
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*/
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fprintf(file, " ");
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for (j = 0; j < 16; j++) {
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if (i + j >= count) {
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fprintf(file, "\n");
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return;
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}
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buf_char = buffer[(acpi_size)i + j];
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if (isprint(buf_char)) {
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fprintf(file, "%c", buf_char);
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} else {
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fprintf(file, ".");
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}
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}
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/* Done with that line. */
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fprintf(file, "\n");
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i += 16;
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}
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return;
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}
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#endif
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