ACPICA: Clib: Add -nostdinc support for EFI layer
ACPICA commit d261d40ea168f8e4c4e3986de720b8651c4aba1c This patch adds sprintf()/snprintf()/vsnprintf()/printf()/vfprintf() support for OSPMs that have ACPI_USE_SYSTEM_CLIBRARY defined but do not have ACPI_USE_STANDARD_HEADERS defined. -iwithprefix include is required to include <stdarg.h> which contains compiler specific implementation of vargs when -nostdinc is specified. -fno-builtin is required for GCC to avoid optimization performed printf(). This optimization cannot be automatically disabled by specifying -nostdlib. Please refer to the first link below for the details. However, the build option changes do not affect Linux kernel builds and are not included. Lv Zheng. Link: http://www.ciselant.de/projects/gcc_printf/gcc_printf.html Link: https://github.com/acpica/acpica/commit/d261d40e Link: https://bugs.acpica.org/show_bug.cgi?id=1302 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng
Rafael J. Wysocki
parent
e323c02dee
commit
f173a7750e
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@ -723,25 +723,6 @@ const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
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const char *acpi_ah_match_uuid(u8 *data);
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/*
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* utprint - printf/vprintf output functions
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*/
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const char *acpi_ut_scan_number(const char *string, u64 *number_ptr);
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const char *acpi_ut_print_number(char *string, u64 number);
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int
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acpi_ut_vsnprintf(char *string,
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acpi_size size, const char *format, va_list args);
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int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...);
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#ifdef ACPI_APPLICATION
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int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args);
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int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...);
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#endif
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/*
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* utuuid -- UUID support functions
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*/
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@ -239,8 +239,7 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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u8 buf_char;
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if (!buffer) {
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acpi_ut_file_printf(file,
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"Null Buffer Pointer in DumpBuffer!\n");
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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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@ -254,7 +253,7 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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/* Print current offset */
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acpi_ut_file_printf(file, "%6.4X: ", (base_offset + i));
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fprintf(file, "%6.4X: ", (base_offset + i));
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/* Print 16 hex chars */
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@ -263,8 +262,7 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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/* Dump fill spaces */
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acpi_ut_file_printf(file, "%*s",
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((display * 2) + 1), " ");
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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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@ -273,34 +271,34 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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case DB_BYTE_DISPLAY:
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default: /* Default is BYTE display */
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acpi_ut_file_printf(file, "%02X ",
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buffer[(acpi_size)i + j]);
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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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acpi_ut_file_printf(file, "%04X ", temp32);
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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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acpi_ut_file_printf(file, "%08X ", temp32);
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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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acpi_ut_file_printf(file, "%08X", temp32);
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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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acpi_ut_file_printf(file, "%08X ", temp32);
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fprintf(file, "%08X ", temp32);
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break;
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}
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@ -311,24 +309,24 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file,
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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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acpi_ut_file_printf(file, " ");
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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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acpi_ut_file_printf(file, "\n");
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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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acpi_ut_file_printf(file, "%c", buf_char);
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fprintf(file, "%c", buf_char);
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} else {
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acpi_ut_file_printf(file, ".");
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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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acpi_ut_file_printf(file, "\n");
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fprintf(file, "\n");
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i += 16;
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}
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@ -646,7 +646,7 @@ void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...)
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va_list args;
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va_start(args, format);
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(void)acpi_ut_file_vprintf(ACPI_FILE_ERR, format, args);
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(void)vfprintf(ACPI_FILE_ERR, format, args);
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va_end(args);
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}
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@ -336,7 +336,7 @@ static char *acpi_ut_format_number(char *string,
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_vsnprintf
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* FUNCTION: vsnprintf
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*
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* PARAMETERS: string - String with boundary
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* size - Boundary of the string
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@ -349,9 +349,7 @@ static char *acpi_ut_format_number(char *string,
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*
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******************************************************************************/
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int
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acpi_ut_vsnprintf(char *string,
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acpi_size size, const char *format, va_list args)
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int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
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{
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u8 base;
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u8 type;
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@ -586,7 +584,7 @@ acpi_ut_vsnprintf(char *string,
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_snprintf
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* FUNCTION: snprintf
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*
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* PARAMETERS: string - String with boundary
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* size - Boundary of the string
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@ -598,13 +596,38 @@ acpi_ut_vsnprintf(char *string,
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*
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******************************************************************************/
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int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...)
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int snprintf(char *string, acpi_size size, const char *format, ...)
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{
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va_list args;
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int length;
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va_start(args, format);
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length = acpi_ut_vsnprintf(string, size, format, args);
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length = vsnprintf(string, size, format, args);
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va_end(args);
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return (length);
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}
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/*******************************************************************************
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*
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* FUNCTION: sprintf
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*
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* PARAMETERS: string - String with boundary
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* Format, ... - Standard printf format
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*
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* RETURN: Number of bytes actually written.
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*
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* DESCRIPTION: Formatted output to a string.
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*
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******************************************************************************/
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int sprintf(char *string, const char *format, ...)
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{
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va_list args;
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int length;
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va_start(args, format);
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length = vsnprintf(string, ACPI_UINT32_MAX, format, args);
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va_end(args);
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return (length);
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@ -613,7 +636,60 @@ int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...)
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#ifdef ACPI_APPLICATION
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_file_vprintf
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* FUNCTION: vprintf
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*
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* PARAMETERS: format - Standard printf format
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* args - Argument list
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*
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* RETURN: Number of bytes actually written.
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*
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* DESCRIPTION: Formatted output to stdout using argument list pointer.
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*
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******************************************************************************/
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int vprintf(const char *format, va_list args)
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{
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acpi_cpu_flags flags;
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int length;
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flags = acpi_os_acquire_lock(acpi_gbl_print_lock);
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length = vsnprintf(acpi_gbl_print_buffer,
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sizeof(acpi_gbl_print_buffer), format, args);
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(void)acpi_os_write_file(ACPI_FILE_OUT, acpi_gbl_print_buffer, length,
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1);
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acpi_os_release_lock(acpi_gbl_print_lock, flags);
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return (length);
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}
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/*******************************************************************************
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*
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* FUNCTION: printf
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*
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* PARAMETERS: Format, ... - Standard printf format
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*
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* RETURN: Number of bytes actually written.
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*
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* DESCRIPTION: Formatted output to stdout.
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*
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******************************************************************************/
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int printf(const char *format, ...)
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{
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va_list args;
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int length;
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va_start(args, format);
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length = vprintf(format, args);
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va_end(args);
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return (length);
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}
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/*******************************************************************************
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*
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* FUNCTION: vfprintf
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*
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* PARAMETERS: file - File descriptor
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* format - Standard printf format
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@ -625,14 +701,14 @@ int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...)
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*
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******************************************************************************/
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int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args)
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int vfprintf(FILE * file, const char *format, va_list args)
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{
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acpi_cpu_flags flags;
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int length;
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flags = acpi_os_acquire_lock(acpi_gbl_print_lock);
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length = acpi_ut_vsnprintf(acpi_gbl_print_buffer,
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sizeof(acpi_gbl_print_buffer), format, args);
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length = vsnprintf(acpi_gbl_print_buffer,
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sizeof(acpi_gbl_print_buffer), format, args);
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(void)acpi_os_write_file(file, acpi_gbl_print_buffer, length, 1);
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acpi_os_release_lock(acpi_gbl_print_lock, flags);
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@ -642,7 +718,7 @@ int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_file_printf
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* FUNCTION: fprintf
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*
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* PARAMETERS: file - File descriptor
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* Format, ... - Standard printf format
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@ -653,13 +729,13 @@ int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args)
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*
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******************************************************************************/
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int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...)
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int fprintf(FILE * file, const char *format, ...)
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{
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va_list args;
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int length;
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va_start(args, format);
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length = acpi_ut_file_vprintf(file, format, args);
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length = vfprintf(file, format, args);
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va_end(args);
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return (length);
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@ -195,13 +195,13 @@ ap_dump_table_buffer(struct acpi_table_header *table,
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* Note: simplest to just always emit a 64-bit address. acpi_xtract
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* utility can handle this.
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*/
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acpi_ut_file_printf(gbl_output_file, "%4.4s @ 0x%8.8X%8.8X\n",
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table->signature, ACPI_FORMAT_UINT64(address));
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fprintf(gbl_output_file, "%4.4s @ 0x%8.8X%8.8X\n",
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table->signature, ACPI_FORMAT_UINT64(address));
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acpi_ut_dump_buffer_to_file(gbl_output_file,
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ACPI_CAST_PTR(u8, table), table_length,
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DB_BYTE_DISPLAY, 0);
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acpi_ut_file_printf(gbl_output_file, "\n");
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fprintf(gbl_output_file, "\n");
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return (0);
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}
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@ -157,8 +157,7 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
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/* Handle multiple SSDts - create different filenames for each */
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if (instance > 0) {
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acpi_ut_snprintf(instance_str, sizeof(instance_str), "%u",
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instance);
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snprintf(instance_str, sizeof(instance_str), "%u", instance);
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strcat(filename, instance_str);
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}
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