diff options
Diffstat (limited to 'src/arch/i386/prefix/pxeprefix.S')
| -rw-r--r-- | src/arch/i386/prefix/pxeprefix.S | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/src/arch/i386/prefix/pxeprefix.S b/src/arch/i386/prefix/pxeprefix.S index 31b2102f6..6a8aeb3a0 100644 --- a/src/arch/i386/prefix/pxeprefix.S +++ b/src/arch/i386/prefix/pxeprefix.S @@ -321,112 +321,6 @@ finished: jmp run_etherboot /***************************************************************************** - * Subroutine: print character (with LF -> LF,CR translation) - * - * Parameters: - * %al : character to print - * Returns: - * Nothing - ***************************************************************************** - */ -print_character: - /* Preserve registers */ - pushw %ax - pushw %bx - pushw %bp - /* Print character */ - movw $0x0007, %bx /* page 0, attribute 7 (normal) */ - movb $0x0e, %ah /* write char, tty mode */ - cmpb $0x0a, %al /* '\n'? */ - jne 1f - int $0x10 - movb $0x0d, %al -1: int $0x10 - /* Restore registers and return */ - popw %bp - popw %bx - popw %ax - ret - -/***************************************************************************** - * Subroutine: print a NUL-terminated string - * - * Parameters: - * %ds:%si : string to print - * Returns: - * Nothing - ***************************************************************************** - */ -print_message: - /* Preserve registers */ - pushw %ax - pushw %si - /* Print string */ -1: lodsb - testb %al, %al - je 2f - call print_character - jmp 1b -2: /* Restore registers and return */ - popw %si - popw %ax - ret - -/***************************************************************************** - * Subroutine: print hex digit - * - * Parameters: - * %al (low nibble) : digit to print - * Returns: - * Nothing - ***************************************************************************** - */ -print_hex_nibble: - /* Preserve registers */ - pushw %ax - /* Print digit (technique by Norbert Juffa <norbert.juffa@amd.com> */ - andb $0x0f, %al - cmpb $10, %al - sbbb $0x69, %al - das - call print_character - /* Restore registers and return */ - popw %ax - ret - -/***************************************************************************** - * Subroutine: print hex byte - * - * Parameters: - * %al : byte to print - * Returns: - * Nothing - ***************************************************************************** - */ -print_hex_byte: - rorb $4, %al - call print_hex_nibble - rorb $4, %al - call print_hex_nibble - ret - -/***************************************************************************** - * Subroutine: print hex word - * - * Parameters: - * %ax : word to print - * Returns: - * Nothing - ***************************************************************************** - */ -print_hex_word: - xchgb %al, %ah - call print_hex_byte - xchgb %al, %ah - call print_hex_byte - ret - -/***************************************************************************** * Subroutine: print segment:offset address * * Parameters: |