1 files changed, 0 insertions, 299 deletions
diff --git a/util/lxbios/cmos_lowlevel.c b/util/lxbios/cmos_lowlevel.c
deleted file mode 100644
index ab116797a2..0000000000
--- a/util/lxbios/cmos_lowlevel.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*****************************************************************************\
- * cmos_lowlevel.c
- * $Id$
- *****************************************************************************
- *  Copyright (C) 2002-2005 The Regents of the University of California.
- *  Produced at the Lawrence Livermore National Laboratory.
- *  Written by David S. Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
- *  UCRL-CODE-2003-012
- *  All rights reserved.
- *
- *  This file is part of nvramtool, a utility for reading/writing coreboot
- *  parameters and displaying information from the coreboot table.
- *  For details, see http://coreboot.org/nvramtool.
- *
- *  Please also read the file DISCLAIMER which is included in this software
- *  distribution.
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License (as published by the
- *  Free Software Foundation) version 2, dated June 1991.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the terms and
- *  conditions of the GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-\*****************************************************************************/
-
-#include <sys/io.h>
-#include "common.h"
-#include "cmos_lowlevel.h"
-
-typedef struct
- { unsigned byte_index;
-   unsigned bit_offset;
- }
-cmos_bit_op_location_t;
-
-static unsigned cmos_bit_op_strategy (unsigned bit, unsigned bits_left,
-                                      cmos_bit_op_location_t *where);
-static unsigned char cmos_read_bits (const cmos_bit_op_location_t *where,
-                                     unsigned nr_bits);
-static void cmos_write_bits (const cmos_bit_op_location_t *where,
-                             unsigned nr_bits, unsigned char value);
-static unsigned char get_bits (unsigned long long value, unsigned bit,
-                               unsigned nr_bits);
-static void put_bits (unsigned char value, unsigned bit, unsigned nr_bits,
-                      unsigned long long *result);
-
-/****************************************************************************
- * get_bits
- *
- * Extract a value 'nr_bits' bits wide starting at bit position 'bit' from
- * 'value' and return the result.  It is assumed that 'nr_bits' is at most 8.
- ****************************************************************************/
-static inline unsigned char get_bits (unsigned long long value, unsigned bit,
-                                      unsigned nr_bits)
- { return (value >> bit) & ((unsigned char) ((1 << nr_bits) - 1)); }
-
-/****************************************************************************
- * put_bits
- *
- * Extract the low order 'nr_bits' bits from 'value' and store them in the
- * value pointed to by 'result' starting at bit position 'bit'.  The bit
- * positions in 'result' where the result is stored are assumed to be
- * initially zero.
- ****************************************************************************/
-static inline void put_bits (unsigned char value, unsigned bit,
-                             unsigned nr_bits, unsigned long long *result)
- { *result += (value & ((unsigned char) ((1 << nr_bits) - 1))) << bit; }
-
-/****************************************************************************
- * cmos_read
- *
- * Read value from nonvolatile RAM at position given by 'bit' and 'length'
- * and return this value.  The I/O privilege level of the currently executing
- * process must be set appropriately.
- ****************************************************************************/
-unsigned long long cmos_read (unsigned bit, unsigned length)
- { cmos_bit_op_location_t where;
-   unsigned next_bit, bits_left, nr_bits;
-   unsigned long long result;
-   unsigned char value;
-
-   assert(!verify_cmos_op(bit, length));
-   result = 0;
-
-   for (next_bit = 0, bits_left = length;
-        bits_left;
-        next_bit += nr_bits, bits_left -= nr_bits)
-    { nr_bits = cmos_bit_op_strategy(bit + next_bit, bits_left, &where);
-      value = cmos_read_bits(&where, nr_bits);
-      put_bits(value, next_bit, nr_bits, &result);
-    }
-
-   return result;
- }
-
-/****************************************************************************
- * cmos_write
- *
- * Write 'data' to nonvolatile RAM at position given by 'bit' and 'length'.
- * The I/O privilege level of the currently executing process must be set
- * appropriately.
- ****************************************************************************/
-void cmos_write (unsigned bit, unsigned length, unsigned long long value)
- { cmos_bit_op_location_t where;
-   unsigned next_bit, bits_left, nr_bits;
-
-   assert(!verify_cmos_op(bit, length));
-
-   for (next_bit = 0, bits_left = length;
-        bits_left;
-        next_bit += nr_bits, bits_left -= nr_bits)
-    { nr_bits = cmos_bit_op_strategy(bit + next_bit, bits_left, &where);
-      cmos_write_bits(&where, nr_bits, get_bits(value, next_bit, nr_bits));
-    }
- }
-
-/****************************************************************************
- * cmos_read_byte
- *
- * Read a byte from nonvolatile RAM at a position given by 'index' and return
- * the result.  An 'index' value of 0 represents the first byte of
- * nonvolatile RAM.
- *
- * Note: the first 14 bytes of nonvolatile RAM provide an interface to the
- *       real time clock.
- ****************************************************************************/
-unsigned char cmos_read_byte (unsigned index)
- { unsigned short port_0, port_1;
-
-   assert(!verify_cmos_byte_index(index));
-
-   if (index < 128)
-    { port_0 = 0x70;
-      port_1 = 0x71;
-    }
-   else
-    { port_0 = 0x72;
-      port_1 = 0x73;
-    }
-
-   outb(index, port_0);
-   return inb(port_1);
- }
-
-/****************************************************************************
- * cmos_write_byte
- *
- * Write 'value' to nonvolatile RAM at a position given by 'index'.  An
- * 'index' of 0 represents the first byte of nonvolatile RAM.
- *
- * Note: the first 14 bytes of nonvolatile RAM provide an interface to the
- *       real time clock.  Writing to any of these bytes will therefore
- *       affect its functioning.
- ****************************************************************************/
-void cmos_write_byte (unsigned index, unsigned char value)
- { unsigned short port_0, port_1;
-
-   assert(!verify_cmos_byte_index(index));
-
-   if (index < 128)
-    { port_0 = 0x70;
-      port_1 = 0x71;
-    }
-   else
-    { port_0 = 0x72;
-      port_1 = 0x73;
-    }
-
-   outb(index, port_0);
-   outb(value, port_1);
- }
-
-/****************************************************************************
- * cmos_read_all
- *
- * Read all contents of CMOS memory into array 'data'.  The first 14 bytes of
- * 'data' are set to zero since this corresponds to the real time clock area.
- ****************************************************************************/
-void cmos_read_all (unsigned char data[])
- { unsigned i;
-
-   for (i = 0; i < CMOS_RTC_AREA_SIZE; i++)
-      data[i] = 0;
-
-   for (; i < CMOS_SIZE; i++)
-      data[i] = cmos_read_byte(i);
- }
-
-/****************************************************************************
- * cmos_write_all
- *
- * Update all of CMOS memory with the contents of array 'data'.  The first 14
- * bytes of 'data' are ignored since this corresponds to the real time clock
- * area.
- ****************************************************************************/
-void cmos_write_all (unsigned char data[])
- { unsigned i;
-
-   for (i = CMOS_RTC_AREA_SIZE; i < CMOS_SIZE; i++)
-      cmos_write_byte(i, data[i]);
- }
-
-/****************************************************************************
- * set_iopl
- *
- * Set the I/O privilege level of the executing process.  Root privileges are
- * required for performing this action.  A sufficient I/O privilege level
- * allows the process to access x86 I/O address space and to disable/reenable
- * interrupts while executing in user space.  Messing with the I/O privilege
- * level is therefore somewhat dangerous.
- ****************************************************************************/
-void set_iopl (int level)
- { assert((level >= 0) && (level <= 3));
-
-   if (iopl(level))
-    { fprintf(stderr,
-              "%s: iopl() system call failed.  You must be root to do "
-              "this.\n",
-              prog_name);
-      exit(1);
-    }
- }
-
-/****************************************************************************
- * verify_cmos_op
- *
- * 'bit' represents a bit position in the nonvolatile RAM.  The first bit
- * (i.e. the lowest order bit of the first byte) of nonvolatile RAM is
- * labeled as bit 0.  'length' represents the width in bits of a value we
- * wish to read or write.  Perform sanity checking on 'bit' and 'length'.  If
- * no problems were encountered, return OK.  Else return an error code.
- ****************************************************************************/
-int verify_cmos_op (unsigned bit, unsigned length)
- { if ((bit >= (8 * CMOS_SIZE)) || ((bit + length) > (8 * CMOS_SIZE)))
-      return CMOS_AREA_OUT_OF_RANGE;
-
-   if (bit < (8 * CMOS_RTC_AREA_SIZE))
-      return CMOS_AREA_OVERLAPS_RTC;
-
-   if (length > (8 * sizeof(unsigned long long)))
-      return CMOS_AREA_TOO_WIDE;
-
-   return OK;
- }
-
-/****************************************************************************
- * cmos_bit_op_strategy
- *
- * Helper function used by cmos_read() and cmos_write() to determine which
- * bits to read or write next.
- ****************************************************************************/
-static unsigned cmos_bit_op_strategy (unsigned bit, unsigned bits_left,
-                                      cmos_bit_op_location_t *where)
- { unsigned max_bits;
-
-   where->byte_index = bit >> 3;
-   where->bit_offset = bit & 0x07;
-   max_bits = 8 - where->bit_offset;
-   return (bits_left > max_bits) ? max_bits : bits_left;
- }
-
-/****************************************************************************
- * cmos_read_bits
- *
- * Read a chunk of bits from a byte location within CMOS memory.  Return the
- * value represented by the chunk of bits.
- ****************************************************************************/
-static unsigned char cmos_read_bits (const cmos_bit_op_location_t *where,
-                                     unsigned nr_bits)
- { return (cmos_read_byte(where->byte_index) >> where->bit_offset) &
-          ((unsigned char) ((1 << nr_bits) - 1));
- }
-
-/****************************************************************************
- * cmos_write_bits
- *
- * Write a chunk of bits (the low order 'nr_bits' bits of 'value') to an area
- * within a particular byte of CMOS memory.
- ****************************************************************************/
-static void cmos_write_bits (const cmos_bit_op_location_t *where,
-                             unsigned nr_bits, unsigned char value)
- { unsigned char n, mask;
-
-   if (nr_bits == 8)
-    { cmos_write_byte(where->byte_index, value);
-      return;
-    }
-
-   n = cmos_read_byte(where->byte_index);
-   mask = ((unsigned char) ((1 << nr_bits) - 1)) << where->bit_offset;
-   n = (n & ~mask) + ((value << where->bit_offset) & mask);
-   cmos_write_byte(where->byte_index, n);
- }