systemc: Seperate the "external" header interface.

Most (but not all) of the SystemC headers are part of the "external"
interface that an existing, standard compliant module would include
through <systemc.h> or <systemc>. Since those follow slightly different
rules (relative includes, no gem5 includes), this change separates them
out so that they're easier to identify.

Also, this change moves the other files into a "core" subdirectory,
with the intention to add a "dt", aka data type, directory some time in
the future when those standard defined types are implemented.

Change-Id: Ida63f9cc0bc0431024d4dd691cc5b22b944a99a8
Reviewed-on: https://gem5-review.googlesource.com/10835
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 0 insertions, 168 deletions

diff --git a/src/systemc/dt/int/sc_nbdefs.hh b/src/systemc/dt/int/sc_nbdefs.hh
deleted file mode 100644
index 48d735adf..000000000
--- a/src/systemc/dt/int/sc_nbdefs.hh
+++ /dev/null
@@ -1,168 +0,0 @@
-/*****************************************************************************
-
-  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
-  more contributor license agreements.  See the NOTICE file distributed
-  with this work for additional information regarding copyright ownership.
-  Accellera licenses this file to you under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with the
-  License.  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-  implied.  See the License for the specific language governing
-  permissions and limitations under the License.
-
- *****************************************************************************/
-
-/*****************************************************************************
-  sc_nbdefs.h -- Top level header file for arbitrary precision signed/unsigned
-                 arithmetic. This file defines all the constants needed.
- *****************************************************************************/
-
-#ifndef __SYSTEMC_DT_SC_NBDEFS_H__
-#define __SYSTEMC_DT_SC_NBDEFS_H__
-
-#include <stdint.h>
-
-#include <climits>
-
-namespace sc_dt
-{
-
-// ----------------------------------------------------------------------------
-//  ENUM : sc_numrep
-//
-//  Enumeration of number representations for character string conversion.
-// ----------------------------------------------------------------------------
-
-enum sc_numrep
-{
-    SC_NOBASE = 0,
-    SC_BIN = 2,
-    SC_OCT = 8,
-    SC_DEC = 10,
-    SC_HEX = 16,
-    SC_BIN_US,
-    SC_BIN_SM,
-    SC_OCT_US,
-    SC_OCT_SM,
-    SC_HEX_US,
-    SC_HEX_SM,
-    SC_CSD
-};
-
-
-// Sign of a number:
-#define SC_NEG -1 // Negative number
-#define SC_ZERO 0 // Zero
-#define SC_POS 1 // Positive number
-#define SC_NOSIGN 2 // Uninitialized sc_signed number
-
-typedef unsigned char uchar;
-
-// A small_type number is at least a char. Defining an int is probably
-// better for alignment.
-typedef int small_type;
-
-// Attributes of a byte.
-#define BITS_PER_BYTE 8
-#define BYTE_RADIX 256
-#define BYTE_MASK 255
-
-// LOG2_BITS_PER_BYTE = log2(BITS_PER_BYTE), assuming that
-// BITS_PER_BYTE is a power of 2.
-#define LOG2_BITS_PER_BYTE 3
-
-// Attributes of the unsigned long. These definitions are used mainly in
-// the functions that are aware of the internal representation of digits,
-// e.g., get/set_packed_rep().
-#define BYTES_PER_DIGIT_TYPE 4
-#define BITS_PER_DIGIT_TYPE 32
-
-// Attributes of a digit, i.e., unsigned long less the overflow bits.
-#define BYTES_PER_DIGIT 4
-#define BITS_PER_DIGIT 30
-#define DIGIT_RADIX (1ul << BITS_PER_DIGIT)
-#define DIGIT_MASK (DIGIT_RADIX - 1)
-// Make sure that BYTES_PER_DIGIT = ceil(BITS_PER_DIGIT / BITS_PER_BYTE).
-
-// Similar attributes for the half of a digit. Note that
-// HALF_DIGIT_RADIX is equal to the square root of DIGIT_RADIX. These
-// definitions are used mainly in the multiplication routines.
-#define BITS_PER_HALF_DIGIT (BITS_PER_DIGIT / 2)
-#define HALF_DIGIT_RADIX (1ul << BITS_PER_HALF_DIGIT)
-#define HALF_DIGIT_MASK (HALF_DIGIT_RADIX - 1)
-
-// DIV_CEIL2(x, y) = ceil(x / y). x and y are positive numbers.
-#define DIV_CEIL2(x, y) (((x) - 1) / (y) + 1)
-
-// DIV_CEIL(x) = ceil(x / BITS_PER_DIGIT) = the number of digits to
-// store x bits. x is a positive number.
-#define DIV_CEIL(x) DIV_CEIL2(x, BITS_PER_DIGIT)
-
-#ifdef SC_MAX_NBITS
-static const int MAX_NDIGITS = DIV_CEIL(SC_MAX_NBITS) + 2;
-// Consider a number with x bits another with y bits. The maximum
-// number of bits happens when we multiply them. The result will have
-// (x + y) bits. Assume that x + y <= SC_MAX_NBITS. Then, DIV_CEIL(x) +
-// DIV_CEIL(y) <= DIV_CEIL(SC_MAX_NBITS) + 2. This is the reason for +2
-// above. With this change, MAX_NDIGITS must be enough to hold the
-// result of any operation.
-#endif
-
-// Support for "digit" vectors used to hold the values of sc_signed,
-// sc_unsigned, sc_bv_base,  and sc_lv_base data types. This type is also used
-// in the concatenation support. An sc_digit is currently an unsigned 32-bit
-// quantity. The typedef used is an unsigned int, rather than an unsigned long,
-// since the unsigned long data type varies in size between 32-bit and 64-bit
-// machines.
-
-typedef unsigned int sc_digit;	// 32-bit unsigned integer
-
-// Support for the long long type. This type is not in the standard
-// but is usually supported by compilers.
-typedef int64_t int64;
-typedef uint64_t uint64;
-
-static const uint64 UINT64_ZERO   = 0ULL;
-static const uint64 UINT64_ONE    = 1ULL;
-static const uint64 UINT64_32ONES = 0x00000000ffffffffULL;
-
-// Bits per ...
-// will be deleted in the future. Use numeric_limits instead
-#define BITS_PER_CHAR    8
-#define BITS_PER_INT    (sizeof(int) * BITS_PER_CHAR)
-#define BITS_PER_LONG   (sizeof(long) * BITS_PER_CHAR)
-#define BITS_PER_INT64  (sizeof(::sc_dt::int64) * BITS_PER_CHAR)
-#define BITS_PER_UINT   (sizeof(unsigned int) * BITS_PER_CHAR)
-#define BITS_PER_ULONG  (sizeof(unsigned long) * BITS_PER_CHAR)
-#define BITS_PER_UINT64 (sizeof(::sc_dt::uint64) * BITS_PER_CHAR)
-
-// Digits per ...
-#define DIGITS_PER_CHAR   1
-#define DIGITS_PER_INT    ((BITS_PER_INT+29)/30)
-#define DIGITS_PER_LONG   ((BITS_PER_LONG+29)/30)
-#define DIGITS_PER_INT64  ((BITS_PER_INT64+29)/30)
-#define DIGITS_PER_UINT   ((BITS_PER_UINT+29)/30)
-#define DIGITS_PER_ULONG  ((BITS_PER_ULONG+29)/30)
-#define DIGITS_PER_UINT64 ((BITS_PER_UINT64+29)/30)
-
-// Above, BITS_PER_X is mainly used for sc_signed, and BITS_PER_UX is
-// mainly used for sc_unsigned.
-
-static const small_type NB_DEFAULT_BASE = SC_DEC;
-
-// For sc_int code:
-
-typedef int64 int_type;
-typedef uint64 uint_type;
-#define SC_INTWIDTH 64
-static const uint64 UINT_ZERO = UINT64_ZERO;
-static const uint64 UINT_ONE = UINT64_ONE;
-
-} // namespace sc_dt
-
-#endif