include/coff/tic54x.h

   1 /* TI COFF information for Texas Instruments TMS320C54X.
   2    This file customizes the settings in coff/ti.h.
   3
   4    Copyright (C) 2000-2024 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef COFF_TIC54X_H
  22 #define COFF_TIC54X_H
  23
  24 #define TIC54X_TARGET_ID 0x98
  25 #define TIC54XALGMAGIC  0x009B  /* c54x algebraic assembler output */
  26 #define TIC5X_TARGET_ID  0x92
  27 #define TI_TARGET_ID TIC54X_TARGET_ID
  28 #define OCTETS_PER_BYTE_POWER 1 /* octets per byte, as a power of two */
  29 #define HOWTO_BANK 6 /* add to howto to get absolute/sect-relative version */
  30 #define TICOFF_TARGET_ARCH bfd_arch_tic54x
  31 #define TICOFF_DEFAULT_MAGIC TICOFF1MAGIC /* we use COFF1 for compatibility */
  32
  33 /* Page macros
  34
  35    The first GDB port requires flags in its remote memory access commands to
  36    distinguish between data/prog space.  Hopefully we can make this go away
  37    eventually.  Stuff the page in the upper bits of a 32-bit address, since
  38    the c5x family only uses 16 or 23 bits.
  39
  40    c2x, c5x and most c54x devices have 16-bit addresses, but the c548 has
  41    23-bit program addresses.  Make sure the page flags don't interfere.
  42    These flags are used by GDB to identify the destination page for
  43    addresses.
  44 */
  45
  46 /* Recognized load pages (by common convention).  */
  47 #define PG_PROG         0x0         /* PROG page */
  48 #define PG_DATA         0x1         /* DATA page */
  49 #define PG_IO           0x2         /* I/O page */
  50
  51 /** Indicate whether the given storage class requires a page flag.  */
  52 #define NEEDS_PAGE(X) ((X)==C_EXT)
  53 #define PAGE_MASK       0xFF000000
  54 #define ADDR_MASK       0x00FFFFFF
  55 #define PG_TO_FLAG(p)   (((unsigned long)(p) & 0xFF) << 24)
  56 #define FLAG_TO_PG(f)   (((f) >> 24) & 0xFF)
  57
  58 #include "coff/ti.h"
  59
  60 #endif /* COFF_TIC54X_H */