1 /* load.c --- loading object files into the M32C simulator.
3 Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
5 Contributed by Red Hat, Inc.
7 This file is part of the GNU simulators.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
32 int (*decode_opcode) () = 0;
33 int default_machine = 0;
36 m32c_set_mach (unsigned long mach)
41 m32c_set_cpu (CPU_M16C);
43 fprintf (stderr, "[cpu: r8c/m16c]\n");
46 m32c_set_cpu (CPU_M32C);
48 fprintf (stderr, "[cpu: m32cm/m32c]\n");
51 fprintf (stderr, "unknown m32c machine type 0x%lx\n", mach);
58 m32c_load (bfd * prog)
61 unsigned long mach = bfd_get_mach (prog);
62 unsigned long highest_addr_loaded = 0;
64 if (mach == 0 && default_machine != 0)
65 mach = default_machine;
69 for (s = prog->sections; s; s = s->next)
72 /* This was a good idea until we started storing the RAM data in
73 ROM, at which point everything was all messed up. The code
74 remains as a reminder. */
75 if ((s->flags & SEC_ALLOC) && !(s->flags & SEC_READONLY))
77 if (strcmp (bfd_get_section_name (prog, s), ".stack"))
80 bfd_get_section_size (s) + bfd_section_lma (prog, s);
81 if (heaptop < secend && bfd_section_lma (prog, s) < 0x10000)
83 heaptop = heapbottom = secend;
88 if (s->flags & SEC_LOAD)
93 size = bfd_get_section_size (s);
97 bfd_vma base = bfd_section_lma (prog, s);
99 fprintf (stderr, "[load a=%08x s=%08x %s]\n",
100 (int) base, (int) size, bfd_get_section_name (prog, s));
101 buf = (char *) malloc (size);
102 bfd_get_section_contents (prog, s, buf, 0, size);
103 mem_put_blk (base, buf, size);
105 if (highest_addr_loaded < base + size - 1 && size >= 4)
106 highest_addr_loaded = base + size - 1;
110 if (strcmp (bfd_get_target (prog), "srec") == 0)
112 heaptop = heapbottom = 0;
116 if (highest_addr_loaded > 0x10000)
117 regs.r_pc = mem_get_si (0x000ffffc) & membus_mask;
119 regs.r_pc = mem_get_si (0x000fffc) & membus_mask;
122 regs.r_pc = mem_get_si (0x00fffffc) & membus_mask;
127 regs.r_pc = prog->start_address;
129 fprintf (stderr, "[start pc=%08x]\n", (unsigned int) regs.r_pc);