1 /* load.c --- loading object files into the M32C simulator.
3 Copyright (C) 2005, 2007 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
8 The GNU simulators are free software; you can redistribute them and/or
9 modify them under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2 of the
11 License, or (at your option) any later version.
13 The GNU simulators are distributed in the hope that they will be
14 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with the GNU simulators; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
33 int (*decode_opcode) () = 0;
34 int default_machine = 0;
37 m32c_set_mach (unsigned long mach)
42 m32c_set_cpu (CPU_M16C);
44 fprintf (stderr, "[cpu: r8c/m16c]\n");
47 m32c_set_cpu (CPU_M32C);
49 fprintf (stderr, "[cpu: m32cm/m32c]\n");
52 fprintf (stderr, "unknown m32c machine type 0x%lx\n", mach);
62 unsigned long mach = bfd_get_mach (prog);
63 unsigned long highest_addr_loaded = 0;
65 if (mach == 0 && default_machine != 0)
66 mach = default_machine;
70 for (s = prog->sections; s; s = s->next)
73 /* This was a good idea until we started storing the RAM data in
74 ROM, at which point everything was all messed up. The code
75 remains as a reminder. */
76 if ((s->flags & SEC_ALLOC) && !(s->flags & SEC_READONLY))
78 if (strcmp (bfd_get_section_name (prog, s), ".stack"))
81 bfd_get_section_size (s) + bfd_section_lma (prog, s);
82 if (heaptop < secend && bfd_section_lma (prog, s) < 0x10000)
84 heaptop = heapbottom = secend;
89 if (s->flags & SEC_LOAD)
94 size = bfd_get_section_size (s);
98 bfd_vma base = bfd_section_lma (prog, s);
100 fprintf (stderr, "[load a=%08x s=%08x %s]\n",
101 (int) base, (int) size, bfd_get_section_name (prog, s));
102 buf = (char *) malloc (size);
103 bfd_get_section_contents (prog, s, buf, 0, size);
104 mem_put_blk (base, buf, size);
106 if (highest_addr_loaded < base + size - 1 && size >= 4)
107 highest_addr_loaded = base + size - 1;
111 if (strcmp (bfd_get_target (prog), "srec") == 0)
113 heaptop = heapbottom = 0;
117 if (highest_addr_loaded > 0x10000)
118 regs.r_pc = mem_get_si (0x000ffffc) & membus_mask;
120 regs.r_pc = mem_get_si (0x000fffc) & membus_mask;
123 regs.r_pc = mem_get_si (0x00fffffc) & membus_mask;
128 regs.r_pc = prog->start_address;
130 fprintf (stderr, "[start pc=%08x]\n", (unsigned int) regs.r_pc);