1 /* load.c --- loading object files into the M32C simulator.
3 Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
32 int (*decode_opcode) (void) = 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)
94 size = bfd_get_section_size (s);
98 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);