OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [sim/] [common/] [sim-cpu.c] - Blame information for rev 421

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 330 jeremybenn
/* CPU support.
2
   Copyright (C) 1998, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3
   Contributed by Cygnus Solutions.
4
 
5
This file is part of GDB, the GNU debugger.
6
 
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 3 of the License, or
10
(at your option) any later version.
11
 
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
GNU General Public License for more details.
16
 
17
You should have received a copy of the GNU General Public License
18
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19
 
20
#include "sim-main.h"
21
#include "bfd.h"
22
 
23
/* Allocate space for all cpus in the simulator.
24
   Space for the cpu must currently exist prior to parsing ARGV.
25
   EXTRA_BYTES is additional space to allocate for the sim_cpu struct.  */
26
/* ??? wip.  better solution must wait.  */
27
 
28
SIM_RC
29
sim_cpu_alloc_all (SIM_DESC sd, int ncpus, int extra_bytes)
30
{
31
  int c;
32
 
33
  for (c = 0; c < ncpus; ++c)
34
    STATE_CPU (sd, c) = sim_cpu_alloc (sd, extra_bytes);
35
  return SIM_RC_OK;
36
}
37
 
38
/* Allocate space for a cpu object.
39
   EXTRA_BYTES is additional space to allocate for the sim_cpu struct.  */
40
 
41
sim_cpu *
42
sim_cpu_alloc (SIM_DESC sd, int extra_bytes)
43
{
44
  return zalloc (sizeof (sim_cpu) + extra_bytes);
45
}
46
 
47
/* Free all resources held by all cpus.  */
48
 
49
void
50
sim_cpu_free_all (SIM_DESC sd)
51
{
52
  int c;
53
 
54
  for (c = 0; c < MAX_NR_PROCESSORS; ++c)
55
    if (STATE_CPU (sd, c))
56
      sim_cpu_free (STATE_CPU (sd, c));
57
}
58
 
59
/* Free all resources used by CPU.  */
60
 
61
void
62
sim_cpu_free (sim_cpu *cpu)
63
{
64
  zfree (cpu);
65
}
66
 
67
/* PC utilities.  */
68
 
69
sim_cia
70
sim_pc_get (sim_cpu *cpu)
71
{
72
  return (* CPU_PC_FETCH (cpu)) (cpu);
73
}
74
 
75
void
76
sim_pc_set (sim_cpu *cpu, sim_cia newval)
77
{
78
  (* CPU_PC_STORE (cpu)) (cpu, newval);
79
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.