1 /* Utility to load a file into the simulator.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* This is a standalone loader, independent of the sim-basic.h machinery,
18 as it is used by simulators that don't use it [though that doesn't mean
19 to suggest that they shouldn't :-)]. */
21 /* This must come before any other includes. */
25 #include <stdio.h> /* for NULL */
30 #include "sim-basics.h"
32 #include "sim-utils.h"
34 #include "sim/callback.h"
37 static void eprintf (host_callback
*, const char *, ...);
38 static void xprintf (host_callback
*, const char *, ...);
39 static void report_transfer_performance
40 (host_callback
*, unsigned long, time_t, time_t);
42 /* Load program PROG into the simulator using the function DO_LOAD.
43 If PROG_BFD is non-NULL, the file has already been opened.
44 If VERBOSE_P is non-zero statistics are printed of each loaded section
45 and the transfer rate (for consistency with gdb).
46 If LMA_P is non-zero the program sections are loaded at the LMA
48 If this fails an error message is printed and NULL is returned.
49 If it succeeds the bfd is returned.
50 NOTE: For historical reasons, older hardware simulators incorrectly
51 write the program sections at LMA interpreted as a virtual address.
52 This is still accommodated for backward compatibility reasons. */
56 sim_load_file (SIM_DESC sd
, const char *myname
, host_callback
*callback
,
57 const char *prog
, bfd
*prog_bfd
, int verbose_p
, int lma_p
,
58 sim_write_fn do_write
)
61 /* Record separately as we don't want to close PROG_BFD if it was passed. */
63 time_t start_time
= 0; /* Start and end times of download */
65 unsigned long data_count
= 0; /* Number of bytes transferred to memory */
66 int found_loadable_section
;
69 result_bfd
= prog_bfd
;
72 result_bfd
= bfd_openr (prog
, 0);
73 if (result_bfd
== NULL
)
75 eprintf (callback
, "%s: can't open \"%s\": %s\n",
76 myname
, prog
, bfd_errmsg (bfd_get_error ()));
81 if (!bfd_check_format (result_bfd
, bfd_object
))
83 eprintf (callback
, "%s: \"%s\" is not an object file: %s\n",
84 myname
, prog
, bfd_errmsg (bfd_get_error ()));
85 /* Only close if we opened it. */
87 bfd_close (result_bfd
);
92 start_time
= time (NULL
);
94 found_loadable_section
= 0;
95 for (s
= result_bfd
->sections
; s
; s
= s
->next
)
97 if (s
->flags
& SEC_LOAD
)
101 size
= bfd_section_size (s
);
104 unsigned char *buffer
;
107 buffer
= malloc (size
);
111 "%s: insufficient memory to load \"%s\"\n",
113 /* Only close if we opened it. */
114 if (prog_bfd
== NULL
)
115 bfd_close (result_bfd
);
119 lma
= bfd_section_lma (s
);
121 lma
= bfd_section_vma (s
);
125 "Loading section %s, size 0x%lx %s "
126 "%" BFD_VMA_FMT
"x\n",
127 bfd_section_name (s
),
128 (unsigned long) size
,
129 (lma_p
? "lma" : "vma"), lma
);
132 bfd_get_section_contents (result_bfd
, s
, buffer
, 0, size
);
133 do_write (sd
, lma
, buffer
, size
);
134 found_loadable_section
= 1;
140 if (!found_loadable_section
)
143 "%s: no loadable sections \"%s\"\n",
150 end_time
= time (NULL
);
151 xprintf (callback
, "Start address %" BFD_VMA_FMT
"x\n",
152 bfd_get_start_address (result_bfd
));
153 report_transfer_performance (callback
, data_count
, start_time
, end_time
);
156 bfd_cache_close (result_bfd
);
162 xprintf (host_callback
*callback
, const char *fmt
, ...)
168 (*callback
->vprintf_filtered
) (callback
, fmt
, ap
);
174 eprintf (host_callback
*callback
, const char *fmt
, ...)
180 (*callback
->evprintf_filtered
) (callback
, fmt
, ap
);
185 /* Report how fast the transfer went. */
188 report_transfer_performance (host_callback
*callback
, unsigned long data_count
,
189 time_t start_time
, time_t end_time
)
191 xprintf (callback
, "Transfer rate: ");
192 if (end_time
!= start_time
)
193 xprintf (callback
, "%ld bits/sec",
194 (data_count
* 8) / (end_time
- start_time
));
196 xprintf (callback
, "%ld bits in <1 sec", (data_count
* 8));
197 xprintf (callback
, ".\n");