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authorDavid Edelsohn <dje.gcc@gmail.com>1997-04-17 10:05:50 +0000
committerDavid Edelsohn <dje.gcc@gmail.com>1997-04-17 10:05:50 +0000
commit26277668dba7ad042efe800a37be6dc093697a33 (patch)
tree937cc9e9e072e1c773b8ca0d5b0156b46def9ea9 /sim/erc32/interf.c
parent04885cc34cdbd61bda2a70b1ba9a8cd7450ebd46 (diff)
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* interf.c (sim_open): Ignore -E arg.
(start_address): New static local. (sim_load): Return SIM_RC. New arg abfd. Set start_address from bfd. (sim_create_inferior): Return SIM_RC. Delete arg start_address.
Diffstat (limited to 'sim/erc32/interf.c')
-rw-r--r--sim/erc32/interf.c94
1 files changed, 54 insertions, 40 deletions
diff --git a/sim/erc32/interf.c b/sim/erc32/interf.c
index 6f13324..cb7dce4 100644
--- a/sim/erc32/interf.c
+++ b/sim/erc32/interf.c
@@ -115,6 +115,9 @@ run_sim(sregs, go, icount, dis)
if (sis_verbose)
(*sim_callback->printf_filtered) (sim_callback,
"SW BP hit at %x\n", sregs->pc);
+ sim_stop();
+ restore_stdio();
+ clearerr(stdin);
return (BPT_HIT);
} else
dispatch_instruction(sregs);
@@ -152,7 +155,8 @@ run_sim(sregs, go, icount, dis)
}
void
-sim_set_callbacks (ptr)
+sim_set_callbacks (sd, ptr)
+ SIM_DESC sd;
host_callback *ptr;
{
sim_callback = ptr;
@@ -164,26 +168,26 @@ sim_size (memsize)
{
}
-void
-sim_open(args)
- char *args;
+SIM_DESC
+sim_open(kind, argv)
+ SIM_OPEN_KIND kind;
+ char **argv;
{
int argc = 0;
- char **argv;
int cont = 1;
- int stat = 0;
+ int stat = 1;
int grdl = 0;
int freq = 15;
(*sim_callback->printf_filtered) (sim_callback, "\n SIS - SPARC instruction simulator %s\n", sis_version);
(*sim_callback->printf_filtered) (sim_callback, " Bug-reports to Jiri Gaisler ESA/ESTEC (jgais@wd.estec.esa.nl)\n");
- argv = buildargv(args);
- if (argv != NULL)
- while (argv[argc])
- argc++;
+ while (argv[argc])
+ argc++;
while (stat < argc) {
if (argv[stat][0] == '-') {
+ if (strcmp(argv[stat], "-E") == 0)
+ ++stat; /* ignore endian spec */
if (strcmp(argv[stat], "-v") == 0) {
sis_verbose = 1;
} else
@@ -225,20 +229,25 @@ sim_open(args)
bfd_load(argv[stat]);
stat++;
}
- freeargv(argv);
sregs.freq = freq;
termsave = fcntl(0, F_GETFL, 0);
INIT_DISASSEMBLE_INFO(dinfo, stdout,(fprintf_ftype)fprintf);
+ dinfo.endian = BFD_ENDIAN_BIG;
init_signals();
reset_all();
ebase.simtime = 0;
init_sim();
init_bpt(&sregs);
reset_stat(&sregs);
+
+ /* Fudge our descriptor for now. */
+ return (SIM_DESC) 1;
}
void
-sim_close(int quitting)
+sim_close(sd, quitting)
+ SIM_DESC sd;
+ int quitting;
{
exit_sim();
@@ -246,25 +255,23 @@ sim_close(int quitting)
};
-/* Return non-zero if the caller should handle the load. Zero if
- we have loaded the image. */
+/* For communication from sim_load to sim_create_inferior. */
+static bfd_vma start_address;
-int sim_load PARAMS ((char *prog, int from_tty));
-
-int
-sim_load(prog, from_tty)
+SIM_RC
+sim_load(sd, prog, abfd, from_tty)
+ SIM_DESC sd;
char *prog;
+ bfd *abfd;
int from_tty;
{
- bfd_load(prog);
+ start_address = bfd_load (prog);
return (0);
}
-void sim_create_inferior PARAMS ((SIM_ADDR start_address, char **argv, char **env));
-
-void
-sim_create_inferior(start_address, argv, env)
- SIM_ADDR start_address;
+SIM_RC
+sim_create_inferior(sd, argv, env)
+ SIM_DESC sd;
char **argv;
char **env;
{
@@ -273,11 +280,12 @@ sim_create_inferior(start_address, argv, env)
reset_stat(&sregs);
sregs.pc = start_address & ~3;
sregs.npc = sregs.pc + 4;
-
+ return SIM_RC_OK;
}
void
-sim_store_register(regno, value)
+sim_store_register(sd, regno, value)
+ SIM_DESC sd;
int regno;
unsigned char *value;
{
@@ -288,7 +296,8 @@ sim_store_register(regno, value)
void
-sim_fetch_register(regno, buf)
+sim_fetch_register(sd, regno, buf)
+ SIM_DESC sd;
int regno;
unsigned char *buf;
{
@@ -296,7 +305,8 @@ sim_fetch_register(regno, buf)
}
int
-sim_write(mem, buf, length)
+sim_write(sd, mem, buf, length)
+ SIM_DESC sd;
SIM_ADDR mem;
unsigned char *buf;
int length;
@@ -304,10 +314,9 @@ sim_write(mem, buf, length)
return (sis_memory_write(mem, buf, length));
}
-int sim_read PARAMS ((SIM_ADDR mem, unsigned char *buf, int length));
-
int
-sim_read(mem, buf, length)
+sim_read(sd, mem, buf, length)
+ SIM_DESC sd;
SIM_ADDR mem;
unsigned char *buf;
int length;
@@ -316,17 +325,20 @@ sim_read(mem, buf, length)
}
void
-sim_info(int verbose)
+sim_info(sd, verbose)
+ SIM_DESC sd;
+ int verbose;
{
show_stat(&sregs);
-
-
}
int simstat = OK;
void
-sim_stop_reason(enum sim_stop * reason, int *sigrc)
+sim_stop_reason(sd, reason, sigrc)
+ SIM_DESC sd;
+ enum sim_stop * reason;
+ int *sigrc;
{
switch (simstat) {
@@ -403,7 +415,7 @@ flush_windows ()
}
void
-sim_resume(int step, int siggnal)
+sim_resume(SIM_DESC sd, int step, int siggnal)
{
simstat = run_sim(&sregs, 1, 0, 0);
@@ -411,20 +423,22 @@ sim_resume(int step, int siggnal)
}
int
-sim_trace ()
+sim_trace (sd)
+ SIM_DESC sd;
{
/* FIXME: unfinished */
- sim_resume (0, 0);
+ sim_resume (sd, 0, 0);
return 1;
}
void
-sim_kill(void)
+sim_kill(SIM_DESC sd)
{
}
void
-sim_do_command(cmd)
+sim_do_command(sd, cmd)
+ SIM_DESC sd;
char *cmd;
{
exec_cmd(&sregs, cmd);