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ALL: Massive 'const' cleanup

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These changes facilitate more robust parameter type checking and helps
to identify unexpected coding errors.

Most simulators can now also be compiled with a C++ compiler without
warnings.

Additionally, these changes have also been configured to facilitate easier
backporting of simulator and device simulation modules to run under the
simh v3.9+ SCP framework.
This commit is contained in:
Mark Pizzolato
2016-05-15 15:25:33 -07:00
parent 60a8a2d43d
commit 5531ccb175
444 changed files with 4119 additions and 3798 deletions
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31
VAX/vax_cpu.c
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@@ -320,12 +320,12 @@ t_stat cpu_reset (DEVICE *dptr);
t_bool cpu_is_pc_a_subroutine_call (t_addr **ret_addrs);
t_stat cpu_ex (t_value *vptr, t_addr exta, UNIT *uptr, int32 sw);
t_stat cpu_dep (t_value val, t_addr exta, UNIT *uptr, int32 sw);
t_stat cpu_set_size (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_set_hist (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_show_hist (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat cpu_show_virt (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat cpu_set_idle (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat cpu_set_size (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_set_hist (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_show_hist (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat cpu_show_virt (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat cpu_set_idle (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
const char *cpu_description (DEVICE *dptr);
int32 cpu_get_vsw (int32 sw);
static SIM_INLINE int32 get_istr (int32 lnt, int32 acc);
@@ -460,7 +460,7 @@ DEVICE cpu_dev = {
&cpu_description
};
t_stat cpu_show_model (FILE *st, UNIT *uptr, int32 val, void *desc)
t_stat cpu_show_model (FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
fprintf (st, "model=");
return cpu_print_model (st);
@@ -3319,7 +3319,7 @@ return SCPE_NXM;
/* Memory allocation */
t_stat cpu_set_size (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_size (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
int32 mc = 0;
uint32 i, clim, uval = (uint32)val;
@@ -3346,10 +3346,10 @@ return SCPE_OK;
/* Virtual address translation */
t_stat cpu_show_virt (FILE *of, UNIT *uptr, int32 val, void *desc)
t_stat cpu_show_virt (FILE *of, UNIT *uptr, int32 val, CONST void *desc)
{
t_stat r;
char *cptr = (char *) desc;
const char *cptr = (const char *) desc;
uint32 va, pa;
int32 st;
static const char *mm_str[] = {
@@ -3398,7 +3398,7 @@ return ACC_MASK (md);
/* Set history */
t_stat cpu_set_hist (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_hist (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
int32 i, lnt;
char gbuf[CBUFSIZE];
@@ -3454,10 +3454,10 @@ return SCPE_OK;
/* Show history */
t_stat cpu_show_hist (FILE *st, UNIT *uptr, int32 val, void *desc)
t_stat cpu_show_hist (FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
int32 di, lnt;
char *cptr = (char *) desc;
const char *cptr = (const char *) desc;
t_stat r;
if (hst_lnt == 0) /* enabled? */
@@ -3630,7 +3630,7 @@ static struct os_idle os_tab[] = {
/* Set and show idle */
t_stat cpu_set_idle (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_idle (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
uint32 i;
char gbuf[CBUFSIZE];
@@ -3649,7 +3649,7 @@ if (cptr != NULL) {
return sim_set_idle (uptr, val, cptr, desc);
}
t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc)
t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
if (sim_idle_enab && (cpu_idle_type != 0))
fprintf (st, "idle=%s, ", os_tab[cpu_idle_type - 1].name);
@@ -3683,7 +3683,6 @@ fprintf (st, "The ");cpu_print_model (st);fprintf (st, " CPU help\n\n");
fprintf (st, "CPU options include the size of main memory.\n\n");
if (dptr->modifiers) {
MTAB *mptr;
extern t_stat cpu_set_size (UNIT *uptr, int32 val, char *cptr, void *desc);
for (mptr = dptr->modifiers; mptr->mask != 0; mptr++)
if (mptr->valid == &cpu_set_size)