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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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22
alpha/alpha_cpu.c
View File

@@ -199,10 +199,10 @@ t_stat cpu_reset (DEVICE *dptr);
t_stat cpu_boot (int32 unitno, DEVICE *dptr);
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 *of, 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 *of, UNIT *uptr, int32 val, CONST void *desc);
t_stat cpu_fprint_one_inst (FILE *st, uint32 ir, t_uint64 pc, t_uint64 ra, t_uint64 rb);
extern t_uint64 op_ldf (t_uint64 op);
@@ -221,7 +221,7 @@ extern t_stat pal_1d (uint32 ir);
extern t_stat pal_1e (uint32 ir);
extern t_stat pal_1f (uint32 ir);
extern t_uint64 trans_c (t_uint64 va);
extern t_stat cpu_show_tlb (FILE *of, UNIT *uptr, int32 val, void *desc);
extern t_stat cpu_show_tlb (FILE *of, UNIT *uptr, int32 val, CONST void *desc);
extern uint32 pal_eval_intr (uint32 flag);
extern t_stat pal_proc_excp (uint32 type);
extern t_stat pal_proc_trap (uint32 type);
@@ -1701,7 +1701,7 @@ 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)
{
t_uint64 mc = 0;
uint32 i, clim;
@@ -1722,10 +1722,10 @@ return SCPE_OK;
/* Show virtual address */
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;
t_uint64 va, pa;
if (cptr) {
@@ -1752,7 +1752,7 @@ return SCPE_OK;
/* 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)
{
uint32 i, lnt;
t_stat r;
@@ -1832,10 +1832,10 @@ 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 k, di, lnt;
char *cptr = (char *) desc;
const char *cptr = (const char *) desc;
t_stat r;
InstHistory *h;

8
alpha/alpha_ev5_pal.c
View File

@@ -115,7 +115,7 @@ extern uint32 pal_type;
extern t_uint64 pcq[PCQ_SIZE]; /* PC queue */
extern int32 pcq_p; /* PC queue ptr */
extern int32 parse_reg (char *cptr);
extern int32 parse_reg (const char *cptr);
/* EV5PAL data structures
@@ -839,7 +839,7 @@ return;
/* Parse options for hardware PAL instruction */
char *parse_opt_ev5 (char *cptr, uint32 *val, struct pal_opt opt[])
CONST char *parse_opt_ev5 (CONST char *cptr, uint32 *val, struct pal_opt opt[])
{
uint32 i;
char *tptr, gbuf[CBUFSIZE];
@@ -900,11 +900,11 @@ return -3;
/* Parse PAL hardware opcode symbolically */
t_stat parse_pal_hwre (char *cptr, t_value *inst)
t_stat parse_pal_hwre (CONST char *cptr, t_value *inst)
{
uint32 i, d, val = 0;
int32 reg;
const char *tptr;
CONST char *tptr;
char gbuf[CBUFSIZE];
t_stat r;

8
alpha/alpha_ev5_tlb.c
View File

@@ -474,8 +474,8 @@ return;
int tlb_comp (const void *e1, const void *e2)
{
TLBENT *t1 = (TLBENT *) e1;
TLBENT *t2 = (TLBENT *) e2;
const TLBENT *t1 = (const TLBENT *) e1;
const TLBENT *t2 = (const TLBENT *) e2;
if (t1->asn > t2->asn) return +1;
if (t1->asn < t2->asn) return -1;
@@ -532,13 +532,13 @@ return SCPE_OK;
/* Show TLB entry or entries */
t_stat cpu_show_tlb (FILE *of, UNIT *uptr, int32 val, void *desc)
t_stat cpu_show_tlb (FILE *of, UNIT *uptr, int32 val, CONST void *desc)
{
t_addr lo, hi;
uint32 lnt;
TLBENT *tlbp;
DEVICE *dptr;
const char *cptr = (char *) desc;
CONST char *cptr = (CONST char *) desc;
lnt = (val)? DTLB_SIZE: ITLB_SIZE;
dptr = find_dev_from_unit (uptr);

16
alpha/alpha_sys.c
View File

@@ -32,11 +32,11 @@ extern REG cpu_reg[];
extern uint32 pal_type;
t_stat fprint_sym_m (FILE *of, t_addr addr, uint32 inst);
t_stat parse_sym_m (char *cptr, t_addr addr, t_value *inst);
int32 parse_reg (char *cptr);
t_stat parse_sym_m (CONST char *cptr, t_addr addr, t_value *inst);
int32 parse_reg (const char *cptr);
extern t_stat fprint_pal_hwre (FILE *of, uint32 inst);
extern t_stat parse_pal_hwre (char *cptr, t_value *inst);
extern t_stat parse_pal_hwre (CONST char *cptr, t_value *inst);
extern t_bool rom_wr (t_uint64 pa, t_uint64 val, uint32 lnt);
/* SCP data structures and interface routines
@@ -71,7 +71,7 @@ const char *sim_stop_messages[] = {
-o specify origin
*/
t_stat sim_load (FILE *fileref, char *cptr, char *fnam, int flag)
t_stat sim_load (FILE *fileref, CONST char *cptr, CONST char *fnam, int flag)
{
t_stat r;
int32 i;
@@ -631,7 +631,7 @@ return SCPE_ARG;
<= 0 -number of extra words
*/
t_stat parse_sym (char *cptr, t_addr addr, UNIT *uptr, t_value *val, int32 sw)
t_stat parse_sym (CONST char *cptr, t_addr addr, UNIT *uptr, t_value *val, int32 sw)
{
t_value num;
uint32 i, sc, rdx;
@@ -715,13 +715,13 @@ return -7;
<= 0 -number of extra words
*/
t_stat parse_sym_m (char *cptr, t_addr addr, t_value *inst)
t_stat parse_sym_m (CONST char *cptr, t_addr addr, t_value *inst)
{
t_uint64 bra, df, db;
uint32 i, k, lit8, fl;
int32 reg;
t_stat r;
const char *tptr;
CONST char *tptr;
char gbuf[CBUFSIZE];
if ((r = parse_pal_hwre (cptr, inst)) < 0) return r; /* PAL hardware? */
@@ -805,7 +805,7 @@ return -3;
/* Parse a register */
int32 parse_reg (char *cptr)
int32 parse_reg (const char *cptr)
{
t_stat r;
int32 reg;