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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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34
TX-0/tx0_cpu.c
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@@ -285,13 +285,13 @@ int32 addr_mask = YMASK;
t_stat cpu_ex (t_value *vptr, t_addr addr, UNIT *uptr, int32 sw);
t_stat cpu_dep (t_value val, t_addr addr, UNIT *uptr, int32 sw);
t_stat cpu_reset (DEVICE *dptr);
t_stat cpu_set_size (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_set_size (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_set_mode (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
int32 cpu_get_mode (void);
t_stat cpu_set_hist (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_set_ext (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_set_noext (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat cpu_show_hist (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat cpu_set_hist (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_set_ext (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat cpu_set_noext (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 Read (void);
t_stat Write (void);
@@ -420,7 +420,7 @@ typedef struct {
INST_CTRS inst_ctr;
void tx0_dump_regs(char *desc)
void tx0_dump_regs(const char *desc)
{
TRACE_PRINT(TRACE_MSG, ("%s: AC=%06o, MAR=%05o, MBR=%06o, LR=%06o, XR=%05o\n", desc, AC, MAR, MBR, LR, XR));
@@ -809,7 +809,7 @@ t_stat sim_instr (void)
int32 BINDEC = (op & 020);
int32 device = op & 03;
int32 tape_ord = (op >> 2) & 03;
char *tape_cmd[] = {"Backspace Tape", "Read/Select Tape", "Rewind Tape", "Write/Select Tape" };
const char *tape_cmd[] = {"Backspace Tape", "Read/Select Tape", "Rewind Tape", "Write/Select Tape" };
TRACE_PRINT(ERROR_MSG, ("[%06o] TODO: SEL (magtape)\n", PC-1));
sim_printf("Device %d: CLRA=%d, BINDEC=%d: %s\n", device, CLRA, BINDEC, tape_cmd[tape_ord]);
@@ -1070,7 +1070,7 @@ t_stat cpu_dep (t_value val, t_addr addr, UNIT *uptr, int32 sw)
/* Change memory size */
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;
@@ -1087,7 +1087,7 @@ t_stat cpu_set_size (UNIT *uptr, int32 val, char *cptr, void *desc)
/* Change CPU Mode (Normal, Test, Readin) */
t_stat cpu_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_mode (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
if (val == UNIT_MODE_TEST) {
mode_tst = 1;
@@ -1106,13 +1106,13 @@ t_stat cpu_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc)
/* Set TX-0 with Extended Instruction Set */
t_stat cpu_set_ext (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_ext (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
sim_printf("Set CPU Extended Mode\n");
return SCPE_OK;
}
t_stat cpu_set_noext (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat cpu_set_noext (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
sim_printf("Set CPU Non-Extended Mode\n");
return SCPE_OK;
@@ -1127,7 +1127,7 @@ int32 cpu_get_mode (void)
/* 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;
t_stat r;
@@ -1155,10 +1155,10 @@ 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 ov, pf, op, k, di, lnt;
char *cptr = (char *) desc;
const char *cptr = (const char *) desc;
t_stat r;
t_value sim_eval;
InstHistory *h;
@@ -1208,10 +1208,10 @@ cpu_get_switches(void)
return TAC;
}
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) {
uint32 word;
t_addr j, lo, hi, sz, sz_words;
const char *result;
CONST char *result;
if (flag) { /* Dump to file. */
result = get_range(NULL, cptr, &lo, &hi, 8, 0xFFFF, 0);

6
TX-0/tx0_stddev.c
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@@ -90,7 +90,7 @@ t_stat petr_reset (DEVICE *dptr);
t_stat ptp_reset (DEVICE *dptr);
t_stat tty_reset (DEVICE *dptr);
t_stat petr_boot (int32 unitno, DEVICE *dptr);
t_stat petr_attach (UNIT *uptr, char *cptr);
t_stat petr_attach (UNIT *uptr, CONST char *cptr);
/* Character translation tables */
@@ -395,14 +395,14 @@ t_stat petr_reset (DEVICE *dptr)
/* Attach routine */
t_stat petr_attach (UNIT *uptr, char *cptr)
t_stat petr_attach (UNIT *uptr, CONST char *cptr)
{
petr_leader = PETR_LEADER; /* set up leader */
return attach_unit (uptr, cptr);
}
/* Bootstrap routine */
extern t_stat cpu_set_mode (UNIT *uptr, int32 val, char *cptr, void *desc);
extern t_stat cpu_set_mode (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
extern UNIT cpu_unit;
//#define SANITY_CHECK_TAPE

10
TX-0/tx0_sys.c
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@@ -119,13 +119,13 @@ return word;
/* Symbol tables */
typedef struct {
int32 opr;
char *mnemonic;
char *desc;
const char *mnemonic;
const char *desc;
} OPMAP;
typedef struct {
char *mnemonic;
char *desc;
const char *mnemonic;
const char *desc;
} INSTMAP;
const INSTMAP instmap[] = {
@@ -353,7 +353,7 @@ return get_uint (cptr, 8, DMASK, status);
Outputs:
status = error status
*/
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)
{
#if 0
int32 cflag, d, i, j, k, sign;

4
TX-0/tx0_sys_orig.c
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@@ -41,8 +41,8 @@
typedef struct {
int32 opr;
char *mnemonic;
char *desc;
const char *mnemonic;
const char *desc;
} OPMAP;
const OPMAP opmap_orig [] = {