aboutsummaryrefslogtreecommitdiff
path: root/sim/m68hc11
diff options
context:
space:
mode:
Diffstat (limited to 'sim/m68hc11')
-rw-r--r--sim/m68hc11/gencode.c56
1 files changed, 21 insertions, 35 deletions
diff --git a/sim/m68hc11/gencode.c b/sim/m68hc11/gencode.c
index 4e50770..ecd8f7b 100644
--- a/sim/m68hc11/gencode.c
+++ b/sim/m68hc11/gencode.c
@@ -89,7 +89,7 @@ struct m6811_opcode_pattern
* Size -----------------+ +--------------- Min # cycles
* +-------------------- Opcode
*/
-struct m6811_opcode_pattern m6811_opcode_patterns[] = {
+static struct m6811_opcode_pattern m6811_opcode_patterns[] = {
/* Move 8 and 16 bits. We need two implementations: one that sets the
flags and one that preserve them. */
{ "movtst8", "dst8 = src8", "cpu_ccr_update_tst8 (cpu, dst8)" },
@@ -358,7 +358,7 @@ struct m6811_opcode_def
* (y)->a src8 = (IND, Y) a = dst8
* ()->b src8 = (EXT) b = dst8
*/
-struct m6811_opcode_def m6811_page1_opcodes[] = {
+static struct m6811_opcode_def m6811_page1_opcodes[] = {
{ "test", 0, 0, 1, 0x00, 5, _M, CHG_NONE },
{ "nop", 0, 0, 1, 0x01, 2, 2, CHG_NONE },
{ "idiv", "x,d->x", "idiv16", 1, 0x02, 3, 41, CLR_V_CHG_ZC},
@@ -612,7 +612,7 @@ struct m6811_opcode_def m6811_page1_opcodes[] = {
* Pattern -----------+ +--------------- Min # cycles
* Size -----------------+ +-------------------- Opcode
*/
-struct m6811_opcode_def m6811_page2_opcodes[] = {
+static struct m6811_opcode_def m6811_page2_opcodes[] = {
{ "iny", "y->y", "inc16", 2, 0x08, 4, 4, CHG_Z },
{ "dey", "y->y", "dec16", 2, 0x09, 4, 4, CHG_Z },
{ "bset", "(y),#->(y)","or8", 4, 0x1c, 8, 8, CLR_V_CHG_NZ },
@@ -687,7 +687,7 @@ struct m6811_opcode_def m6811_page2_opcodes[] = {
* Pattern -----------+ +--------------- Min # cycles
* Size -----------------+ +-------------------- Opcode
*/
-struct m6811_opcode_def m6811_page3_opcodes[] = {
+static struct m6811_opcode_def m6811_page3_opcodes[] = {
{ "cmpd", "#,d", "sub16", 4, 0x83, 5, 5, CHG_NZVC },
{ "cmpd", "*,d", "sub16", 3, 0x93, 6, 6, CHG_NZVC },
{ "cmpd", "(x),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC },
@@ -705,7 +705,7 @@ struct m6811_opcode_def m6811_page3_opcodes[] = {
* Pattern -----------+ +--------------- Min # cycles
* Size -----------------+ +-------------------- Opcode
*/
-struct m6811_opcode_def m6811_page4_opcodes[] = {
+static struct m6811_opcode_def m6811_page4_opcodes[] = {
{ "syscall", "", "syscall", 2, 0x03, 6, 6, CHG_NONE },
{ "cmpd", "(y),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC },
{ "cmpx", "(y),x", "sub16", 3, 0xac, 7, 7, CHG_NZVC },
@@ -721,7 +721,7 @@ struct m6811_opcode_def m6811_page4_opcodes[] = {
* Pattern -----------+ +--------------- Min # cycles
* Size -----------------+ +-------------------- Opcode
*/
-struct m6811_opcode_def m6812_page1_opcodes[] = {
+static struct m6811_opcode_def m6812_page1_opcodes[] = {
{ "adca", "#,a->a", "adc8", 2, 0x89, 1, 1, CHG_HNZVC },
{ "adca", "*,a->a", "adc8", 2, 0x99, 3, 3, CHG_HNZVC },
{ "adca", "(),a->a", "adc8", 3, 0xb9, 3, 3, CHG_HNZVC },
@@ -1070,7 +1070,7 @@ struct m6811_opcode_def m6812_page1_opcodes[] = {
{ "wai", 0, 0, 1, 0x3e, 8, _M, CHG_NONE }
};
-struct m6811_opcode_def m6812_page2_opcodes[] = {
+static struct m6811_opcode_def m6812_page2_opcodes[] = {
{ "cba", "b,a", "sub8", 2, 0x17, 2, 2, CHG_NZVC },
/* After 'daa', the Z flag is undefined. Mark it as changed. */
@@ -1138,27 +1138,13 @@ struct m6811_opcode_def m6812_page2_opcodes[] = {
{ "wav", 0, 0, 2, 0x3c, 8, _M, SET_Z_CHG_HNVC }
};
-void fatal_error (const struct m6811_opcode_def*, const char*, ...);
-void print (FILE*, int, const char*,...);
-int gen_fetch_operands (FILE*, int, const struct m6811_opcode_def*,
- const char*);
-void gen_save_result (FILE*, int, const struct m6811_opcode_def*,
- int, const char*);
-const struct m6811_opcode_pattern*
-find_opcode_pattern (const struct m6811_opcode_def*);
-void gen_interp (FILE*, int, const struct m6811_opcode_def*);
-void gen_interpreter_for_table (FILE*, int,
- const struct m6811_opcode_def*,
- int, const char*);
-void gen_interpreter (FILE*);
-
static int indent_level = 2;
static int current_insn_size = 0;
/* Fatal error message and exit. This method is called when an inconsistency
is detected in the generation table. */
-void
+static void
fatal_error (const struct m6811_opcode_def *opcode, const char *msg, ...)
{
va_list argp;
@@ -1180,7 +1166,7 @@ fatal_error (const struct m6811_opcode_def *opcode, const char *msg, ...)
/* Format and pretty print for the code generation. (printf like format). */
-void
+static void
print (FILE *fp, int col, const char *msg, ...)
{
va_list argp;
@@ -1292,7 +1278,7 @@ print (FILE *fp, int col, const char *msg, ...)
addr = fetch_relbranch (cpu) <- Final 'addr'
Returns 1 if the 'addr' operand is set, 0 otherwise. */
-int
+static int
gen_fetch_operands (FILE *fp, int col,
const struct m6811_opcode_def *opcode,
const char *operand_size)
@@ -1608,7 +1594,7 @@ gen_fetch_operands (FILE *fp, int col,
[] 68HC12 indexed indirect
(sp) Push
Push the 8/16-bits result on the stack. */
-void
+static void
gen_save_result (FILE *fp, int col,
const struct m6811_opcode_def *opcode,
int addr_set,
@@ -1804,7 +1790,7 @@ gen_save_result (FILE *fp, int col,
/* Find the instruction pattern for a given instruction. */
-const struct m6811_opcode_pattern*
+static const struct m6811_opcode_pattern*
find_opcode_pattern (const struct m6811_opcode_def *opcode)
{
int i;
@@ -1826,7 +1812,7 @@ find_opcode_pattern (const struct m6811_opcode_def *opcode)
}
/* Generate the code for interpretation of instruction 'opcode'. */
-void
+static void
gen_interp (FILE *fp, int col, const struct m6811_opcode_def *opcode)
{
const char *operands = opcode->operands;
@@ -1885,7 +1871,7 @@ gen_interp (FILE *fp, int col, const struct m6811_opcode_def *opcode)
/* Generate the interpretor for a given 68HC11 page set. */
-void
+static void
gen_interpreter_for_table (FILE *fp, int col,
const struct m6811_opcode_def *table,
int size,
@@ -1930,7 +1916,7 @@ gen_interpreter_for_table (FILE *fp, int col,
/* Generate the table of instruction cycle. These tables are indexed
by the opcode number to allow a fast cycle time computation. */
-void
+static void
gen_cycle_table (FILE *fp, const char *name,
const struct m6811_opcode_def *table,
int size)
@@ -1986,7 +1972,7 @@ gen_cycle_table (FILE *fp, const char *name,
#define USE_SRC8 1
#define USE_DST8 2
-void
+static void
gen_function_entry (FILE *fp, const char *name, int locals)
{
/* Generate interpretor entry point. */
@@ -2002,13 +1988,13 @@ gen_function_entry (FILE *fp, const char *name, int locals)
print (fp, indent_level, "uint8_t dst8;\n");
}
-void
+static void
gen_function_close (FILE *fp)
{
print (fp, 0, "}\n");
}
-int
+static int
cmp_opcode (const void *e1, const void *e2)
{
struct m6811_opcode_def* op1 = (struct m6811_opcode_def*) e1;
@@ -2017,7 +2003,7 @@ cmp_opcode (const void *e1, const void *e2)
return (int) (op1->insn_code) - (int) (op2->insn_code);
}
-void
+static void
prepare_table (struct m6811_opcode_def* table, int size)
{
int i;
@@ -2033,7 +2019,7 @@ prepare_table (struct m6811_opcode_def* table, int size)
}
}
-void
+static void
gen_interpreter (FILE *fp)
{
int col = 0;
@@ -2119,7 +2105,7 @@ gen_interpreter (FILE *fp)
}
}
-void
+static void
usage (char* prog)
{
fprintf (stderr, "Usage: %s {-m6811|-m6812}\n", prog);
generated by cgit v1.1 at 2024-07-11 12:24:09 +0000