| Line 172... |
Line 172... |
static void
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static void
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gen_eval_operands (FILE *fo, int insn_index, int level)
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gen_eval_operands (FILE *fo, int insn_index, int level)
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{
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{
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struct insn_op_struct *opd = op_start[insn_index];
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struct insn_op_struct *opd = op_start[insn_index];
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int dis = 0;
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int dis = 0;
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int no = 0, num_op;
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int no = 0;
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int firstd = 1;
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int firstd = 1;
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|
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while (1)
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while (1)
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{
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{
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int nbits = 0, first = 1;
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int nbits = 0, first = 1;
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| Line 221... |
Line 221... |
opd++;
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opd++;
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}
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}
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last:
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last:
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num_op = no;
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num_op = no;
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SHIFT; fprintf (fo, "if (do_stats) {\n");
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level++;
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SHIFT; fprintf (fo, "num_op = %i;\n", no);
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SHIFT; fprintf (fo, "insn_index = %i; /* \"%s\" */\n", insn_index, insn_name (insn_index));
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for (no = 0; no < num_op; no++) {
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SHIFT; fprintf (fo, "op[%i] = %c;\n", no, 'a' + no);
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SHIFT; fprintf (fo, "op[%i + MAX_OPERANDS] = 0x%08x;\n", no, op[no]);
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}
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level--;
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SHIFT; fprintf (fo, "}\n");
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}
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}
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/* Generates decode and execute for one instruction instance */
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/* Generates decode and execute for one instruction instance */
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int output_call (FILE *fo, int index, int level)
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int output_call (FILE *fo, int index, int level)
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{
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{
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| Line 245... |
Line 235... |
if (index >= 0) {
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if (index >= 0) {
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SHIFT; fprintf (fo, "unsigned long data, tmp;\n");
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SHIFT; fprintf (fo, "unsigned long data, tmp;\n");
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SHIFT; fprintf (fo, "unsigned long a, b, c; /* operands */\n");
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SHIFT; fprintf (fo, "unsigned long a, b, c; /* operands */\n");
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}
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}
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write_to_reg = 0;
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write_to_reg = 0;
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if (index >= 0) {
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if (index >= 0)
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gen_eval_operands (fo, index, level);
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gen_eval_operands (fo, index, level);
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} else {
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else
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SHIFT; fprintf (fo, "if (do_stats) {\n");
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num_op = 0;
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level++;
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SHIFT; fprintf (fo, "num_op = 0;\n");
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SHIFT; fprintf (fo, "insn_index = -1;\n");
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level--;
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SHIFT; fprintf (fo, "}\n");
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}
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SHIFT;
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SHIFT;
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if (index < 0) output_function (fo, "l_invalid", level);
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if (index < 0) output_function (fo, "l_invalid", level);
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else output_function (fo, or32_opcodes[index].function_name, level);
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else output_function (fo, or32_opcodes[index].function_name, level);
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fprintf (fo, "\n");
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fprintf (fo, "\n");
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for (i = 0; i < num_op; i++)
|
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if (op[i] & OPTYPE_DST) {
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SHIFT; fprintf (fo, "if (do_stats) {\n");
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SHIFT; fprintf (fo, "IFF (config.cpu.dependstats) op[%i + MAX_OPERANDS] |= OPTYPE_DST;\n", i);
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level++;
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SHIFT; fprintf (fo, "num_op = %i;\n", num_op);
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if (num_op) {SHIFT; fprintf (fo, " op = ¤t->op[0];\n");}
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SHIFT; fprintf (fo, "current->insn_index = %i; /* \"%s\" */\n", index, insn_name (index));
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for (i = 0; i < num_op; i++) {
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SHIFT; fprintf (fo, "op[%i] = %c;\n", i, 'a' + i);
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SHIFT; fprintf (fo, "op[%i + MAX_OPERANDS] = 0x%08x;\n", i, op[i]);
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}
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}
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SHIFT; fprintf (fo, "analysis(current);\n");
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level--;
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SHIFT; fprintf (fo, "}\n");
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if (write_to_reg) {
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if (write_to_reg) {
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SHIFT; fprintf (fo, "reg[0] = 0; /* Repair in case we changed it */\n", i);
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SHIFT; fprintf (fo, "reg[0] = 0; /* Repair in case we changed it */\n", i);
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}
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}
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level--;
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level--;
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SHIFT; fprintf (fo, "}");
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SHIFT; fprintf (fo, "}");
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return 0;
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return 0;
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}
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}
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|
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/* Generates .c file header */
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/* Generates .c file header */
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static int generate_header (FILE *fo)
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int generate_header (FILE *fo)
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{
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{
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fprintf (fo, "/* This file was automatically generated by generate (see cpu/or32/generate.c) */\n\n");
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fprintf (fo, "/* This file was automatically generated by generate (see cpu/or32/generate.c) */\n\n");
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fprintf (fo, "static inline void decode_execute (struct iqueue_entry *current)\n{\n");
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fprintf (fo, "static inline void decode_execute (struct iqueue_entry *current)\n{\n");
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fprintf (fo, " unsigned long insn = current->insn;\n");
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fprintf (fo, " unsigned long insn = current->insn;\n");
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fprintf (fo, " int insn_index;\n");
|
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fprintf (fo, " op = ¤t->op[0];\n");
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return 0;
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return 0;
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}
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}
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|
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/* Generates .c file footer */
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/* Generates .c file footer */
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int generate_footer (FILE *fo)
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int generate_footer (FILE *fo)
|
{
|
{
|
fprintf (fo, " current->insn_index = insn_index;\n");
|
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fprintf (fo, "}\n");
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fprintf (fo, "}\n");
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return 0;
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return 0;
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}
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}
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|
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/* Decodes all instructions and generates code for that. This function
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/* Decodes all instructions and generates code for that. This function
|
is similar to insn_decode, except it decodes all instructions. */
|
is similar to insn_decode, except it decodes all instructions. */
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static int generate_body (FILE *fo, unsigned long *a, unsigned long cur_mask, int level)
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static int generate_body (FILE *fo, unsigned long *a, unsigned long cur_mask, int level)
|
{
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{
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|
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int i;
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int i;
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if (!(*a & LEAF_FLAG)) {
|
if (!(*a & LEAF_FLAG)) {
|
unsigned int shift = *a++;
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unsigned int shift = *a++;
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unsigned int mask = *a++;
|
unsigned int mask = *a++;
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int prev_invalid = 0;
|
int prev_invalid = 0;
|
