Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240412073346.458116-16-richard.henderson@linaro.org>
---
disas/microblaze.c | 263 ++++++++++++++++++++++++---------------------
1 file changed, 141 insertions(+), 122 deletions(-)
diff --git a/disas/microblaze.c b/disas/microblaze.c
index 3473c94164..c729c76585 100644
--- a/disas/microblaze.c
+++ b/disas/microblaze.c
@@ -787,134 +787,153 @@ static void print_immval_addr(struct disassemble_info *info, bool immfound,
}
int
-print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
+print_insn_microblaze(bfd_vma memaddr, struct disassemble_info *info)
{
- fprintf_function fprintf_func = info->fprintf_func;
- void * stream = info->stream;
- unsigned long inst, prev_inst;
- const struct op_code_struct *op, *pop;
- int immval = 0;
- bfd_boolean immfound = FALSE;
- static bfd_vma prev_insn_addr = -1; /*init the prev insn addr */
- static int prev_insn_vma = -1; /*init the prev insn vma */
- int curr_insn_vma = info->buffer_vma;
+ fprintf_function fprintf_func = info->fprintf_func;
+ void *stream = info->stream;
+ unsigned long inst, prev_inst;
+ const struct op_code_struct *op, *pop;
+ int immval = 0;
+ bool immfound = false;
+ static bfd_vma prev_insn_addr = -1; /*init the prev insn addr */
+ static int prev_insn_vma = -1; /*init the prev insn vma */
+ int curr_insn_vma = info->buffer_vma;
- info->bytes_per_chunk = 4;
+ info->bytes_per_chunk = 4;
- inst = read_insn_microblaze (memaddr, info, &op);
- if (inst == 0) {
- return -1;
- }
+ inst = read_insn_microblaze (memaddr, info, &op);
+ if (inst == 0) {
+ return -1;
+ }
- if (prev_insn_vma == curr_insn_vma) {
- if (memaddr-(info->bytes_per_chunk) == prev_insn_addr) {
- prev_inst = read_insn_microblaze (prev_insn_addr, info, &pop);
- if (prev_inst == 0)
- return -1;
- if (pop->instr == imm) {
- immval = (get_int_field_imm(prev_inst) << 16) & 0xffff0000;
- immfound = TRUE;
+ if (prev_insn_vma == curr_insn_vma) {
+ if (memaddr - info->bytes_per_chunk == prev_insn_addr) {
+ prev_inst = read_insn_microblaze (prev_insn_addr, info, &pop);
+ if (prev_inst == 0)
+ return -1;
+ if (pop->instr == imm) {
+ immval = (get_int_field_imm(prev_inst) << 16) & 0xffff0000;
+ immfound = TRUE;
+ }
+ else {
+ immval = 0;
+ immfound = FALSE;
+ }
+ }
}
- else {
- immval = 0;
- immfound = FALSE;
- }
- }
- }
- /* make curr insn as prev insn */
- prev_insn_addr = memaddr;
- prev_insn_vma = curr_insn_vma;
+ /* make curr insn as prev insn */
+ prev_insn_addr = memaddr;
+ prev_insn_vma = curr_insn_vma;
- if (op->name == 0) {
- fprintf_func (stream, ".short 0x%04lx", inst);
- }
- else
- {
- fprintf_func (stream, "%s", op->name);
+ if (op->name == 0) {
+ fprintf_func (stream, ".short 0x%04lx", inst);
+ return 4;
+ }
+
+ fprintf_func (stream, "%s", op->name);
- switch (op->inst_type)
- {
- case INST_TYPE_RD_R1_R2:
- fprintf_func(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_r2(inst));
- break;
- case INST_TYPE_RD_R1_IMM:
- fprintf_func(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_imm(inst));
- if (get_int_field_r1(inst) == 0) {
- print_immval_addr(info, immfound, immval, inst, 0);
- }
- break;
- case INST_TYPE_RD_R1_IMM5:
- fprintf_func(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_imm5(inst));
- break;
- case INST_TYPE_RD_RFSL:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_rfsl(inst));
- break;
- case INST_TYPE_R1_RFSL:
- fprintf_func(stream, "\t%s, %s", get_field_r1(inst), get_field_rfsl(inst));
- break;
- case INST_TYPE_RD_SPECIAL:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_special(inst, op));
- break;
- case INST_TYPE_SPECIAL_R1:
- fprintf_func(stream, "\t%s, %s", get_field_special(inst, op), get_field_r1(inst));
- break;
- case INST_TYPE_RD_R1:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_r1(inst));
- break;
- case INST_TYPE_R1_R2:
- fprintf_func(stream, "\t%s, %s", get_field_r1(inst), get_field_r2(inst));
- break;
- case INST_TYPE_R1_IMM:
- fprintf_func(stream, "\t%s, %s", get_field_r1(inst), get_field_imm(inst));
- /* The non-pc relative instructions are returns, which shouldn't
- have a label printed */
- if (op->inst_offset_type == INST_PC_OFFSET) {
- print_immval_addr(info, immfound, immval, inst, memaddr);
- }
- break;
- case INST_TYPE_RD_IMM:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_imm(inst));
- print_immval_addr(info, immfound, immval, inst,
- op->inst_offset_type == INST_PC_OFFSET
- ? memaddr : 0);
- break;
- case INST_TYPE_IMM:
- fprintf_func(stream, "\t%s", get_field_imm(inst));
- if (op->instr != imm) {
- print_immval_addr(info, immfound, immval, inst,
- op->inst_offset_type == INST_PC_OFFSET
- ? memaddr : 0);
- }
- break;
- case INST_TYPE_RD_R2:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_r2(inst));
- break;
- case INST_TYPE_R2:
- fprintf_func(stream, "\t%s", get_field_r2(inst));
- break;
- case INST_TYPE_R1:
- fprintf_func(stream, "\t%s", get_field_r1(inst));
- break;
- case INST_TYPE_RD_R1_SPECIAL:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_r2(inst));
- break;
- case INST_TYPE_RD_IMM15:
- fprintf_func(stream, "\t%s, %s", get_field_rd(inst), get_field_imm15(inst));
- break;
- /* For tuqula instruction */
- case INST_TYPE_RD:
- fprintf_func(stream, "\t%s", get_field_rd(inst));
- break;
- case INST_TYPE_RFSL:
- fprintf_func(stream, "\t%s", get_field_rfsl(inst));
- break;
- default:
- /* if the disassembler lags the instruction set */
- fprintf_func (stream, "\tundecoded operands, inst is 0x%04lx", inst);
- break;
- }
+ switch (op->inst_type) {
+ case INST_TYPE_RD_R1_R2:
+ fprintf_func(stream, "\t%s, %s, %s",
+ get_field_rd(inst), get_field_r1(inst),
+ get_field_r2(inst));
+ break;
+ case INST_TYPE_RD_R1_IMM:
+ fprintf_func(stream, "\t%s, %s, %s",
+ get_field_rd(inst), get_field_r1(inst),
+ get_field_imm(inst));
+ if (get_int_field_r1(inst) == 0) {
+ print_immval_addr(info, immfound, immval, inst, 0);
+ }
+ break;
+ case INST_TYPE_RD_R1_IMM5:
+ fprintf_func(stream, "\t%s, %s, %s",
+ get_field_rd(inst), get_field_r1(inst),
+ get_field_imm5(inst));
+ break;
+ case INST_TYPE_RD_RFSL:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_rfsl(inst));
+ break;
+ case INST_TYPE_R1_RFSL:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_r1(inst), get_field_rfsl(inst));
+ break;
+ case INST_TYPE_RD_SPECIAL:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_special(inst, op));
+ break;
+ case INST_TYPE_SPECIAL_R1:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_special(inst, op), get_field_r1(inst));
+ break;
+ case INST_TYPE_RD_R1:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_r1(inst));
+ break;
+ case INST_TYPE_R1_R2:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_r1(inst), get_field_r2(inst));
+ break;
+ case INST_TYPE_R1_IMM:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_r1(inst), get_field_imm(inst));
+ /*
+ * The non-pc relative instructions are returns,
+ * which shouldn't have a label printed.
+ */
+ if (op->inst_offset_type == INST_PC_OFFSET) {
+ print_immval_addr(info, immfound, immval, inst, memaddr);
+ }
+ break;
+ case INST_TYPE_RD_IMM:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_imm(inst));
+ print_immval_addr(info, immfound, immval, inst,
+ op->inst_offset_type == INST_PC_OFFSET
+ ? memaddr : 0);
+ break;
+ case INST_TYPE_IMM:
+ fprintf_func(stream, "\t%s", get_field_imm(inst));
+ if (op->instr != imm) {
+ print_immval_addr(info, immfound, immval, inst,
+ op->inst_offset_type == INST_PC_OFFSET
+ ? memaddr : 0);
+ }
+ break;
+ case INST_TYPE_RD_R2:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_r2(inst));
+ break;
+ case INST_TYPE_R2:
+ fprintf_func(stream, "\t%s",
+ get_field_r2(inst));
+ break;
+ case INST_TYPE_R1:
+ fprintf_func(stream, "\t%s",
+ get_field_r1(inst));
+ break;
+ case INST_TYPE_RD_R1_SPECIAL:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_r2(inst));
+ break;
+ case INST_TYPE_RD_IMM15:
+ fprintf_func(stream, "\t%s, %s",
+ get_field_rd(inst), get_field_imm15(inst));
+ break;
+ /* For tuqula instruction */
+ case INST_TYPE_RD:
+ fprintf_func(stream, "\t%s",
+ get_field_rd(inst));
+ break;
+ case INST_TYPE_RFSL:
+ fprintf_func(stream, "\t%s",
+ get_field_rfsl(inst));
+ break;
+ default:
+ /* if the disassembler lags the instruction set */
+ fprintf_func(stream, "\tundecoded operands, inst is 0x%04lx", inst);
+ break;
}
-
- /* Say how many bytes we consumed? */
- return 4;
+ return 4;
}
--
2.34.1