static unsigned int dec10_setclrf(DisasContext *dc)
{
uint32_t flags;
unsigned int set = ~dc->opcode & 1;
flags = EXTRACT_FIELD(dc->ir, 0, 3)
| (EXTRACT_FIELD(dc->ir, 12, 15) << 4);
LOG_DIS("%s set=%d flags=%x\n", __func__, set, flags);
if (flags & X_FLAG) {
dc->flagx_known = 1;
if (set)
dc->flags_x = X_FLAG;
else
dc->flags_x = 0;
}
cris_evaluate_flags (dc);
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
cris_update_cc_x(dc);
tcg_gen_movi_tl(cc_op, dc->cc_op);
if (set) {
tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags);
} else {
tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS],
~(flags|F_FLAG_V10|P_FLAG_V10));
}
dc->flags_uptodate = 1;
dc->clear_x = 0;
cris_lock_irq(dc);
return 2;
}
static void dec_orhi(DisasContext *dc)
{
if (dc->r0 == R_R0) {
LOG_DIS("mvhi r%d, %d\n", dc->r1, dc->imm16);
} else {
LOG_DIS("orhi r%d, r%d, %d\n", dc->r1, dc->r0, dc->imm16);
}
tcg_gen_ori_tl(cpu_R[dc->r1], cpu_R[dc->r0], (dc->imm16 << 16));
}
/* Prefix flag and register are used to handle the more complex
addressing modes. */
static void cris_set_prefix(DisasContext *dc)
{
dc->clear_prefix = 0;
dc->tb_flags |= PFIX_FLAG;
tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], PFIX_FLAG);
/* prefix insns dont clear the x flag. */
dc->clear_x = 0;
cris_lock_irq(dc);
}
static void dec_b(DisasContext *dc)
{
if (dc->r0 == R_RA) {
LOG_DIS("ret\n");
} else if (dc->r0 == R_EA) {
LOG_DIS("eret\n");
} else if (dc->r0 == R_BA) {
LOG_DIS("bret\n");
} else {
LOG_DIS("b r%d\n", dc->r0);
}
/* restore IE.IE in case of an eret */
if (dc->r0 == R_EA) {
TCGv t0 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
tcg_gen_andi_tl(t0, cpu_ie, IE_EIE);
tcg_gen_ori_tl(cpu_ie, cpu_ie, IE_IE);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, IE_EIE, l1);
tcg_gen_andi_tl(cpu_ie, cpu_ie, ~IE_IE);
gen_set_label(l1);
tcg_temp_free(t0);
} else if (dc->r0 == R_BA) {
TCGv t0 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
tcg_gen_andi_tl(t0, cpu_ie, IE_BIE);
tcg_gen_ori_tl(cpu_ie, cpu_ie, IE_IE);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, IE_BIE, l1);
tcg_gen_andi_tl(cpu_ie, cpu_ie, ~IE_IE);
gen_set_label(l1);
tcg_temp_free(t0);
}
tcg_gen_mov_tl(cpu_pc, cpu_R[dc->r0]);
dc->is_jmp = DISAS_JUMP;
}
static void dec_or(DisasContext *dc)
{
if (dc->format == OP_FMT_RI) {
LOG_DIS("ori r%d, r%d, %d\n", dc->r1, dc->r0,
zero_extend(dc->imm16, 16));
} else {
if (dc->r1 == R_R0) {
LOG_DIS("mv r%d, r%d\n", dc->r2, dc->r0);
} else {
LOG_DIS("or r%d, r%d, r%d\n", dc->r2, dc->r0, dc->r1);
}
}
if (dc->format == OP_FMT_RI) {
tcg_gen_ori_tl(cpu_R[dc->r1], cpu_R[dc->r0],
zero_extend(dc->imm16, 16));
} else {
tcg_gen_or_tl(cpu_R[dc->r2], cpu_R[dc->r0], cpu_R[dc->r1]);
}
}
