t_gen_raise_exception(EXCP_BREAK);
}
+static void gen_store_v10_conditional(DisasContext *dc, TCGv addr, TCGv val,
+ unsigned int size, int mem_index)
+{
+ int l1 = gen_new_label();
+ TCGv taddr = tcg_temp_local_new();
+ TCGv tval = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_local_new();
+ dc->postinc = 0;
+ cris_evaluate_flags(dc);
+
+ tcg_gen_mov_tl(taddr, addr);
+ tcg_gen_mov_tl(tval, val);
+
+ /* Store only if F flag isn't set */
+ tcg_gen_andi_tl(t1, cpu_PR[PR_CCS], F_FLAG_V10);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
+ if (size == 1) {
+ tcg_gen_qemu_st8(tval, taddr, mem_index);
+ } else if (size == 2) {
+ tcg_gen_qemu_st16(tval, taddr, mem_index);
+ } else {
+ tcg_gen_qemu_st32(tval, taddr, mem_index);
+ }
+ gen_set_label(l1);
+ tcg_gen_shri_tl(t1, t1, 1); /* shift F to P position */
+ tcg_gen_or_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], t1); /*P=F*/
+ tcg_temp_free(t1);
+ tcg_temp_free(tval);
+ tcg_temp_free(taddr);
+}
+
+static void gen_store_v10(DisasContext *dc, TCGv addr, TCGv val,
+ unsigned int size)
+{
+ int mem_index = cpu_mmu_index(dc->env);
+
+ /* If we get a fault on a delayslot we must keep the jmp state in
+ the cpu-state to be able to re-execute the jmp. */
+ if (dc->delayed_branch == 1) {
+ cris_store_direct_jmp(dc);
+ }
+
+ /* Conditional writes. We only support the kind were X is known
+ at translation time. */
+ if (dc->flagx_known && dc->flags_x) {
+ gen_store_v10_conditional(dc, addr, val, size, mem_index);
+ return;
+ }
+
+ if (size == 1) {
+ tcg_gen_qemu_st8(val, addr, mem_index);
+ } else if (size == 2) {
+ tcg_gen_qemu_st16(val, addr, mem_index);
+ } else {
+ tcg_gen_qemu_st32(val, addr, mem_index);
+ }
+}
+
+
/* Prefix flag and register are used to handle the more complex
addressing modes. */
static void cris_set_prefix(DisasContext *dc)
return insn_len;
}
-static int dec10_prep_move_m(DisasContext *dc, int s_ext, int memsize,
- TCGv dst)
+static int dec10_prep_move_m(CPUCRISState *env, DisasContext *dc,
+ int s_ext, int memsize, TCGv dst)
{
unsigned int rs;
uint32_t imm;
if (memsize != 4) {
if (s_ext) {
if (memsize == 1)
- imm = ldsb_code(dc->pc + 2);
+ imm = cpu_ldsb_code(env, dc->pc + 2);
else
- imm = ldsw_code(dc->pc + 2);
+ imm = cpu_ldsw_code(env, dc->pc + 2);
} else {
if (memsize == 1)
- imm = ldub_code(dc->pc + 2);
+ imm = cpu_ldub_code(env, dc->pc + 2);
else
- imm = lduw_code(dc->pc + 2);
+ imm = cpu_lduw_code(env, dc->pc + 2);
}
} else
- imm = ldl_code(dc->pc + 2);
+ imm = cpu_ldl_code(env, dc->pc + 2);
tcg_gen_movi_tl(dst, imm);
} else {
/* BTST */
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
- gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->dst],
+ gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->dst],
tcg_const_tl(imm), cpu_PR[PR_CCS]);
}
break;
break;
case CRISV10_QIMM_BCC_R0:
- if (!dc->ir) {
- cpu_abort(dc->env, "opcode zero\n");
- }
case CRISV10_QIMM_BCC_R1:
case CRISV10_QIMM_BCC_R2:
case CRISV10_QIMM_BCC_R3:
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);
+ tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS],
+ ~(flags|F_FLAG_V10|P_FLAG_V10));
}
dc->flags_uptodate = 1;
LOG_DIS("btst $r%d, $r%d sz=%d\n", dc->src, dc->dst, size);
cris_cc_mask(dc, CC_MASK_NZVC);
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
- gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->dst],
+ gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->dst],
cpu_R[dc->src], cpu_PR[PR_CCS]);
break;
case CRISV10_REG_DSTEP:
return insn_len;
}
-static unsigned int dec10_ind_move_m_r(DisasContext *dc, unsigned int size)
+static unsigned int dec10_ind_move_m_r(CPUCRISState *env, DisasContext *dc,
+ unsigned int size)
{
unsigned int insn_len = 2;
TCGv t;
cris_cc_mask(dc, CC_MASK_NZVC);
t = tcg_temp_new();
- insn_len += dec10_prep_move_m(dc, 0, size, t);
+ insn_len += dec10_prep_move_m(env, dc, 0, size, t);
cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst], cpu_R[dc->dst], t, size);
if (dc->dst == 15) {
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
LOG_DIS("move.%d $r%d, [$r%d]\n", dc->size, dc->src, dc->dst);
addr = tcg_temp_new();
crisv10_prepare_memaddr(dc, addr, size);
- gen_store(dc, addr, cpu_R[dc->dst], size);
+ gen_store_v10(dc, addr, cpu_R[dc->dst], size);
insn_len += crisv10_post_memaddr(dc, size);
return insn_len;
}
-static unsigned int dec10_ind_move_m_pr(DisasContext *dc)
+static unsigned int dec10_ind_move_m_pr(CPUCRISState *env, DisasContext *dc)
{
unsigned int insn_len = 2, rd = dc->dst;
TCGv t, addr;
addr = tcg_temp_new();
t = tcg_temp_new();
- insn_len += dec10_prep_move_m(dc, 0, 4, t);
+ insn_len += dec10_prep_move_m(env, dc, 0, 4, t);
if (rd == 15) {
tcg_gen_mov_tl(env_btarget, t);
cris_prepare_jmp(dc, JMP_INDIRECT);
t0 = tcg_temp_new();
cris_evaluate_flags(dc);
tcg_gen_andi_tl(t0, cpu_PR[PR_CCS], ~PFIX_FLAG);
- gen_store(dc, addr, t0, size);
+ gen_store_v10(dc, addr, t0, size);
tcg_temp_free(t0);
} else {
- gen_store(dc, addr, cpu_PR[dc->dst], size);
+ gen_store_v10(dc, addr, cpu_PR[dc->dst], size);
}
t0 = tcg_temp_new();
insn_len += crisv10_post_memaddr(dc, size);
tcg_gen_mov_tl(t0, addr);
for (i = dc->dst; i >= 0; i--) {
if ((pfix && dc->mode == CRISV10_MODE_AUTOINC) && dc->src == i) {
- gen_store(dc, addr, t0, 4);
+ gen_store_v10(dc, addr, t0, 4);
} else {
- gen_store(dc, addr, cpu_R[i], 4);
+ gen_store_v10(dc, addr, cpu_R[i], 4);
}
tcg_gen_addi_tl(addr, addr, 4);
}
tcg_temp_free(t0);
}
-static int dec10_ind_alu(DisasContext *dc, int op, unsigned int size)
+static int dec10_ind_alu(CPUCRISState *env, DisasContext *dc,
+ int op, unsigned int size)
{
int insn_len = 0;
int rd = dc->dst;
TCGv t[2];
cris_alu_m_alloc_temps(t);
- insn_len += dec10_prep_move_m(dc, 0, size, t[0]);
+ insn_len += dec10_prep_move_m(env, dc, 0, size, t[0]);
cris_alu(dc, op, cpu_R[dc->dst], cpu_R[rd], t[0], size);
if (dc->dst == 15) {
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
return insn_len;
}
-static int dec10_ind_bound(DisasContext *dc, unsigned int size)
+static int dec10_ind_bound(CPUCRISState *env, DisasContext *dc,
+ unsigned int size)
{
int insn_len = 0;
int rd = dc->dst;
TCGv t;
t = tcg_temp_local_new();
- insn_len += dec10_prep_move_m(dc, 0, size, t);
+ insn_len += dec10_prep_move_m(env, dc, 0, size, t);
cris_alu(dc, CC_OP_BOUND, cpu_R[dc->dst], cpu_R[rd], t, 4);
if (dc->dst == 15) {
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
return insn_len;
}
-static int dec10_alux_m(DisasContext *dc, int op)
+static int dec10_alux_m(CPUCRISState *env, DisasContext *dc, int op)
{
unsigned int size = (dc->size & 1) ? 2 : 1;
unsigned int sx = !!(dc->size & 2);
t = tcg_temp_new();
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_prep_move_m(dc, sx, size, t);
+ insn_len += dec10_prep_move_m(env, dc, sx, size, t);
cris_alu(dc, op, cpu_R[dc->dst], cpu_R[rd], t, 4);
if (dc->dst == 15) {
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
return insn_len;
}
-static int dec10_dip(DisasContext *dc)
+static int dec10_dip(CPUCRISState *env, DisasContext *dc)
{
int insn_len = 2;
uint32_t imm;
LOG_DIS("dip pc=%x opcode=%d r%d r%d\n",
dc->pc, dc->opcode, dc->src, dc->dst);
if (dc->src == 15) {
- imm = ldl_code(dc->pc + 2);
+ imm = cpu_ldl_code(env, dc->pc + 2);
tcg_gen_movi_tl(cpu_PR[PR_PREFIX], imm);
if (dc->postinc)
insn_len += 4;
return insn_len;
}
-static int dec10_bdap_m(DisasContext *dc, int size)
+static int dec10_bdap_m(CPUCRISState *env, DisasContext *dc, int size)
{
int insn_len = 2;
int rd = dc->dst;
}
#endif
/* Now the rest of the modes are truly indirect. */
- insn_len += dec10_prep_move_m(dc, 1, size, cpu_PR[PR_PREFIX]);
+ insn_len += dec10_prep_move_m(env, dc, 1, size, cpu_PR[PR_PREFIX]);
tcg_gen_add_tl(cpu_PR[PR_PREFIX], cpu_PR[PR_PREFIX], cpu_R[rd]);
cris_set_prefix(dc);
return insn_len;
}
-static unsigned int dec10_ind(DisasContext *dc)
+static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
{
unsigned int insn_len = 2;
unsigned int size = dec10_size(dc->size);
if (dc->size != 3) {
switch (dc->opcode) {
case CRISV10_IND_MOVE_M_R:
- return dec10_ind_move_m_r(dc, size);
+ return dec10_ind_move_m_r(env, dc, size);
break;
case CRISV10_IND_MOVE_R_M:
return dec10_ind_move_r_m(dc, size);
case CRISV10_IND_CMP:
LOG_DIS("cmp size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_alu(dc, CC_OP_CMP, size);
+ insn_len += dec10_ind_alu(env, dc, CC_OP_CMP, size);
break;
case CRISV10_IND_TEST:
LOG_DIS("test size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_evaluate_flags(dc);
cris_cc_mask(dc, CC_MASK_NZVC);
cris_alu_m_alloc_temps(t);
- insn_len += dec10_prep_move_m(dc, 0, size, t[0]);
+ insn_len += dec10_prep_move_m(env, dc, 0, size, t[0]);
tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3);
cris_alu(dc, CC_OP_CMP, cpu_R[dc->dst],
t[0], tcg_const_tl(0), size);
case CRISV10_IND_ADD:
LOG_DIS("add size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_alu(dc, CC_OP_ADD, size);
+ insn_len += dec10_ind_alu(env, dc, CC_OP_ADD, size);
break;
case CRISV10_IND_SUB:
LOG_DIS("sub size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_alu(dc, CC_OP_SUB, size);
+ insn_len += dec10_ind_alu(env, dc, CC_OP_SUB, size);
break;
case CRISV10_IND_BOUND:
LOG_DIS("bound size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_bound(dc, size);
+ insn_len += dec10_ind_bound(env, dc, size);
break;
case CRISV10_IND_AND:
LOG_DIS("and size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_alu(dc, CC_OP_AND, size);
+ insn_len += dec10_ind_alu(env, dc, CC_OP_AND, size);
break;
case CRISV10_IND_OR:
LOG_DIS("or size=%d op=%d %d\n", size, dc->src, dc->dst);
cris_cc_mask(dc, CC_MASK_NZVC);
- insn_len += dec10_ind_alu(dc, CC_OP_OR, size);
+ insn_len += dec10_ind_alu(env, dc, CC_OP_OR, size);
break;
case CRISV10_IND_MOVX:
- insn_len = dec10_alux_m(dc, CC_OP_MOVE);
+ insn_len = dec10_alux_m(env, dc, CC_OP_MOVE);
break;
case CRISV10_IND_ADDX:
- insn_len = dec10_alux_m(dc, CC_OP_ADD);
+ insn_len = dec10_alux_m(env, dc, CC_OP_ADD);
break;
case CRISV10_IND_SUBX:
- insn_len = dec10_alux_m(dc, CC_OP_SUB);
+ insn_len = dec10_alux_m(env, dc, CC_OP_SUB);
break;
case CRISV10_IND_CMPX:
- insn_len = dec10_alux_m(dc, CC_OP_CMP);
+ insn_len = dec10_alux_m(env, dc, CC_OP_CMP);
break;
case CRISV10_IND_MUL:
/* This is a reg insn coded in the mem indir space. */
dec10_reg_mul(dc, size, dc->ir & (1 << 10));
break;
case CRISV10_IND_BDAP_M:
- insn_len = dec10_bdap_m(dc, size);
+ insn_len = dec10_bdap_m(env, dc, size);
break;
default:
LOG_DIS("pc=%x var-ind.%d %d r%d r%d\n",
switch (dc->opcode) {
case CRISV10_IND_MOVE_M_SPR:
- insn_len = dec10_ind_move_m_pr(dc);
+ insn_len = dec10_ind_move_m_pr(env, dc);
break;
case CRISV10_IND_MOVE_SPR_M:
insn_len = dec10_ind_move_pr_m(dc);
if (dc->src == 15) {
LOG_DIS("jump.%d %d r%d r%d direct\n", size,
dc->opcode, dc->src, dc->dst);
- imm = ldl_code(dc->pc + 2);
+ imm = cpu_ldl_code(env, dc->pc + 2);
if (dc->mode == CRISV10_MODE_AUTOINC)
insn_len += size;
LOG_DIS("break %d\n", dc->src);
cris_evaluate_flags(dc);
tcg_gen_movi_tl(env_pc, dc->pc + 2);
+ t_gen_mov_env_TN(trap_vector, tcg_const_tl(dc->src + 2));
t_gen_raise_exception(EXCP_BREAK);
dc->is_jmp = DISAS_UPDATE;
return insn_len;
dc->delayed_branch--; /* v10 has no dslot here. */
break;
case CRISV10_IND_MOVX:
- insn_len = dec10_alux_m(dc, CC_OP_MOVE);
+ insn_len = dec10_alux_m(env, dc, CC_OP_MOVE);
break;
case CRISV10_IND_ADDX:
- insn_len = dec10_alux_m(dc, CC_OP_ADD);
+ insn_len = dec10_alux_m(env, dc, CC_OP_ADD);
break;
case CRISV10_IND_SUBX:
- insn_len = dec10_alux_m(dc, CC_OP_SUB);
+ insn_len = dec10_alux_m(env, dc, CC_OP_SUB);
break;
case CRISV10_IND_CMPX:
- insn_len = dec10_alux_m(dc, CC_OP_CMP);
+ insn_len = dec10_alux_m(env, dc, CC_OP_CMP);
break;
case CRISV10_IND_DIP:
- insn_len = dec10_dip(dc);
+ insn_len = dec10_dip(env, dc);
break;
case CRISV10_IND_BCC_M:
cris_cc_mask(dc, 0);
- imm = ldsw_code(dc->pc + 2);
+ imm = cpu_ldsw_code(env, dc->pc + 2);
simm = (int16_t)imm;
simm += 4;
return insn_len;
}
-static unsigned int crisv10_decoder(DisasContext *dc)
+static unsigned int crisv10_decoder(CPUCRISState *env, DisasContext *dc)
{
unsigned int insn_len = 2;
tcg_gen_debug_insn_start(dc->pc);
/* Load a halfword onto the instruction register. */
- dc->ir = lduw_code(dc->pc);
+ dc->ir = cpu_lduw_code(env, dc->pc);
/* Now decode it. */
dc->opcode = EXTRACT_FIELD(dc->ir, 6, 9);
break;
case CRISV10_MODE_AUTOINC:
case CRISV10_MODE_INDIRECT:
- insn_len = dec10_ind(dc);
+ insn_len = dec10_ind(env, dc);
break;
}
return insn_len;
}
-static CPUCRISState *cpu_crisv10_init (CPUState *env)
+void cris_initialize_crisv10_tcg(void)
{
int i;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
cc_x = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_x), "cc_x");
+ offsetof(CPUCRISState, cc_x), "cc_x");
cc_src = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_src), "cc_src");
+ offsetof(CPUCRISState, cc_src), "cc_src");
cc_dest = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_dest),
+ offsetof(CPUCRISState, cc_dest),
"cc_dest");
cc_result = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_result),
+ offsetof(CPUCRISState, cc_result),
"cc_result");
cc_op = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_op), "cc_op");
+ offsetof(CPUCRISState, cc_op), "cc_op");
cc_size = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_size),
+ offsetof(CPUCRISState, cc_size),
"cc_size");
cc_mask = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, cc_mask),
+ offsetof(CPUCRISState, cc_mask),
"cc_mask");
env_pc = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, pc),
+ offsetof(CPUCRISState, pc),
"pc");
env_btarget = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, btarget),
+ offsetof(CPUCRISState, btarget),
"btarget");
env_btaken = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, btaken),
+ offsetof(CPUCRISState, btaken),
"btaken");
for (i = 0; i < 16; i++) {
cpu_R[i] = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, regs[i]),
+ offsetof(CPUCRISState, regs[i]),
regnames_v10[i]);
}
for (i = 0; i < 16; i++) {
cpu_PR[i] = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, pregs[i]),
+ offsetof(CPUCRISState, pregs[i]),
pregnames_v10[i]);
}
-
- return env;
}
-
projects / qemu.git / blobdiff