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Diffstat (limited to 'target/xtensa/translate.c')
-rw-r--r--target/xtensa/translate.c43
1 files changed, 12 insertions, 31 deletions
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 0858c296ea..cb4294514e 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -64,7 +64,6 @@ typedef struct DisasContext {
bool sar_m32_allocated;
TCGv_i32 sar_m32;
- uint32_t ccount_delta;
unsigned window;
bool debug;
@@ -314,20 +313,9 @@ static void gen_left_shift_sar(DisasContext *dc, TCGv_i32 sa)
tcg_temp_free(tmp);
}
-static void gen_advance_ccount(DisasContext *dc)
-{
- if (dc->ccount_delta > 0) {
- TCGv_i32 tmp = tcg_const_i32(dc->ccount_delta);
- gen_helper_advance_ccount(cpu_env, tmp);
- tcg_temp_free(tmp);
- }
- dc->ccount_delta = 0;
-}
-
static void gen_exception(DisasContext *dc, int excp)
{
TCGv_i32 tmp = tcg_const_i32(excp);
- gen_advance_ccount(dc);
gen_helper_exception(cpu_env, tmp);
tcg_temp_free(tmp);
}
@@ -336,7 +324,6 @@ static void gen_exception_cause(DisasContext *dc, uint32_t cause)
{
TCGv_i32 tpc = tcg_const_i32(dc->pc);
TCGv_i32 tcause = tcg_const_i32(cause);
- gen_advance_ccount(dc);
gen_helper_exception_cause(cpu_env, tpc, tcause);
tcg_temp_free(tpc);
tcg_temp_free(tcause);
@@ -351,7 +338,6 @@ static void gen_exception_cause_vaddr(DisasContext *dc, uint32_t cause,
{
TCGv_i32 tpc = tcg_const_i32(dc->pc);
TCGv_i32 tcause = tcg_const_i32(cause);
- gen_advance_ccount(dc);
gen_helper_exception_cause_vaddr(cpu_env, tpc, tcause, vaddr);
tcg_temp_free(tpc);
tcg_temp_free(tcause);
@@ -361,7 +347,6 @@ static void gen_debug_exception(DisasContext *dc, uint32_t cause)
{
TCGv_i32 tpc = tcg_const_i32(dc->pc);
TCGv_i32 tcause = tcg_const_i32(cause);
- gen_advance_ccount(dc);
gen_helper_debug_exception(cpu_env, tpc, tcause);
tcg_temp_free(tpc);
tcg_temp_free(tcause);
@@ -394,7 +379,6 @@ static bool gen_check_cpenable(DisasContext *dc, unsigned cp)
static void gen_jump_slot(DisasContext *dc, TCGv dest, int slot)
{
tcg_gen_mov_i32(cpu_pc, dest);
- gen_advance_ccount(dc);
if (dc->icount) {
tcg_gen_mov_i32(cpu_SR[ICOUNT], dc->next_icount);
}
@@ -465,7 +449,6 @@ static bool gen_check_loop_end(DisasContext *dc, int slot)
dc->next_pc == dc->lend) {
TCGLabel *label = gen_new_label();
- gen_advance_ccount(dc);
tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_SR[LCOUNT], 0, label);
tcg_gen_subi_i32(cpu_SR[LCOUNT], cpu_SR[LCOUNT], 1);
gen_jumpi(dc, dc->lbeg, slot);
@@ -488,7 +471,6 @@ static void gen_brcond(DisasContext *dc, TCGCond cond,
{
TCGLabel *label = gen_new_label();
- gen_advance_ccount(dc);
tcg_gen_brcond_i32(cond, t0, t1, label);
gen_jumpi_check_loop_end(dc, 0);
gen_set_label(label);
@@ -530,7 +512,7 @@ static bool gen_check_sr(DisasContext *dc, uint32_t sr, unsigned access)
static void gen_rsr_ccount(DisasContext *dc, TCGv_i32 d, uint32_t sr)
{
- gen_advance_ccount(dc);
+ gen_helper_update_ccount(cpu_env);
tcg_gen_mov_i32(d, cpu_SR[sr]);
}
@@ -546,6 +528,7 @@ static void gen_rsr(DisasContext *dc, TCGv_i32 d, uint32_t sr)
static void (* const rsr_handler[256])(DisasContext *dc,
TCGv_i32 d, uint32_t sr) = {
[CCOUNT] = gen_rsr_ccount,
+ [INTSET] = gen_rsr_ccount,
[PTEVADDR] = gen_rsr_ptevaddr,
};
@@ -720,6 +703,11 @@ static void gen_wsr_ps(DisasContext *dc, uint32_t sr, TCGv_i32 v)
gen_jumpi_check_loop_end(dc, -1);
}
+static void gen_wsr_ccount(DisasContext *dc, uint32_t sr, TCGv_i32 v)
+{
+ gen_helper_wsr_ccount(cpu_env, v);
+}
+
static void gen_wsr_icount(DisasContext *dc, uint32_t sr, TCGv_i32 v)
{
if (dc->icount) {
@@ -741,10 +729,12 @@ static void gen_wsr_ccompare(DisasContext *dc, uint32_t sr, TCGv_i32 v)
uint32_t id = sr - CCOMPARE;
if (id < dc->config->nccompare) {
uint32_t int_bit = 1 << dc->config->timerint[id];
- gen_advance_ccount(dc);
+ TCGv_i32 tmp = tcg_const_i32(id);
+
tcg_gen_mov_i32(cpu_SR[sr], v);
tcg_gen_andi_i32(cpu_SR[INTSET], cpu_SR[INTSET], ~int_bit);
- gen_helper_check_interrupts(cpu_env);
+ gen_helper_update_ccompare(cpu_env, tmp);
+ tcg_temp_free(tmp);
}
}
@@ -777,6 +767,7 @@ static void gen_wsr(DisasContext *dc, uint32_t sr, TCGv_i32 s)
[INTCLEAR] = gen_wsr_intclear,
[INTENABLE] = gen_wsr_intenable,
[PS] = gen_wsr_ps,
+ [CCOUNT] = gen_wsr_ccount,
[ICOUNT] = gen_wsr_icount,
[ICOUNTLEVEL] = gen_wsr_icountlevel,
[CCOMPARE] = gen_wsr_ccompare,
@@ -829,7 +820,6 @@ static void gen_waiti(DisasContext *dc, uint32_t imm4)
{
TCGv_i32 pc = tcg_const_i32(dc->next_pc);
TCGv_i32 intlevel = tcg_const_i32(imm4);
- gen_advance_ccount(dc);
gen_helper_waiti(cpu_env, pc, intlevel);
tcg_temp_free(pc);
tcg_temp_free(intlevel);
@@ -841,7 +831,6 @@ static bool gen_window_check1(DisasContext *dc, unsigned r1)
TCGv_i32 pc = tcg_const_i32(dc->pc);
TCGv_i32 w = tcg_const_i32(r1 / 4);
- gen_advance_ccount(dc);
gen_helper_window_check(cpu_env, pc, w);
dc->is_jmp = DISAS_UPDATE;
return false;
@@ -1037,7 +1026,6 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER);
{
TCGv_i32 tmp = tcg_const_i32(dc->pc);
- gen_advance_ccount(dc);
gen_helper_retw(tmp, cpu_env, tmp);
gen_jump(dc, tmp);
tcg_temp_free(tmp);
@@ -1086,7 +1074,6 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER);
if (gen_window_check2(dc, RRR_T, RRR_S)) {
TCGv_i32 pc = tcg_const_i32(dc->pc);
- gen_advance_ccount(dc);
gen_helper_movsp(cpu_env, pc);
tcg_gen_mov_i32(cpu_R[RRR_T], cpu_R[RRR_S]);
tcg_temp_free(pc);
@@ -2517,7 +2504,6 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
tcg_gen_addi_i32(addr, cpu_R[RRI8_S], RRI8_IMM8 << 2);
gen_load_store_alignment(dc, 2, addr, true);
- gen_advance_ccount(dc);
tpc = tcg_const_i32(dc->pc);
gen_helper_check_atomctl(cpu_env, tpc, addr);
tcg_gen_qemu_ld32u(cpu_R[RRI8_T], addr, dc->cring);
@@ -2747,7 +2733,6 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
TCGv_i32 pc = tcg_const_i32(dc->pc);
TCGv_i32 s = tcg_const_i32(BRI12_S);
TCGv_i32 imm = tcg_const_i32(BRI12_IMM12);
- gen_advance_ccount(dc);
gen_helper_entry(cpu_env, pc, s, imm);
tcg_temp_free(imm);
tcg_temp_free(s);
@@ -2966,7 +2951,6 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER);
{
TCGv_i32 tmp = tcg_const_i32(dc->pc);
- gen_advance_ccount(dc);
gen_helper_retw(tmp, cpu_env, tmp);
gen_jump(dc, tmp);
tcg_temp_free(tmp);
@@ -3063,7 +3047,6 @@ void gen_intermediate_code(CPUXtensaState *env, TranslationBlock *tb)
dc.lbeg = env->sregs[LBEG];
dc.lend = env->sregs[LEND];
dc.is_jmp = DISAS_NEXT;
- dc.ccount_delta = 0;
dc.debug = tb->flags & XTENSA_TBFLAG_DEBUG;
dc.icount = tb->flags & XTENSA_TBFLAG_ICOUNT;
dc.cpenable = (tb->flags & XTENSA_TBFLAG_CPENABLE_MASK) >>
@@ -3088,8 +3071,6 @@ void gen_intermediate_code(CPUXtensaState *env, TranslationBlock *tb)
tcg_gen_insn_start(dc.pc);
++insn_count;
- ++dc.ccount_delta;
-
if (unlikely(cpu_breakpoint_test(cs, dc.pc, BP_ANY))) {
tcg_gen_movi_i32(cpu_pc, dc.pc);
gen_exception(&dc, EXCP_DEBUG);
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-07 21:17:36 +0000