diff options
| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-09 23:06:31 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-09 23:06:31 +0000 |
| commit | a7cfbba0cf90e3a42f2fc05556dd5b1d614f4cad (patch) | |
| tree | 8be14449bb452712ce000a704cf093df34fe36d7 | |
| parent | e72210e194498c34358028d2236915c7856f1da9 (diff) | |
CRIS: Translator updates.
* RFN (Return From NMI) insn.
* Avoid unnecessary T0 transfers.
* Dont do tcg related init more than once.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4717 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | target-cris/translate.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c index 3affd1cec6..cd0c2e15fa 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -735,7 +735,7 @@ static void cris_evaluate_flags(DisasContext *dc) else tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~X_FLAG); - } + } dc->flags_uptodate = 1; } @@ -1530,7 +1530,6 @@ static unsigned int dec_btstq(DisasContext *dc) cris_cc_mask(dc, CC_MASK_NZ); - t_gen_mov_TN_reg(cpu_T[0], dc->op2); cris_alu(dc, CC_OP_BTST, cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); cris_update_cc_op(dc, CC_OP_FLAGS, 4); @@ -1968,11 +1967,10 @@ static unsigned int dec_movs_r(DisasContext *dc) dc->op1, dc->op2)); cris_cc_mask(dc, CC_MASK_NZ); - t_gen_mov_TN_reg(cpu_T[0], dc->op1); /* Size can only be qi or hi. */ t_gen_sext(cpu_T[1], cpu_R[dc->op1], size); cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); + cpu_R[dc->op2], cpu_R[dc->op1], cpu_T[1], 4); return 2; } @@ -2788,7 +2786,9 @@ static unsigned int dec_rfe_etc(DisasContext *dc) break; case 5: /* rfn. */ - BUG(); + cris_evaluate_flags(dc); + tcg_gen_helper_0_0(helper_rfn); + dc->is_jmp = DISAS_UPDATE; break; case 6: /* break. */ @@ -3271,12 +3271,20 @@ void cpu_dump_state (CPUState *env, FILE *f, CPUCRISState *cpu_cris_init (const char *cpu_model) { CPUCRISState *env; + static int tcg_initialized = 0; int i; env = qemu_mallocz(sizeof(CPUCRISState)); if (!env) return NULL; + cpu_exec_init(env); + cpu_reset(env); + + if (tcg_initialized) + return env; + + tcg_initialized = 1; cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); #if TARGET_LONG_BITS > HOST_LONG_BITS @@ -3337,6 +3345,7 @@ CPUCRISState *cpu_cris_init (const char *cpu_model) TCG_HELPER(helper_movl_sreg_reg); TCG_HELPER(helper_movl_reg_sreg); TCG_HELPER(helper_rfe); + TCG_HELPER(helper_rfn); TCG_HELPER(helper_evaluate_flags_muls); TCG_HELPER(helper_evaluate_flags_mulu); @@ -3346,8 +3355,6 @@ CPUCRISState *cpu_cris_init (const char *cpu_model) TCG_HELPER(helper_evaluate_flags_move_2); TCG_HELPER(helper_evaluate_flags); TCG_HELPER(helper_top_evaluate_flags); - - cpu_reset(env); return env; } |