diff options
Diffstat (limited to 'target-cris/translate.c')
| -rw-r--r-- | target-cris/translate.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c index cd0c2e15f..d971d1d2b 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -77,6 +77,8 @@ TCGv env_btaken; TCGv env_btarget; TCGv env_pc; +#include "gen-icount.h" + /* This is the state at translation time. */ typedef struct DisasContext { CPUState *env; @@ -3032,6 +3034,8 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, struct DisasContext *dc = &ctx; uint32_t next_page_start; target_ulong npc; + int num_insns; + int max_insns; if (!logfile) logfile = stderr; @@ -3071,14 +3075,15 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, if (loglevel & CPU_LOG_TB_IN_ASM) { fprintf(logfile, - "srch=%d pc=%x %x flg=%llx bt=%x ds=%lld ccs=%x\n" + "srch=%d pc=%x %x flg=%llx bt=%x ds=%u ccs=%x\n" "pid=%x usp=%x\n" "%x.%x.%x.%x\n" "%x.%x.%x.%x\n" "%x.%x.%x.%x\n" "%x.%x.%x.%x\n", - search_pc, dc->pc, dc->ppc, tb->flags, - env->btarget, tb->flags & 7, + search_pc, dc->pc, dc->ppc, + (unsigned long long)tb->flags, + env->btarget, (unsigned)tb->flags & 7, env->pregs[PR_CCS], env->pregs[PR_PID], env->pregs[PR_USP], env->regs[0], env->regs[1], env->regs[2], env->regs[3], @@ -3092,6 +3097,12 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; lj = -1; + num_insns = 0; + max_insns = tb->cflags & CF_COUNT_MASK; + if (max_insns == 0) + max_insns = CF_COUNT_MASK; + + gen_icount_start(); do { check_breakpoint(env, dc); @@ -3108,6 +3119,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, else gen_opc_pc[lj] = dc->pc; gen_opc_instr_start[lj] = 1; + gen_opc_icount[lj] = num_insns; } /* Pretty disas. */ @@ -3116,6 +3128,8 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, DIS(fprintf(logfile, "%x ", dc->pc)); } + if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) + gen_io_start(); dc->clear_x = 1; if (unlikely(loglevel & CPU_LOG_TB_OP)) tcg_gen_debug_insn_start(dc->pc); @@ -3125,8 +3139,9 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, if (dc->clear_x) cris_clear_x_flag(dc); + num_insns++; /* Check for delayed branches here. If we do it before - actually genereating any host code, the simulator will just + actually generating any host code, the simulator will just loop doing nothing for on this program location. */ if (dc->delayed_branch) { dc->delayed_branch--; @@ -3151,12 +3166,15 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, if (!(tb->pc & 1) && env->singlestep_enabled) break; } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end - && (dc->pc < next_page_start)); + && (dc->pc < next_page_start) + && num_insns < max_insns); npc = dc->pc; if (dc->jmp == JMP_DIRECT && !dc->delayed_branch) npc = dc->jmp_pc; + if (tb->cflags & CF_LAST_IO) + gen_io_end(); /* Force an update if the per-tb cpu state has changed. */ if (dc->is_jmp == DISAS_NEXT && (dc->cpustate_changed || !dc->flagx_known @@ -3173,7 +3191,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, cris_evaluate_flags (dc); - if (__builtin_expect(env->singlestep_enabled, 0)) { + if (unlikely(env->singlestep_enabled)) { tcg_gen_movi_tl(env_pc, npc); t_gen_raise_exception(EXCP_DEBUG); } else { @@ -3194,6 +3212,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, break; } } + gen_icount_end(tb, num_insns); *gen_opc_ptr = INDEX_op_end; if (search_pc) { j = gen_opc_ptr - gen_opc_buf; @@ -3202,6 +3221,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, gen_opc_instr_start[lj++] = 0; } else { tb->size = dc->pc - pc_start; + tb->icount = num_insns; } #ifdef DEBUG_DISAS @@ -3209,7 +3229,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, fprintf(logfile, "--------------\n"); fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); target_disas(logfile, pc_start, dc->pc - pc_start, 0); - fprintf(logfile, "\nisize=%d osize=%d\n", + fprintf(logfile, "\nisize=%d osize=%zd\n", dc->pc - pc_start, gen_opc_ptr - gen_opc_buf); } #endif |