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mips, m68k: early check to see if the address of BB is the until address

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This commit is contained in:
Nguyen Anh Quynh 2015-09-22 10:24:26 +08:00
parent 242713ce64
commit a853eb6363
2 changed files with 16 additions and 0 deletions
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9
qemu/target-m68k/translate.c
View file

@ -3101,6 +3101,13 @@ gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb,
if (max_insns == 0) if (max_insns == 0)
max_insns = CF_COUNT_MASK; max_insns = CF_COUNT_MASK;
// Unicorn: early check to see if the address of this block is the until address
if (tb->pc == env->uc->addr_end) {
gen_tb_start(tcg_ctx);
gen_exception(dc, dc->pc, EXCP_TRAP15);
goto done_generating;
}
// Unicorn: trace this block on request // Unicorn: trace this block on request
// Only hook this block if it is not broken from previous translation due to // Only hook this block if it is not broken from previous translation due to
// full translation cache // full translation cache
@ -3179,6 +3186,8 @@ gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb,
break; break;
} }
} }
done_generating:
gen_tb_end(tcg_ctx, tb, num_insns); gen_tb_end(tcg_ctx, tb, num_insns);
*tcg_ctx->gen_opc_ptr = INDEX_op_end; *tcg_ctx->gen_opc_ptr = INDEX_op_end;

7
qemu/target-mips/translate.c
View file

@ -19207,6 +19207,13 @@ gen_intermediate_code_internal(MIPSCPU *cpu, TranslationBlock *tb,
max_insns = CF_COUNT_MASK; max_insns = CF_COUNT_MASK;
LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags); LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
// Unicorn: early check to see if the address of this block is the until address
if (tb->pc == env->uc->addr_end) {
gen_tb_start(tcg_ctx);
generate_exception(&ctx, EXCP_SYSCALL);
goto done_generating;
}
// Unicorn: trace this block on request // Unicorn: trace this block on request
// Only hook this block if it is not broken from previous translation due to // Only hook this block if it is not broken from previous translation due to
// full translation cache // full translation cache