Beispiel #1
0
/* XXX: fix it to restore all registers */
void tlb_fill(CPUCRISState *env1, target_ulong addr, int is_write, int mmu_idx,
              uintptr_t retaddr)
{
    TranslationBlock *tb;
    CPUCRISState *saved_env;
    int ret;

    saved_env = env;
    env = env1;

    D_LOG("%s pc=%x tpc=%x ra=%p\n", __func__,
          env->pc, env->debug1, (void *)retaddr);
    ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx);
    if (unlikely(ret)) {
        if (retaddr) {
            /* now we have a real cpu fault */
            tb = tb_find_pc(retaddr);
            if (tb) {
                /* the PC is inside the translated code. It means that we have
                   a virtual CPU fault */
                cpu_restore_state(tb, env, retaddr);

		/* Evaluate flags after retranslation.  */
                helper_top_evaluate_flags();
            }
        }
        cpu_loop_exit(env);
    }
    env = saved_env;
}
Beispiel #2
0
/* XXX: fix it to restore all registers */
void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
{
    TranslationBlock *tb;
    CPUState *saved_env;
    unsigned long pc;
    int ret;

    /* XXX: hack to restore env in all cases, even if not called from
       generated code */
    saved_env = env;
    env = cpu_single_env;

    D_LOG("%s pc=%x tpc=%x ra=%x\n", __func__, 
	     env->pc, env->debug1, retaddr);
    ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
    if (unlikely(ret)) {
        if (retaddr) {
            /* now we have a real cpu fault */
            pc = (unsigned long)retaddr;
            tb = tb_find_pc(pc);
            if (tb) {
                /* the PC is inside the translated code. It means that we have
                   a virtual CPU fault */
                cpu_restore_state(tb, env, pc);

		/* Evaluate flags after retranslation.  */
                helper_top_evaluate_flags();
            }
        }
        cpu_loop_exit(env);
    }
    env = saved_env;
}
Beispiel #3
0
/* Try to fill the TLB and return an exception if error. If retaddr is
   NULL, it means that the function was called in C code (i.e. not
   from generated code or from helper.c) */
void tlb_fill(CPUCRISState *env, target_ulong addr, int is_write, int mmu_idx,
              uintptr_t retaddr)
{
    int ret;

    D_LOG("%s pc=%x tpc=%x ra=%p\n", __func__,
          env->pc, env->debug1, (void *)retaddr);
    ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx);
    if (unlikely(ret)) {
        if (retaddr) {
            /* now we have a real cpu fault */
            if (cpu_restore_state(env, retaddr)) {
		/* Evaluate flags after retranslation.  */
                helper_top_evaluate_flags(env);
            }
        }
        cpu_loop_exit(env);
    }
}