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CRIS MMU Updates

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* Add support for exec faults and for the k protection bit.
* Abort if search_pc causes recursive mmu faults.



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4349 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
edgar_igl 2008-05-06 08:04:40 +00:00
parent 4586f9e9a1
commit ef29a70d18
3 changed files with 28 additions and 10 deletions
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11
target-cris/helper.c
View file

@ -79,6 +79,12 @@ int cpu_cris_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
miss = cris_mmu_translate(&res, env, address, rw, mmu_idx);
if (miss)
{
if (env->exception_index == EXCP_MMU_FAULT)
cpu_abort(env,
"CRIS: Illegal recursive bus fault."
"addr=%x rw=%d\n",
address, rw);
env->exception_index = EXCP_MMU_FAULT;
env->fault_vector = res.bf_vec;
r = 1;
@ -101,7 +107,7 @@ void do_interrupt(CPUState *env)
{
int ex_vec = -1;
D(fprintf (stderr, "exception index=%d interrupt_req=%d\n",
D(fprintf (logfile, "exception index=%d interrupt_req=%d\n",
env->exception_index,
env->interrupt_request));
@ -133,8 +139,9 @@ void do_interrupt(CPUState *env)
}
if ((env->pregs[PR_CCS] & U_FLAG)) {
D(fprintf(logfile, "excp isr=%x PC=%x ERP=%x pid=%x ccs=%x cc=%d %x\n",
D(fprintf(logfile, "excp isr=%x PC=%x SP=%x ERP=%x pid=%x ccs=%x cc=%d %x\n",
ex_vec, env->pc,
env->regs[R_SP],
env->pregs[PR_ERP], env->pregs[PR_PID],
env->pregs[PR_CCS],
env->cc_op, env->cc_mask));