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target/hppa: Implement IASQ

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Any one TB will have only one space value.  If we change spaces,
we change TBs.  Thus BE and BEV must exit the TB immediately.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-10-21 22:53:35 -07:00
parent 660eefe1ca
commit c301f34e79
6 changed files with 180 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

16
target/hppa/int_helper.c
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@ -32,6 +32,8 @@ void hppa_cpu_do_interrupt(CPUState *cs)
int i = cs->exception_index;
target_ureg iaoq_f = env->iaoq_f;
target_ureg iaoq_b = env->iaoq_b;
uint64_t iasq_f = env->iasq_f;
uint64_t iasq_b = env->iasq_b;
#ifndef CONFIG_USER_ONLY
target_ureg old_psw;
@ -44,6 +46,8 @@ void hppa_cpu_do_interrupt(CPUState *cs)
cpu_hppa_put_psw(env, PSW_W | (i == EXCP_HPMC ? PSW_M : 0));
/* step 3 */
env->cr[CR_IIASQ] = iasq_f >> 32;
env->cr_back[0] = iasq_b >> 32;
env->cr[CR_IIAOQ] = iaoq_f;
env->cr_back[1] = iaoq_b;
@ -79,6 +83,9 @@ void hppa_cpu_do_interrupt(CPUState *cs)
hwaddr paddr;
paddr = vaddr = iaoq_f & -4;
if (old_psw & PSW_C) {
vaddr = hppa_form_gva_psw(old_psw, iasq_f, iaoq_f & -4);
}
env->cr[CR_IIR] = ldl_phys(cs->as, paddr);
}
break;
@ -101,6 +108,8 @@ void hppa_cpu_do_interrupt(CPUState *cs)
/* step 7 */
env->iaoq_f = env->cr[CR_IVA] + 32 * i;
env->iaoq_b = env->iaoq_f + 4;
env->iasq_f = 0;
env->iasq_b = 0;
#endif
if (qemu_loglevel_mask(CPU_LOG_INT)) {
@ -151,10 +160,11 @@ void hppa_cpu_do_interrupt(CPUState *cs)
qemu_log("INT %6d: %s @ " TARGET_FMT_lx "," TARGET_FMT_lx
" -> " TREG_FMT_lx " " TARGET_FMT_lx "\n",
++count, name,
(target_ulong)iaoq_f,
(target_ulong)iaoq_b,
hppa_form_gva(env, iasq_f, iaoq_f),
hppa_form_gva(env, iasq_b, iaoq_b),
env->iaoq_f,
(target_ulong)env->cr[CR_IOR]);
hppa_form_gva(env, (uint64_t)env->cr[CR_ISR] << 32,
env->cr[CR_IOR]));
}
cs->exception_index = -1;
}