static void
mca_save_state(mca_state_t *mca_state)
{
mca_mci_bank_t *bank;
unsigned int i;
assert(!ml_get_interrupts_enabled() || get_preemption_level() > 0);
if (mca_state == NULL)
return;
mca_state->mca_mcg_ctl = mca_control_MSR_present ?
rdmsr64(IA32_MCG_CTL) : 0ULL;
mca_state->mca_mcg_status.u64 = rdmsr64(IA32_MCG_STATUS);
bank = (mca_mci_bank_t *) &mca_state->mca_error_bank[0];
for (i = 0; i < mca_error_bank_count; i++, bank++) {
bank->mca_mci_ctl = rdmsr64(IA32_MCi_CTL(i));
bank->mca_mci_status.u64 = rdmsr64(IA32_MCi_STATUS(i));
if (!bank->mca_mci_status.bits.val)
continue;
bank->mca_mci_misc = (bank->mca_mci_status.bits.miscv)?
rdmsr64(IA32_MCi_MISC(i)) : 0ULL;
bank->mca_mci_addr = (bank->mca_mci_status.bits.addrv)?
rdmsr64(IA32_MCi_ADDR(i)) : 0ULL;
}
/*
* If we're the first thread with MCA state, point our package to it
* and don't care about races
*/
if (x86_package()->mca_state == NULL)
x86_package()->mca_state = mca_state;
}
static void
mca_dump_error_banks(mca_state_t *state)
{
unsigned int i;
kdb_printf("MCA error-reporting registers:\n");
for (i = 0; i < mca_error_bank_count; i++ ) {
if (i == 8) {
/*
* Fatal Memory Error
*/
/* Dump MC8 for local package */
kdb_printf(" Package %d logged:\n",
x86_package()->ppkg_num);
mca_dump_bank_mc8(state, 8);
/* If there's other packages, report their MC8s */
x86_pkg_t *pkg;
uint64_t deadline;
for (pkg = x86_pkgs; pkg != NULL; pkg = pkg->next) {
if (pkg == x86_package())
continue;
deadline = mach_absolute_time() + LockTimeOut;
while (pkg->mca_state == NULL &&
mach_absolute_time() < deadline)
cpu_pause();
if (pkg->mca_state) {
kdb_printf(" Package %d logged:\n",
pkg->ppkg_num);
mca_dump_bank_mc8(pkg->mca_state, 8);
} else {
kdb_printf(" Package %d timed out!\n",
pkg->ppkg_num);
}
}
continue;
}
mca_dump_bank(state, i);
}
}
static void
mca_cpu_dump_error_banks(mca_state_t *state)
{
unsigned int i;
if (!state->mca_is_valid)
return;
kdb_printf("MCA error-reporting registers:\n");
for (i = 0; i < mca_error_bank_count; i++ ) {
if (i == 8 && state == x86_package()->mca_state) {
/*
* Fatal Memory Error
*/
/* Dump MC8 for this package */
kdb_printf(" Package %d logged:\n",
x86_package()->ppkg_num);
mca_dump_bank_mc8(state, 8);
continue;
}
mca_dump_bank(state, i);
}
}
