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05bf20d)
There's no access to TTBR in EL0. Circumvent by moving the PE to EL1
before reading, and switch back to original mode afterwards.
Change-Id: I22891b958d3d7e6fad1cb27183c192d975d63d89
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
armv8->page_size = (ttbcr >> 14) & 3;
break;
case SYSTEM_CUREL_EL0:
armv8->page_size = (ttbcr >> 14) & 3;
break;
case SYSTEM_CUREL_EL0:
+ armv8_dpm_modeswitch(dpm, ARMV8_64_EL1H);
+ /* fall through */
case SYSTEM_CUREL_EL1:
retval = dpm->instr_read_data_r0_64(dpm,
ARMV8_MRS(SYSTEM_TCR_EL1, 0),
case SYSTEM_CUREL_EL1:
retval = dpm->instr_read_data_r0_64(dpm,
ARMV8_MRS(SYSTEM_TCR_EL1, 0),
LOG_INFO("TTBR0 access above %" PRIx64, (uint64_t)(armv8->armv8_mmu.ttbr0_mask));
done:
LOG_INFO("TTBR0 access above %" PRIx64, (uint64_t)(armv8->armv8_mmu.ttbr0_mask));
done:
+ armv8_dpm_modeswitch(dpm, ARM_MODE_ANY);
dpm->finish(dpm);
return retval;
}
dpm->finish(dpm);
return retval;
}
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