Hi Julien,
On 06/22/2017 01:16 PM, Julien Grall wrote:
> Hi Sergej,
>
> On 20/06/17 21:33, Sergej Proskurin wrote:
>> +int guest_walk_tables(const struct vcpu *v, vaddr_t gva,
>> + paddr_t *ipa, unsigned int *perms)
>> +{
>> +uint32_t sctlr = READ_SYSREG(SCTLR_EL1);
>> +
Hi Sergej,
On 20/06/17 21:33, Sergej Proskurin wrote:
+int guest_walk_tables(const struct vcpu *v, vaddr_t gva,
+ paddr_t *ipa, unsigned int *perms)
+{
+uint32_t sctlr = READ_SYSREG(SCTLR_EL1);
+register_t tcr = READ_SYSREG(TCR_EL1);
+unsigned int _perms = GV2M_R
The function p2m_mem_access_check_and_get_page in mem_access.c
translates a gva to an ipa by means of the hardware functionality of the
ARM architecture. This is implemented in the function gva_to_ipa. If
mem_access is active, hardware-based gva to ipa translation might fail,
as gva_to_ipa uses the