summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/kvm/lib/guest_modes.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/kvm/lib/guest_modes.c')
-rw-r--r--tools/testing/selftests/kvm/lib/guest_modes.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/tools/testing/selftests/kvm/lib/guest_modes.c b/tools/testing/selftests/kvm/lib/guest_modes.c
index b04901e55138..ce3099630397 100644
--- a/tools/testing/selftests/kvm/lib/guest_modes.c
+++ b/tools/testing/selftests/kvm/lib/guest_modes.c
@@ -4,7 +4,7 @@
*/
#include "guest_modes.h"
-#ifdef __aarch64__
+#if defined(__aarch64__) || defined(__riscv)
#include "processor.h"
enum vm_guest_mode vm_mode_default;
#endif
@@ -13,9 +13,11 @@ struct guest_mode guest_modes[NUM_VM_MODES];
void guest_modes_append_default(void)
{
-#ifndef __aarch64__
+#if !defined(__aarch64__) && !defined(__riscv)
guest_mode_append(VM_MODE_DEFAULT, true);
-#else
+#endif
+
+#ifdef __aarch64__
{
unsigned int limit = kvm_check_cap(KVM_CAP_ARM_VM_IPA_SIZE);
uint32_t ipa4k, ipa16k, ipa64k;
@@ -74,11 +76,36 @@ void guest_modes_append_default(void)
#ifdef __riscv
{
unsigned int sz = kvm_check_cap(KVM_CAP_VM_GPA_BITS);
+ unsigned long satp_mode = riscv64_get_satp_mode() << SATP_MODE_SHIFT;
+ int i;
- if (sz >= 52)
- guest_mode_append(VM_MODE_P52V48_4K, true);
- if (sz >= 48)
- guest_mode_append(VM_MODE_P48V48_4K, true);
+ switch (sz) {
+ case 59:
+ guest_mode_append(VM_MODE_P56V57_4K, satp_mode >= SATP_MODE_57);
+ guest_mode_append(VM_MODE_P56V48_4K, satp_mode >= SATP_MODE_48);
+ guest_mode_append(VM_MODE_P56V39_4K, satp_mode >= SATP_MODE_39);
+ break;
+ case 50:
+ guest_mode_append(VM_MODE_P50V57_4K, satp_mode >= SATP_MODE_57);
+ guest_mode_append(VM_MODE_P50V48_4K, satp_mode >= SATP_MODE_48);
+ guest_mode_append(VM_MODE_P50V39_4K, satp_mode >= SATP_MODE_39);
+ break;
+ case 41:
+ guest_mode_append(VM_MODE_P41V57_4K, satp_mode >= SATP_MODE_57);
+ guest_mode_append(VM_MODE_P41V48_4K, satp_mode >= SATP_MODE_48);
+ guest_mode_append(VM_MODE_P41V39_4K, satp_mode >= SATP_MODE_39);
+ break;
+ default:
+ break;
+ }
+
+ /* set the first supported mode as default */
+ vm_mode_default = NUM_VM_MODES;
+ for (i = 0; vm_mode_default == NUM_VM_MODES && i < NUM_VM_MODES; i++) {
+ if (guest_modes[i].supported && guest_modes[i].enabled)
+ vm_mode_default = i;
+ }
+ TEST_ASSERT(vm_mode_default != NUM_VM_MODES, "No supported mode!");
}
#endif
}