@@ -36,6 +36,8 @@ typedef uint64_t vm_vaddr_t; /* Virtual Machine (Guest) virtual address */
enum vm_guest_mode {
VM_MODE_P52V48_4K,
VM_MODE_P52V48_64K,
+ VM_MODE_P48V48_4K,
+ VM_MODE_P48V48_64K,
VM_MODE_P40V48_4K,
VM_MODE_P40V48_64K,
NUM_VM_MODES,
@@ -268,13 +268,20 @@ void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot)
switch (vm->mode) {
case VM_MODE_P52V48_4K:
- tcr_el1 |= 0ul << 14; /* TG0 = 4KB */
- tcr_el1 |= 6ul << 32; /* IPS = 52 bits */
- break;
+ TEST_ASSERT(false, "AArch64 does not support 4K sized pages "
+ "with 52-bit physical address ranges");
case VM_MODE_P52V48_64K:
tcr_el1 |= 1ul << 14; /* TG0 = 64KB */
tcr_el1 |= 6ul << 32; /* IPS = 52 bits */
break;
+ case VM_MODE_P48V48_4K:
+ tcr_el1 |= 0ul << 14; /* TG0 = 4KB */
+ tcr_el1 |= 5ul << 32; /* IPS = 48 bits */
+ break;
+ case VM_MODE_P48V48_64K:
+ tcr_el1 |= 1ul << 14; /* TG0 = 64KB */
+ tcr_el1 |= 5ul << 32; /* IPS = 48 bits */
+ break;
case VM_MODE_P40V48_4K:
tcr_el1 |= 0ul << 14; /* TG0 = 4KB */
tcr_el1 |= 2ul << 32; /* IPS = 40 bits */
@@ -305,7 +312,6 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent)
get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pstate), &pstate);
get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &pc);
- fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n",
- indent, "", pstate, pc);
-
+ fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n",
+ indent, "", pstate, pc);
}
@@ -99,9 +99,13 @@ static void vm_open(struct kvm_vm *vm, int perm)
const char * const vm_guest_mode_string[] = {
"PA-bits:52, VA-bits:48, 4K pages",
"PA-bits:52, VA-bits:48, 64K pages",
+ "PA-bits:48, VA-bits:48, 4K pages",
+ "PA-bits:48, VA-bits:48, 64K pages",
"PA-bits:40, VA-bits:48, 4K pages",
"PA-bits:40, VA-bits:48, 64K pages",
};
+_Static_assert(sizeof(vm_guest_mode_string)/sizeof(char *) == NUM_VM_MODES,
+ "Missing new mode strings?");
/*
* VM Create
@@ -137,16 +141,31 @@ struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
switch (vm->mode) {
case VM_MODE_P52V48_4K:
vm->pgtable_levels = 4;
+ vm->pa_bits = 52;
+ vm->va_bits = 48;
vm->page_size = 0x1000;
vm->page_shift = 12;
- vm->va_bits = 48;
break;
case VM_MODE_P52V48_64K:
vm->pgtable_levels = 3;
vm->pa_bits = 52;
+ vm->va_bits = 48;
vm->page_size = 0x10000;
vm->page_shift = 16;
+ break;
+ case VM_MODE_P48V48_4K:
+ vm->pgtable_levels = 4;
+ vm->pa_bits = 48;
vm->va_bits = 48;
+ vm->page_size = 0x1000;
+ vm->page_shift = 12;
+ break;
+ case VM_MODE_P48V48_64K:
+ vm->pgtable_levels = 3;
+ vm->pa_bits = 48;
+ vm->va_bits = 48;
+ vm->page_size = 0x10000;
+ vm->page_shift = 16;
break;
case VM_MODE_P40V48_4K:
vm->pgtable_levels = 4;
@@ -1422,7 +1441,7 @@ const char *exit_reason_str(unsigned int exit_reason)
*
* Within the VM specified by vm, locates a range of available physical
* pages at or above paddr_min. If found, the pages are marked as in use
- * and thier base address is returned. A TEST_ASSERT failure occurs if
+ * and their base address is returned. A TEST_ASSERT failure occurs if
* not enough pages are available at or above paddr_min.
*/
vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num,
Signed-off-by: Andrew Jones <drjones@redhat.com> --- .../testing/selftests/kvm/include/kvm_util.h | 2 ++ .../selftests/kvm/lib/aarch64/processor.c | 18 ++++++++++----- tools/testing/selftests/kvm/lib/kvm_util.c | 23 +++++++++++++++++-- 3 files changed, 35 insertions(+), 8 deletions(-)