blob: 9f54833af400972670ceddec0a7904d190a005e5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2020 - Google LLC
* Author: David Brazdil <dbrazdil@google.com>
*/
#include <asm/kvm_asm.h>
#include <asm/kvm_hyp.h>
#include <asm/kvm_mmu.h>
/*
* nVHE copy of data structures tracking available CPU cores.
* Only entries for CPUs that were online at KVM init are populated.
* Other CPUs should not be allowed to boot because their features were
* not checked against the finalized system capabilities.
*/
u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
u64 cpu_logical_map(unsigned int cpu)
{
BUG_ON(cpu >= ARRAY_SIZE(hyp_cpu_logical_map));
return hyp_cpu_logical_map[cpu];
}
unsigned long __hyp_per_cpu_offset(unsigned int cpu)
{
unsigned long *cpu_base_array;
unsigned long this_cpu_base;
unsigned long elf_base;
BUG_ON(cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base));
cpu_base_array = (unsigned long *)&kvm_arm_hyp_percpu_base;
this_cpu_base = kern_hyp_va(cpu_base_array[cpu]);
elf_base = (unsigned long)&__per_cpu_start;
return this_cpu_base - elf_base;
}
|
