1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Hexagon VM instruction support |
4 | * |
5 | * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. |
6 | */ |
7 | |
8 | #include <linux/linkage.h> |
9 | #include <asm/hexagon_vm.h> |
10 | |
11 | /* |
12 | * C wrappers for virtual machine "instructions". These |
13 | * could be, and perhaps some day will be, handled as in-line |
14 | * macros, but for tracing/debugging it's handy to have |
15 | * a single point of invocation for each of them. |
16 | * Conveniently, they take parameters and return values |
17 | * consistent with the ABI calling convention. |
18 | */ |
19 | |
20 | ENTRY(__vmrte) |
21 | trap1(#HVM_TRAP1_VMRTE); |
22 | jumpr R31; |
23 | |
24 | ENTRY(__vmsetvec) |
25 | trap1(#HVM_TRAP1_VMSETVEC); |
26 | jumpr R31; |
27 | |
28 | ENTRY(__vmsetie) |
29 | trap1(#HVM_TRAP1_VMSETIE); |
30 | jumpr R31; |
31 | |
32 | ENTRY(__vmgetie) |
33 | trap1(#HVM_TRAP1_VMGETIE); |
34 | jumpr R31; |
35 | |
36 | ENTRY(__vmintop) |
37 | trap1(#HVM_TRAP1_VMINTOP); |
38 | jumpr R31; |
39 | |
40 | ENTRY(__vmclrmap) |
41 | trap1(#HVM_TRAP1_VMCLRMAP); |
42 | jumpr R31; |
43 | |
44 | ENTRY(__vmnewmap) |
45 | r1 = #VM_NEWMAP_TYPE_PGTABLES; |
46 | trap1(#HVM_TRAP1_VMNEWMAP); |
47 | jumpr R31; |
48 | |
49 | ENTRY(__vmcache) |
50 | trap1(#HVM_TRAP1_VMCACHE); |
51 | jumpr R31; |
52 | |
53 | ENTRY(__vmgettime) |
54 | trap1(#HVM_TRAP1_VMGETTIME); |
55 | jumpr R31; |
56 | |
57 | ENTRY(__vmsettime) |
58 | trap1(#HVM_TRAP1_VMSETTIME); |
59 | jumpr R31; |
60 | |
61 | ENTRY(__vmwait) |
62 | trap1(#HVM_TRAP1_VMWAIT); |
63 | jumpr R31; |
64 | |
65 | ENTRY(__vmyield) |
66 | trap1(#HVM_TRAP1_VMYIELD); |
67 | jumpr R31; |
68 | |
69 | ENTRY(__vmstart) |
70 | trap1(#HVM_TRAP1_VMSTART); |
71 | jumpr R31; |
72 | |
73 | ENTRY(__vmstop) |
74 | trap1(#HVM_TRAP1_VMSTOP); |
75 | jumpr R31; |
76 | |
77 | ENTRY(__vmvpid) |
78 | trap1(#HVM_TRAP1_VMVPID); |
79 | jumpr R31; |
80 | |
81 | /* Probably not actually going to use these; see vm_entry.S */ |
82 | |
83 | ENTRY(__vmsetregs) |
84 | trap1(#HVM_TRAP1_VMSETREGS); |
85 | jumpr R31; |
86 | |
87 | ENTRY(__vmgetregs) |
88 | trap1(#HVM_TRAP1_VMGETREGS); |
89 | jumpr R31; |
90 | |