| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Hexagon VM instruction support |
| 4 | * |
| 5 | * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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; |