1/* 2 * Hexagon VM instruction support 3 * 4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 and 8 * only version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA. 19 */ 20 21#include <linux/linkage.h> 22#include <asm/hexagon_vm.h> 23 24/* 25 * C wrappers for virtual machine "instructions". These 26 * could be, and perhaps some day will be, handled as in-line 27 * macros, but for tracing/debugging it's handy to have 28 * a single point of invocation for each of them. 29 * Conveniently, they take parameters and return values 30 * consistent with the ABI calling convention. 31 */ 32 33ENTRY(__vmrte) 34 trap1(#HVM_TRAP1_VMRTE); 35 jumpr R31; 36 37ENTRY(__vmsetvec) 38 trap1(#HVM_TRAP1_VMSETVEC); 39 jumpr R31; 40 41ENTRY(__vmsetie) 42 trap1(#HVM_TRAP1_VMSETIE); 43 jumpr R31; 44 45ENTRY(__vmgetie) 46 trap1(#HVM_TRAP1_VMGETIE); 47 jumpr R31; 48 49ENTRY(__vmintop) 50 trap1(#HVM_TRAP1_VMINTOP); 51 jumpr R31; 52 53ENTRY(__vmclrmap) 54 trap1(#HVM_TRAP1_VMCLRMAP); 55 jumpr R31; 56 57ENTRY(__vmnewmap) 58 r1 = #VM_NEWMAP_TYPE_PGTABLES; 59 trap1(#HVM_TRAP1_VMNEWMAP); 60 jumpr R31; 61 62ENTRY(__vmcache) 63 trap1(#HVM_TRAP1_VMCACHE); 64 jumpr R31; 65 66ENTRY(__vmgettime) 67 trap1(#HVM_TRAP1_VMGETTIME); 68 jumpr R31; 69 70ENTRY(__vmsettime) 71 trap1(#HVM_TRAP1_VMSETTIME); 72 jumpr R31; 73 74ENTRY(__vmwait) 75 trap1(#HVM_TRAP1_VMWAIT); 76 jumpr R31; 77 78ENTRY(__vmyield) 79 trap1(#HVM_TRAP1_VMYIELD); 80 jumpr R31; 81 82ENTRY(__vmstart) 83 trap1(#HVM_TRAP1_VMSTART); 84 jumpr R31; 85 86ENTRY(__vmstop) 87 trap1(#HVM_TRAP1_VMSTOP); 88 jumpr R31; 89 90ENTRY(__vmvpid) 91 trap1(#HVM_TRAP1_VMVPID); 92 jumpr R31; 93 94/* Probably not actually going to use these; see vm_entry.S */ 95 96ENTRY(__vmsetregs) 97 trap1(#HVM_TRAP1_VMSETREGS); 98 jumpr R31; 99 100ENTRY(__vmgetregs) 101 trap1(#HVM_TRAP1_VMGETREGS); 102 jumpr R31; 103