1*e49ee290SRichard Kuo/* 2*e49ee290SRichard Kuo * Hexagon VM instruction support 3*e49ee290SRichard Kuo * 4*e49ee290SRichard Kuo * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. 5*e49ee290SRichard Kuo * 6*e49ee290SRichard Kuo * This program is free software; you can redistribute it and/or modify 7*e49ee290SRichard Kuo * it under the terms of the GNU General Public License version 2 and 8*e49ee290SRichard Kuo * only version 2 as published by the Free Software Foundation. 9*e49ee290SRichard Kuo * 10*e49ee290SRichard Kuo * This program is distributed in the hope that it will be useful, 11*e49ee290SRichard Kuo * but WITHOUT ANY WARRANTY; without even the implied warranty of 12*e49ee290SRichard Kuo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*e49ee290SRichard Kuo * GNU General Public License for more details. 14*e49ee290SRichard Kuo * 15*e49ee290SRichard Kuo * You should have received a copy of the GNU General Public License 16*e49ee290SRichard Kuo * along with this program; if not, write to the Free Software 17*e49ee290SRichard Kuo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18*e49ee290SRichard Kuo * 02110-1301, USA. 19*e49ee290SRichard Kuo */ 20*e49ee290SRichard Kuo 21*e49ee290SRichard Kuo#include <linux/linkage.h> 22*e49ee290SRichard Kuo#include <asm/hexagon_vm.h> 23*e49ee290SRichard Kuo 24*e49ee290SRichard Kuo/* 25*e49ee290SRichard Kuo * C wrappers for virtual machine "instructions". These 26*e49ee290SRichard Kuo * could be, and perhaps some day will be, handled as in-line 27*e49ee290SRichard Kuo * macros, but for tracing/debugging it's handy to have 28*e49ee290SRichard Kuo * a single point of invocation for each of them. 29*e49ee290SRichard Kuo * Conveniently, they take paramters and return values 30*e49ee290SRichard Kuo * consistent with the ABI calling convention. 31*e49ee290SRichard Kuo */ 32*e49ee290SRichard Kuo 33*e49ee290SRichard KuoENTRY(__vmrte) 34*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMRTE); 35*e49ee290SRichard Kuo jumpr R31; 36*e49ee290SRichard Kuo 37*e49ee290SRichard KuoENTRY(__vmsetvec) 38*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSETVEC); 39*e49ee290SRichard Kuo jumpr R31; 40*e49ee290SRichard Kuo 41*e49ee290SRichard KuoENTRY(__vmsetie) 42*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSETIE); 43*e49ee290SRichard Kuo jumpr R31; 44*e49ee290SRichard Kuo 45*e49ee290SRichard KuoENTRY(__vmgetie) 46*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMGETIE); 47*e49ee290SRichard Kuo jumpr R31; 48*e49ee290SRichard Kuo 49*e49ee290SRichard KuoENTRY(__vmintop) 50*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMINTOP); 51*e49ee290SRichard Kuo jumpr R31; 52*e49ee290SRichard Kuo 53*e49ee290SRichard KuoENTRY(__vmclrmap) 54*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMCLRMAP); 55*e49ee290SRichard Kuo jumpr R31; 56*e49ee290SRichard Kuo 57*e49ee290SRichard KuoENTRY(__vmnewmap) 58*e49ee290SRichard Kuo r1 = #VM_NEWMAP_TYPE_PGTABLES; 59*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMNEWMAP); 60*e49ee290SRichard Kuo jumpr R31; 61*e49ee290SRichard Kuo 62*e49ee290SRichard KuoENTRY(__vmcache) 63*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMCACHE); 64*e49ee290SRichard Kuo jumpr R31; 65*e49ee290SRichard Kuo 66*e49ee290SRichard KuoENTRY(__vmgettime) 67*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMGETTIME); 68*e49ee290SRichard Kuo jumpr R31; 69*e49ee290SRichard Kuo 70*e49ee290SRichard KuoENTRY(__vmsettime) 71*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSETTIME); 72*e49ee290SRichard Kuo jumpr R31; 73*e49ee290SRichard Kuo 74*e49ee290SRichard KuoENTRY(__vmwait) 75*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMWAIT); 76*e49ee290SRichard Kuo jumpr R31; 77*e49ee290SRichard Kuo 78*e49ee290SRichard KuoENTRY(__vmyield) 79*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMYIELD); 80*e49ee290SRichard Kuo jumpr R31; 81*e49ee290SRichard Kuo 82*e49ee290SRichard KuoENTRY(__vmstart) 83*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSTART); 84*e49ee290SRichard Kuo jumpr R31; 85*e49ee290SRichard Kuo 86*e49ee290SRichard KuoENTRY(__vmstop) 87*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSTOP); 88*e49ee290SRichard Kuo jumpr R31; 89*e49ee290SRichard Kuo 90*e49ee290SRichard KuoENTRY(__vmvpid) 91*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMVPID); 92*e49ee290SRichard Kuo jumpr R31; 93*e49ee290SRichard Kuo 94*e49ee290SRichard Kuo/* Probably not actually going to use these; see vm_entry.S */ 95*e49ee290SRichard Kuo 96*e49ee290SRichard KuoENTRY(__vmsetregs) 97*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMSETREGS); 98*e49ee290SRichard Kuo jumpr R31; 99*e49ee290SRichard Kuo 100*e49ee290SRichard KuoENTRY(__vmgetregs) 101*e49ee290SRichard Kuo trap1(#HVM_TRAP1_VMGETREGS); 102*e49ee290SRichard Kuo jumpr R31; 103