1*c2e0c6b5SAndroid Build Coastguard Worker /* 2*c2e0c6b5SAndroid Build Coastguard Worker * The PCI Library -- Access to i386 I/O ports on Solaris 3*c2e0c6b5SAndroid Build Coastguard Worker * 4*c2e0c6b5SAndroid Build Coastguard Worker * Copyright (c) 2003 Bill Moore <[email protected]> 5*c2e0c6b5SAndroid Build Coastguard Worker * Copyright (c) 2003--2006 Martin Mares <[email protected]> 6*c2e0c6b5SAndroid Build Coastguard Worker * 7*c2e0c6b5SAndroid Build Coastguard Worker * Can be freely distributed and used under the terms of the GNU GPL v2+ 8*c2e0c6b5SAndroid Build Coastguard Worker * 9*c2e0c6b5SAndroid Build Coastguard Worker * SPDX-License-Identifier: GPL-2.0-or-later 10*c2e0c6b5SAndroid Build Coastguard Worker */ 11*c2e0c6b5SAndroid Build Coastguard Worker 12*c2e0c6b5SAndroid Build Coastguard Worker #include <sys/sysi86.h> 13*c2e0c6b5SAndroid Build Coastguard Worker #include <sys/psw.h> 14*c2e0c6b5SAndroid Build Coastguard Worker 15*c2e0c6b5SAndroid Build Coastguard Worker #include "i386-io-access.h" 16*c2e0c6b5SAndroid Build Coastguard Worker 17*c2e0c6b5SAndroid Build Coastguard Worker static int intel_setup_io(struct pci_access * a UNUSED)18*c2e0c6b5SAndroid Build Coastguard Workerintel_setup_io(struct pci_access *a UNUSED) 19*c2e0c6b5SAndroid Build Coastguard Worker { 20*c2e0c6b5SAndroid Build Coastguard Worker return (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) ? 0 : 1; 21*c2e0c6b5SAndroid Build Coastguard Worker } 22*c2e0c6b5SAndroid Build Coastguard Worker 23*c2e0c6b5SAndroid Build Coastguard Worker static inline void intel_cleanup_io(struct pci_access * a UNUSED)24*c2e0c6b5SAndroid Build Coastguard Workerintel_cleanup_io(struct pci_access *a UNUSED) 25*c2e0c6b5SAndroid Build Coastguard Worker { 26*c2e0c6b5SAndroid Build Coastguard Worker sysi86(SI86V86, V86SC_IOPL, 0); 27*c2e0c6b5SAndroid Build Coastguard Worker } 28*c2e0c6b5SAndroid Build Coastguard Worker intel_io_lock(void)29*c2e0c6b5SAndroid Build Coastguard Workerstatic inline void intel_io_lock(void) 30*c2e0c6b5SAndroid Build Coastguard Worker { 31*c2e0c6b5SAndroid Build Coastguard Worker } 32*c2e0c6b5SAndroid Build Coastguard Worker intel_io_unlock(void)33*c2e0c6b5SAndroid Build Coastguard Workerstatic inline void intel_io_unlock(void) 34*c2e0c6b5SAndroid Build Coastguard Worker { 35*c2e0c6b5SAndroid Build Coastguard Worker } 36