1 /* 2 * Copyright (c) 2008-2014 Travis Geiselbrecht 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files 6 * (the "Software"), to deal in the Software without restriction, 7 * including without limitation the rights to use, copy, modify, merge, 8 * publish, distribute, sublicense, and/or sell copies of the Software, 9 * and to permit persons to whom the Software is furnished to do so, 10 * subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 #ifndef __ARCH_H 24 #define __ARCH_H 25 26 #include <compiler.h> 27 #include <sys/types.h> 28 29 __BEGIN_CDECLS 30 31 #define ARCH_ENTER_USPACE_FLAG_32BIT (1<<0) 32 33 void arch_early_init(void); 34 void arch_init(void); 35 void arch_quiesce(void); 36 void arch_chain_load(void *entry, ulong arg0, ulong arg1, ulong arg2, ulong arg3) __NO_RETURN; 37 void arch_enter_uspace(vaddr_t entry_point, vaddr_t user_stack_top, vaddr_t shadow_stack_base, uint32_t flags, ulong arg0) __NO_RETURN; 38 void arch_set_user_tls(vaddr_t tls_ptr); 39 40 __END_CDECLS 41 42 /* arch specific bits */ 43 #include <arch/defines.h> 44 45 /* Empty function decorator if not defined */ 46 #ifndef __ARCH_NO_PAC 47 #define __ARCH_NO_PAC 48 #endif 49 50 #endif 51