/* pcb.h,v 1.14.22.2 2007/11/06 23:15:05 matt Exp */ /* * Copyright (c) 2001 Matt Thomas . * Copyright (c) 1994 Mark Brinicombe. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the RiscBSD team. * 4. The name "RiscBSD" nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _ARM_PCB_H_ #define _ARM_PCB_H_ #include #include #include #include struct pcb_arm32 { /* * WARNING! * cpuswitchto.S relies on pcb32_r8 being quad-aligned in struct pcb * (due to the use of "strd" when compiled for XSCALE) */ u_int pcb32_r8 __aligned(8); /* used */ u_int pcb32_r9; /* used */ u_int pcb32_r10; /* used */ u_int pcb32_r11; /* used */ u_int pcb32_r12; /* used */ u_int pcb32_sp; /* used */ u_int pcb32_lr; u_int pcb32_pc; /* * ARMv6 has two user thread/process id registers which can hold * any 32bit quanttiies. */ u_int pcb32_user_pid_rw; /* p15, 0, Rd, c13, c0, 2 */ u_int pcb32_user_pid_ro; /* p15, 0, Rd, c13, c0, 3 */ }; #define pcb_pagedir pcb_un.un_32.pcb32_pagedir #define pcb_pl1vec pcb_un.un_32.pcb32_pl1vec #define pcb_l1vec pcb_un.un_32.pcb32_l1vec #define pcb_dacr pcb_un.un_32.pcb32_dacr #define pcb_cstate pcb_un.un_32.pcb32_cstate #define pcb_user_pid_rw pcb_un.un_32.pcb32_user_pid_rw #ifdef __PROG32 #define pcb_sp pcb_un.un_32.pcb32_sp #endif struct pcb_arm26 { struct switchframe *pcb26_sf; }; #define pcb_sf pcb_un.un_26.pcb26_sf #ifdef __PROG26 #define pcb_sp pcb_sf.sf_r13 #endif /* * WARNING! * See warning for struct pcb_arm32, above, before changing struct pcb! */ struct pcb { union { struct pcb_arm32 un_32; struct pcb_arm26 un_26; } pcb_un; void * pcb_onfault; /* On fault handler */ struct fpe_sp_state pcb_fpstate; /* FPA Floating Point state */ struct vfpreg pcb_vfp; /* VFP registers */ }; #define pcb_ff pcb_fpstate /* for arm26 */ /* * No additional data for core dumps. */ struct md_coredump { int md_empty; }; #endif /* _ARM_PCB_H_ */