diff options
Diffstat (limited to 'sys/arch/hppa64/include/frame.h')
| -rw-r--r-- | sys/arch/hppa64/include/frame.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sys/arch/hppa64/include/frame.h b/sys/arch/hppa64/include/frame.h new file mode 100644 index 00000000000..3be63ffa0a5 --- /dev/null +++ b/sys/arch/hppa64/include/frame.h @@ -0,0 +1,113 @@ +/* $OpenBSD: frame.h,v 1.1 2005/04/01 10:40:48 mickey Exp $ */ + +/* + * Copyright (c) 2005 Michael Shalayeff + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _MACHINE_FRAME_H_ +#define _MACHINE_FRAME_H_ + +/* + * Call frame definitions + */ +#define HPPA_FRAME_SIZE (128) +#define HPPA_FRAME_PSP (-8) +#define HPPA_FRAME_RP (-16) + +/* + * Macros to decode processor status word. + */ +#define HPPA_PC_PRIV_MASK 3 +#define HPPA_PC_PRIV_KERN 0 +#define HPPA_PC_PRIV_USER 3 +#define USERMODE(pc) ((((register_t)pc) & HPPA_PC_PRIV_MASK) != HPPA_PC_PRIV_KERN) +#define KERNMODE(pc) (((register_t)pc) & ~HPPA_PC_PRIV_MASK) + +/* + * + */ +#define HPPA_SID_MAX 0x7ffffe00 +#define HPPA_SID_KERNEL 0 +#define HPPA_PID_KERNEL 2 + +#ifndef _LOCORE +/* + * the trapframe is divided into two parts: + * one is saved while we are in the physical mode (beginning of the trap), + * and should be kept as small as possible, since all the interrupts will + * be lost during this phase, also it must be 64-bytes aligned, per + * pa-risc stack conventions, and its dependencies in the code (; + * the other part is filled out when we are already in the virtual mode, + * are able to catch interrupts (they are kept pending) and perform + * other trap activities (like tlb misses). + */ +struct trapframe { + unsigned long tf_flags; + unsigned long tf_r1; + unsigned long tf_rp; + unsigned long tf_r3; + unsigned long tf_r4; + unsigned long tf_r5; + unsigned long tf_r6; + unsigned long tf_r7; + unsigned long tf_r8; + unsigned long tf_r9; + unsigned long tf_r10; + unsigned long tf_r11; + unsigned long tf_r12; + unsigned long tf_r13; + unsigned long tf_r14; + unsigned long tf_r15; + unsigned long tf_r16; + unsigned long tf_r17; + unsigned long tf_r18; + unsigned long tf_args[8]; + unsigned long tf_dp; /* r27 */ + unsigned long tf_ret0; + unsigned long tf_ret1; + unsigned long tf_sp; + unsigned long tf_r31; + unsigned long tf_sr0; + unsigned long tf_sr1; + unsigned long tf_sr2; + unsigned long tf_sr3; + unsigned long tf_sr4; + unsigned long tf_sr5; + unsigned long tf_sr6; + unsigned long tf_sr7; + unsigned long tf_rctr; + unsigned long tf_ccr; /* cr10 */ + unsigned long tf_iioq[2]; + unsigned long tf_iisq[2]; + unsigned long tf_pidr1; + unsigned long tf_pidr2; + unsigned long tf_eiem; + unsigned long tf_eirr; + unsigned long tf_ior; + unsigned long tf_isr; + unsigned long tf_iir; + unsigned long tf_ipsw; + unsigned long tf_ci; /* cr24 */ + unsigned long tf_vtop; /* cr25 */ + unsigned long tf_cr30; /* pa(u) */ + unsigned long tf_cr27; /* user curthread */ + unsigned long tf_sar; + + unsigned long tf_pad[5]; +}; +#endif /* !_LOCORE */ + +#endif /* !_MACHINE_FRAME_H_ */ |