8c93421144
using these to load long doubles, but they aren't implemented in hardware on (at least) UltraSPARC I and II machines. Emulate popc in the user trap handler as well. Re-arrange slightly to make support functions more accessible. Reviewed by: tmm
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2001 Jake Burkholder.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef ___SPARC_UTRAP_PRIVATE_H_
|
|
#define ___SPARC_UTRAP_PRIVATE_H_
|
|
|
|
#define UF_DONE(uf) do { \
|
|
uf->uf_pc = uf->uf_npc; \
|
|
uf->uf_npc = uf->uf_pc + 4; \
|
|
} while (0)
|
|
|
|
struct utrapframe {
|
|
u_long uf_global[8];
|
|
u_long uf_out[8];
|
|
u_long uf_pc;
|
|
u_long uf_npc;
|
|
u_long uf_sfar;
|
|
u_long uf_sfsr;
|
|
u_long uf_tar;
|
|
u_long uf_type;
|
|
u_long uf_state;
|
|
u_long uf_fsr;
|
|
};
|
|
|
|
extern char __sparc_utrap_fp_disabled[];
|
|
extern char __sparc_utrap_gen[];
|
|
|
|
int __emul_insn(struct utrapframe *uf);
|
|
u_long __emul_fetch_reg(struct utrapframe *uf, int reg);
|
|
void __emul_store_reg(struct utrapframe *uf, int reg, u_long val);
|
|
u_long __emul_f3_op2(struct utrapframe *uf, u_int insn);
|
|
u_long __emul_f3_memop_addr(struct utrapframe *uf, u_int insn);
|
|
|
|
void __sparc_utrap(struct utrapframe *);
|
|
|
|
void __utrap_write(const char *);
|
|
void __utrap_kill_self(int);
|
|
void __utrap_panic(const char *);
|
|
|
|
#endif
|