1 /* This file is part of the program psim.
3 Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #ifndef _EMUL_GENERIC_H_
23 #define _EMUL_GENERIC_H_
33 #ifndef INLINE_EMUL_GENERIC
34 #define INLINE_EMUL_GENERIC
37 /* various PowerPC instructions for writing into memory */
39 emul_call_instruction = 0x1,
40 emul_loop_instruction = 0x48000000, /* branch to . */
41 emul_rfi_instruction = 0x4c000064,
42 emul_blr_instruction = 0x4e800020,
46 /* emulation specific data */
48 typedef struct _os_emul_data os_emul_data;
50 typedef os_emul_data *(os_emul_create_handler)
53 const char *emul_name);
54 typedef void (os_emul_init_handler)
55 (os_emul_data *emul_data,
57 typedef void (os_emul_system_call_handler)
60 os_emul_data *emul_data);
61 typedef int (os_emul_instruction_call_handler)
65 os_emul_data *emul_data);
69 os_emul_create_handler *create;
70 os_emul_init_handler *init;
71 os_emul_system_call_handler *system_call;
72 os_emul_instruction_call_handler *instruction_call;
77 /* One class of emulation - system call is pretty general, provide a
78 common template for implementing this */
80 typedef struct _emul_syscall emul_syscall;
81 typedef struct _emul_syscall_descriptor emul_syscall_descriptor;
83 typedef void (emul_syscall_handler)
84 (os_emul_data *emul_data,
90 struct _emul_syscall_descriptor {
91 emul_syscall_handler *handler;
95 struct _emul_syscall {
96 emul_syscall_descriptor *syscall_descriptor;
105 INLINE_EMUL_GENERIC void emul_do_system_call
106 (os_emul_data *emul_data,
107 emul_syscall *syscall,
114 INLINE_EMUL_GENERIC unsigned64 emul_read_gpr64
118 INLINE_EMUL_GENERIC void emul_write_gpr64
123 INLINE_EMUL_GENERIC void emul_write_status
128 INLINE_EMUL_GENERIC void emul_write2_status
134 INLINE_EMUL_GENERIC char *emul_read_string
141 INLINE_EMUL_GENERIC unsigned_word emul_read_word
146 INLINE_EMUL_GENERIC void emul_write_word
152 INLINE_EMUL_GENERIC void emul_read_buffer
159 INLINE_EMUL_GENERIC void emul_write_buffer
166 /* Simplify the construction of device trees */
168 INLINE_EMUL_GENERIC void emul_add_tree_options
173 int oea_interrupt_prefix);
175 INLINE_EMUL_GENERIC void emul_add_tree_hardware
178 #endif /* _EMUL_GENERIC_H_ */