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4c9649a9 JM |
1 | /* |
2 | * Alpha emulation cpu run-time definitions for qemu. | |
3 | * | |
4 | * Copyright (c) 2007 Jocelyn Mayer | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #if !defined (__ALPHA_EXEC_H__) | |
22 | #define __ALPHA_EXEC_H__ | |
23 | ||
24 | #include "config.h" | |
25 | ||
26 | #include "dyngen-exec.h" | |
27 | ||
28 | #define TARGET_LONG_BITS 64 | |
29 | ||
30 | register struct CPUAlphaState *env asm(AREG0); | |
31 | ||
32 | #if TARGET_LONG_BITS > HOST_LONG_BITS | |
33 | ||
34 | /* no registers can be used */ | |
35 | #define T0 (env->t0) | |
36 | #define T1 (env->t1) | |
37 | #define T2 (env->t2) | |
38 | ||
39 | #else | |
40 | ||
41 | register uint64_t T0 asm(AREG1); | |
42 | register uint64_t T1 asm(AREG2); | |
43 | register uint64_t T2 asm(AREG3); | |
44 | ||
45 | #endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ | |
46 | ||
47 | #define PARAM(n) ((uint64_t)PARAM##n) | |
48 | #define SPARAM(n) ((int32_t)PARAM##n) | |
49 | #define FT0 (env->ft0) | |
50 | #define FT1 (env->ft1) | |
51 | #define FT2 (env->ft2) | |
52 | #define FP_STATUS (env->fp_status) | |
53 | ||
54 | #if defined (DEBUG_OP) | |
55 | #define RETURN() __asm__ __volatile__("nop" : : : "memory"); | |
56 | #else | |
57 | #define RETURN() __asm__ __volatile__("" : : : "memory"); | |
58 | #endif | |
59 | ||
60 | #include "cpu.h" | |
61 | #include "exec-all.h" | |
62 | ||
63 | #if !defined(CONFIG_USER_ONLY) | |
64 | #include "softmmu_exec.h" | |
65 | #endif /* !defined(CONFIG_USER_ONLY) */ | |
66 | ||
67 | static inline void env_to_regs(void) | |
68 | { | |
69 | } | |
70 | ||
71 | static inline void regs_to_env(void) | |
72 | { | |
73 | } | |
74 | ||
75 | int cpu_alpha_handle_mmu_fault (CPUState *env, uint64_t address, int rw, | |
76 | int is_user, int is_softmmu); | |
77 | int cpu_alpha_mfpr (CPUState *env, int iprn, uint64_t *valp); | |
78 | int cpu_alpha_mtpr (CPUState *env, int iprn, uint64_t val, uint64_t *oldvalp); | |
79 | ||
80 | void do_interrupt (CPUState *env); | |
81 | ||
bfed01fc TS |
82 | static inline int cpu_halted(CPUState *env) { |
83 | if (!env->halted) | |
84 | return 0; | |
85 | if (env->interrupt_request & CPU_INTERRUPT_HARD) { | |
86 | env->halted = 0; | |
87 | return 0; | |
88 | } | |
89 | return EXCP_HALTED; | |
90 | } | |
91 | ||
4c9649a9 | 92 | #endif /* !defined (__ALPHA_EXEC_H__) */ |