root / target-ppc / exec.h @ 2d72c572
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1 | 79aceca5 | bellard | /*
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2 | 3fc6c082 | bellard | * PowerPC emulation definitions for qemu.
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3 | 5fafdf24 | ths | *
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4 | 76a66253 | j_mayer | * Copyright (c) 2003-2007 Jocelyn Mayer
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5 | 79aceca5 | bellard | *
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6 | 79aceca5 | bellard | * This library is free software; you can redistribute it and/or
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7 | 79aceca5 | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | 79aceca5 | bellard | * License as published by the Free Software Foundation; either
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9 | 79aceca5 | bellard | * version 2 of the License, or (at your option) any later version.
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10 | 79aceca5 | bellard | *
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11 | 79aceca5 | bellard | * This library is distributed in the hope that it will be useful,
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12 | 79aceca5 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 79aceca5 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 79aceca5 | bellard | * Lesser General Public License for more details.
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15 | 79aceca5 | bellard | *
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16 | 79aceca5 | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | 79aceca5 | bellard | * License along with this library; if not, write to the Free Software
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18 | fad6cb1a | aurel32 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
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19 | 79aceca5 | bellard | */
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20 | 79aceca5 | bellard | #if !defined (__PPC_H__)
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21 | 79aceca5 | bellard | #define __PPC_H__
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22 | 79aceca5 | bellard | |
23 | fdabc366 | bellard | #include "config.h" |
24 | fdabc366 | bellard | |
25 | 79aceca5 | bellard | #include "dyngen-exec.h" |
26 | 79aceca5 | bellard | |
27 | 76a66253 | j_mayer | #include "cpu.h" |
28 | 76a66253 | j_mayer | #include "exec-all.h" |
29 | fdabc366 | bellard | |
30 | 9326a95c | aurel32 | /* Precise emulation is needed to correctly emulate exception flags */
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31 | 196e3422 | aurel32 | #define USE_PRECISE_EMULATION 1 |
32 | 1cdb9c3d | aurel32 | |
33 | 79aceca5 | bellard | register struct CPUPPCState *env asm(AREG0); |
34 | 79aceca5 | bellard | |
35 | 9a64fbe4 | bellard | #if !defined(CONFIG_USER_ONLY)
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36 | a9049a07 | bellard | #include "softmmu_exec.h" |
37 | 9a64fbe4 | bellard | #endif /* !defined(CONFIG_USER_ONLY) */ |
38 | 79aceca5 | bellard | |
39 | b068d6a7 | j_mayer | static always_inline void env_to_regs (void) |
40 | 0d1a29f9 | bellard | { |
41 | 0d1a29f9 | bellard | } |
42 | 0d1a29f9 | bellard | |
43 | b068d6a7 | j_mayer | static always_inline void regs_to_env (void) |
44 | 0d1a29f9 | bellard | { |
45 | 0d1a29f9 | bellard | } |
46 | 0d1a29f9 | bellard | |
47 | 6a4955a8 | aliguori | static always_inline int cpu_has_work(CPUState *env) |
48 | 6a4955a8 | aliguori | { |
49 | 6a4955a8 | aliguori | return (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD));
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50 | 6a4955a8 | aliguori | } |
51 | 6a4955a8 | aliguori | |
52 | 6a4955a8 | aliguori | |
53 | b068d6a7 | j_mayer | static always_inline int cpu_halted (CPUState *env) |
54 | 36081602 | j_mayer | { |
55 | bfed01fc | ths | if (!env->halted)
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56 | bfed01fc | ths | return 0; |
57 | 6a4955a8 | aliguori | if (cpu_has_work(env)) {
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58 | bfed01fc | ths | env->halted = 0;
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59 | bfed01fc | ths | return 0; |
60 | bfed01fc | ths | } |
61 | bfed01fc | ths | return EXCP_HALTED;
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62 | bfed01fc | ths | } |
63 | bfed01fc | ths | |
64 | 79aceca5 | bellard | #endif /* !defined (__PPC_H__) */ |