2 * PowerPC emulation definitions for qemu.
4 * Copyright (c) 2003-2007 Jocelyn Mayer
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.
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.
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
20 #if !defined (__PPC_H__)
25 #include "dyngen-exec.h"
30 register struct CPUPPCState *env asm(AREG0);
31 #if TARGET_LONG_BITS > HOST_LONG_BITS
32 /* no registers can be used */
37 register unsigned long T0 asm(AREG1);
38 register unsigned long T1 asm(AREG2);
39 register unsigned long T2 asm(AREG3);
41 /* We may, sometime, need 64 bits registers on 32 bits target */
42 #if defined(TARGET_PPC64) || defined(TARGET_PPCSPE) || (HOST_LONG_BITS == 64)
47 /* no registers can be used */
48 #define T0_64 (env->t0)
49 #define T1_64 (env->t1)
50 #define T2_64 (env->t2)
52 /* Provision for Altivec */
53 #define T0_avr (env->t0_avr)
54 #define T1_avr (env->t1_avr)
55 #define T2_avr (env->t2_avr)
57 /* XXX: to clean: remove this mess */
58 #define PARAM(n) ((uint32_t)PARAM##n)
59 #define SPARAM(n) ((int32_t)PARAM##n)
61 #define FT0 (env->ft0)
62 #define FT1 (env->ft1)
63 #define FT2 (env->ft2)
65 #if defined (DEBUG_OP)
66 # define RETURN() __asm__ __volatile__("nop" : : : "memory");
68 # define RETURN() __asm__ __volatile__("" : : : "memory");
71 static inline target_ulong rotl8 (target_ulong i, int n)
73 return (((uint8_t)i << n) | ((uint8_t)i >> (8 - n)));
76 static inline target_ulong rotl16 (target_ulong i, int n)
78 return (((uint16_t)i << n) | ((uint16_t)i >> (16 - n)));
81 static inline target_ulong rotl32 (target_ulong i, int n)
83 return (((uint32_t)i << n) | ((uint32_t)i >> (32 - n)));
86 #if defined(TARGET_PPC64)
87 static inline target_ulong rotl64 (target_ulong i, int n)
89 return (((uint64_t)i << n) | ((uint64_t)i >> (64 - n)));
93 #if !defined(CONFIG_USER_ONLY)
94 #include "softmmu_exec.h"
95 #endif /* !defined(CONFIG_USER_ONLY) */
97 void do_raise_exception_err (uint32_t exception, int error_code);
98 void do_raise_exception (uint32_t exception);
100 int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong vaddr,
101 int rw, int access_type, int check_BATs);
103 void ppc6xx_tlb_invalidate_all (CPUState *env);
104 void ppc6xx_tlb_invalidate_virt (CPUState *env, target_ulong eaddr,
106 void ppc6xx_tlb_store (CPUState *env, target_ulong EPN, int way, int is_code,
107 target_ulong pte0, target_ulong pte1);
109 static inline void env_to_regs(void)
113 static inline void regs_to_env(void)
117 int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
118 int is_user, int is_softmmu);
120 #endif /* !defined (__PPC_H__) */