target-ppc/exec.h

   1 /*
   2  *  PowerPC emulation definitions for qemu.
   3  *
   4  *  Copyright (c) 2003-2007 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 #if !defined (__PPC_H__)
  21 #define __PPC_H__
  22
  23 #include "config.h"
  24
  25 #include "dyngen-exec.h"
  26
  27 #include "cpu.h"
  28 #include "exec-all.h"
  29
  30 register struct CPUPPCState *env asm(AREG0);
  31 #if TARGET_LONG_BITS > HOST_LONG_BITS
  32 /* no registers can be used */
  33 #define T0 (env->t0)
  34 #define T1 (env->t1)
  35 #define T2 (env->t2)
  36 #else
  37 /* This may be more efficient if HOST_LONG_BITS > TARGET_LONG_BITS
  38  * To be set to one when we'll be sure it does not cause bugs....
  39  */
  40 #if 0
  41 register unsigned long T0 asm(AREG1);
  42 register unsigned long T1 asm(AREG2);
  43 register unsigned long T2 asm(AREG3);
  44 #else
  45 register target_ulong T0 asm(AREG1);
  46 register target_ulong T1 asm(AREG2);
  47 register target_ulong T2 asm(AREG3);
  48 #endif
  49 #endif
  50
  51 /* XXX: to clean: remove this mess */
  52 #define PARAM(n) ((uint32_t)PARAM##n)
  53 #define SPARAM(n) ((int32_t)PARAM##n)
  54
  55 #define FT0 (env->ft0)
  56 #define FT1 (env->ft1)
  57 #define FT2 (env->ft2)
  58
  59 #if defined (DEBUG_OP)
  60 # define RETURN() __asm__ __volatile__("nop" : : : "memory");
  61 #else
  62 # define RETURN() __asm__ __volatile__("" : : : "memory");
  63 #endif
  64
  65 static inline target_ulong rotl8 (target_ulong i, int n)
  66 {
  67     return (((uint8_t)i << n) | ((uint8_t)i >> (8 - n)));
  68 }
  69
  70 static inline target_ulong rotl16 (target_ulong i, int n)
  71 {
  72     return (((uint16_t)i << n) | ((uint16_t)i >> (16 - n)));
  73 }
  74
  75 static inline target_ulong rotl32 (target_ulong i, int n)
  76 {
  77     return (((uint32_t)i << n) | ((uint32_t)i >> (32 - n)));
  78 }
  79
  80 #if defined(TARGET_PPC64)
  81 static inline target_ulong rotl64 (target_ulong i, int n)
  82 {
  83     return (((uint64_t)i << n) | ((uint64_t)i >> (64 - n)));
  84 }
  85 #endif
  86
  87 #if !defined(CONFIG_USER_ONLY)
  88 #include "softmmu_exec.h"
  89 #endif /* !defined(CONFIG_USER_ONLY) */
  90
  91 void do_raise_exception_err (uint32_t exception, int error_code);
  92 void do_raise_exception (uint32_t exception);
  93
  94 int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong vaddr,
  95                           int rw, int access_type, int check_BATs);
  96
  97 void ppc6xx_tlb_invalidate_all (CPUState *env);
  98 void ppc6xx_tlb_invalidate_virt (CPUState *env, target_ulong eaddr,
  99                                  int is_code);
 100 void ppc6xx_tlb_store (CPUState *env, target_ulong EPN, int way, int is_code,
 101                        target_ulong pte0, target_ulong pte1);
 102
 103 static inline void env_to_regs(void)
 104 {
 105 }
 106
 107 static inline void regs_to_env(void)
 108 {
 109 }
 110
 111 int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
 112                               int is_user, int is_softmmu);
 113
 114 #endif /* !defined (__PPC_H__) */