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 */
36 #define TDX "%016" PRIx64
38 register unsigned long T0 asm(AREG1);
39 register unsigned long T1 asm(AREG2);
40 register unsigned long T2 asm(AREG3);
43 /* We may, sometime, need 64 bits registers on 32 bits targets */
44 #if (HOST_LONG_BITS == 32)
45 /* no registers can be used */
46 #define T0_64 (env->t0)
47 #define T1_64 (env->t1)
48 #define T2_64 (env->t2)
54 /* Provision for Altivec */
55 #define AVR0 (env->avr0)
56 #define AVR1 (env->avr1)
57 #define AVR2 (env->avr2)
59 #define FT0 (env->ft0)
60 #define FT1 (env->ft1)
61 #define FT2 (env->ft2)
63 #if defined (DEBUG_OP)
64 # define RETURN() __asm__ __volatile__("nop" : : : "memory");
66 # define RETURN() __asm__ __volatile__("" : : : "memory");
69 static always_inline target_ulong rotl8 (target_ulong i, int n)
71 return (((uint8_t)i << n) | ((uint8_t)i >> (8 - n)));
74 static always_inline target_ulong rotl16 (target_ulong i, int n)
76 return (((uint16_t)i << n) | ((uint16_t)i >> (16 - n)));
79 static always_inline target_ulong rotl32 (target_ulong i, int n)
81 return (((uint32_t)i << n) | ((uint32_t)i >> (32 - n)));
84 #if defined(TARGET_PPC64)
85 static always_inline target_ulong rotl64 (target_ulong i, int n)
87 return (((uint64_t)i << n) | ((uint64_t)i >> (64 - n)));
91 #if !defined(CONFIG_USER_ONLY)
92 #include "softmmu_exec.h"
93 #endif /* !defined(CONFIG_USER_ONLY) */
95 void do_raise_exception_err (uint32_t exception, int error_code);
96 void do_raise_exception (uint32_t exception);
98 int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong vaddr,
99 int rw, int access_type);
101 void ppc6xx_tlb_store (CPUState *env, target_ulong EPN, int way, int is_code,
102 target_ulong pte0, target_ulong pte1);
104 static always_inline void env_to_regs (void)
108 static always_inline void regs_to_env (void)
112 int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
113 int mmu_idx, int is_softmmu);
115 static always_inline int cpu_halted (CPUState *env)
119 if (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD)) {
126 #endif /* !defined (__PPC_H__) */