/*
- * PPC emulation definitions for qemu.
- *
- * Copyright (c) 2003 Jocelyn Mayer
+ * PowerPC emulation definitions for qemu.
+ *
+ * Copyright (c) 2003-2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#if !defined (__PPC_H__)
#define __PPC_H__
+#include "config.h"
+
#include "dyngen-exec.h"
+#include "cpu.h"
+#include "exec-all.h"
+
+/* For normal operations, precise emulation should not be needed */
+//#define USE_PRECISE_EMULATION 1
+#define USE_PRECISE_EMULATION 0
+
register struct CPUPPCState *env asm(AREG0);
-register uint32_t T0 asm(AREG1);
-register uint32_t T1 asm(AREG2);
-register uint32_t T2 asm(AREG3);
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+/* no registers can be used */
+#define T0 (env->t0)
+#define T1 (env->t1)
+#define T2 (env->t2)
+#define TDX "%016" PRIx64
+#else
+register unsigned long T0 asm(AREG1);
+register unsigned long T1 asm(AREG2);
+register unsigned long T2 asm(AREG3);
+#define TDX "%016lx"
+#endif
+/* We may, sometime, need 64 bits registers on 32 bits targets */
+#if (HOST_LONG_BITS == 32)
+/* no registers can be used */
+#define T0_64 (env->t0)
+#define T1_64 (env->t1)
+#define T2_64 (env->t2)
+#else
+#define T0_64 T0
+#define T1_64 T1
+#define T2_64 T2
+#endif
+/* Provision for Altivec */
+#define AVR0 (env->avr0)
+#define AVR1 (env->avr1)
+#define AVR2 (env->avr2)
-#define PARAM(n) ((uint32_t)PARAM##n)
-#define SPARAM(n) ((int32_t)PARAM##n)
#define FT0 (env->ft0)
#define FT1 (env->ft1)
#define FT2 (env->ft2)
-#define FTS0 ((float)env->ft0)
-#define FTS1 ((float)env->ft1)
-#define FTS2 ((float)env->ft2)
#if defined (DEBUG_OP)
-#define RETURN() __asm__ __volatile__("nop");
+# define RETURN() __asm__ __volatile__("nop" : : : "memory");
#else
-#define RETURN() __asm__ __volatile__("");
+# define RETURN() __asm__ __volatile__("" : : : "memory");
#endif
-#include "cpu.h"
-#include "exec-all.h"
-
-static inline uint32_t rotl (uint32_t i, int n)
+static always_inline target_ulong rotl8 (target_ulong i, int n)
{
- return ((i << n) | (i >> (32 - n)));
+ return (((uint8_t)i << n) | ((uint8_t)i >> (8 - n)));
}
-/* XXX: move that to a generic header */
-#if !defined(CONFIG_USER_ONLY)
-
-#define ldul_user ldl_user
-#define ldul_kernel ldl_kernel
-
-#define ACCESS_TYPE 0
-#define MEMSUFFIX _kernel
-#define DATA_SIZE 1
-#include "softmmu_header.h"
-
-#define DATA_SIZE 2
-#include "softmmu_header.h"
-
-#define DATA_SIZE 4
-#include "softmmu_header.h"
-
-#define DATA_SIZE 8
-#include "softmmu_header.h"
-#undef ACCESS_TYPE
-#undef MEMSUFFIX
-
-#define ACCESS_TYPE 1
-#define MEMSUFFIX _user
-#define DATA_SIZE 1
-#include "softmmu_header.h"
-
-#define DATA_SIZE 2
-#include "softmmu_header.h"
+static always_inline target_ulong rotl16 (target_ulong i, int n)
+{
+ return (((uint16_t)i << n) | ((uint16_t)i >> (16 - n)));
+}
-#define DATA_SIZE 4
-#include "softmmu_header.h"
+static always_inline target_ulong rotl32 (target_ulong i, int n)
+{
+ return (((uint32_t)i << n) | ((uint32_t)i >> (32 - n)));
+}
-#define DATA_SIZE 8
-#include "softmmu_header.h"
-#undef ACCESS_TYPE
-#undef MEMSUFFIX
+#if defined(TARGET_PPC64)
+static always_inline target_ulong rotl64 (target_ulong i, int n)
+{
+ return (((uint64_t)i << n) | ((uint64_t)i >> (64 - n)));
+}
+#endif
-/* these access are slower, they must be as rare as possible */
-#define ACCESS_TYPE 2
-#define MEMSUFFIX _data
-#define DATA_SIZE 1
-#include "softmmu_header.h"
+#if !defined(CONFIG_USER_ONLY)
+#include "softmmu_exec.h"
+#endif /* !defined(CONFIG_USER_ONLY) */
-#define DATA_SIZE 2
-#include "softmmu_header.h"
+void do_raise_exception_err (uint32_t exception, int error_code);
+void do_raise_exception (uint32_t exception);
-#define DATA_SIZE 4
-#include "softmmu_header.h"
+int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong vaddr,
+ int rw, int access_type);
-#define DATA_SIZE 8
-#include "softmmu_header.h"
-#undef ACCESS_TYPE
-#undef MEMSUFFIX
+void ppc6xx_tlb_store (CPUState *env, target_ulong EPN, int way, int is_code,
+ target_ulong pte0, target_ulong pte1);
-#define ldub(p) ldub_data(p)
-#define ldsb(p) ldsb_data(p)
-#define lduw(p) lduw_data(p)
-#define ldsw(p) ldsw_data(p)
-#define ldl(p) ldl_data(p)
-#define ldq(p) ldq_data(p)
+static always_inline void env_to_regs (void)
+{
+}
-#define stb(p, v) stb_data(p, v)
-#define stw(p, v) stw_data(p, v)
-#define stl(p, v) stl_data(p, v)
-#define stq(p, v) stq_data(p, v)
+static always_inline void regs_to_env (void)
+{
+}
-#endif /* !defined(CONFIG_USER_ONLY) */
+int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
+ int mmu_idx, int is_softmmu);
-int check_exception_state (CPUState *env);
-
-void do_queue_exception_err (uint32_t exception, int error_code);
-void do_queue_exception (uint32_t exception);
-void do_process_exceptions (void);
-void do_check_exception_state (void);
-
-void do_load_cr (void);
-void do_store_cr (uint32_t mask);
-void do_load_xer (void);
-void do_store_xer (void);
-void do_load_msr (void);
-void do_store_msr (void);
-void do_load_fpscr (void);
-void do_store_fpscr (uint32_t mask);
-
-void do_sraw(void);
-
-void do_fctiw (void);
-void do_fctiwz (void);
-void do_fnmadds (void);
-void do_fnmsubs (void);
-void do_fsqrt (void);
-void do_fsqrts (void);
-void do_fres (void);
-void do_fsqrte (void);
-void do_fsel (void);
-void do_fcmpu (void);
-void do_fcmpo (void);
-void do_fabs (void);
-void do_fnabs (void);
-
-void do_icbi (void);
-void do_tlbia (void);
-void do_tlbie (void);
-
-void dump_state (void);
-void dump_rfi (void);
-void dump_store_sr (int srnum);
-void dump_store_ibat (int ul, int nr);
-void dump_store_dbat (int ul, int nr);
-void dump_store_tb (int ul);
-void dump_update_tb(uint32_t param);
+static always_inline int cpu_halted (CPUState *env)
+{
+ if (!env->halted)
+ return 0;
+ if (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD)) {
+ env->halted = 0;
+ return 0;
+ }
+ return EXCP_HALTED;
+}
#endif /* !defined (__PPC_H__) */
projects / qemu / blobdiff