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/*
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 * defines common to all virtual CPUs
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 *
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 *  Copyright (c) 2003 Fabrice Bellard
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
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 */
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#ifndef CPU_ALL_H
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#define CPU_ALL_H
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#include "qemu-common.h"
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#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__)
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#define WORDS_ALIGNED
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#endif
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/* some important defines:
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 *
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 * WORDS_ALIGNED : if defined, the host cpu can only make word aligned
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 * memory accesses.
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 *
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 * WORDS_BIGENDIAN : if defined, the host cpu is big endian and
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 * otherwise little endian.
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 *
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 * (TARGET_WORDS_ALIGNED : same for target cpu (not supported yet))
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 *
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 * TARGET_WORDS_BIGENDIAN : same for target cpu
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 */
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#include "bswap.h"
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#include "softfloat.h"
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#if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
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#define BSWAP_NEEDED
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#endif
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#ifdef BSWAP_NEEDED
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static inline uint16_t tswap16(uint16_t s)
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{
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    return bswap16(s);
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}
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static inline uint32_t tswap32(uint32_t s)
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{
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    return bswap32(s);
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}
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static inline uint64_t tswap64(uint64_t s)
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{
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    return bswap64(s);
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}
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static inline void tswap16s(uint16_t *s)
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{
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    *s = bswap16(*s);
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}
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static inline void tswap32s(uint32_t *s)
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{
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    *s = bswap32(*s);
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}
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static inline void tswap64s(uint64_t *s)
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{
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    *s = bswap64(*s);
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}
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#else
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static inline uint16_t tswap16(uint16_t s)
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{
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    return s;
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}
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static inline uint32_t tswap32(uint32_t s)
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{
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    return s;
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}
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static inline uint64_t tswap64(uint64_t s)
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{
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    return s;
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}
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static inline void tswap16s(uint16_t *s)
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{
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}
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static inline void tswap32s(uint32_t *s)
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{
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}
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static inline void tswap64s(uint64_t *s)
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{
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}
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#endif
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#if TARGET_LONG_SIZE == 4
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#define tswapl(s) tswap32(s)
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#define tswapls(s) tswap32s((uint32_t *)(s))
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#define bswaptls(s) bswap32s(s)
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#else
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#define tswapl(s) tswap64(s)
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#define tswapls(s) tswap64s((uint64_t *)(s))
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#define bswaptls(s) bswap64s(s)
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#endif
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typedef union {
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    float32 f;
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    uint32_t l;
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} CPU_FloatU;
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/* NOTE: arm FPA is horrible as double 32 bit words are stored in big
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   endian ! */
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typedef union {
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    float64 d;
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#if defined(WORDS_BIGENDIAN) \
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    || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
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    struct {
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        uint32_t upper;
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        uint32_t lower;
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    } l;
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#else
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    struct {
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        uint32_t lower;
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        uint32_t upper;
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    } l;
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#endif
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    uint64_t ll;
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} CPU_DoubleU;
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#ifdef TARGET_SPARC
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typedef union {
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    float128 q;
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#if defined(WORDS_BIGENDIAN) \
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    || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
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    struct {
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        uint32_t upmost;
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        uint32_t upper;
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        uint32_t lower;
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        uint32_t lowest;
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    } l;
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    struct {
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        uint64_t upper;
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        uint64_t lower;
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    } ll;
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#else
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    struct {
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        uint32_t lowest;
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        uint32_t lower;
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        uint32_t upper;
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        uint32_t upmost;
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    } l;
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    struct {
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        uint64_t lower;
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        uint64_t upper;
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    } ll;
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#endif
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} CPU_QuadU;
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#endif
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/* CPU memory access without any memory or io remapping */
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/*
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 * the generic syntax for the memory accesses is:
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 *
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 * load: ld{type}{sign}{size}{endian}_{access_type}(ptr)
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 *
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 * store: st{type}{size}{endian}_{access_type}(ptr, val)
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 *
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 * type is:
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 * (empty): integer access
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 *   f    : float access
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 *
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 * sign is:
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 * (empty): for floats or 32 bit size
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 *   u    : unsigned
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 *   s    : signed
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 *
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 * size is:
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 *   b: 8 bits
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 *   w: 16 bits
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 *   l: 32 bits
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 *   q: 64 bits
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 *
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 * endian is:
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 * (empty): target cpu endianness or 8 bit access
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 *   r    : reversed target cpu endianness (not implemented yet)
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 *   be   : big endian (not implemented yet)
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 *   le   : little endian (not implemented yet)
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 *
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 * access_type is:
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 *   raw    : host memory access
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 *   user   : user mode access using soft MMU
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 *   kernel : kernel mode access using soft MMU
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 */
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static inline int ldub_p(const void *ptr)
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{
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    return *(uint8_t *)ptr;
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}
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static inline int ldsb_p(const void *ptr)
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{
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    return *(int8_t *)ptr;
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}
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static inline void stb_p(void *ptr, int v)
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{
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    *(uint8_t *)ptr = v;
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}
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/* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the
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   kernel handles unaligned load/stores may give better results, but
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   it is a system wide setting : bad */
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#if defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
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/* conservative code for little endian unaligned accesses */
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static inline int lduw_le_p(const void *ptr)
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{
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#ifdef _ARCH_PPC
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    int val;
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    __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
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    return val;
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#else
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    const uint8_t *p = ptr;
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    return p[0] | (p[1] << 8);
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#endif
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}
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static inline int ldsw_le_p(const void *ptr)
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{
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#ifdef _ARCH_PPC
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    int val;
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    __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
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    return (int16_t)val;
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#else
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    const uint8_t *p = ptr;
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    return (int16_t)(p[0] | (p[1] << 8));
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#endif
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}
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static inline int ldl_le_p(const void *ptr)
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{
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#ifdef _ARCH_PPC
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    int val;
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    __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr));
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    return val;
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#else
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    const uint8_t *p = ptr;
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    return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
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#endif
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}
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static inline uint64_t ldq_le_p(const void *ptr)
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{
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    const uint8_t *p = ptr;
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    uint32_t v1, v2;
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    v1 = ldl_le_p(p);
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    v2 = ldl_le_p(p + 4);
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    return v1 | ((uint64_t)v2 << 32);
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}
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static inline void stw_le_p(void *ptr, int v)
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{
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#ifdef _ARCH_PPC
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    __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr));
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#else
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    uint8_t *p = ptr;
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    p[0] = v;
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    p[1] = v >> 8;
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#endif
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}
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static inline void stl_le_p(void *ptr, int v)
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{
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#ifdef _ARCH_PPC
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    __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr));
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#else
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    uint8_t *p = ptr;
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    p[0] = v;
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    p[1] = v >> 8;
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    p[2] = v >> 16;
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    p[3] = v >> 24;
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#endif
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}
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static inline void stq_le_p(void *ptr, uint64_t v)
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{
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    uint8_t *p = ptr;
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    stl_le_p(p, (uint32_t)v);
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    stl_le_p(p + 4, v >> 32);
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}
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/* float access */
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static inline float32 ldfl_le_p(const void *ptr)
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{
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    union {
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        float32 f;
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        uint32_t i;
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    } u;
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    u.i = ldl_le_p(ptr);
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    return u.f;
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}
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static inline void stfl_le_p(void *ptr, float32 v)
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{
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    union {
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        float32 f;
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        uint32_t i;
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    } u;
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    u.f = v;
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    stl_le_p(ptr, u.i);
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}
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static inline float64 ldfq_le_p(const void *ptr)
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{
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    CPU_DoubleU u;
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    u.l.lower = ldl_le_p(ptr);
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    u.l.upper = ldl_le_p(ptr + 4);
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    return u.d;
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}
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static inline void stfq_le_p(void *ptr, float64 v)
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{
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    CPU_DoubleU u;
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    u.d = v;
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    stl_le_p(ptr, u.l.lower);
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    stl_le_p(ptr + 4, u.l.upper);
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}
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#else
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static inline int lduw_le_p(const void *ptr)
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{
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    return *(uint16_t *)ptr;
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}
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static inline int ldsw_le_p(const void *ptr)
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{
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    return *(int16_t *)ptr;
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}
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static inline int ldl_le_p(const void *ptr)
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{
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    return *(uint32_t *)ptr;
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}
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static inline uint64_t ldq_le_p(const void *ptr)
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{
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    return *(uint64_t *)ptr;
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}
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static inline void stw_le_p(void *ptr, int v)
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{
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    *(uint16_t *)ptr = v;
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}
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static inline void stl_le_p(void *ptr, int v)
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{
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    *(uint32_t *)ptr = v;
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}
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static inline void stq_le_p(void *ptr, uint64_t v)
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{
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    *(uint64_t *)ptr = v;
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}
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/* float access */
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static inline float32 ldfl_le_p(const void *ptr)
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{
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    return *(float32 *)ptr;
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}
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static inline float64 ldfq_le_p(const void *ptr)
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{
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    return *(float64 *)ptr;
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}
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static inline void stfl_le_p(void *ptr, float32 v)
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{
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    *(float32 *)ptr = v;
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}
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static inline void stfq_le_p(void *ptr, float64 v)
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{
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    *(float64 *)ptr = v;
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}
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#endif
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#if !defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
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static inline int lduw_be_p(const void *ptr)
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{
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#if defined(__i386__)
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    int val;
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    asm volatile ("movzwl %1, %0\n"
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                  "xchgb %b0, %h0\n"
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                  : "=q" (val)
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                  : "m" (*(uint16_t *)ptr));
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    return val;
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#else
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    const uint8_t *b = ptr;
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    return ((b[0] << 8) | b[1]);
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#endif
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}
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static inline int ldsw_be_p(const void *ptr)
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{
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#if defined(__i386__)
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    int val;
427 83d73968 bellard
    asm volatile ("movzwl %1, %0\n"
428 83d73968 bellard
                  "xchgb %b0, %h0\n"
429 83d73968 bellard
                  : "=q" (val)
430 83d73968 bellard
                  : "m" (*(uint16_t *)ptr));
431 83d73968 bellard
    return (int16_t)val;
432 83d73968 bellard
#else
433 e01fe6d5 malc
    const uint8_t *b = ptr;
434 83d73968 bellard
    return (int16_t)((b[0] << 8) | b[1]);
435 83d73968 bellard
#endif
436 93ac68bc bellard
}
437 93ac68bc bellard
438 8bba3ea1 balrog
static inline int ldl_be_p(const void *ptr)
439 93ac68bc bellard
{
440 4f2ac237 bellard
#if defined(__i386__) || defined(__x86_64__)
441 83d73968 bellard
    int val;
442 83d73968 bellard
    asm volatile ("movl %1, %0\n"
443 83d73968 bellard
                  "bswap %0\n"
444 83d73968 bellard
                  : "=r" (val)
445 83d73968 bellard
                  : "m" (*(uint32_t *)ptr));
446 83d73968 bellard
    return val;
447 83d73968 bellard
#else
448 e01fe6d5 malc
    const uint8_t *b = ptr;
449 83d73968 bellard
    return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
450 83d73968 bellard
#endif
451 93ac68bc bellard
}
452 93ac68bc bellard
453 8bba3ea1 balrog
static inline uint64_t ldq_be_p(const void *ptr)
454 93ac68bc bellard
{
455 93ac68bc bellard
    uint32_t a,b;
456 2df3b95d bellard
    a = ldl_be_p(ptr);
457 4d7a0880 blueswir1
    b = ldl_be_p((uint8_t *)ptr + 4);
458 93ac68bc bellard
    return (((uint64_t)a<<32)|b);
459 93ac68bc bellard
}
460 93ac68bc bellard
461 2df3b95d bellard
static inline void stw_be_p(void *ptr, int v)
462 93ac68bc bellard
{
463 83d73968 bellard
#if defined(__i386__)
464 83d73968 bellard
    asm volatile ("xchgb %b0, %h0\n"
465 83d73968 bellard
                  "movw %w0, %1\n"
466 83d73968 bellard
                  : "=q" (v)
467 83d73968 bellard
                  : "m" (*(uint16_t *)ptr), "0" (v));
468 83d73968 bellard
#else
469 93ac68bc bellard
    uint8_t *d = (uint8_t *) ptr;
470 93ac68bc bellard
    d[0] = v >> 8;
471 93ac68bc bellard
    d[1] = v;
472 83d73968 bellard
#endif
473 93ac68bc bellard
}
474 93ac68bc bellard
475 2df3b95d bellard
static inline void stl_be_p(void *ptr, int v)
476 93ac68bc bellard
{
477 4f2ac237 bellard
#if defined(__i386__) || defined(__x86_64__)
478 83d73968 bellard
    asm volatile ("bswap %0\n"
479 83d73968 bellard
                  "movl %0, %1\n"
480 83d73968 bellard
                  : "=r" (v)
481 83d73968 bellard
                  : "m" (*(uint32_t *)ptr), "0" (v));
482 83d73968 bellard
#else
483 93ac68bc bellard
    uint8_t *d = (uint8_t *) ptr;
484 93ac68bc bellard
    d[0] = v >> 24;
485 93ac68bc bellard
    d[1] = v >> 16;
486 93ac68bc bellard
    d[2] = v >> 8;
487 93ac68bc bellard
    d[3] = v;
488 83d73968 bellard
#endif
489 93ac68bc bellard
}
490 93ac68bc bellard
491 2df3b95d bellard
static inline void stq_be_p(void *ptr, uint64_t v)
492 93ac68bc bellard
{
493 2df3b95d bellard
    stl_be_p(ptr, v >> 32);
494 4d7a0880 blueswir1
    stl_be_p((uint8_t *)ptr + 4, v);
495 0ac4bd56 bellard
}
496 0ac4bd56 bellard
497 0ac4bd56 bellard
/* float access */
498 0ac4bd56 bellard
499 8bba3ea1 balrog
static inline float32 ldfl_be_p(const void *ptr)
500 0ac4bd56 bellard
{
501 0ac4bd56 bellard
    union {
502 53cd6637 bellard
        float32 f;
503 0ac4bd56 bellard
        uint32_t i;
504 0ac4bd56 bellard
    } u;
505 2df3b95d bellard
    u.i = ldl_be_p(ptr);
506 0ac4bd56 bellard
    return u.f;
507 0ac4bd56 bellard
}
508 0ac4bd56 bellard
509 2df3b95d bellard
static inline void stfl_be_p(void *ptr, float32 v)
510 0ac4bd56 bellard
{
511 0ac4bd56 bellard
    union {
512 53cd6637 bellard
        float32 f;
513 0ac4bd56 bellard
        uint32_t i;
514 0ac4bd56 bellard
    } u;
515 0ac4bd56 bellard
    u.f = v;
516 2df3b95d bellard
    stl_be_p(ptr, u.i);
517 0ac4bd56 bellard
}
518 0ac4bd56 bellard
519 8bba3ea1 balrog
static inline float64 ldfq_be_p(const void *ptr)
520 0ac4bd56 bellard
{
521 0ac4bd56 bellard
    CPU_DoubleU u;
522 2df3b95d bellard
    u.l.upper = ldl_be_p(ptr);
523 4d7a0880 blueswir1
    u.l.lower = ldl_be_p((uint8_t *)ptr + 4);
524 0ac4bd56 bellard
    return u.d;
525 0ac4bd56 bellard
}
526 0ac4bd56 bellard
527 2df3b95d bellard
static inline void stfq_be_p(void *ptr, float64 v)
528 0ac4bd56 bellard
{
529 0ac4bd56 bellard
    CPU_DoubleU u;
530 0ac4bd56 bellard
    u.d = v;
531 2df3b95d bellard
    stl_be_p(ptr, u.l.upper);
532 4d7a0880 blueswir1
    stl_be_p((uint8_t *)ptr + 4, u.l.lower);
533 93ac68bc bellard
}
534 93ac68bc bellard
535 5a9fdfec bellard
#else
536 5a9fdfec bellard
537 8bba3ea1 balrog
static inline int lduw_be_p(const void *ptr)
538 5a9fdfec bellard
{
539 5a9fdfec bellard
    return *(uint16_t *)ptr;
540 5a9fdfec bellard
}
541 5a9fdfec bellard
542 8bba3ea1 balrog
static inline int ldsw_be_p(const void *ptr)
543 5a9fdfec bellard
{
544 5a9fdfec bellard
    return *(int16_t *)ptr;
545 5a9fdfec bellard
}
546 5a9fdfec bellard
547 8bba3ea1 balrog
static inline int ldl_be_p(const void *ptr)
548 5a9fdfec bellard
{
549 5a9fdfec bellard
    return *(uint32_t *)ptr;
550 5a9fdfec bellard
}
551 5a9fdfec bellard
552 8bba3ea1 balrog
static inline uint64_t ldq_be_p(const void *ptr)
553 5a9fdfec bellard
{
554 5a9fdfec bellard
    return *(uint64_t *)ptr;
555 5a9fdfec bellard
}
556 5a9fdfec bellard
557 2df3b95d bellard
static inline void stw_be_p(void *ptr, int v)
558 5a9fdfec bellard
{
559 5a9fdfec bellard
    *(uint16_t *)ptr = v;
560 5a9fdfec bellard
}
561 5a9fdfec bellard
562 2df3b95d bellard
static inline void stl_be_p(void *ptr, int v)
563 5a9fdfec bellard
{
564 5a9fdfec bellard
    *(uint32_t *)ptr = v;
565 5a9fdfec bellard
}
566 5a9fdfec bellard
567 2df3b95d bellard
static inline void stq_be_p(void *ptr, uint64_t v)
568 5a9fdfec bellard
{
569 5a9fdfec bellard
    *(uint64_t *)ptr = v;
570 5a9fdfec bellard
}
571 5a9fdfec bellard
572 5a9fdfec bellard
/* float access */
573 5a9fdfec bellard
574 8bba3ea1 balrog
static inline float32 ldfl_be_p(const void *ptr)
575 5a9fdfec bellard
{
576 53cd6637 bellard
    return *(float32 *)ptr;
577 5a9fdfec bellard
}
578 5a9fdfec bellard
579 8bba3ea1 balrog
static inline float64 ldfq_be_p(const void *ptr)
580 5a9fdfec bellard
{
581 53cd6637 bellard
    return *(float64 *)ptr;
582 5a9fdfec bellard
}
583 5a9fdfec bellard
584 2df3b95d bellard
static inline void stfl_be_p(void *ptr, float32 v)
585 5a9fdfec bellard
{
586 53cd6637 bellard
    *(float32 *)ptr = v;
587 5a9fdfec bellard
}
588 5a9fdfec bellard
589 2df3b95d bellard
static inline void stfq_be_p(void *ptr, float64 v)
590 5a9fdfec bellard
{
591 53cd6637 bellard
    *(float64 *)ptr = v;
592 5a9fdfec bellard
}
593 2df3b95d bellard
594 2df3b95d bellard
#endif
595 2df3b95d bellard
596 2df3b95d bellard
/* target CPU memory access functions */
597 2df3b95d bellard
#if defined(TARGET_WORDS_BIGENDIAN)
598 2df3b95d bellard
#define lduw_p(p) lduw_be_p(p)
599 2df3b95d bellard
#define ldsw_p(p) ldsw_be_p(p)
600 2df3b95d bellard
#define ldl_p(p) ldl_be_p(p)
601 2df3b95d bellard
#define ldq_p(p) ldq_be_p(p)
602 2df3b95d bellard
#define ldfl_p(p) ldfl_be_p(p)
603 2df3b95d bellard
#define ldfq_p(p) ldfq_be_p(p)
604 2df3b95d bellard
#define stw_p(p, v) stw_be_p(p, v)
605 2df3b95d bellard
#define stl_p(p, v) stl_be_p(p, v)
606 2df3b95d bellard
#define stq_p(p, v) stq_be_p(p, v)
607 2df3b95d bellard
#define stfl_p(p, v) stfl_be_p(p, v)
608 2df3b95d bellard
#define stfq_p(p, v) stfq_be_p(p, v)
609 2df3b95d bellard
#else
610 2df3b95d bellard
#define lduw_p(p) lduw_le_p(p)
611 2df3b95d bellard
#define ldsw_p(p) ldsw_le_p(p)
612 2df3b95d bellard
#define ldl_p(p) ldl_le_p(p)
613 2df3b95d bellard
#define ldq_p(p) ldq_le_p(p)
614 2df3b95d bellard
#define ldfl_p(p) ldfl_le_p(p)
615 2df3b95d bellard
#define ldfq_p(p) ldfq_le_p(p)
616 2df3b95d bellard
#define stw_p(p, v) stw_le_p(p, v)
617 2df3b95d bellard
#define stl_p(p, v) stl_le_p(p, v)
618 2df3b95d bellard
#define stq_p(p, v) stq_le_p(p, v)
619 2df3b95d bellard
#define stfl_p(p, v) stfl_le_p(p, v)
620 2df3b95d bellard
#define stfq_p(p, v) stfq_le_p(p, v)
621 5a9fdfec bellard
#endif
622 5a9fdfec bellard
623 61382a50 bellard
/* MMU memory access macros */
624 61382a50 bellard
625 53a5960a pbrook
#if defined(CONFIG_USER_ONLY)
626 0e62fd79 aurel32
#include <assert.h>
627 0e62fd79 aurel32
#include "qemu-types.h"
628 0e62fd79 aurel32
629 53a5960a pbrook
/* On some host systems the guest address space is reserved on the host.
630 53a5960a pbrook
 * This allows the guest address space to be offset to a convenient location.
631 53a5960a pbrook
 */
632 53a5960a pbrook
//#define GUEST_BASE 0x20000000
633 53a5960a pbrook
#define GUEST_BASE 0
634 53a5960a pbrook
635 53a5960a pbrook
/* All direct uses of g2h and h2g need to go away for usermode softmmu.  */
636 53a5960a pbrook
#define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE))
637 0e62fd79 aurel32
#define h2g(x) ({ \
638 0e62fd79 aurel32
    unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \
639 0e62fd79 aurel32
    /* Check if given address fits target address space */ \
640 0e62fd79 aurel32
    assert(__ret == (abi_ulong)__ret); \
641 0e62fd79 aurel32
    (abi_ulong)__ret; \
642 0e62fd79 aurel32
})
643 14cc46b1 aurel32
#define h2g_valid(x) ({ \
644 14cc46b1 aurel32
    unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \
645 14cc46b1 aurel32
    (__guest == (abi_ulong)__guest); \
646 14cc46b1 aurel32
})
647 53a5960a pbrook
648 53a5960a pbrook
#define saddr(x) g2h(x)
649 53a5960a pbrook
#define laddr(x) g2h(x)
650 53a5960a pbrook
651 53a5960a pbrook
#else /* !CONFIG_USER_ONLY */
652 c27004ec bellard
/* NOTE: we use double casts if pointers and target_ulong have
653 c27004ec bellard
   different sizes */
654 53a5960a pbrook
#define saddr(x) (uint8_t *)(long)(x)
655 53a5960a pbrook
#define laddr(x) (uint8_t *)(long)(x)
656 53a5960a pbrook
#endif
657 53a5960a pbrook
658 53a5960a pbrook
#define ldub_raw(p) ldub_p(laddr((p)))
659 53a5960a pbrook
#define ldsb_raw(p) ldsb_p(laddr((p)))
660 53a5960a pbrook
#define lduw_raw(p) lduw_p(laddr((p)))
661 53a5960a pbrook
#define ldsw_raw(p) ldsw_p(laddr((p)))
662 53a5960a pbrook
#define ldl_raw(p) ldl_p(laddr((p)))
663 53a5960a pbrook
#define ldq_raw(p) ldq_p(laddr((p)))
664 53a5960a pbrook
#define ldfl_raw(p) ldfl_p(laddr((p)))
665 53a5960a pbrook
#define ldfq_raw(p) ldfq_p(laddr((p)))
666 53a5960a pbrook
#define stb_raw(p, v) stb_p(saddr((p)), v)
667 53a5960a pbrook
#define stw_raw(p, v) stw_p(saddr((p)), v)
668 53a5960a pbrook
#define stl_raw(p, v) stl_p(saddr((p)), v)
669 53a5960a pbrook
#define stq_raw(p, v) stq_p(saddr((p)), v)
670 53a5960a pbrook
#define stfl_raw(p, v) stfl_p(saddr((p)), v)
671 53a5960a pbrook
#define stfq_raw(p, v) stfq_p(saddr((p)), v)
672 c27004ec bellard
673 c27004ec bellard
674 5fafdf24 ths
#if defined(CONFIG_USER_ONLY)
675 61382a50 bellard
676 61382a50 bellard
/* if user mode, no other memory access functions */
677 61382a50 bellard
#define ldub(p) ldub_raw(p)
678 61382a50 bellard
#define ldsb(p) ldsb_raw(p)
679 61382a50 bellard
#define lduw(p) lduw_raw(p)
680 61382a50 bellard
#define ldsw(p) ldsw_raw(p)
681 61382a50 bellard
#define ldl(p) ldl_raw(p)
682 61382a50 bellard
#define ldq(p) ldq_raw(p)
683 61382a50 bellard
#define ldfl(p) ldfl_raw(p)
684 61382a50 bellard
#define ldfq(p) ldfq_raw(p)
685 61382a50 bellard
#define stb(p, v) stb_raw(p, v)
686 61382a50 bellard
#define stw(p, v) stw_raw(p, v)
687 61382a50 bellard
#define stl(p, v) stl_raw(p, v)
688 61382a50 bellard
#define stq(p, v) stq_raw(p, v)
689 61382a50 bellard
#define stfl(p, v) stfl_raw(p, v)
690 61382a50 bellard
#define stfq(p, v) stfq_raw(p, v)
691 61382a50 bellard
692 61382a50 bellard
#define ldub_code(p) ldub_raw(p)
693 61382a50 bellard
#define ldsb_code(p) ldsb_raw(p)
694 61382a50 bellard
#define lduw_code(p) lduw_raw(p)
695 61382a50 bellard
#define ldsw_code(p) ldsw_raw(p)
696 61382a50 bellard
#define ldl_code(p) ldl_raw(p)
697 bc98a7ef j_mayer
#define ldq_code(p) ldq_raw(p)
698 61382a50 bellard
699 61382a50 bellard
#define ldub_kernel(p) ldub_raw(p)
700 61382a50 bellard
#define ldsb_kernel(p) ldsb_raw(p)
701 61382a50 bellard
#define lduw_kernel(p) lduw_raw(p)
702 61382a50 bellard
#define ldsw_kernel(p) ldsw_raw(p)
703 61382a50 bellard
#define ldl_kernel(p) ldl_raw(p)
704 bc98a7ef j_mayer
#define ldq_kernel(p) ldq_raw(p)
705 0ac4bd56 bellard
#define ldfl_kernel(p) ldfl_raw(p)
706 0ac4bd56 bellard
#define ldfq_kernel(p) ldfq_raw(p)
707 61382a50 bellard
#define stb_kernel(p, v) stb_raw(p, v)
708 61382a50 bellard
#define stw_kernel(p, v) stw_raw(p, v)
709 61382a50 bellard
#define stl_kernel(p, v) stl_raw(p, v)
710 61382a50 bellard
#define stq_kernel(p, v) stq_raw(p, v)
711 0ac4bd56 bellard
#define stfl_kernel(p, v) stfl_raw(p, v)
712 0ac4bd56 bellard
#define stfq_kernel(p, vt) stfq_raw(p, v)
713 61382a50 bellard
714 61382a50 bellard
#endif /* defined(CONFIG_USER_ONLY) */
715 61382a50 bellard
716 5a9fdfec bellard
/* page related stuff */
717 5a9fdfec bellard
718 03875444 aurel32
#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
719 5a9fdfec bellard
#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
720 5a9fdfec bellard
#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
721 5a9fdfec bellard
722 53a5960a pbrook
/* ??? These should be the larger of unsigned long and target_ulong.  */
723 83fb7adf bellard
extern unsigned long qemu_real_host_page_size;
724 83fb7adf bellard
extern unsigned long qemu_host_page_bits;
725 83fb7adf bellard
extern unsigned long qemu_host_page_size;
726 83fb7adf bellard
extern unsigned long qemu_host_page_mask;
727 5a9fdfec bellard
728 83fb7adf bellard
#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
729 5a9fdfec bellard
730 5a9fdfec bellard
/* same as PROT_xxx */
731 5a9fdfec bellard
#define PAGE_READ      0x0001
732 5a9fdfec bellard
#define PAGE_WRITE     0x0002
733 5a9fdfec bellard
#define PAGE_EXEC      0x0004
734 5a9fdfec bellard
#define PAGE_BITS      (PAGE_READ | PAGE_WRITE | PAGE_EXEC)
735 5a9fdfec bellard
#define PAGE_VALID     0x0008
736 5a9fdfec bellard
/* original state of the write flag (used when tracking self-modifying
737 5a9fdfec bellard
   code */
738 5fafdf24 ths
#define PAGE_WRITE_ORG 0x0010
739 50a9569b balrog
#define PAGE_RESERVED  0x0020
740 5a9fdfec bellard
741 5a9fdfec bellard
void page_dump(FILE *f);
742 53a5960a pbrook
int page_get_flags(target_ulong address);
743 53a5960a pbrook
void page_set_flags(target_ulong start, target_ulong end, int flags);
744 3d97b40b ths
int page_check_range(target_ulong start, target_ulong len, int flags);
745 5a9fdfec bellard
746 26a5f13b bellard
void cpu_exec_init_all(unsigned long tb_size);
747 c5be9f08 ths
CPUState *cpu_copy(CPUState *env);
748 c5be9f08 ths
749 5fafdf24 ths
void cpu_dump_state(CPUState *env, FILE *f,
750 7fe48483 bellard
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
751 7fe48483 bellard
                    int flags);
752 76a66253 j_mayer
void cpu_dump_statistics (CPUState *env, FILE *f,
753 76a66253 j_mayer
                          int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
754 76a66253 j_mayer
                          int flags);
755 7fe48483 bellard
756 a5e50b26 malc
void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...)
757 7d99a001 blueswir1
    __attribute__ ((__format__ (__printf__, 2, 3)));
758 f0aca822 bellard
extern CPUState *first_cpu;
759 e2f22898 bellard
extern CPUState *cpu_single_env;
760 2e70f6ef pbrook
extern int64_t qemu_icount;
761 2e70f6ef pbrook
extern int use_icount;
762 5a9fdfec bellard
763 9acbed06 bellard
#define CPU_INTERRUPT_HARD   0x02 /* hardware interrupt pending */
764 9acbed06 bellard
#define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
765 ef792f9d bellard
#define CPU_INTERRUPT_TIMER  0x08 /* internal timer exception pending */
766 98699967 bellard
#define CPU_INTERRUPT_FIQ    0x10 /* Fast interrupt pending.  */
767 ba3c64fb bellard
#define CPU_INTERRUPT_HALT   0x20 /* CPU halt wanted */
768 3b21e03e bellard
#define CPU_INTERRUPT_SMI    0x40 /* (x86 only) SMI interrupt pending */
769 6658ffb8 pbrook
#define CPU_INTERRUPT_DEBUG  0x80 /* Debug event occured.  */
770 0573fbfc ths
#define CPU_INTERRUPT_VIRQ   0x100 /* virtual interrupt pending.  */
771 474ea849 aurel32
#define CPU_INTERRUPT_NMI    0x200 /* NMI pending. */
772 98699967 bellard
773 4690764b bellard
void cpu_interrupt(CPUState *s, int mask);
774 b54ad049 bellard
void cpu_reset_interrupt(CPUState *env, int mask);
775 68a79315 bellard
776 3098dba0 aurel32
void cpu_exit(CPUState *s);
777 3098dba0 aurel32
778 a1d1bb31 aliguori
/* Breakpoint/watchpoint flags */
779 a1d1bb31 aliguori
#define BP_MEM_READ           0x01
780 a1d1bb31 aliguori
#define BP_MEM_WRITE          0x02
781 a1d1bb31 aliguori
#define BP_MEM_ACCESS         (BP_MEM_READ | BP_MEM_WRITE)
782 06d55cc1 aliguori
#define BP_STOP_BEFORE_ACCESS 0x04
783 6e140f28 aliguori
#define BP_WATCHPOINT_HIT     0x08
784 a1d1bb31 aliguori
#define BP_GDB                0x10
785 2dc9f411 aliguori
#define BP_CPU                0x20
786 a1d1bb31 aliguori
787 a1d1bb31 aliguori
int cpu_breakpoint_insert(CPUState *env, target_ulong pc, int flags,
788 a1d1bb31 aliguori
                          CPUBreakpoint **breakpoint);
789 a1d1bb31 aliguori
int cpu_breakpoint_remove(CPUState *env, target_ulong pc, int flags);
790 a1d1bb31 aliguori
void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint);
791 a1d1bb31 aliguori
void cpu_breakpoint_remove_all(CPUState *env, int mask);
792 a1d1bb31 aliguori
int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len,
793 a1d1bb31 aliguori
                          int flags, CPUWatchpoint **watchpoint);
794 a1d1bb31 aliguori
int cpu_watchpoint_remove(CPUState *env, target_ulong addr,
795 a1d1bb31 aliguori
                          target_ulong len, int flags);
796 a1d1bb31 aliguori
void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint);
797 a1d1bb31 aliguori
void cpu_watchpoint_remove_all(CPUState *env, int mask);
798 60897d36 edgar_igl
799 60897d36 edgar_igl
#define SSTEP_ENABLE  0x1  /* Enable simulated HW single stepping */
800 60897d36 edgar_igl
#define SSTEP_NOIRQ   0x2  /* Do not use IRQ while single stepping */
801 60897d36 edgar_igl
#define SSTEP_NOTIMER 0x4  /* Do not Timers while single stepping */
802 60897d36 edgar_igl
803 c33a346e bellard
void cpu_single_step(CPUState *env, int enabled);
804 d95dc32d bellard
void cpu_reset(CPUState *s);
805 4c3a88a2 bellard
806 13eb76e0 bellard
/* Return the physical page corresponding to a virtual one. Use it
807 13eb76e0 bellard
   only for debugging because no protection checks are done. Return -1
808 13eb76e0 bellard
   if no page found. */
809 9b3c35e0 j_mayer
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr);
810 13eb76e0 bellard
811 5fafdf24 ths
#define CPU_LOG_TB_OUT_ASM (1 << 0)
812 9fddaa0c bellard
#define CPU_LOG_TB_IN_ASM  (1 << 1)
813 f193c797 bellard
#define CPU_LOG_TB_OP      (1 << 2)
814 f193c797 bellard
#define CPU_LOG_TB_OP_OPT  (1 << 3)
815 f193c797 bellard
#define CPU_LOG_INT        (1 << 4)
816 f193c797 bellard
#define CPU_LOG_EXEC       (1 << 5)
817 f193c797 bellard
#define CPU_LOG_PCALL      (1 << 6)
818 fd872598 bellard
#define CPU_LOG_IOPORT     (1 << 7)
819 9fddaa0c bellard
#define CPU_LOG_TB_CPU     (1 << 8)
820 eca1bdf4 aliguori
#define CPU_LOG_RESET      (1 << 9)
821 f193c797 bellard
822 f193c797 bellard
/* define log items */
823 f193c797 bellard
typedef struct CPULogItem {
824 f193c797 bellard
    int mask;
825 f193c797 bellard
    const char *name;
826 f193c797 bellard
    const char *help;
827 f193c797 bellard
} CPULogItem;
828 f193c797 bellard
829 c7cd6a37 blueswir1
extern const CPULogItem cpu_log_items[];
830 f193c797 bellard
831 34865134 bellard
void cpu_set_log(int log_flags);
832 34865134 bellard
void cpu_set_log_filename(const char *filename);
833 f193c797 bellard
int cpu_str_to_log_mask(const char *str);
834 34865134 bellard
835 09683d35 bellard
/* IO ports API */
836 09683d35 bellard
837 09683d35 bellard
/* NOTE: as these functions may be even used when there is an isa
838 09683d35 bellard
   brige on non x86 targets, we always defined them */
839 09683d35 bellard
#ifndef NO_CPU_IO_DEFS
840 09683d35 bellard
void cpu_outb(CPUState *env, int addr, int val);
841 09683d35 bellard
void cpu_outw(CPUState *env, int addr, int val);
842 09683d35 bellard
void cpu_outl(CPUState *env, int addr, int val);
843 09683d35 bellard
int cpu_inb(CPUState *env, int addr);
844 09683d35 bellard
int cpu_inw(CPUState *env, int addr);
845 09683d35 bellard
int cpu_inl(CPUState *env, int addr);
846 09683d35 bellard
#endif
847 09683d35 bellard
848 00f82b8a aurel32
/* address in the RAM (different from a physical address) */
849 00f82b8a aurel32
#ifdef USE_KQEMU
850 00f82b8a aurel32
typedef uint32_t ram_addr_t;
851 00f82b8a aurel32
#else
852 00f82b8a aurel32
typedef unsigned long ram_addr_t;
853 00f82b8a aurel32
#endif
854 00f82b8a aurel32
855 33417e70 bellard
/* memory API */
856 33417e70 bellard
857 00f82b8a aurel32
extern ram_addr_t phys_ram_size;
858 edf75d59 bellard
extern int phys_ram_fd;
859 edf75d59 bellard
extern uint8_t *phys_ram_base;
860 1ccde1cb bellard
extern uint8_t *phys_ram_dirty;
861 00f82b8a aurel32
extern ram_addr_t ram_size;
862 edf75d59 bellard
863 edf75d59 bellard
/* physical memory access */
864 0f459d16 pbrook
865 0f459d16 pbrook
/* MMIO pages are identified by a combination of an IO device index and
866 0f459d16 pbrook
   3 flags.  The ROMD code stores the page ram offset in iotlb entry, 
867 0f459d16 pbrook
   so only a limited number of ids are avaiable.  */
868 0f459d16 pbrook
869 0f459d16 pbrook
#define IO_MEM_SHIFT       3
870 98699967 bellard
#define IO_MEM_NB_ENTRIES  (1 << (TARGET_PAGE_BITS  - IO_MEM_SHIFT))
871 edf75d59 bellard
872 edf75d59 bellard
#define IO_MEM_RAM         (0 << IO_MEM_SHIFT) /* hardcoded offset */
873 edf75d59 bellard
#define IO_MEM_ROM         (1 << IO_MEM_SHIFT) /* hardcoded offset */
874 edf75d59 bellard
#define IO_MEM_UNASSIGNED  (2 << IO_MEM_SHIFT)
875 0f459d16 pbrook
#define IO_MEM_NOTDIRTY    (3 << IO_MEM_SHIFT)
876 0f459d16 pbrook
877 0f459d16 pbrook
/* Acts like a ROM when read and like a device when written.  */
878 2a4188a3 bellard
#define IO_MEM_ROMD        (1)
879 db7b5426 blueswir1
#define IO_MEM_SUBPAGE     (2)
880 4254fab8 blueswir1
#define IO_MEM_SUBWIDTH    (4)
881 edf75d59 bellard
882 0f459d16 pbrook
/* Flags stored in the low bits of the TLB virtual address.  These are
883 0f459d16 pbrook
   defined so that fast path ram access is all zeros.  */
884 0f459d16 pbrook
/* Zero if TLB entry is valid.  */
885 0f459d16 pbrook
#define TLB_INVALID_MASK   (1 << 3)
886 0f459d16 pbrook
/* Set if TLB entry references a clean RAM page.  The iotlb entry will
887 0f459d16 pbrook
   contain the page physical address.  */
888 0f459d16 pbrook
#define TLB_NOTDIRTY    (1 << 4)
889 0f459d16 pbrook
/* Set if TLB entry is an IO callback.  */
890 0f459d16 pbrook
#define TLB_MMIO        (1 << 5)
891 0f459d16 pbrook
892 7727994d bellard
typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
893 7727994d bellard
typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
894 33417e70 bellard
895 8da3ff18 pbrook
void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
896 8da3ff18 pbrook
                                         ram_addr_t size,
897 8da3ff18 pbrook
                                         ram_addr_t phys_offset,
898 8da3ff18 pbrook
                                         ram_addr_t region_offset);
899 8da3ff18 pbrook
static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
900 8da3ff18 pbrook
                                                ram_addr_t size,
901 8da3ff18 pbrook
                                                ram_addr_t phys_offset)
902 8da3ff18 pbrook
{
903 8da3ff18 pbrook
    cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
904 8da3ff18 pbrook
}
905 8da3ff18 pbrook
906 00f82b8a aurel32
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
907 00f82b8a aurel32
ram_addr_t qemu_ram_alloc(ram_addr_t);
908 e9a1ab19 bellard
void qemu_ram_free(ram_addr_t addr);
909 dc828ca1 pbrook
/* This should only be used for ram local to a device.  */
910 dc828ca1 pbrook
void *qemu_get_ram_ptr(ram_addr_t addr);
911 33417e70 bellard
int cpu_register_io_memory(int io_index,
912 33417e70 bellard
                           CPUReadMemoryFunc **mem_read,
913 7727994d bellard
                           CPUWriteMemoryFunc **mem_write,
914 7727994d bellard
                           void *opaque);
915 88715657 aliguori
void cpu_unregister_io_memory(int table_address);
916 8926b517 bellard
CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index);
917 8926b517 bellard
CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index);
918 33417e70 bellard
919 2e12669a bellard
void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
920 13eb76e0 bellard
                            int len, int is_write);
921 5fafdf24 ths
static inline void cpu_physical_memory_read(target_phys_addr_t addr,
922 2e12669a bellard
                                            uint8_t *buf, int len)
923 8b1f24b0 bellard
{
924 8b1f24b0 bellard
    cpu_physical_memory_rw(addr, buf, len, 0);
925 8b1f24b0 bellard
}
926 5fafdf24 ths
static inline void cpu_physical_memory_write(target_phys_addr_t addr,
927 2e12669a bellard
                                             const uint8_t *buf, int len)
928 8b1f24b0 bellard
{
929 8b1f24b0 bellard
    cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
930 8b1f24b0 bellard
}
931 6d16c2f8 aliguori
void *cpu_physical_memory_map(target_phys_addr_t addr,
932 6d16c2f8 aliguori
                              target_phys_addr_t *plen,
933 6d16c2f8 aliguori
                              int is_write);
934 6d16c2f8 aliguori
void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
935 6d16c2f8 aliguori
                               int is_write, target_phys_addr_t access_len);
936 ba223c29 aliguori
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
937 ba223c29 aliguori
void cpu_unregister_map_client(void *cookie);
938 6d16c2f8 aliguori
939 aab33094 bellard
uint32_t ldub_phys(target_phys_addr_t addr);
940 aab33094 bellard
uint32_t lduw_phys(target_phys_addr_t addr);
941 8df1cd07 bellard
uint32_t ldl_phys(target_phys_addr_t addr);
942 aab33094 bellard
uint64_t ldq_phys(target_phys_addr_t addr);
943 8df1cd07 bellard
void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
944 bc98a7ef j_mayer
void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
945 aab33094 bellard
void stb_phys(target_phys_addr_t addr, uint32_t val);
946 aab33094 bellard
void stw_phys(target_phys_addr_t addr, uint32_t val);
947 8df1cd07 bellard
void stl_phys(target_phys_addr_t addr, uint32_t val);
948 aab33094 bellard
void stq_phys(target_phys_addr_t addr, uint64_t val);
949 8b1f24b0 bellard
950 5fafdf24 ths
void cpu_physical_memory_write_rom(target_phys_addr_t addr,
951 d0ecd2aa bellard
                                   const uint8_t *buf, int len);
952 5fafdf24 ths
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
953 8b1f24b0 bellard
                        uint8_t *buf, int len, int is_write);
954 13eb76e0 bellard
955 74576198 aliguori
#define VGA_DIRTY_FLAG       0x01
956 74576198 aliguori
#define CODE_DIRTY_FLAG      0x02
957 74576198 aliguori
#define KQEMU_DIRTY_FLAG     0x04
958 74576198 aliguori
#define MIGRATION_DIRTY_FLAG 0x08
959 0a962c02 bellard
960 1ccde1cb bellard
/* read dirty bit (return 0 or 1) */
961 04c504cc bellard
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
962 1ccde1cb bellard
{
963 0a962c02 bellard
    return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
964 0a962c02 bellard
}
965 0a962c02 bellard
966 5fafdf24 ths
static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
967 0a962c02 bellard
                                                int dirty_flags)
968 0a962c02 bellard
{
969 0a962c02 bellard
    return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
970 1ccde1cb bellard
}
971 1ccde1cb bellard
972 04c504cc bellard
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
973 1ccde1cb bellard
{
974 0a962c02 bellard
    phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
975 1ccde1cb bellard
}
976 1ccde1cb bellard
977 04c504cc bellard
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
978 0a962c02 bellard
                                     int dirty_flags);
979 04c504cc bellard
void cpu_tlb_update_dirty(CPUState *env);
980 1ccde1cb bellard
981 74576198 aliguori
int cpu_physical_memory_set_dirty_tracking(int enable);
982 74576198 aliguori
983 74576198 aliguori
int cpu_physical_memory_get_dirty_tracking(void);
984 74576198 aliguori
985 2bec46dc aliguori
void cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
986 2bec46dc aliguori
987 e3db7226 bellard
void dump_exec_info(FILE *f,
988 e3db7226 bellard
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
989 e3db7226 bellard
990 f65ed4c1 aliguori
/* Coalesced MMIO regions are areas where write operations can be reordered.
991 f65ed4c1 aliguori
 * This usually implies that write operations are side-effect free.  This allows
992 f65ed4c1 aliguori
 * batching which can make a major impact on performance when using
993 f65ed4c1 aliguori
 * virtualization.
994 f65ed4c1 aliguori
 */
995 f65ed4c1 aliguori
void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
996 f65ed4c1 aliguori
997 f65ed4c1 aliguori
void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
998 f65ed4c1 aliguori
999 effedbc9 bellard
/*******************************************/
1000 effedbc9 bellard
/* host CPU ticks (if available) */
1001 effedbc9 bellard
1002 e58ffeb3 malc
#if defined(_ARCH_PPC)
1003 effedbc9 bellard
1004 effedbc9 bellard
static inline int64_t cpu_get_real_ticks(void)
1005 effedbc9 bellard
{
1006 5e10fc90 malc
    int64_t retval;
1007 5e10fc90 malc
#ifdef _ARCH_PPC64
1008 5e10fc90 malc
    /* This reads timebase in one 64bit go and includes Cell workaround from:
1009 5e10fc90 malc
       http://ozlabs.org/pipermail/linuxppc-dev/2006-October/027052.html
1010 5e10fc90 malc
     */
1011 5e10fc90 malc
    __asm__ __volatile__ (
1012 5e10fc90 malc
        "mftb    %0\n\t"
1013 5e10fc90 malc
        "cmpwi   %0,0\n\t"
1014 5e10fc90 malc
        "beq-    $-8"
1015 5e10fc90 malc
        : "=r" (retval));
1016 5e10fc90 malc
#else
1017 5e10fc90 malc
    /* http://ozlabs.org/pipermail/linuxppc-dev/1999-October/003889.html */
1018 5e10fc90 malc
    unsigned long junk;
1019 5e10fc90 malc
    __asm__ __volatile__ (
1020 5e10fc90 malc
        "mftbu   %1\n\t"
1021 5e10fc90 malc
        "mftb    %L0\n\t"
1022 5e10fc90 malc
        "mftbu   %0\n\t"
1023 5e10fc90 malc
        "cmpw    %0,%1\n\t"
1024 5e10fc90 malc
        "bne     $-16"
1025 5e10fc90 malc
        : "=r" (retval), "=r" (junk));
1026 5e10fc90 malc
#endif
1027 5e10fc90 malc
    return retval;
1028 effedbc9 bellard
}
1029 effedbc9 bellard
1030 effedbc9 bellard
#elif defined(__i386__)
1031 effedbc9 bellard
1032 effedbc9 bellard
static inline int64_t cpu_get_real_ticks(void)
1033 5f1ce948 bellard
{
1034 5f1ce948 bellard
    int64_t val;
1035 5f1ce948 bellard
    asm volatile ("rdtsc" : "=A" (val));
1036 5f1ce948 bellard
    return val;
1037 5f1ce948 bellard
}
1038 5f1ce948 bellard
1039 effedbc9 bellard
#elif defined(__x86_64__)
1040 effedbc9 bellard
1041 effedbc9 bellard
static inline int64_t cpu_get_real_ticks(void)
1042 effedbc9 bellard
{
1043 effedbc9 bellard
    uint32_t low,high;
1044 effedbc9 bellard
    int64_t val;
1045 effedbc9 bellard
    asm volatile("rdtsc" : "=a" (low), "=d" (high));
1046 effedbc9 bellard
    val = high;
1047 effedbc9 bellard
    val <<= 32;
1048 effedbc9 bellard
    val |= low;
1049 effedbc9 bellard
    return val;
1050 effedbc9 bellard
}
1051 effedbc9 bellard
1052 f54b3f92 aurel32
#elif defined(__hppa__)
1053 f54b3f92 aurel32
1054 f54b3f92 aurel32
static inline int64_t cpu_get_real_ticks(void)
1055 f54b3f92 aurel32
{
1056 f54b3f92 aurel32
    int val;
1057 f54b3f92 aurel32
    asm volatile ("mfctl %%cr16, %0" : "=r"(val));
1058 f54b3f92 aurel32
    return val;
1059 f54b3f92 aurel32
}
1060 f54b3f92 aurel32
1061 effedbc9 bellard
#elif defined(__ia64)
1062 effedbc9 bellard
1063 effedbc9 bellard
static inline int64_t cpu_get_real_ticks(void)
1064 effedbc9 bellard
{
1065 effedbc9 bellard
        int64_t val;
1066 effedbc9 bellard
        asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
1067 effedbc9 bellard
        return val;
1068 effedbc9 bellard
}
1069 effedbc9 bellard
1070 effedbc9 bellard
#elif defined(__s390__)
1071 effedbc9 bellard
1072 effedbc9 bellard
static inline int64_t cpu_get_real_ticks(void)
1073 effedbc9 bellard
{
1074 effedbc9 bellard
    int64_t val;
1075 effedbc9 bellard
    asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
1076 effedbc9 bellard
    return val;
1077 effedbc9 bellard
}
1078 effedbc9 bellard
1079 3142255c blueswir1
#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__)
1080 effedbc9 bellard
1081 effedbc9 bellard
static inline int64_t cpu_get_real_ticks (void)
1082 effedbc9 bellard
{
1083 effedbc9 bellard
#if     defined(_LP64)
1084 effedbc9 bellard
        uint64_t        rval;
1085 effedbc9 bellard
        asm volatile("rd %%tick,%0" : "=r"(rval));
1086 effedbc9 bellard
        return rval;
1087 effedbc9 bellard
#else
1088 effedbc9 bellard
        union {
1089 effedbc9 bellard
                uint64_t i64;
1090 effedbc9 bellard
                struct {
1091 effedbc9 bellard
                        uint32_t high;
1092 effedbc9 bellard
                        uint32_t low;
1093 effedbc9 bellard
                }       i32;
1094 effedbc9 bellard
        } rval;
1095 effedbc9 bellard
        asm volatile("rd %%tick,%1; srlx %1,32,%0"
1096 effedbc9 bellard
                : "=r"(rval.i32.high), "=r"(rval.i32.low));
1097 effedbc9 bellard
        return rval.i64;
1098 effedbc9 bellard
#endif
1099 effedbc9 bellard
}
1100 c4b89d18 ths
1101 c4b89d18 ths
#elif defined(__mips__)
1102 c4b89d18 ths
1103 c4b89d18 ths
static inline int64_t cpu_get_real_ticks(void)
1104 c4b89d18 ths
{
1105 c4b89d18 ths
#if __mips_isa_rev >= 2
1106 c4b89d18 ths
    uint32_t count;
1107 c4b89d18 ths
    static uint32_t cyc_per_count = 0;
1108 c4b89d18 ths
1109 c4b89d18 ths
    if (!cyc_per_count)
1110 c4b89d18 ths
        __asm__ __volatile__("rdhwr %0, $3" : "=r" (cyc_per_count));
1111 c4b89d18 ths
1112 c4b89d18 ths
    __asm__ __volatile__("rdhwr %1, $2" : "=r" (count));
1113 c4b89d18 ths
    return (int64_t)(count * cyc_per_count);
1114 c4b89d18 ths
#else
1115 c4b89d18 ths
    /* FIXME */
1116 c4b89d18 ths
    static int64_t ticks = 0;
1117 c4b89d18 ths
    return ticks++;
1118 c4b89d18 ths
#endif
1119 c4b89d18 ths
}
1120 c4b89d18 ths
1121 46152182 pbrook
#else
1122 46152182 pbrook
/* The host CPU doesn't have an easily accessible cycle counter.
1123 85028e4d ths
   Just return a monotonically increasing value.  This will be
1124 85028e4d ths
   totally wrong, but hopefully better than nothing.  */
1125 46152182 pbrook
static inline int64_t cpu_get_real_ticks (void)
1126 46152182 pbrook
{
1127 46152182 pbrook
    static int64_t ticks = 0;
1128 46152182 pbrook
    return ticks++;
1129 46152182 pbrook
}
1130 effedbc9 bellard
#endif
1131 effedbc9 bellard
1132 effedbc9 bellard
/* profiling */
1133 effedbc9 bellard
#ifdef CONFIG_PROFILER
1134 effedbc9 bellard
static inline int64_t profile_getclock(void)
1135 effedbc9 bellard
{
1136 effedbc9 bellard
    return cpu_get_real_ticks();
1137 effedbc9 bellard
}
1138 effedbc9 bellard
1139 5f1ce948 bellard
extern int64_t kqemu_time, kqemu_time_start;
1140 5f1ce948 bellard
extern int64_t qemu_time, qemu_time_start;
1141 5f1ce948 bellard
extern int64_t tlb_flush_time;
1142 5f1ce948 bellard
extern int64_t kqemu_exec_count;
1143 5f1ce948 bellard
extern int64_t dev_time;
1144 5f1ce948 bellard
extern int64_t kqemu_ret_int_count;
1145 5f1ce948 bellard
extern int64_t kqemu_ret_excp_count;
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extern int64_t kqemu_ret_intr_count;
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#endif
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#endif /* CPU_ALL_H */