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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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#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(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(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(void *ptr) |
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{ |
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#ifdef __powerpc__
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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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#elif defined(__sparc__)
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#ifndef ASI_PRIMARY_LITTLE
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#define ASI_PRIMARY_LITTLE 0x88 |
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#endif
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int val;
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__asm__ __volatile__ ("lduha [%1] %2, %0" : "=r" (val) : "r" (ptr), |
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"i" (ASI_PRIMARY_LITTLE));
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return val;
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#else
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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(void *ptr) |
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{ |
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#ifdef __powerpc__
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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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#elif defined(__sparc__)
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int val;
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__asm__ __volatile__ ("ldsha [%1] %2, %0" : "=r" (val) : "r" (ptr), |
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"i" (ASI_PRIMARY_LITTLE));
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return val;
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#else
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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(void *ptr) |
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{ |
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#ifdef __powerpc__
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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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#elif defined(__sparc__)
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int val;
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__asm__ __volatile__ ("lduwa [%1] %2, %0" : "=r" (val) : "r" (ptr), |
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"i" (ASI_PRIMARY_LITTLE));
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return val;
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#else
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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(void *ptr) |
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{ |
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#if defined(__sparc__)
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uint64_t val; |
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__asm__ __volatile__ ("ldxa [%1] %2, %0" : "=r" (val) : "r" (ptr), |
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"i" (ASI_PRIMARY_LITTLE));
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return val;
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#else
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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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#endif
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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 __powerpc__
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__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); |
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#elif defined(__sparc__)
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__asm__ __volatile__ ("stha %1, [%2] %3" : "=m" (*(uint16_t *)ptr) : "r" (v), |
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"r" (ptr), "i" (ASI_PRIMARY_LITTLE)); |
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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 __powerpc__
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__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); |
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#elif defined(__sparc__)
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__asm__ __volatile__ ("stwa %1, [%2] %3" : "=m" (*(uint32_t *)ptr) : "r" (v), |
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"r" (ptr), "i" (ASI_PRIMARY_LITTLE)); |
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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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#if defined(__sparc__)
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__asm__ __volatile__ ("stxa %1, [%2] %3" : "=m" (*(uint64_t *)ptr) : "r" (v), |
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"r" (ptr), "i" (ASI_PRIMARY_LITTLE)); |
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#undef ASI_PRIMARY_LITTLE
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#else
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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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#endif
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} |
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/* float access */
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static inline float32 ldfl_le_p(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(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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} |
381 |
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#else
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static inline int lduw_le_p(void *ptr) |
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{ |
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return *(uint16_t *)ptr;
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} |
388 |
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static inline int ldsw_le_p(void *ptr) |
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{ |
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return *(int16_t *)ptr;
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} |
393 |
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static inline int ldl_le_p(void *ptr) |
395 |
{ |
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return *(uint32_t *)ptr;
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} |
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static inline uint64_t ldq_le_p(void *ptr) |
400 |
{ |
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return *(uint64_t *)ptr;
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} |
403 |
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static inline void stw_le_p(void *ptr, int v) |
405 |
{ |
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*(uint16_t *)ptr = v; |
407 |
} |
408 |
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static inline void stl_le_p(void *ptr, int v) |
410 |
{ |
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*(uint32_t *)ptr = v; |
412 |
} |
413 |
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static inline void stq_le_p(void *ptr, uint64_t v) |
415 |
{ |
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*(uint64_t *)ptr = v; |
417 |
} |
418 |
|
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/* float access */
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420 |
|
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static inline float32 ldfl_le_p(void *ptr) |
422 |
{ |
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return *(float32 *)ptr;
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} |
425 |
|
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static inline float64 ldfq_le_p(void *ptr) |
427 |
{ |
428 |
return *(float64 *)ptr;
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} |
430 |
|
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static inline void stfl_le_p(void *ptr, float32 v) |
432 |
{ |
433 |
*(float32 *)ptr = v; |
434 |
} |
435 |
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static inline void stfq_le_p(void *ptr, float64 v) |
437 |
{ |
438 |
*(float64 *)ptr = v; |
439 |
} |
440 |
#endif
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|
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#if !defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
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443 |
|
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static inline int lduw_be_p(void *ptr) |
445 |
{ |
446 |
#if defined(__i386__)
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447 |
int val;
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asm volatile ("movzwl %1, %0\n" |
449 |
"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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uint8_t *b = (uint8_t *) ptr; |
455 |
return ((b[0] << 8) | b[1]); |
456 |
#endif
|
457 |
} |
458 |
|
459 |
static inline int ldsw_be_p(void *ptr) |
460 |
{ |
461 |
#if defined(__i386__)
|
462 |
int val;
|
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asm volatile ("movzwl %1, %0\n" |
464 |
"xchgb %b0, %h0\n"
|
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: "=q" (val)
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: "m" (*(uint16_t *)ptr));
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return (int16_t)val;
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468 |
#else
|
469 |
uint8_t *b = (uint8_t *) ptr; |
470 |
return (int16_t)((b[0] << 8) | b[1]); |
471 |
#endif
|
472 |
} |
473 |
|
474 |
static inline int ldl_be_p(void *ptr) |
475 |
{ |
476 |
#if defined(__i386__) || defined(__x86_64__)
|
477 |
int val;
|
478 |
asm volatile ("movl %1, %0\n" |
479 |
"bswap %0\n"
|
480 |
: "=r" (val)
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481 |
: "m" (*(uint32_t *)ptr));
|
482 |
return val;
|
483 |
#else
|
484 |
uint8_t *b = (uint8_t *) ptr; |
485 |
return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]; |
486 |
#endif
|
487 |
} |
488 |
|
489 |
static inline uint64_t ldq_be_p(void *ptr) |
490 |
{ |
491 |
uint32_t a,b; |
492 |
a = ldl_be_p(ptr); |
493 |
b = ldl_be_p((uint8_t *)ptr + 4);
|
494 |
return (((uint64_t)a<<32)|b); |
495 |
} |
496 |
|
497 |
static inline void stw_be_p(void *ptr, int v) |
498 |
{ |
499 |
#if defined(__i386__)
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asm volatile ("xchgb %b0, %h0\n" |
501 |
"movw %w0, %1\n"
|
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: "=q" (v)
|
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: "m" (*(uint16_t *)ptr), "0" (v)); |
504 |
#else
|
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uint8_t *d = (uint8_t *) ptr; |
506 |
d[0] = v >> 8; |
507 |
d[1] = v;
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#endif
|
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} |
510 |
|
511 |
static inline void stl_be_p(void *ptr, int v) |
512 |
{ |
513 |
#if defined(__i386__) || defined(__x86_64__)
|
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asm volatile ("bswap %0\n" |
515 |
"movl %0, %1\n"
|
516 |
: "=r" (v)
|
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: "m" (*(uint32_t *)ptr), "0" (v)); |
518 |
#else
|
519 |
uint8_t *d = (uint8_t *) ptr; |
520 |
d[0] = v >> 24; |
521 |
d[1] = v >> 16; |
522 |
d[2] = v >> 8; |
523 |
d[3] = v;
|
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#endif
|
525 |
} |
526 |
|
527 |
static inline void stq_be_p(void *ptr, uint64_t v) |
528 |
{ |
529 |
stl_be_p(ptr, v >> 32);
|
530 |
stl_be_p((uint8_t *)ptr + 4, v);
|
531 |
} |
532 |
|
533 |
/* float access */
|
534 |
|
535 |
static inline float32 ldfl_be_p(void *ptr) |
536 |
{ |
537 |
union {
|
538 |
float32 f; |
539 |
uint32_t i; |
540 |
} u; |
541 |
u.i = ldl_be_p(ptr); |
542 |
return u.f;
|
543 |
} |
544 |
|
545 |
static inline void stfl_be_p(void *ptr, float32 v) |
546 |
{ |
547 |
union {
|
548 |
float32 f; |
549 |
uint32_t i; |
550 |
} u; |
551 |
u.f = v; |
552 |
stl_be_p(ptr, u.i); |
553 |
} |
554 |
|
555 |
static inline float64 ldfq_be_p(void *ptr) |
556 |
{ |
557 |
CPU_DoubleU u; |
558 |
u.l.upper = ldl_be_p(ptr); |
559 |
u.l.lower = ldl_be_p((uint8_t *)ptr + 4);
|
560 |
return u.d;
|
561 |
} |
562 |
|
563 |
static inline void stfq_be_p(void *ptr, float64 v) |
564 |
{ |
565 |
CPU_DoubleU u; |
566 |
u.d = v; |
567 |
stl_be_p(ptr, u.l.upper); |
568 |
stl_be_p((uint8_t *)ptr + 4, u.l.lower);
|
569 |
} |
570 |
|
571 |
#else
|
572 |
|
573 |
static inline int lduw_be_p(void *ptr) |
574 |
{ |
575 |
return *(uint16_t *)ptr;
|
576 |
} |
577 |
|
578 |
static inline int ldsw_be_p(void *ptr) |
579 |
{ |
580 |
return *(int16_t *)ptr;
|
581 |
} |
582 |
|
583 |
static inline int ldl_be_p(void *ptr) |
584 |
{ |
585 |
return *(uint32_t *)ptr;
|
586 |
} |
587 |
|
588 |
static inline uint64_t ldq_be_p(void *ptr) |
589 |
{ |
590 |
return *(uint64_t *)ptr;
|
591 |
} |
592 |
|
593 |
static inline void stw_be_p(void *ptr, int v) |
594 |
{ |
595 |
*(uint16_t *)ptr = v; |
596 |
} |
597 |
|
598 |
static inline void stl_be_p(void *ptr, int v) |
599 |
{ |
600 |
*(uint32_t *)ptr = v; |
601 |
} |
602 |
|
603 |
static inline void stq_be_p(void *ptr, uint64_t v) |
604 |
{ |
605 |
*(uint64_t *)ptr = v; |
606 |
} |
607 |
|
608 |
/* float access */
|
609 |
|
610 |
static inline float32 ldfl_be_p(void *ptr) |
611 |
{ |
612 |
return *(float32 *)ptr;
|
613 |
} |
614 |
|
615 |
static inline float64 ldfq_be_p(void *ptr) |
616 |
{ |
617 |
return *(float64 *)ptr;
|
618 |
} |
619 |
|
620 |
static inline void stfl_be_p(void *ptr, float32 v) |
621 |
{ |
622 |
*(float32 *)ptr = v; |
623 |
} |
624 |
|
625 |
static inline void stfq_be_p(void *ptr, float64 v) |
626 |
{ |
627 |
*(float64 *)ptr = v; |
628 |
} |
629 |
|
630 |
#endif
|
631 |
|
632 |
/* target CPU memory access functions */
|
633 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
634 |
#define lduw_p(p) lduw_be_p(p)
|
635 |
#define ldsw_p(p) ldsw_be_p(p)
|
636 |
#define ldl_p(p) ldl_be_p(p)
|
637 |
#define ldq_p(p) ldq_be_p(p)
|
638 |
#define ldfl_p(p) ldfl_be_p(p)
|
639 |
#define ldfq_p(p) ldfq_be_p(p)
|
640 |
#define stw_p(p, v) stw_be_p(p, v)
|
641 |
#define stl_p(p, v) stl_be_p(p, v)
|
642 |
#define stq_p(p, v) stq_be_p(p, v)
|
643 |
#define stfl_p(p, v) stfl_be_p(p, v)
|
644 |
#define stfq_p(p, v) stfq_be_p(p, v)
|
645 |
#else
|
646 |
#define lduw_p(p) lduw_le_p(p)
|
647 |
#define ldsw_p(p) ldsw_le_p(p)
|
648 |
#define ldl_p(p) ldl_le_p(p)
|
649 |
#define ldq_p(p) ldq_le_p(p)
|
650 |
#define ldfl_p(p) ldfl_le_p(p)
|
651 |
#define ldfq_p(p) ldfq_le_p(p)
|
652 |
#define stw_p(p, v) stw_le_p(p, v)
|
653 |
#define stl_p(p, v) stl_le_p(p, v)
|
654 |
#define stq_p(p, v) stq_le_p(p, v)
|
655 |
#define stfl_p(p, v) stfl_le_p(p, v)
|
656 |
#define stfq_p(p, v) stfq_le_p(p, v)
|
657 |
#endif
|
658 |
|
659 |
/* MMU memory access macros */
|
660 |
|
661 |
#if defined(CONFIG_USER_ONLY)
|
662 |
/* On some host systems the guest address space is reserved on the host.
|
663 |
* This allows the guest address space to be offset to a convenient location.
|
664 |
*/
|
665 |
//#define GUEST_BASE 0x20000000
|
666 |
#define GUEST_BASE 0 |
667 |
|
668 |
/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
|
669 |
#define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE)) |
670 |
#define h2g(x) ((target_ulong)((unsigned long)(x) - GUEST_BASE)) |
671 |
|
672 |
#define saddr(x) g2h(x)
|
673 |
#define laddr(x) g2h(x)
|
674 |
|
675 |
#else /* !CONFIG_USER_ONLY */ |
676 |
/* NOTE: we use double casts if pointers and target_ulong have
|
677 |
different sizes */
|
678 |
#define saddr(x) (uint8_t *)(long)(x) |
679 |
#define laddr(x) (uint8_t *)(long)(x) |
680 |
#endif
|
681 |
|
682 |
#define ldub_raw(p) ldub_p(laddr((p)))
|
683 |
#define ldsb_raw(p) ldsb_p(laddr((p)))
|
684 |
#define lduw_raw(p) lduw_p(laddr((p)))
|
685 |
#define ldsw_raw(p) ldsw_p(laddr((p)))
|
686 |
#define ldl_raw(p) ldl_p(laddr((p)))
|
687 |
#define ldq_raw(p) ldq_p(laddr((p)))
|
688 |
#define ldfl_raw(p) ldfl_p(laddr((p)))
|
689 |
#define ldfq_raw(p) ldfq_p(laddr((p)))
|
690 |
#define stb_raw(p, v) stb_p(saddr((p)), v)
|
691 |
#define stw_raw(p, v) stw_p(saddr((p)), v)
|
692 |
#define stl_raw(p, v) stl_p(saddr((p)), v)
|
693 |
#define stq_raw(p, v) stq_p(saddr((p)), v)
|
694 |
#define stfl_raw(p, v) stfl_p(saddr((p)), v)
|
695 |
#define stfq_raw(p, v) stfq_p(saddr((p)), v)
|
696 |
|
697 |
|
698 |
#if defined(CONFIG_USER_ONLY)
|
699 |
|
700 |
/* if user mode, no other memory access functions */
|
701 |
#define ldub(p) ldub_raw(p)
|
702 |
#define ldsb(p) ldsb_raw(p)
|
703 |
#define lduw(p) lduw_raw(p)
|
704 |
#define ldsw(p) ldsw_raw(p)
|
705 |
#define ldl(p) ldl_raw(p)
|
706 |
#define ldq(p) ldq_raw(p)
|
707 |
#define ldfl(p) ldfl_raw(p)
|
708 |
#define ldfq(p) ldfq_raw(p)
|
709 |
#define stb(p, v) stb_raw(p, v)
|
710 |
#define stw(p, v) stw_raw(p, v)
|
711 |
#define stl(p, v) stl_raw(p, v)
|
712 |
#define stq(p, v) stq_raw(p, v)
|
713 |
#define stfl(p, v) stfl_raw(p, v)
|
714 |
#define stfq(p, v) stfq_raw(p, v)
|
715 |
|
716 |
#define ldub_code(p) ldub_raw(p)
|
717 |
#define ldsb_code(p) ldsb_raw(p)
|
718 |
#define lduw_code(p) lduw_raw(p)
|
719 |
#define ldsw_code(p) ldsw_raw(p)
|
720 |
#define ldl_code(p) ldl_raw(p)
|
721 |
#define ldq_code(p) ldq_raw(p)
|
722 |
|
723 |
#define ldub_kernel(p) ldub_raw(p)
|
724 |
#define ldsb_kernel(p) ldsb_raw(p)
|
725 |
#define lduw_kernel(p) lduw_raw(p)
|
726 |
#define ldsw_kernel(p) ldsw_raw(p)
|
727 |
#define ldl_kernel(p) ldl_raw(p)
|
728 |
#define ldq_kernel(p) ldq_raw(p)
|
729 |
#define ldfl_kernel(p) ldfl_raw(p)
|
730 |
#define ldfq_kernel(p) ldfq_raw(p)
|
731 |
#define stb_kernel(p, v) stb_raw(p, v)
|
732 |
#define stw_kernel(p, v) stw_raw(p, v)
|
733 |
#define stl_kernel(p, v) stl_raw(p, v)
|
734 |
#define stq_kernel(p, v) stq_raw(p, v)
|
735 |
#define stfl_kernel(p, v) stfl_raw(p, v)
|
736 |
#define stfq_kernel(p, vt) stfq_raw(p, v)
|
737 |
|
738 |
#endif /* defined(CONFIG_USER_ONLY) */ |
739 |
|
740 |
/* page related stuff */
|
741 |
|
742 |
#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) |
743 |
#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) |
744 |
#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) |
745 |
|
746 |
/* ??? These should be the larger of unsigned long and target_ulong. */
|
747 |
extern unsigned long qemu_real_host_page_size; |
748 |
extern unsigned long qemu_host_page_bits; |
749 |
extern unsigned long qemu_host_page_size; |
750 |
extern unsigned long qemu_host_page_mask; |
751 |
|
752 |
#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask) |
753 |
|
754 |
/* same as PROT_xxx */
|
755 |
#define PAGE_READ 0x0001 |
756 |
#define PAGE_WRITE 0x0002 |
757 |
#define PAGE_EXEC 0x0004 |
758 |
#define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC)
|
759 |
#define PAGE_VALID 0x0008 |
760 |
/* original state of the write flag (used when tracking self-modifying
|
761 |
code */
|
762 |
#define PAGE_WRITE_ORG 0x0010 |
763 |
#define PAGE_RESERVED 0x0020 |
764 |
|
765 |
void page_dump(FILE *f);
|
766 |
int page_get_flags(target_ulong address);
|
767 |
void page_set_flags(target_ulong start, target_ulong end, int flags); |
768 |
int page_check_range(target_ulong start, target_ulong len, int flags); |
769 |
|
770 |
void cpu_exec_init_all(unsigned long tb_size); |
771 |
CPUState *cpu_copy(CPUState *env); |
772 |
|
773 |
void cpu_dump_state(CPUState *env, FILE *f,
|
774 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
775 |
int flags);
|
776 |
void cpu_dump_statistics (CPUState *env, FILE *f,
|
777 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
778 |
int flags);
|
779 |
|
780 |
void cpu_abort(CPUState *env, const char *fmt, ...) |
781 |
__attribute__ ((__format__ (__printf__, 2, 3))) |
782 |
__attribute__ ((__noreturn__)); |
783 |
extern CPUState *first_cpu;
|
784 |
extern CPUState *cpu_single_env;
|
785 |
extern int64_t qemu_icount;
|
786 |
extern int use_icount; |
787 |
|
788 |
#define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */ |
789 |
#define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ |
790 |
#define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */ |
791 |
#define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */ |
792 |
#define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */ |
793 |
#define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */ |
794 |
#define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */ |
795 |
#define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */ |
796 |
#define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */ |
797 |
#define CPU_INTERRUPT_NMI 0x200 /* NMI pending. */ |
798 |
|
799 |
void cpu_interrupt(CPUState *s, int mask); |
800 |
void cpu_reset_interrupt(CPUState *env, int mask); |
801 |
|
802 |
int cpu_watchpoint_insert(CPUState *env, target_ulong addr, int type); |
803 |
int cpu_watchpoint_remove(CPUState *env, target_ulong addr);
|
804 |
void cpu_watchpoint_remove_all(CPUState *env);
|
805 |
int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
|
806 |
int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
|
807 |
void cpu_breakpoint_remove_all(CPUState *env);
|
808 |
|
809 |
#define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */ |
810 |
#define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */ |
811 |
#define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */ |
812 |
|
813 |
void cpu_single_step(CPUState *env, int enabled); |
814 |
void cpu_reset(CPUState *s);
|
815 |
|
816 |
/* Return the physical page corresponding to a virtual one. Use it
|
817 |
only for debugging because no protection checks are done. Return -1
|
818 |
if no page found. */
|
819 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr); |
820 |
|
821 |
#define CPU_LOG_TB_OUT_ASM (1 << 0) |
822 |
#define CPU_LOG_TB_IN_ASM (1 << 1) |
823 |
#define CPU_LOG_TB_OP (1 << 2) |
824 |
#define CPU_LOG_TB_OP_OPT (1 << 3) |
825 |
#define CPU_LOG_INT (1 << 4) |
826 |
#define CPU_LOG_EXEC (1 << 5) |
827 |
#define CPU_LOG_PCALL (1 << 6) |
828 |
#define CPU_LOG_IOPORT (1 << 7) |
829 |
#define CPU_LOG_TB_CPU (1 << 8) |
830 |
|
831 |
/* define log items */
|
832 |
typedef struct CPULogItem { |
833 |
int mask;
|
834 |
const char *name; |
835 |
const char *help; |
836 |
} CPULogItem; |
837 |
|
838 |
extern CPULogItem cpu_log_items[];
|
839 |
|
840 |
void cpu_set_log(int log_flags); |
841 |
void cpu_set_log_filename(const char *filename); |
842 |
int cpu_str_to_log_mask(const char *str); |
843 |
|
844 |
/* IO ports API */
|
845 |
|
846 |
/* NOTE: as these functions may be even used when there is an isa
|
847 |
brige on non x86 targets, we always defined them */
|
848 |
#ifndef NO_CPU_IO_DEFS
|
849 |
void cpu_outb(CPUState *env, int addr, int val); |
850 |
void cpu_outw(CPUState *env, int addr, int val); |
851 |
void cpu_outl(CPUState *env, int addr, int val); |
852 |
int cpu_inb(CPUState *env, int addr); |
853 |
int cpu_inw(CPUState *env, int addr); |
854 |
int cpu_inl(CPUState *env, int addr); |
855 |
#endif
|
856 |
|
857 |
/* address in the RAM (different from a physical address) */
|
858 |
#ifdef USE_KQEMU
|
859 |
typedef uint32_t ram_addr_t;
|
860 |
#else
|
861 |
typedef unsigned long ram_addr_t; |
862 |
#endif
|
863 |
|
864 |
/* memory API */
|
865 |
|
866 |
extern ram_addr_t phys_ram_size;
|
867 |
extern int phys_ram_fd; |
868 |
extern uint8_t *phys_ram_base;
|
869 |
extern uint8_t *phys_ram_dirty;
|
870 |
extern ram_addr_t ram_size;
|
871 |
|
872 |
/* physical memory access */
|
873 |
|
874 |
/* MMIO pages are identified by a combination of an IO device index and
|
875 |
3 flags. The ROMD code stores the page ram offset in iotlb entry,
|
876 |
so only a limited number of ids are avaiable. */
|
877 |
|
878 |
#define IO_MEM_SHIFT 3 |
879 |
#define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT)) |
880 |
|
881 |
#define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ |
882 |
#define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ |
883 |
#define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) |
884 |
#define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT) |
885 |
|
886 |
/* Acts like a ROM when read and like a device when written. */
|
887 |
#define IO_MEM_ROMD (1) |
888 |
#define IO_MEM_SUBPAGE (2) |
889 |
#define IO_MEM_SUBWIDTH (4) |
890 |
|
891 |
/* Flags stored in the low bits of the TLB virtual address. These are
|
892 |
defined so that fast path ram access is all zeros. */
|
893 |
/* Zero if TLB entry is valid. */
|
894 |
#define TLB_INVALID_MASK (1 << 3) |
895 |
/* Set if TLB entry references a clean RAM page. The iotlb entry will
|
896 |
contain the page physical address. */
|
897 |
#define TLB_NOTDIRTY (1 << 4) |
898 |
/* Set if TLB entry is an IO callback. */
|
899 |
#define TLB_MMIO (1 << 5) |
900 |
|
901 |
typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value); |
902 |
typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr); |
903 |
|
904 |
void cpu_register_physical_memory(target_phys_addr_t start_addr,
|
905 |
ram_addr_t size, |
906 |
ram_addr_t phys_offset); |
907 |
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr); |
908 |
ram_addr_t qemu_ram_alloc(ram_addr_t); |
909 |
void qemu_ram_free(ram_addr_t addr);
|
910 |
int cpu_register_io_memory(int io_index, |
911 |
CPUReadMemoryFunc **mem_read, |
912 |
CPUWriteMemoryFunc **mem_write, |
913 |
void *opaque);
|
914 |
CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index);
|
915 |
CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index);
|
916 |
|
917 |
void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
918 |
int len, int is_write); |
919 |
static inline void cpu_physical_memory_read(target_phys_addr_t addr, |
920 |
uint8_t *buf, int len)
|
921 |
{ |
922 |
cpu_physical_memory_rw(addr, buf, len, 0);
|
923 |
} |
924 |
static inline void cpu_physical_memory_write(target_phys_addr_t addr, |
925 |
const uint8_t *buf, int len) |
926 |
{ |
927 |
cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
|
928 |
} |
929 |
uint32_t ldub_phys(target_phys_addr_t addr); |
930 |
uint32_t lduw_phys(target_phys_addr_t addr); |
931 |
uint32_t ldl_phys(target_phys_addr_t addr); |
932 |
uint64_t ldq_phys(target_phys_addr_t addr); |
933 |
void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
|
934 |
void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
|
935 |
void stb_phys(target_phys_addr_t addr, uint32_t val);
|
936 |
void stw_phys(target_phys_addr_t addr, uint32_t val);
|
937 |
void stl_phys(target_phys_addr_t addr, uint32_t val);
|
938 |
void stq_phys(target_phys_addr_t addr, uint64_t val);
|
939 |
|
940 |
void cpu_physical_memory_write_rom(target_phys_addr_t addr,
|
941 |
const uint8_t *buf, int len); |
942 |
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
|
943 |
uint8_t *buf, int len, int is_write); |
944 |
|
945 |
#define VGA_DIRTY_FLAG 0x01 |
946 |
#define CODE_DIRTY_FLAG 0x02 |
947 |
|
948 |
/* read dirty bit (return 0 or 1) */
|
949 |
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) |
950 |
{ |
951 |
return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff; |
952 |
} |
953 |
|
954 |
static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, |
955 |
int dirty_flags)
|
956 |
{ |
957 |
return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
|
958 |
} |
959 |
|
960 |
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |
961 |
{ |
962 |
phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
|
963 |
} |
964 |
|
965 |
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
|
966 |
int dirty_flags);
|
967 |
void cpu_tlb_update_dirty(CPUState *env);
|
968 |
|
969 |
void dump_exec_info(FILE *f,
|
970 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
971 |
|
972 |
/*******************************************/
|
973 |
/* host CPU ticks (if available) */
|
974 |
|
975 |
#if defined(__powerpc__)
|
976 |
|
977 |
static inline uint32_t get_tbl(void) |
978 |
{ |
979 |
uint32_t tbl; |
980 |
asm volatile("mftb %0" : "=r" (tbl)); |
981 |
return tbl;
|
982 |
} |
983 |
|
984 |
static inline uint32_t get_tbu(void) |
985 |
{ |
986 |
uint32_t tbl; |
987 |
asm volatile("mftbu %0" : "=r" (tbl)); |
988 |
return tbl;
|
989 |
} |
990 |
|
991 |
static inline int64_t cpu_get_real_ticks(void) |
992 |
{ |
993 |
uint32_t l, h, h1; |
994 |
/* NOTE: we test if wrapping has occurred */
|
995 |
do {
|
996 |
h = get_tbu(); |
997 |
l = get_tbl(); |
998 |
h1 = get_tbu(); |
999 |
} while (h != h1);
|
1000 |
return ((int64_t)h << 32) | l; |
1001 |
} |
1002 |
|
1003 |
#elif defined(__i386__)
|
1004 |
|
1005 |
static inline int64_t cpu_get_real_ticks(void) |
1006 |
{ |
1007 |
int64_t val; |
1008 |
asm volatile ("rdtsc" : "=A" (val)); |
1009 |
return val;
|
1010 |
} |
1011 |
|
1012 |
#elif defined(__x86_64__)
|
1013 |
|
1014 |
static inline int64_t cpu_get_real_ticks(void) |
1015 |
{ |
1016 |
uint32_t low,high; |
1017 |
int64_t val; |
1018 |
asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
1019 |
val = high; |
1020 |
val <<= 32;
|
1021 |
val |= low; |
1022 |
return val;
|
1023 |
} |
1024 |
|
1025 |
#elif defined(__hppa__)
|
1026 |
|
1027 |
static inline int64_t cpu_get_real_ticks(void) |
1028 |
{ |
1029 |
int val;
|
1030 |
asm volatile ("mfctl %%cr16, %0" : "=r"(val)); |
1031 |
return val;
|
1032 |
} |
1033 |
|
1034 |
#elif defined(__ia64)
|
1035 |
|
1036 |
static inline int64_t cpu_get_real_ticks(void) |
1037 |
{ |
1038 |
int64_t val; |
1039 |
asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); |
1040 |
return val;
|
1041 |
} |
1042 |
|
1043 |
#elif defined(__s390__)
|
1044 |
|
1045 |
static inline int64_t cpu_get_real_ticks(void) |
1046 |
{ |
1047 |
int64_t val; |
1048 |
asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); |
1049 |
return val;
|
1050 |
} |
1051 |
|
1052 |
#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__)
|
1053 |
|
1054 |
static inline int64_t cpu_get_real_ticks (void) |
1055 |
{ |
1056 |
#if defined(_LP64)
|
1057 |
uint64_t rval; |
1058 |
asm volatile("rd %%tick,%0" : "=r"(rval)); |
1059 |
return rval;
|
1060 |
#else
|
1061 |
union {
|
1062 |
uint64_t i64; |
1063 |
struct {
|
1064 |
uint32_t high; |
1065 |
uint32_t low; |
1066 |
} i32; |
1067 |
} rval; |
1068 |
asm volatile("rd %%tick,%1; srlx %1,32,%0" |
1069 |
: "=r"(rval.i32.high), "=r"(rval.i32.low)); |
1070 |
return rval.i64;
|
1071 |
#endif
|
1072 |
} |
1073 |
|
1074 |
#elif defined(__mips__)
|
1075 |
|
1076 |
static inline int64_t cpu_get_real_ticks(void) |
1077 |
{ |
1078 |
#if __mips_isa_rev >= 2 |
1079 |
uint32_t count; |
1080 |
static uint32_t cyc_per_count = 0; |
1081 |
|
1082 |
if (!cyc_per_count)
|
1083 |
__asm__ __volatile__("rdhwr %0, $3" : "=r" (cyc_per_count)); |
1084 |
|
1085 |
__asm__ __volatile__("rdhwr %1, $2" : "=r" (count)); |
1086 |
return (int64_t)(count * cyc_per_count);
|
1087 |
#else
|
1088 |
/* FIXME */
|
1089 |
static int64_t ticks = 0; |
1090 |
return ticks++;
|
1091 |
#endif
|
1092 |
} |
1093 |
|
1094 |
#else
|
1095 |
/* The host CPU doesn't have an easily accessible cycle counter.
|
1096 |
Just return a monotonically increasing value. This will be
|
1097 |
totally wrong, but hopefully better than nothing. */
|
1098 |
static inline int64_t cpu_get_real_ticks (void) |
1099 |
{ |
1100 |
static int64_t ticks = 0; |
1101 |
return ticks++;
|
1102 |
} |
1103 |
#endif
|
1104 |
|
1105 |
/* profiling */
|
1106 |
#ifdef CONFIG_PROFILER
|
1107 |
static inline int64_t profile_getclock(void) |
1108 |
{ |
1109 |
return cpu_get_real_ticks();
|
1110 |
} |
1111 |
|
1112 |
extern int64_t kqemu_time, kqemu_time_start;
|
1113 |
extern int64_t qemu_time, qemu_time_start;
|
1114 |
extern int64_t tlb_flush_time;
|
1115 |
extern int64_t kqemu_exec_count;
|
1116 |
extern int64_t dev_time;
|
1117 |
extern int64_t kqemu_ret_int_count;
|
1118 |
extern int64_t kqemu_ret_excp_count;
|
1119 |
extern int64_t kqemu_ret_intr_count;
|
1120 |
#endif
|
1121 |
|
1122 |
#endif /* CPU_ALL_H */ |