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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, see <http://www.gnu.org/licenses/>.
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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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#include "cpu-common.h" |
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|
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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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* HOST_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 "softfloat.h" |
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#if defined(HOST_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(HOST_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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#if defined(FLOATX80)
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typedef union { |
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floatx80 d; |
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struct {
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uint64_t lower; |
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uint16_t upper; |
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} l; |
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} CPU_LDoubleU; |
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#endif
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#if defined(CONFIG_SOFTFLOAT)
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typedef union { |
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float128 q; |
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#if defined(HOST_WORDS_BIGENDIAN)
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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(HOST_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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|
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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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|
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#else
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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/* float access */
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|
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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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|
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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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|
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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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} |
| 403 |
|
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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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|
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#if !defined(HOST_WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
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|
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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]); |
| 424 |
#endif
|
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} |
| 426 |
|
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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;
|
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asm volatile ("movzwl %1, %0\n" |
| 432 |
"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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#else
|
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const uint8_t *b = ptr;
|
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return (int16_t)((b[0] << 8) | b[1]); |
| 439 |
#endif
|
| 440 |
} |
| 441 |
|
| 442 |
static inline int ldl_be_p(const void *ptr) |
| 443 |
{
|
| 444 |
#if defined(__i386__) || defined(__x86_64__)
|
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int val;
|
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asm volatile ("movl %1, %0\n" |
| 447 |
"bswap %0\n"
|
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: "=r" (val)
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: "m" (*(uint32_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] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]; |
| 454 |
#endif
|
| 455 |
} |
| 456 |
|
| 457 |
static inline uint64_t ldq_be_p(const void *ptr) |
| 458 |
{
|
| 459 |
uint32_t a,b; |
| 460 |
a = ldl_be_p(ptr); |
| 461 |
b = ldl_be_p((uint8_t *)ptr + 4);
|
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return (((uint64_t)a<<32)|b); |
| 463 |
} |
| 464 |
|
| 465 |
static inline void stw_be_p(void *ptr, int v) |
| 466 |
{
|
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#if defined(__i386__)
|
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asm volatile ("xchgb %b0, %h0\n" |
| 469 |
"movw %w0, %1\n"
|
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: "=q" (v)
|
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: "m" (*(uint16_t *)ptr), "0" (v)); |
| 472 |
#else
|
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uint8_t *d = (uint8_t *) ptr; |
| 474 |
d[0] = v >> 8; |
| 475 |
d[1] = v;
|
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#endif
|
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} |
| 478 |
|
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static inline void stl_be_p(void *ptr, int v) |
| 480 |
{
|
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#if defined(__i386__) || defined(__x86_64__)
|
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asm volatile ("bswap %0\n" |
| 483 |
"movl %0, %1\n"
|
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: "=r" (v)
|
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: "m" (*(uint32_t *)ptr), "0" (v)); |
| 486 |
#else
|
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uint8_t *d = (uint8_t *) ptr; |
| 488 |
d[0] = v >> 24; |
| 489 |
d[1] = v >> 16; |
| 490 |
d[2] = v >> 8; |
| 491 |
d[3] = v;
|
| 492 |
#endif
|
| 493 |
} |
| 494 |
|
| 495 |
static inline void stq_be_p(void *ptr, uint64_t v) |
| 496 |
{
|
| 497 |
stl_be_p(ptr, v >> 32);
|
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stl_be_p((uint8_t *)ptr + 4, v);
|
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} |
| 500 |
|
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/* float access */
|
| 502 |
|
| 503 |
static inline float32 ldfl_be_p(const void *ptr) |
| 504 |
{
|
| 505 |
union {
|
| 506 |
float32 f; |
| 507 |
uint32_t i; |
| 508 |
} u; |
| 509 |
u.i = ldl_be_p(ptr); |
| 510 |
return u.f;
|
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} |
| 512 |
|
| 513 |
static inline void stfl_be_p(void *ptr, float32 v) |
| 514 |
{
|
| 515 |
union {
|
| 516 |
float32 f; |
| 517 |
uint32_t i; |
| 518 |
} u; |
| 519 |
u.f = v; |
| 520 |
stl_be_p(ptr, u.i); |
| 521 |
} |
| 522 |
|
| 523 |
static inline float64 ldfq_be_p(const void *ptr) |
| 524 |
{
|
| 525 |
CPU_DoubleU u; |
| 526 |
u.l.upper = ldl_be_p(ptr); |
| 527 |
u.l.lower = ldl_be_p((uint8_t *)ptr + 4);
|
| 528 |
return u.d;
|
| 529 |
} |
| 530 |
|
| 531 |
static inline void stfq_be_p(void *ptr, float64 v) |
| 532 |
{
|
| 533 |
CPU_DoubleU u; |
| 534 |
u.d = v; |
| 535 |
stl_be_p(ptr, u.l.upper); |
| 536 |
stl_be_p((uint8_t *)ptr + 4, u.l.lower);
|
| 537 |
} |
| 538 |
|
| 539 |
#else
|
| 540 |
|
| 541 |
static inline int lduw_be_p(const void *ptr) |
| 542 |
{
|
| 543 |
return *(uint16_t *)ptr;
|
| 544 |
} |
| 545 |
|
| 546 |
static inline int ldsw_be_p(const void *ptr) |
| 547 |
{
|
| 548 |
return *(int16_t *)ptr;
|
| 549 |
} |
| 550 |
|
| 551 |
static inline int ldl_be_p(const void *ptr) |
| 552 |
{
|
| 553 |
return *(uint32_t *)ptr;
|
| 554 |
} |
| 555 |
|
| 556 |
static inline uint64_t ldq_be_p(const void *ptr) |
| 557 |
{
|
| 558 |
return *(uint64_t *)ptr;
|
| 559 |
} |
| 560 |
|
| 561 |
static inline void stw_be_p(void *ptr, int v) |
| 562 |
{
|
| 563 |
*(uint16_t *)ptr = v; |
| 564 |
} |
| 565 |
|
| 566 |
static inline void stl_be_p(void *ptr, int v) |
| 567 |
{
|
| 568 |
*(uint32_t *)ptr = v; |
| 569 |
} |
| 570 |
|
| 571 |
static inline void stq_be_p(void *ptr, uint64_t v) |
| 572 |
{
|
| 573 |
*(uint64_t *)ptr = v; |
| 574 |
} |
| 575 |
|
| 576 |
/* float access */
|
| 577 |
|
| 578 |
static inline float32 ldfl_be_p(const void *ptr) |
| 579 |
{
|
| 580 |
return *(float32 *)ptr;
|
| 581 |
} |
| 582 |
|
| 583 |
static inline float64 ldfq_be_p(const void *ptr) |
| 584 |
{
|
| 585 |
return *(float64 *)ptr;
|
| 586 |
} |
| 587 |
|
| 588 |
static inline void stfl_be_p(void *ptr, float32 v) |
| 589 |
{
|
| 590 |
*(float32 *)ptr = v; |
| 591 |
} |
| 592 |
|
| 593 |
static inline void stfq_be_p(void *ptr, float64 v) |
| 594 |
{
|
| 595 |
*(float64 *)ptr = v; |
| 596 |
} |
| 597 |
|
| 598 |
#endif
|
| 599 |
|
| 600 |
/* target CPU memory access functions */
|
| 601 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
| 602 |
#define lduw_p(p) lduw_be_p(p)
|
| 603 |
#define ldsw_p(p) ldsw_be_p(p)
|
| 604 |
#define ldl_p(p) ldl_be_p(p)
|
| 605 |
#define ldq_p(p) ldq_be_p(p)
|
| 606 |
#define ldfl_p(p) ldfl_be_p(p)
|
| 607 |
#define ldfq_p(p) ldfq_be_p(p)
|
| 608 |
#define stw_p(p, v) stw_be_p(p, v)
|
| 609 |
#define stl_p(p, v) stl_be_p(p, v)
|
| 610 |
#define stq_p(p, v) stq_be_p(p, v)
|
| 611 |
#define stfl_p(p, v) stfl_be_p(p, v)
|
| 612 |
#define stfq_p(p, v) stfq_be_p(p, v)
|
| 613 |
#else
|
| 614 |
#define lduw_p(p) lduw_le_p(p)
|
| 615 |
#define ldsw_p(p) ldsw_le_p(p)
|
| 616 |
#define ldl_p(p) ldl_le_p(p)
|
| 617 |
#define ldq_p(p) ldq_le_p(p)
|
| 618 |
#define ldfl_p(p) ldfl_le_p(p)
|
| 619 |
#define ldfq_p(p) ldfq_le_p(p)
|
| 620 |
#define stw_p(p, v) stw_le_p(p, v)
|
| 621 |
#define stl_p(p, v) stl_le_p(p, v)
|
| 622 |
#define stq_p(p, v) stq_le_p(p, v)
|
| 623 |
#define stfl_p(p, v) stfl_le_p(p, v)
|
| 624 |
#define stfq_p(p, v) stfq_le_p(p, v)
|
| 625 |
#endif
|
| 626 |
|
| 627 |
/* MMU memory access macros */
|
| 628 |
|
| 629 |
#if defined(CONFIG_USER_ONLY)
|
| 630 |
#include <assert.h> |
| 631 |
#include "qemu-types.h" |
| 632 |
|
| 633 |
/* On some host systems the guest address space is reserved on the host.
|
| 634 |
* This allows the guest address space to be offset to a convenient location.
|
| 635 |
*/
|
| 636 |
#if defined(CONFIG_USE_GUEST_BASE)
|
| 637 |
extern unsigned long guest_base; |
| 638 |
extern int have_guest_base; |
| 639 |
extern unsigned long reserved_va; |
| 640 |
#define GUEST_BASE guest_base
|
| 641 |
#define RESERVED_VA reserved_va
|
| 642 |
#else
|
| 643 |
#define GUEST_BASE 0ul |
| 644 |
#define RESERVED_VA 0ul |
| 645 |
#endif
|
| 646 |
|
| 647 |
/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
|
| 648 |
#define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE)) |
| 649 |
|
| 650 |
#if HOST_LONG_BITS <= TARGET_VIRT_ADDR_SPACE_BITS
|
| 651 |
#define h2g_valid(x) 1 |
| 652 |
#else
|
| 653 |
#define h2g_valid(x) ({ \
|
| 654 |
unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \ |
| 655 |
__guest < (1ul << TARGET_VIRT_ADDR_SPACE_BITS); \
|
| 656 |
}) |
| 657 |
#endif
|
| 658 |
|
| 659 |
#define h2g(x) ({ \
|
| 660 |
unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \ |
| 661 |
/* Check if given address fits target address space */ \
|
| 662 |
assert(h2g_valid(x)); \ |
| 663 |
(abi_ulong)__ret; \ |
| 664 |
}) |
| 665 |
|
| 666 |
#define saddr(x) g2h(x)
|
| 667 |
#define laddr(x) g2h(x)
|
| 668 |
|
| 669 |
#else /* !CONFIG_USER_ONLY */ |
| 670 |
/* NOTE: we use double casts if pointers and target_ulong have
|
| 671 |
different sizes */
|
| 672 |
#define saddr(x) (uint8_t *)(long)(x) |
| 673 |
#define laddr(x) (uint8_t *)(long)(x) |
| 674 |
#endif
|
| 675 |
|
| 676 |
#define ldub_raw(p) ldub_p(laddr((p)))
|
| 677 |
#define ldsb_raw(p) ldsb_p(laddr((p)))
|
| 678 |
#define lduw_raw(p) lduw_p(laddr((p)))
|
| 679 |
#define ldsw_raw(p) ldsw_p(laddr((p)))
|
| 680 |
#define ldl_raw(p) ldl_p(laddr((p)))
|
| 681 |
#define ldq_raw(p) ldq_p(laddr((p)))
|
| 682 |
#define ldfl_raw(p) ldfl_p(laddr((p)))
|
| 683 |
#define ldfq_raw(p) ldfq_p(laddr((p)))
|
| 684 |
#define stb_raw(p, v) stb_p(saddr((p)), v)
|
| 685 |
#define stw_raw(p, v) stw_p(saddr((p)), v)
|
| 686 |
#define stl_raw(p, v) stl_p(saddr((p)), v)
|
| 687 |
#define stq_raw(p, v) stq_p(saddr((p)), v)
|
| 688 |
#define stfl_raw(p, v) stfl_p(saddr((p)), v)
|
| 689 |
#define stfq_raw(p, v) stfq_p(saddr((p)), v)
|
| 690 |
|
| 691 |
|
| 692 |
#if defined(CONFIG_USER_ONLY)
|
| 693 |
|
| 694 |
/* if user mode, no other memory access functions */
|
| 695 |
#define ldub(p) ldub_raw(p)
|
| 696 |
#define ldsb(p) ldsb_raw(p)
|
| 697 |
#define lduw(p) lduw_raw(p)
|
| 698 |
#define ldsw(p) ldsw_raw(p)
|
| 699 |
#define ldl(p) ldl_raw(p)
|
| 700 |
#define ldq(p) ldq_raw(p)
|
| 701 |
#define ldfl(p) ldfl_raw(p)
|
| 702 |
#define ldfq(p) ldfq_raw(p)
|
| 703 |
#define stb(p, v) stb_raw(p, v)
|
| 704 |
#define stw(p, v) stw_raw(p, v)
|
| 705 |
#define stl(p, v) stl_raw(p, v)
|
| 706 |
#define stq(p, v) stq_raw(p, v)
|
| 707 |
#define stfl(p, v) stfl_raw(p, v)
|
| 708 |
#define stfq(p, v) stfq_raw(p, v)
|
| 709 |
|
| 710 |
#define ldub_code(p) ldub_raw(p)
|
| 711 |
#define ldsb_code(p) ldsb_raw(p)
|
| 712 |
#define lduw_code(p) lduw_raw(p)
|
| 713 |
#define ldsw_code(p) ldsw_raw(p)
|
| 714 |
#define ldl_code(p) ldl_raw(p)
|
| 715 |
#define ldq_code(p) ldq_raw(p)
|
| 716 |
|
| 717 |
#define ldub_kernel(p) ldub_raw(p)
|
| 718 |
#define ldsb_kernel(p) ldsb_raw(p)
|
| 719 |
#define lduw_kernel(p) lduw_raw(p)
|
| 720 |
#define ldsw_kernel(p) ldsw_raw(p)
|
| 721 |
#define ldl_kernel(p) ldl_raw(p)
|
| 722 |
#define ldq_kernel(p) ldq_raw(p)
|
| 723 |
#define ldfl_kernel(p) ldfl_raw(p)
|
| 724 |
#define ldfq_kernel(p) ldfq_raw(p)
|
| 725 |
#define stb_kernel(p, v) stb_raw(p, v)
|
| 726 |
#define stw_kernel(p, v) stw_raw(p, v)
|
| 727 |
#define stl_kernel(p, v) stl_raw(p, v)
|
| 728 |
#define stq_kernel(p, v) stq_raw(p, v)
|
| 729 |
#define stfl_kernel(p, v) stfl_raw(p, v)
|
| 730 |
#define stfq_kernel(p, vt) stfq_raw(p, v)
|
| 731 |
|
| 732 |
#endif /* defined(CONFIG_USER_ONLY) */ |
| 733 |
|
| 734 |
/* page related stuff */
|
| 735 |
|
| 736 |
#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) |
| 737 |
#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) |
| 738 |
#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) |
| 739 |
|
| 740 |
/* ??? These should be the larger of unsigned long and target_ulong. */
|
| 741 |
extern unsigned long qemu_real_host_page_size; |
| 742 |
extern unsigned long qemu_host_page_bits; |
| 743 |
extern unsigned long qemu_host_page_size; |
| 744 |
extern unsigned long qemu_host_page_mask; |
| 745 |
|
| 746 |
#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask) |
| 747 |
|
| 748 |
/* same as PROT_xxx */
|
| 749 |
#define PAGE_READ 0x0001 |
| 750 |
#define PAGE_WRITE 0x0002 |
| 751 |
#define PAGE_EXEC 0x0004 |
| 752 |
#define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC)
|
| 753 |
#define PAGE_VALID 0x0008 |
| 754 |
/* original state of the write flag (used when tracking self-modifying
|
| 755 |
code */
|
| 756 |
#define PAGE_WRITE_ORG 0x0010 |
| 757 |
#if defined(CONFIG_BSD) && defined(CONFIG_USER_ONLY)
|
| 758 |
/* FIXME: Code that sets/uses this is broken and needs to go away. */
|
| 759 |
#define PAGE_RESERVED 0x0020 |
| 760 |
#endif
|
| 761 |
|
| 762 |
#if defined(CONFIG_USER_ONLY)
|
| 763 |
void page_dump(FILE *f);
|
| 764 |
|
| 765 |
typedef int (*walk_memory_regions_fn)(void *, abi_ulong, |
| 766 |
abi_ulong, unsigned long); |
| 767 |
int walk_memory_regions(void *, walk_memory_regions_fn); |
| 768 |
|
| 769 |
int page_get_flags(target_ulong address);
|
| 770 |
void page_set_flags(target_ulong start, target_ulong end, int flags); |
| 771 |
int page_check_range(target_ulong start, target_ulong len, int flags); |
| 772 |
#endif
|
| 773 |
|
| 774 |
CPUState *cpu_copy(CPUState *env); |
| 775 |
CPUState *qemu_get_cpu(int cpu);
|
| 776 |
|
| 777 |
#define CPU_DUMP_CODE 0x00010000 |
| 778 |
|
| 779 |
void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
|
| 780 |
int flags);
|
| 781 |
void cpu_dump_statistics(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
|
| 782 |
int flags);
|
| 783 |
|
| 784 |
void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...) |
| 785 |
GCC_FMT_ATTR(2, 3); |
| 786 |
extern CPUState *first_cpu;
|
| 787 |
extern CPUState *cpu_single_env;
|
| 788 |
|
| 789 |
/* Flags for use in ENV->INTERRUPT_PENDING.
|
| 790 |
|
| 791 |
The numbers assigned here are non-sequential in order to preserve
|
| 792 |
binary compatibility with the vmstate dump. Bit 0 (0x0001) was
|
| 793 |
previously used for CPU_INTERRUPT_EXIT, and is cleared when loading
|
| 794 |
the vmstate dump. */
|
| 795 |
|
| 796 |
/* External hardware interrupt pending. This is typically used for
|
| 797 |
interrupts from devices. */
|
| 798 |
#define CPU_INTERRUPT_HARD 0x0002 |
| 799 |
|
| 800 |
/* Exit the current TB. This is typically used when some system-level device
|
| 801 |
makes some change to the memory mapping. E.g. the a20 line change. */
|
| 802 |
#define CPU_INTERRUPT_EXITTB 0x0004 |
| 803 |
|
| 804 |
/* Halt the CPU. */
|
| 805 |
#define CPU_INTERRUPT_HALT 0x0020 |
| 806 |
|
| 807 |
/* Debug event pending. */
|
| 808 |
#define CPU_INTERRUPT_DEBUG 0x0080 |
| 809 |
|
| 810 |
/* Several target-specific external hardware interrupts. Each target/cpu.h
|
| 811 |
should define proper names based on these defines. */
|
| 812 |
#define CPU_INTERRUPT_TGT_EXT_0 0x0008 |
| 813 |
#define CPU_INTERRUPT_TGT_EXT_1 0x0010 |
| 814 |
#define CPU_INTERRUPT_TGT_EXT_2 0x0040 |
| 815 |
#define CPU_INTERRUPT_TGT_EXT_3 0x0200 |
| 816 |
#define CPU_INTERRUPT_TGT_EXT_4 0x1000 |
| 817 |
|
| 818 |
/* Several target-specific internal interrupts. These differ from the
|
| 819 |
preceeding target-specific interrupts in that they are intended to
|
| 820 |
originate from within the cpu itself, typically in response to some
|
| 821 |
instruction being executed. These, therefore, are not masked while
|
| 822 |
single-stepping within the debugger. */
|
| 823 |
#define CPU_INTERRUPT_TGT_INT_0 0x0100 |
| 824 |
#define CPU_INTERRUPT_TGT_INT_1 0x0400 |
| 825 |
#define CPU_INTERRUPT_TGT_INT_2 0x0800 |
| 826 |
|
| 827 |
/* First unused bit: 0x2000. */
|
| 828 |
|
| 829 |
/* Temporary remapping from the generic names back to the previous
|
| 830 |
cpu-specific names. These will be moved to target-foo/cpu.h next. */
|
| 831 |
#define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
|
| 832 |
|
| 833 |
/* The set of all bits that should be masked when single-stepping. */
|
| 834 |
#define CPU_INTERRUPT_SSTEP_MASK \
|
| 835 |
(CPU_INTERRUPT_HARD \ |
| 836 |
| CPU_INTERRUPT_TGT_EXT_0 \ |
| 837 |
| CPU_INTERRUPT_TGT_EXT_1 \ |
| 838 |
| CPU_INTERRUPT_TGT_EXT_2 \ |
| 839 |
| CPU_INTERRUPT_TGT_EXT_3 \ |
| 840 |
| CPU_INTERRUPT_TGT_EXT_4) |
| 841 |
|
| 842 |
#ifndef CONFIG_USER_ONLY
|
| 843 |
typedef void (*CPUInterruptHandler)(CPUState *, int); |
| 844 |
|
| 845 |
extern CPUInterruptHandler cpu_interrupt_handler;
|
| 846 |
|
| 847 |
static inline void cpu_interrupt(CPUState *s, int mask) |
| 848 |
{
|
| 849 |
cpu_interrupt_handler(s, mask); |
| 850 |
} |
| 851 |
#else /* USER_ONLY */ |
| 852 |
void cpu_interrupt(CPUState *env, int mask); |
| 853 |
#endif /* USER_ONLY */ |
| 854 |
|
| 855 |
void cpu_reset_interrupt(CPUState *env, int mask); |
| 856 |
|
| 857 |
void cpu_exit(CPUState *s);
|
| 858 |
|
| 859 |
int qemu_cpu_has_work(CPUState *env);
|
| 860 |
|
| 861 |
/* Breakpoint/watchpoint flags */
|
| 862 |
#define BP_MEM_READ 0x01 |
| 863 |
#define BP_MEM_WRITE 0x02 |
| 864 |
#define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE)
|
| 865 |
#define BP_STOP_BEFORE_ACCESS 0x04 |
| 866 |
#define BP_WATCHPOINT_HIT 0x08 |
| 867 |
#define BP_GDB 0x10 |
| 868 |
#define BP_CPU 0x20 |
| 869 |
|
| 870 |
int cpu_breakpoint_insert(CPUState *env, target_ulong pc, int flags, |
| 871 |
CPUBreakpoint **breakpoint); |
| 872 |
int cpu_breakpoint_remove(CPUState *env, target_ulong pc, int flags); |
| 873 |
void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint);
|
| 874 |
void cpu_breakpoint_remove_all(CPUState *env, int mask); |
| 875 |
int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len,
|
| 876 |
int flags, CPUWatchpoint **watchpoint);
|
| 877 |
int cpu_watchpoint_remove(CPUState *env, target_ulong addr,
|
| 878 |
target_ulong len, int flags);
|
| 879 |
void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint);
|
| 880 |
void cpu_watchpoint_remove_all(CPUState *env, int mask); |
| 881 |
|
| 882 |
#define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */ |
| 883 |
#define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */ |
| 884 |
#define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */ |
| 885 |
|
| 886 |
void cpu_single_step(CPUState *env, int enabled); |
| 887 |
void cpu_reset(CPUState *s);
|
| 888 |
int cpu_is_stopped(CPUState *env);
|
| 889 |
void run_on_cpu(CPUState *env, void (*func)(void *data), void *data); |
| 890 |
|
| 891 |
#define CPU_LOG_TB_OUT_ASM (1 << 0) |
| 892 |
#define CPU_LOG_TB_IN_ASM (1 << 1) |
| 893 |
#define CPU_LOG_TB_OP (1 << 2) |
| 894 |
#define CPU_LOG_TB_OP_OPT (1 << 3) |
| 895 |
#define CPU_LOG_INT (1 << 4) |
| 896 |
#define CPU_LOG_EXEC (1 << 5) |
| 897 |
#define CPU_LOG_PCALL (1 << 6) |
| 898 |
#define CPU_LOG_IOPORT (1 << 7) |
| 899 |
#define CPU_LOG_TB_CPU (1 << 8) |
| 900 |
#define CPU_LOG_RESET (1 << 9) |
| 901 |
|
| 902 |
/* define log items */
|
| 903 |
typedef struct CPULogItem { |
| 904 |
int mask;
|
| 905 |
const char *name; |
| 906 |
const char *help; |
| 907 |
} CPULogItem; |
| 908 |
|
| 909 |
extern const CPULogItem cpu_log_items[]; |
| 910 |
|
| 911 |
void cpu_set_log(int log_flags); |
| 912 |
void cpu_set_log_filename(const char *filename); |
| 913 |
int cpu_str_to_log_mask(const char *str); |
| 914 |
|
| 915 |
#if !defined(CONFIG_USER_ONLY)
|
| 916 |
|
| 917 |
/* Return the physical page corresponding to a virtual one. Use it
|
| 918 |
only for debugging because no protection checks are done. Return -1
|
| 919 |
if no page found. */
|
| 920 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr); |
| 921 |
|
| 922 |
/* memory API */
|
| 923 |
|
| 924 |
extern int phys_ram_fd; |
| 925 |
extern ram_addr_t ram_size;
|
| 926 |
|
| 927 |
/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */
|
| 928 |
#define RAM_PREALLOC_MASK (1 << 0) |
| 929 |
|
| 930 |
typedef struct RAMBlock { |
| 931 |
uint8_t *host; |
| 932 |
ram_addr_t offset; |
| 933 |
ram_addr_t length; |
| 934 |
uint32_t flags; |
| 935 |
char idstr[256]; |
| 936 |
QLIST_ENTRY(RAMBlock) next; |
| 937 |
#if defined(__linux__) && !defined(TARGET_S390X)
|
| 938 |
int fd;
|
| 939 |
#endif
|
| 940 |
} RAMBlock; |
| 941 |
|
| 942 |
typedef struct RAMList { |
| 943 |
uint8_t *phys_dirty; |
| 944 |
QLIST_HEAD(ram, RAMBlock) blocks; |
| 945 |
} RAMList; |
| 946 |
extern RAMList ram_list;
|
| 947 |
|
| 948 |
extern const char *mem_path; |
| 949 |
extern int mem_prealloc; |
| 950 |
|
| 951 |
/* physical memory access */
|
| 952 |
|
| 953 |
/* MMIO pages are identified by a combination of an IO device index and
|
| 954 |
3 flags. The ROMD code stores the page ram offset in iotlb entry,
|
| 955 |
so only a limited number of ids are avaiable. */
|
| 956 |
|
| 957 |
#define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT)) |
| 958 |
|
| 959 |
/* Flags stored in the low bits of the TLB virtual address. These are
|
| 960 |
defined so that fast path ram access is all zeros. */
|
| 961 |
/* Zero if TLB entry is valid. */
|
| 962 |
#define TLB_INVALID_MASK (1 << 3) |
| 963 |
/* Set if TLB entry references a clean RAM page. The iotlb entry will
|
| 964 |
contain the page physical address. */
|
| 965 |
#define TLB_NOTDIRTY (1 << 4) |
| 966 |
/* Set if TLB entry is an IO callback. */
|
| 967 |
#define TLB_MMIO (1 << 5) |
| 968 |
|
| 969 |
#define VGA_DIRTY_FLAG 0x01 |
| 970 |
#define CODE_DIRTY_FLAG 0x02 |
| 971 |
#define MIGRATION_DIRTY_FLAG 0x08 |
| 972 |
|
| 973 |
/* read dirty bit (return 0 or 1) */
|
| 974 |
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) |
| 975 |
{
|
| 976 |
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff; |
| 977 |
} |
| 978 |
|
| 979 |
static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) |
| 980 |
{
|
| 981 |
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
|
| 982 |
} |
| 983 |
|
| 984 |
static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, |
| 985 |
int dirty_flags)
|
| 986 |
{
|
| 987 |
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
|
| 988 |
} |
| 989 |
|
| 990 |
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |
| 991 |
{
|
| 992 |
ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
|
| 993 |
} |
| 994 |
|
| 995 |
static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, |
| 996 |
int dirty_flags)
|
| 997 |
{
|
| 998 |
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
|
| 999 |
} |
| 1000 |
|
| 1001 |
static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, |
| 1002 |
int length,
|
| 1003 |
int dirty_flags)
|
| 1004 |
{
|
| 1005 |
int i, mask, len;
|
| 1006 |
uint8_t *p; |
| 1007 |
|
| 1008 |
len = length >> TARGET_PAGE_BITS; |
| 1009 |
mask = ~dirty_flags; |
| 1010 |
p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); |
| 1011 |
for (i = 0; i < len; i++) { |
| 1012 |
p[i] &= mask; |
| 1013 |
} |
| 1014 |
} |
| 1015 |
|
| 1016 |
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
|
| 1017 |
int dirty_flags);
|
| 1018 |
void cpu_tlb_update_dirty(CPUState *env);
|
| 1019 |
|
| 1020 |
int cpu_physical_memory_set_dirty_tracking(int enable); |
| 1021 |
|
| 1022 |
int cpu_physical_memory_get_dirty_tracking(void); |
| 1023 |
|
| 1024 |
int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
|
| 1025 |
target_phys_addr_t end_addr); |
| 1026 |
|
| 1027 |
int cpu_physical_log_start(target_phys_addr_t start_addr,
|
| 1028 |
ram_addr_t size); |
| 1029 |
|
| 1030 |
int cpu_physical_log_stop(target_phys_addr_t start_addr,
|
| 1031 |
ram_addr_t size); |
| 1032 |
|
| 1033 |
void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
|
| 1034 |
#endif /* !CONFIG_USER_ONLY */ |
| 1035 |
|
| 1036 |
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
|
| 1037 |
uint8_t *buf, int len, int is_write); |
| 1038 |
|
| 1039 |
#endif /* CPU_ALL_H */ |