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https://github.com/Motorhead1991/qemu.git
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full softmmu support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@410 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
parent
3a51dee658
commit
61382a500a
10 changed files with 599 additions and 344 deletions
133
cpu-all.h
133
cpu-all.h
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@ -20,18 +20,19 @@
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#ifndef CPU_ALL_H
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#define CPU_ALL_H
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/* all CPU memory access use these macros */
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static inline int ldub(void *ptr)
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/* CPU memory access without any memory or io remapping */
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static inline int ldub_raw(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(void *ptr)
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static inline int ldsb_raw(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(void *ptr, int v)
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static inline void stb_raw(void *ptr, int v)
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{
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*(uint8_t *)ptr = v;
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}
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@ -42,7 +43,7 @@ static inline void stb(void *ptr, int v)
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#if defined(WORDS_BIGENDIAN) || defined(__arm__)
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/* conservative code for little endian unaligned accesses */
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static inline int lduw(void *ptr)
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static inline int lduw_raw(void *ptr)
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{
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#ifdef __powerpc__
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int val;
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@ -54,7 +55,7 @@ static inline int lduw(void *ptr)
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#endif
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}
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static inline int ldsw(void *ptr)
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static inline int ldsw_raw(void *ptr)
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{
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#ifdef __powerpc__
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int val;
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@ -66,7 +67,7 @@ static inline int ldsw(void *ptr)
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#endif
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}
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static inline int ldl(void *ptr)
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static inline int ldl_raw(void *ptr)
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{
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#ifdef __powerpc__
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int val;
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@ -78,16 +79,16 @@ static inline int ldl(void *ptr)
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#endif
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}
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static inline uint64_t ldq(void *ptr)
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static inline uint64_t ldq_raw(void *ptr)
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{
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uint8_t *p = ptr;
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uint32_t v1, v2;
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v1 = ldl(p);
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v2 = ldl(p + 4);
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v1 = ldl_raw(p);
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v2 = ldl_raw(p + 4);
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return v1 | ((uint64_t)v2 << 32);
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}
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static inline void stw(void *ptr, int v)
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static inline void stw_raw(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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@ -98,7 +99,7 @@ static inline void stw(void *ptr, int v)
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#endif
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}
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static inline void stl(void *ptr, int v)
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static inline void stl_raw(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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@ -111,104 +112,104 @@ static inline void stl(void *ptr, int v)
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#endif
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}
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static inline void stq(void *ptr, uint64_t v)
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static inline void stq_raw(void *ptr, uint64_t v)
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{
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uint8_t *p = ptr;
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stl(p, (uint32_t)v);
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stl(p + 4, v >> 32);
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stl_raw(p, (uint32_t)v);
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stl_raw(p + 4, v >> 32);
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}
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/* float access */
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static inline float ldfl(void *ptr)
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static inline float ldfl_raw(void *ptr)
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{
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union {
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float f;
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uint32_t i;
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} u;
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u.i = ldl(ptr);
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u.i = ldl_raw(ptr);
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return u.f;
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}
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static inline void stfl(void *ptr, float v)
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static inline void stfl_raw(void *ptr, float v)
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{
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union {
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float 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(ptr, u.i);
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stl_raw(ptr, u.i);
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}
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#if defined(__arm__) && !defined(WORDS_BIGENDIAN)
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/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
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static inline double ldfq(void *ptr)
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static inline double ldfq_raw(void *ptr)
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{
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union {
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double d;
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uint32_t tab[2];
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} u;
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u.tab[1] = ldl(ptr);
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u.tab[0] = ldl(ptr + 4);
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u.tab[1] = ldl_raw(ptr);
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u.tab[0] = ldl_raw(ptr + 4);
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return u.d;
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}
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static inline void stfq(void *ptr, double v)
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static inline void stfq_raw(void *ptr, double v)
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{
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union {
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double d;
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uint32_t tab[2];
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} u;
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u.d = v;
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stl(ptr, u.tab[1]);
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stl(ptr + 4, u.tab[0]);
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stl_raw(ptr, u.tab[1]);
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stl_raw(ptr + 4, u.tab[0]);
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}
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#else
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static inline double ldfq(void *ptr)
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static inline double ldfq_raw(void *ptr)
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{
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union {
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double d;
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uint64_t i;
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} u;
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u.i = ldq(ptr);
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u.i = ldq_raw(ptr);
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return u.d;
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}
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static inline void stfq(void *ptr, double v)
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static inline void stfq_raw(void *ptr, double v)
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{
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union {
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double d;
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uint64_t i;
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} u;
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u.d = v;
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stq(ptr, u.i);
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stq_raw(ptr, u.i);
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}
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#endif
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#elif defined(TARGET_WORDS_BIGENDIAN) && !defined(WORDS_BIGENDIAN)
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static inline int lduw(void *ptr)
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static inline int lduw_raw(void *ptr)
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{
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uint8_t *b = (uint8_t *) ptr;
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return (b[0]<<8|b[1]);
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}
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static inline int ldsw(void *ptr)
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static inline int ldsw_raw(void *ptr)
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{
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int8_t *b = (int8_t *) ptr;
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return (b[0]<<8|b[1]);
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}
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static inline int ldl(void *ptr)
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static inline int ldl_raw(void *ptr)
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{
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uint8_t *b = (uint8_t *) ptr;
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return (b[0]<<24|b[1]<<16|b[2]<<8|b[3]);
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}
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static inline uint64_t ldq(void *ptr)
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static inline uint64_t ldq_raw(void *ptr)
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{
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uint32_t a,b;
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a = ldl (ptr);
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@ -216,14 +217,14 @@ static inline uint64_t ldq(void *ptr)
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return (((uint64_t)a<<32)|b);
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}
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static inline void stw(void *ptr, int v)
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static inline void stw_raw(void *ptr, int v)
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{
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uint8_t *d = (uint8_t *) ptr;
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d[0] = v >> 8;
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d[1] = v;
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}
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static inline void stl(void *ptr, int v)
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static inline void stl_raw(void *ptr, int v)
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{
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uint8_t *d = (uint8_t *) ptr;
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d[0] = v >> 24;
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@ -232,7 +233,7 @@ static inline void stl(void *ptr, int v)
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d[3] = v;
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}
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static inline void stq(void *ptr, uint64_t v)
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static inline void stq_raw(void *ptr, uint64_t v)
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{
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stl (ptr, v);
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stl (ptr+4, v >> 32);
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@ -240,64 +241,102 @@ static inline void stq(void *ptr, uint64_t v)
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#else
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static inline int lduw(void *ptr)
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static inline int lduw_raw(void *ptr)
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{
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return *(uint16_t *)ptr;
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}
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static inline int ldsw(void *ptr)
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static inline int ldsw_raw(void *ptr)
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{
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return *(int16_t *)ptr;
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}
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static inline int ldl(void *ptr)
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static inline int ldl_raw(void *ptr)
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{
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return *(uint32_t *)ptr;
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}
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static inline uint64_t ldq(void *ptr)
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static inline uint64_t ldq_raw(void *ptr)
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{
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return *(uint64_t *)ptr;
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}
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static inline void stw(void *ptr, int v)
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static inline void stw_raw(void *ptr, int v)
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{
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*(uint16_t *)ptr = v;
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}
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static inline void stl(void *ptr, int v)
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static inline void stl_raw(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(void *ptr, uint64_t v)
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static inline void stq_raw(void *ptr, uint64_t v)
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{
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*(uint64_t *)ptr = v;
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}
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/* float access */
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static inline float ldfl(void *ptr)
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static inline float ldfl_raw(void *ptr)
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{
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return *(float *)ptr;
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}
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static inline double ldfq(void *ptr)
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static inline double ldfq_raw(void *ptr)
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{
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return *(double *)ptr;
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}
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static inline void stfl(void *ptr, float v)
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static inline void stfl_raw(void *ptr, float v)
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{
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*(float *)ptr = v;
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}
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static inline void stfq(void *ptr, double v)
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static inline void stfq_raw(void *ptr, double v)
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{
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*(double *)ptr = v;
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}
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#endif
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/* MMU memory access macros */
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#if defined(CONFIG_USER_ONLY)
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/* if user mode, no other memory access functions */
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#define ldub(p) ldub_raw(p)
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#define ldsb(p) ldsb_raw(p)
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#define lduw(p) lduw_raw(p)
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#define ldsw(p) ldsw_raw(p)
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#define ldl(p) ldl_raw(p)
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#define ldq(p) ldq_raw(p)
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#define ldfl(p) ldfl_raw(p)
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#define ldfq(p) ldfq_raw(p)
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#define stb(p, v) stb_raw(p, v)
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#define stw(p, v) stw_raw(p, v)
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#define stl(p, v) stl_raw(p, v)
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#define stq(p, v) stq_raw(p, v)
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#define stfl(p, v) stfl_raw(p, v)
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#define stfq(p, v) stfq_raw(p, v)
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#define ldub_code(p) ldub_raw(p)
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#define ldsb_code(p) ldsb_raw(p)
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#define lduw_code(p) lduw_raw(p)
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#define ldsw_code(p) ldsw_raw(p)
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#define ldl_code(p) ldl_raw(p)
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#define ldub_kernel(p) ldub_raw(p)
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#define ldsb_kernel(p) ldsb_raw(p)
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#define lduw_kernel(p) lduw_raw(p)
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#define ldsw_kernel(p) ldsw_raw(p)
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#define ldl_kernel(p) ldl_raw(p)
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#define stb_kernel(p, v) stb_raw(p, v)
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#define stw_kernel(p, v) stw_raw(p, v)
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#define stl_kernel(p, v) stl_raw(p, v)
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#define stq_kernel(p, v) stq_raw(p, v)
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#endif /* defined(CONFIG_USER_ONLY) */
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/* page related stuff */
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#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
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