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author | marha <marha@users.sourceforge.net> | 2010-03-22 09:17:19 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-03-22 09:17:19 +0000 |
commit | 348130c450be8b5c4abcb03272b326434e3f5022 (patch) | |
tree | 413685260aa63ea6b530af4898603a40f441b768 /xorg-server/hw/xfree86/x86emu/sys.c | |
parent | 4f736752bbdf3bbf1a6325af7ad470198aa5a82a (diff) | |
download | vcxsrv-348130c450be8b5c4abcb03272b326434e3f5022.tar.gz vcxsrv-348130c450be8b5c4abcb03272b326434e3f5022.tar.bz2 vcxsrv-348130c450be8b5c4abcb03272b326434e3f5022.zip |
Updated to xorg-server-1.7.99.902
Diffstat (limited to 'xorg-server/hw/xfree86/x86emu/sys.c')
-rw-r--r-- | xorg-server/hw/xfree86/x86emu/sys.c | 236 |
1 files changed, 74 insertions, 162 deletions
diff --git a/xorg-server/hw/xfree86/x86emu/sys.c b/xorg-server/hw/xfree86/x86emu/sys.c index e15fb0931..602b0bbee 100644 --- a/xorg-server/hw/xfree86/x86emu/sys.c +++ b/xorg-server/hw/xfree86/x86emu/sys.c @@ -48,168 +48,104 @@ #ifndef NO_SYS_HEADERS #include <string.h> #endif -/*------------------------- Global Variables ------------------------------*/ -X86EMU_sysEnv _X86EMU_env; /* Global emulator machine state */ -X86EMU_intrFuncs _X86EMU_intrTab[256]; +# ifndef NO_INLINE +# ifdef __GNUC__ -/*----------------------------- Implementation ----------------------------*/ -#if defined(__alpha__) || defined(__alpha) -/* to cope with broken egcs-1.1.2 :-(((( */ - -#define ALPHA_UALOADS -/* - * inline functions to do unaligned accesses - * from linux/include/asm-alpha/unaligned.h - */ - -/* - * EGCS 1.1 knows about arbitrary unaligned loads. Define some - * packed structures to talk about such things with. - */ - -#if defined(__GNUC__) -struct __una_u64 { unsigned long x __attribute__((packed)); }; -struct __una_u32 { unsigned int x __attribute__((packed)); }; -struct __una_u16 { unsigned short x __attribute__((packed)); }; -#endif +/* Define some packed structures to use with unaligned accesses */ + +struct __una_u64 { u64 x __attribute__((packed)); }; +struct __una_u32 { u32 x __attribute__((packed)); }; +struct __una_u16 { u16 x __attribute__((packed)); }; -static __inline__ unsigned long ldq_u(unsigned long * r11) +/* Elemental unaligned loads */ + +static __inline__ u64 ldq_u(u64 *p) { -#if defined(__GNUC__) - const struct __una_u64 *ptr = (const struct __una_u64 *) r11; + const struct __una_u64 *ptr = (const struct __una_u64 *) p; return ptr->x; -#else - unsigned long r1,r2; - __asm__("ldq_u %0,%3\n\t" - "ldq_u %1,%4\n\t" - "extql %0,%2,%0\n\t" - "extqh %1,%2,%1" - :"=&r" (r1), "=&r" (r2) - :"r" (r11), - "m" (*r11), - "m" (*(const unsigned long *)(7+(char *) r11))); - return r1 | r2; -#endif } -static __inline__ unsigned long ldl_u(unsigned int * r11) +static __inline__ u32 ldl_u(u32 *p) { -#if defined(__GNUC__) - const struct __una_u32 *ptr = (const struct __una_u32 *) r11; + const struct __una_u32 *ptr = (const struct __una_u32 *) p; return ptr->x; -#else - unsigned long r1,r2; - __asm__("ldq_u %0,%3\n\t" - "ldq_u %1,%4\n\t" - "extll %0,%2,%0\n\t" - "extlh %1,%2,%1" - :"=&r" (r1), "=&r" (r2) - :"r" (r11), - "m" (*r11), - "m" (*(const unsigned long *)(3+(char *) r11))); - return r1 | r2; -#endif } -static __inline__ unsigned long ldw_u(unsigned short * r11) +static __inline__ u16 ldw_u(u16 *p) { -#if defined(__GNUC__) - const struct __una_u16 *ptr = (const struct __una_u16 *) r11; + const struct __una_u16 *ptr = (const struct __una_u16 *) p; return ptr->x; -#else - unsigned long r1,r2; - __asm__("ldq_u %0,%3\n\t" - "ldq_u %1,%4\n\t" - "extwl %0,%2,%0\n\t" - "extwh %1,%2,%1" - :"=&r" (r1), "=&r" (r2) - :"r" (r11), - "m" (*r11), - "m" (*(const unsigned long *)(1+(char *) r11))); - return r1 | r2; -#endif } -/* - * Elemental unaligned stores - */ +/* Elemental unaligned stores */ -static __inline__ void stq_u(unsigned long r5, unsigned long * r11) +static __inline__ void stq_u(u64 val, u64 *p) { -#if defined(__GNUC__) - struct __una_u64 *ptr = (struct __una_u64 *) r11; - ptr->x = r5; -#else - unsigned long r1,r2,r3,r4; - - __asm__("ldq_u %3,%1\n\t" - "ldq_u %2,%0\n\t" - "insqh %6,%7,%5\n\t" - "insql %6,%7,%4\n\t" - "mskqh %3,%7,%3\n\t" - "mskql %2,%7,%2\n\t" - "bis %3,%5,%3\n\t" - "bis %2,%4,%2\n\t" - "stq_u %3,%1\n\t" - "stq_u %2,%0" - :"=m" (*r11), - "=m" (*(unsigned long *)(7+(char *) r11)), - "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) - :"r" (r5), "r" (r11)); -#endif + struct __una_u64 *ptr = (struct __una_u64 *) p; + ptr->x = val; } -static __inline__ void stl_u(unsigned long r5, unsigned int * r11) +static __inline__ void stl_u(u32 val, u32 *p) { -#if defined(__GNUC__) - struct __una_u32 *ptr = (struct __una_u32 *) r11; - ptr->x = r5; -#else - unsigned long r1,r2,r3,r4; - - __asm__("ldq_u %3,%1\n\t" - "ldq_u %2,%0\n\t" - "inslh %6,%7,%5\n\t" - "insll %6,%7,%4\n\t" - "msklh %3,%7,%3\n\t" - "mskll %2,%7,%2\n\t" - "bis %3,%5,%3\n\t" - "bis %2,%4,%2\n\t" - "stq_u %3,%1\n\t" - "stq_u %2,%0" - :"=m" (*r11), - "=m" (*(unsigned long *)(3+(char *) r11)), - "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) - :"r" (r5), "r" (r11)); -#endif + struct __una_u32 *ptr = (struct __una_u32 *) p; + ptr->x = val; } -static __inline__ void stw_u(unsigned long r5, unsigned short * r11) +static __inline__ void stw_u(u16 val, u16 *p) { -#if defined(__GNUC__) - struct __una_u16 *ptr = (struct __una_u16 *) r11; - ptr->x = r5; -#else - unsigned long r1,r2,r3,r4; - - __asm__("ldq_u %3,%1\n\t" - "ldq_u %2,%0\n\t" - "inswh %6,%7,%5\n\t" - "inswl %6,%7,%4\n\t" - "mskwh %3,%7,%3\n\t" - "mskwl %2,%7,%2\n\t" - "bis %3,%5,%3\n\t" - "bis %2,%4,%2\n\t" - "stq_u %3,%1\n\t" - "stq_u %2,%0" - :"=m" (*r11), - "=m" (*(unsigned long *)(1+(char *) r11)), - "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) - :"r" (r5), "r" (r11)); -#endif + struct __una_u16 *ptr = (struct __una_u16 *) p; + ptr->x = val; +} +# else /* !__GNUC__ */ + +static __inline__ u64 ldq_u(u64 *p) +{ + u64 ret; + memmove(&ret, p, sizeof(*p)); + return ret; } -#endif + +static __inline__ u32 ldl_u(u32 *p) +{ + u32 ret; + memmove(&ret, p, sizeof(*p)); + return ret; +} + +static __inline__ u16 ldw_u(u16 *p) +{ + u16 ret; + memmove(&ret, p, sizeof(*p)); + return ret; +} + +static __inline__ void stq_u(u64 val, u64 *p) +{ + u64 tmp = val; + memmove(p, &tmp, sizeof(*p)); +} + +static __inline__ void stl_u(u32 val, u32 *p) +{ + u32 tmp = val; + memmove(p, &tmp, sizeof(*p)); +} + +static __inline__ void stw_u(u16 val, u16 *p) +{ + u16 tmp = val; + memmove(p, &tmp, sizeof(*p)); +} + +# endif /* __GNUC__ */ +# endif /* NO_INLINE */ +/*------------------------- Global Variables ------------------------------*/ + +X86EMU_sysEnv _X86EMU_env; /* Global emulator machine state */ +X86EMU_intrFuncs _X86EMU_intrTab[256]; + +/*----------------------------- Implementation ----------------------------*/ /**************************************************************************** PARAMETERS: @@ -262,13 +198,7 @@ u16 X86API rdw( } else #endif -#if defined(ALPHA_UALOADS) val = ldw_u((u16*)(M.mem_base + addr)); -#elif defined(IA64_UALOADS) - val = uldw((u16*)(M.mem_base + addr)); -#else - val = *(u16*)(M.mem_base + addr); -#endif DB( if (DEBUG_MEM_TRACE()) printk("%#08x 2 -> %#x\n", addr, val);) return val; @@ -301,13 +231,7 @@ u32 X86API rdl( } else #endif -#if defined(ALPHA_UALOADS) val = ldl_u((u32*)(M.mem_base + addr)); -#elif defined(IA64_UALOADS) - val = uldl((u32*)(M.mem_base + addr)); -#else - val = *(u32*)(M.mem_base + addr); -#endif DB( if (DEBUG_MEM_TRACE()) printk("%#08x 4 -> %#x\n", addr, val);) return val; @@ -359,13 +283,7 @@ DB( if (DEBUG_MEM_TRACE()) } else #endif -#if defined(ALPHA_UALOADS) stw_u(val,(u16*)(M.mem_base + addr)); -#elif defined(IA64_UALOADS) - ustw(val,(u16*)(M.mem_base + addr)); -#else - *(u16*)(M.mem_base + addr) = val; -#endif } /**************************************************************************** @@ -395,13 +313,7 @@ DB( if (DEBUG_MEM_TRACE()) } else #endif -#if defined(ALPHA_UALOADS) stl_u(val,(u32*)(M.mem_base + addr)); -#elif defined(IA64_UALOADS) - ustl(val,(u32*)(M.mem_base + addr)); -#else - *(u32*)(M.mem_base + addr) = val; -#endif } /**************************************************************************** |