diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-06-15 20:02:25 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-06-15 20:02:25 +0000 |
commit | 5a9fdfec7eff4f053705cf160be87ebf01a57833 (patch) | |
tree | 53963ca333723ac079709eac7ef1b93adf728b9d /cpu-i386.h | |
parent | d19893dab57d29507ebec946f822a5894e873863 (diff) |
factorized cpu defines
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@243 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-i386.h')
-rw-r--r-- | cpu-i386.h | 254 |
1 files changed, 1 insertions, 253 deletions
diff --git a/cpu-i386.h b/cpu-i386.h index 8d7e1d612e..92178b98c0 100644 --- a/cpu-i386.h +++ b/cpu-i386.h @@ -222,233 +222,6 @@ typedef struct CPUX86State { void *opaque; } CPUX86State; -/* all CPU memory access use these macros */ -static inline int ldub(void *ptr) -{ - return *(uint8_t *)ptr; -} - -static inline int ldsb(void *ptr) -{ - return *(int8_t *)ptr; -} - -static inline void stb(void *ptr, int v) -{ - *(uint8_t *)ptr = v; -} - -/* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the - kernel handles unaligned load/stores may give better results, but - it is a system wide setting : bad */ -#if defined(WORDS_BIGENDIAN) || defined(__arm__) - -/* conservative code for little endian unaligned accesses */ -static inline int lduw(void *ptr) -{ -#ifdef __powerpc__ - int val; - __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); - return val; -#else - uint8_t *p = ptr; - return p[0] | (p[1] << 8); -#endif -} - -static inline int ldsw(void *ptr) -{ -#ifdef __powerpc__ - int val; - __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); - return (int16_t)val; -#else - uint8_t *p = ptr; - return (int16_t)(p[0] | (p[1] << 8)); -#endif -} - -static inline int ldl(void *ptr) -{ -#ifdef __powerpc__ - int val; - __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr)); - return val; -#else - uint8_t *p = ptr; - return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); -#endif -} - -static inline uint64_t ldq(void *ptr) -{ - uint8_t *p = ptr; - uint32_t v1, v2; - v1 = ldl(p); - v2 = ldl(p + 4); - return v1 | ((uint64_t)v2 << 32); -} - -static inline void stw(void *ptr, int v) -{ -#ifdef __powerpc__ - __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); -#else - uint8_t *p = ptr; - p[0] = v; - p[1] = v >> 8; -#endif -} - -static inline void stl(void *ptr, int v) -{ -#ifdef __powerpc__ - __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); -#else - uint8_t *p = ptr; - p[0] = v; - p[1] = v >> 8; - p[2] = v >> 16; - p[3] = v >> 24; -#endif -} - -static inline void stq(void *ptr, uint64_t v) -{ - uint8_t *p = ptr; - stl(p, (uint32_t)v); - stl(p + 4, v >> 32); -} - -/* float access */ - -static inline float ldfl(void *ptr) -{ - union { - float f; - uint32_t i; - } u; - u.i = ldl(ptr); - return u.f; -} - -static inline void stfl(void *ptr, float v) -{ - union { - float f; - uint32_t i; - } u; - u.f = v; - stl(ptr, u.i); -} - -#if defined(__arm__) && !defined(WORDS_BIGENDIAN) - -/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */ -static inline double ldfq(void *ptr) -{ - union { - double d; - uint32_t tab[2]; - } u; - u.tab[1] = ldl(ptr); - u.tab[0] = ldl(ptr + 4); - return u.d; -} - -static inline void stfq(void *ptr, double v) -{ - union { - double d; - uint32_t tab[2]; - } u; - u.d = v; - stl(ptr, u.tab[1]); - stl(ptr + 4, u.tab[0]); -} - -#else -static inline double ldfq(void *ptr) -{ - union { - double d; - uint64_t i; - } u; - u.i = ldq(ptr); - return u.d; -} - -static inline void stfq(void *ptr, double v) -{ - union { - double d; - uint64_t i; - } u; - u.d = v; - stq(ptr, u.i); -} -#endif - -#else - -static inline int lduw(void *ptr) -{ - return *(uint16_t *)ptr; -} - -static inline int ldsw(void *ptr) -{ - return *(int16_t *)ptr; -} - -static inline int ldl(void *ptr) -{ - return *(uint32_t *)ptr; -} - -static inline uint64_t ldq(void *ptr) -{ - return *(uint64_t *)ptr; -} - -static inline void stw(void *ptr, int v) -{ - *(uint16_t *)ptr = v; -} - -static inline void stl(void *ptr, int v) -{ - *(uint32_t *)ptr = v; -} - -static inline void stq(void *ptr, uint64_t v) -{ - *(uint64_t *)ptr = v; -} - -/* float access */ - -static inline float ldfl(void *ptr) -{ - return *(float *)ptr; -} - -static inline double ldfq(void *ptr) -{ - return *(double *)ptr; -} - -static inline void stfl(void *ptr, float v) -{ - *(float *)ptr = v; -} - -static inline void stfq(void *ptr, double v) -{ - *(double *)ptr = v; -} -#endif - #ifndef IN_OP_I386 void cpu_x86_outb(CPUX86State *env, int addr, int val); void cpu_x86_outw(CPUX86State *env, int addr, int val); @@ -482,32 +255,7 @@ int cpu_x86_signal_handler(int host_signum, struct siginfo *info, #define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */ void cpu_x86_dump_state(CPUX86State *env, FILE *f, int flags); -/* page related stuff */ #define TARGET_PAGE_BITS 12 -#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) -#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) -#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) - -extern unsigned long real_host_page_size; -extern unsigned long host_page_bits; -extern unsigned long host_page_size; -extern unsigned long host_page_mask; - -#define HOST_PAGE_ALIGN(addr) (((addr) + host_page_size - 1) & host_page_mask) - -/* same as PROT_xxx */ -#define PAGE_READ 0x0001 -#define PAGE_WRITE 0x0002 -#define PAGE_EXEC 0x0004 -#define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC) -#define PAGE_VALID 0x0008 -/* original state of the write flag (used when tracking self-modifying - code */ -#define PAGE_WRITE_ORG 0x0010 - -void page_dump(FILE *f); -int page_get_flags(unsigned long address); -void page_set_flags(unsigned long start, unsigned long end, int flags); -void page_unprotect_range(uint8_t *data, unsigned long data_size); +#include "cpu-all.h" #endif /* CPU_I386_H */ |