#elif ACCESS_TYPE == 2
+#ifdef TARGET_I386
#define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
+#elif defined (TARGET_PPC)
+#define CPU_MEM_INDEX (msr_pr)
+#elif defined (TARGET_SPARC)
+#define CPU_MEM_INDEX ((env->psrs) == 0)
+#endif
#define MMUSUFFIX _mmu
#elif ACCESS_TYPE == 3
+#ifdef TARGET_I386
#define CPU_MEM_INDEX ((env->hflags & HF_CPL_MASK) == 3)
+#elif defined (TARGET_PPC)
+#define CPU_MEM_INDEX (msr_pr)
+#elif defined (TARGET_SPARC)
+#define CPU_MEM_INDEX ((env->psrs) == 0)
+#endif
#define MMUSUFFIX _cmmu
#else
int is_user);
void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(unsigned long addr, DATA_TYPE v, int is_user);
+#if (DATA_SIZE <= 4) && defined(__i386__) && (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
+
+static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(void *ptr)
+{
+ int res;
+
+ asm volatile ("movl %1, %%edx\n"
+ "movl %1, %%eax\n"
+ "shrl %3, %%edx\n"
+ "andl %4, %%eax\n"
+ "andl %2, %%edx\n"
+ "leal %5(%%edx, %%ebp), %%edx\n"
+ "cmpl (%%edx), %%eax\n"
+ "movl %1, %%eax\n"
+ "je 1f\n"
+ "pushl %6\n"
+ "call %7\n"
+ "popl %%edx\n"
+ "movl %%eax, %0\n"
+ "jmp 2f\n"
+ "1:\n"
+ "addl 4(%%edx), %%eax\n"
+#if DATA_SIZE == 1
+ "movzbl (%%eax), %0\n"
+#elif DATA_SIZE == 2
+ "movzwl (%%eax), %0\n"
+#elif DATA_SIZE == 4
+ "movl (%%eax), %0\n"
+#else
+#error unsupported size
+#endif
+ "2:\n"
+ : "=r" (res)
+ : "r" (ptr),
+ "i" ((CPU_TLB_SIZE - 1) << 3),
+ "i" (TARGET_PAGE_BITS - 3),
+ "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_read[CPU_MEM_INDEX][0].address)),
+ "i" (CPU_MEM_INDEX),
+ "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
+ : "%eax", "%ecx", "%edx", "memory", "cc");
+ return res;
+}
+
+#if DATA_SIZE <= 2
+static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(void *ptr)
+{
+ int res;
+
+ asm volatile ("movl %1, %%edx\n"
+ "movl %1, %%eax\n"
+ "shrl %3, %%edx\n"
+ "andl %4, %%eax\n"
+ "andl %2, %%edx\n"
+ "leal %5(%%edx, %%ebp), %%edx\n"
+ "cmpl (%%edx), %%eax\n"
+ "movl %1, %%eax\n"
+ "je 1f\n"
+ "pushl %6\n"
+ "call %7\n"
+ "popl %%edx\n"
+#if DATA_SIZE == 1
+ "movsbl %%al, %0\n"
+#elif DATA_SIZE == 2
+ "movswl %%ax, %0\n"
+#else
+#error unsupported size
+#endif
+ "jmp 2f\n"
+ "1:\n"
+ "addl 4(%%edx), %%eax\n"
+#if DATA_SIZE == 1
+ "movsbl (%%eax), %0\n"
+#elif DATA_SIZE == 2
+ "movswl (%%eax), %0\n"
+#else
+#error unsupported size
+#endif
+ "2:\n"
+ : "=r" (res)
+ : "r" (ptr),
+ "i" ((CPU_TLB_SIZE - 1) << 3),
+ "i" (TARGET_PAGE_BITS - 3),
+ "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_read[CPU_MEM_INDEX][0].address)),
+ "i" (CPU_MEM_INDEX),
+ "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
+ : "%eax", "%ecx", "%edx", "memory", "cc");
+ return res;
+}
+#endif
+
+static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(void *ptr, RES_TYPE v)
+{
+ asm volatile ("movl %0, %%edx\n"
+ "movl %0, %%eax\n"
+ "shrl %3, %%edx\n"
+ "andl %4, %%eax\n"
+ "andl %2, %%edx\n"
+ "leal %5(%%edx, %%ebp), %%edx\n"
+ "cmpl (%%edx), %%eax\n"
+ "movl %0, %%eax\n"
+ "je 1f\n"
+#if DATA_SIZE == 1
+ "movzbl %b1, %%edx\n"
+#elif DATA_SIZE == 2
+ "movzwl %w1, %%edx\n"
+#elif DATA_SIZE == 4
+ "movl %1, %%edx\n"
+#else
+#error unsupported size
+#endif
+ "pushl %6\n"
+ "call %7\n"
+ "popl %%eax\n"
+ "jmp 2f\n"
+ "1:\n"
+ "addl 4(%%edx), %%eax\n"
+#if DATA_SIZE == 1
+ "movb %b1, (%%eax)\n"
+#elif DATA_SIZE == 2
+ "movw %w1, (%%eax)\n"
+#elif DATA_SIZE == 4
+ "movl %1, (%%eax)\n"
+#else
+#error unsupported size
+#endif
+ "2:\n"
+ :
+ : "r" (ptr),
+/* NOTE: 'q' would be needed as constraint, but we could not use it
+ with T1 ! */
+ "r" (v),
+ "i" ((CPU_TLB_SIZE - 1) << 3),
+ "i" (TARGET_PAGE_BITS - 3),
+ "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
+ "m" (*(uint32_t *)offsetof(CPUState, tlb_write[CPU_MEM_INDEX][0].address)),
+ "i" (CPU_MEM_INDEX),
+ "m" (*(uint8_t *)&glue(glue(__st, SUFFIX), MMUSUFFIX))
+ : "%eax", "%ecx", "%edx", "memory", "cc");
+}
+
+#else
+
+/* generic load/store macros */
+
static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(void *ptr)
{
int index;
}
#endif
+/* generic store macro */
+
static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(void *ptr, RES_TYPE v)
{
int index;
}
}
+#endif
+
+#if DATA_SIZE == 8
+static inline double glue(ldfq, MEMSUFFIX)(void *ptr)
+{
+ union {
+ double d;
+ uint64_t i;
+ } u;
+ u.i = glue(ldq, MEMSUFFIX)(ptr);
+ return u.d;
+}
+
+static inline void glue(stfq, MEMSUFFIX)(void *ptr, double v)
+{
+ union {
+ double d;
+ uint64_t i;
+ } u;
+ u.d = v;
+ glue(stq, MEMSUFFIX)(ptr, u.i);
+}
+#endif /* DATA_SIZE == 8 */
+
+#if DATA_SIZE == 4
+static inline float glue(ldfl, MEMSUFFIX)(void *ptr)
+{
+ union {
+ float f;
+ uint32_t i;
+ } u;
+ u.i = glue(ldl, MEMSUFFIX)(ptr);
+ return u.f;
+}
+
+static inline void glue(stfl, MEMSUFFIX)(void *ptr, float v)
+{
+ union {
+ float f;
+ uint32_t i;
+ } u;
+ u.f = v;
+ glue(stl, MEMSUFFIX)(ptr, u.i);
+}
+#endif /* DATA_SIZE == 4 */
+
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
projects / qemu.git / blobdiff