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1.1 root 1: /*
2: * UAE - The Un*x Amiga Emulator
3: *
4: * Memory access functions
5: *
6: * Copyright 1996 Bernd Schmidt
7: */
8:
1.1.1.2 ! root 9: static __inline__ uae_u32 do_get_mem_long(uae_u32 *a)
1.1 root 10: {
1.1.1.2 ! root 11: uae_u32 retval;
1.1 root 12:
13: __asm__ ("bswapl %0" : "=r" (retval) : "0" (*a) : "cc");
14: return retval;
15: }
16:
1.1.1.2 ! root 17: static __inline__ uae_u32 do_get_mem_word(uae_u16 *a)
1.1 root 18: {
1.1.1.2 ! root 19: uae_u32 retval;
1.1 root 20:
1.1.1.2 ! root 21: #ifdef X86_PPRO_OPT
! 22: __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswapl %k0\n" : "=&r" (retval) : "m" (*a) : "cc");
! 23: #else
! 24: __asm__ ("xorl %k0,%k0\n\tmovw %w1,%w0\n\trolw $8,%w0" : "=&r" (retval) : "m" (*a) : "cc");
! 25: #endif
1.1 root 26: return retval;
27: }
28:
1.1.1.2 ! root 29: #define do_get_mem_byte(a) ((uae_u32)*(a))
1.1 root 30:
1.1.1.2 ! root 31: static __inline__ void do_put_mem_long(uae_u32 *a, uae_u32 v)
1.1 root 32: {
33: __asm__ ("bswapl %0" : "=r" (v) : "0" (v) : "cc");
34: *a = v;
35: }
36:
1.1.1.2 ! root 37: static __inline__ void do_put_mem_word(uae_u16 *a, uae_u32 v)
1.1 root 38: {
1.1.1.2 ! root 39: #ifdef X86_PPRO_OPT
! 40: __asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc");
! 41: #else
1.1 root 42: __asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc");
1.1.1.2 ! root 43: #endif
1.1 root 44: *a = v;
45: }
46:
1.1.1.2 ! root 47: #define do_put_mem_byte(a,v) (*(a) = (v))
1.1 root 48:
49: #if 0
1.1.1.2 ! root 50: static __inline__ uae_u32 call_mem_get_func(mem_get_func func, uae_cptr addr)
1.1 root 51: {
1.1.1.2 ! root 52: uae_u32 result;
1.1 root 53: __asm__("call *%1"
1.1.1.2 ! root 54: : "=a" (result) : "r" (func), "a" (addr) : "cc", "edx", "ecx");
1.1 root 55: return result;
56: }
57:
1.1.1.2 ! root 58: static __inline__ void call_mem_put_func(mem_put_func func, uae_cptr addr, uae_u32 v)
1.1 root 59: {
1.1.1.2 ! root 60: __asm__("call *%2"
1.1 root 61: : : "a" (addr), "d" (v), "r" (func) : "cc", "eax", "edx", "ecx", "memory");
62: }
63: #else
64:
65: #define call_mem_get_func(func,addr) ((*func)(addr))
66: #define call_mem_put_func(func,addr,v) ((*func)(addr,v))
67:
68: #endif
69:
70: #undef NO_INLINE_MEMORY_ACCESS
1.1.1.2 ! root 71: #undef MD_HAVE_MEM_1_FUNCS
! 72:
! 73: #ifdef MD_HAVE_MEM_1_FUNCS
! 74: static __inline__ uae_u32 longget_1(uae_cptr addr)
! 75: {
! 76: uae_u32 result;
! 77:
! 78: __asm__ ("andl $0x00FFFFFF,%1\n"
! 79: "\tcmpb $0,(%1,%3)\n"
! 80: "\tleal 1f,%%ecx\n"
! 81: "\tje longget_stub\n"
! 82: "\taddl address_space,%1\n"
! 83: "\tmovl (%1),%0\n"
! 84: "\tbswapl %0\n"
! 85: "\t1:"
! 86: : "=c" (result), "=d" (addr) : "1" (addr), "r" (good_address_map) : "cc");
! 87: return result;
! 88: }
! 89: static __inline__ uae_u32 wordget_1(uae_cptr addr)
! 90: {
! 91: uae_u32 result;
! 92:
! 93: __asm__ ("andl $0x00FFFFFF,%1\n"
! 94: "\tcmpb $0,(%1,%3)\n"
! 95: "\tleal 1f,%%ecx\n"
! 96: "\tje wordget_stub\n"
! 97: "\taddl address_space,%1\n"
! 98: "\tmovzwl (%1),%0\n"
! 99: "\trolw $8,%w0\n"
! 100: "\t1:"
! 101: : "=c" (result), "=d" (addr) : "1" (addr), "r" (good_address_map) : "cc");
! 102: return result;
! 103: }
! 104: static __inline__ uae_u32 byteget_1(uae_cptr addr)
! 105: {
! 106: uae_u32 result;
! 107:
! 108: __asm__ ("andl $0x00FFFFFF,%1\n"
! 109: "\tcmpb $0,(%1,%3)\n"
! 110: "\tleal 1f,%%ecx\n"
! 111: "\tje byteget_stub\n"
! 112: "\taddl address_space,%1\n"
! 113: "\tmovzbl (%1),%0\n"
! 114: "\t1:"
! 115: : "=c" (result), "=d" (addr) : "1" (addr), "r" (good_address_map) : "cc");
! 116: return result;
! 117: }
! 118: static __inline__ void longput_1(uae_cptr addr, uae_u32 l)
! 119: {
! 120: __asm__ __volatile__("andl $0x00FFFFFF,%0\n"
! 121: "\tcmpb $0,(%0,%3)\n"
! 122: "\tleal 1f,%%ecx\n"
! 123: "\tje longput_stub\n"
! 124: "\taddl address_space,%0\n"
! 125: "\tbswapl %1\n"
! 126: "\tmovl %1,(%0)\n"
! 127: "\t1:"
! 128: : "=d" (addr), "=b" (l) : "0" (addr), "r" (good_address_map), "1" (l) : "cc", "memory", "ecx");
! 129: }
! 130: static __inline__ void wordput_1(uae_cptr addr, uae_u32 w)
! 131: {
! 132: __asm__ __volatile__("andl $0x00FFFFFF,%0\n"
! 133: "\tcmpb $0,(%0,%3)\n"
! 134: "\tleal 1f,%%ecx\n"
! 135: "\tje wordput_stub\n"
! 136: "\taddl address_space,%0\n"
! 137: "\trolw $8,%1\n"
! 138: "\tmovw %w1,(%0)\n"
! 139: "\t1:"
! 140: : "=d" (addr), "=b" (w) : "0" (addr), "r" (good_address_map), "1" (w) : "cc", "memory", "ecx");
! 141: }
! 142: static __inline__ void byteput_1(uae_cptr addr, uae_u32 b)
! 143: {
! 144: __asm__ __volatile__("andl $0x00FFFFFF,%0\n"
! 145: "\tcmpb $0,(%0,%3)\n"
! 146: "\tleal 1f,%%ecx\n"
! 147: "\tje byteput_stub\n"
! 148: "\taddl address_space,%0\n"
! 149: "\tmovb %b1,(%0)\n"
! 150: "\t1:"
! 151: : "=d" (addr), "=b" (b) : "0" (addr), "r" (good_address_map), "1" (b) : "cc", "memory", "ecx");
! 152: }
! 153:
! 154: #endif
! 155:
! 156: #define ALIGN_POINTER_TO32(p) ((~(unsigned long)(p)) & 3)
! 157:
! 158: /* Not the best place for this, but then there's no good place for a kludge
! 159: * like this... */
! 160: #define HAVE_UAE_U24
! 161: typedef struct {
! 162: unsigned char a, b, c;
! 163: } __attribute__ ((packed)) uae_u24;
! 164:
! 165: static __inline__ uae_u24 uae24_convert (uae_u32 v)
! 166: {
! 167: return *(uae_u24 *)&v;
! 168: }
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