Changes in boot/arch/sparc64/src/asm.S [a2da43c:b97b348] in mainline
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boot/arch/sparc64/src/asm.S (modified) (2 diffs)
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boot/arch/sparc64/src/asm.S
ra2da43c rb97b348 42 42 .global start 43 43 .global halt 44 .global memcpy 44 45 .global jump_to_kernel 45 46 … … 97 98 ba %xcc, halt 98 99 nop 100 101 memcpy: 102 ! Save dst 103 104 mov %o0, %o3 105 add %o1, 7, %g1 106 and %g1, -8, %g1 107 cmp %o1, %g1 108 be,pn %xcc, 3f 109 add %o0, 7, %g1 110 mov 0, %g3 111 112 0: 113 brz,pn %o2, 2f 114 mov 0, %g2 115 116 1: 117 ldub [%g3 + %o1], %g1 118 add %g2, 1, %g2 119 cmp %o2, %g2 120 stb %g1, [%g3 + %o0] 121 bne,pt %xcc, 1b 122 mov %g2, %g3 123 124 2: 125 ! Exit point 126 127 jmp %o7 + 8 128 mov %o3, %o0 129 130 3: 131 and %g1, -8, %g1 132 cmp %o0, %g1 133 bne,pt %xcc, 0b 134 mov 0, %g3 135 srlx %o2, 3, %g4 136 brz,pn %g4, 5f 137 mov 0, %g5 138 139 4: 140 sllx %g3, 3, %g2 141 add %g5, 1, %g3 142 ldx [%o1 + %g2], %g1 143 mov %g3, %g5 144 cmp %g4, %g3 145 bne,pt %xcc, 4b 146 stx %g1, [%o0 + %g2] 147 148 5: 149 and %o2, 7, %o2 150 brz,pn %o2, 2b 151 sllx %g4, 3, %g1 152 mov 0, %g2 153 add %g1, %o0, %o0 154 add %g1, %o1, %g4 155 mov 0, %g3 156 157 6: 158 ldub [%g2 + %g4], %g1 159 stb %g1, [%g2 + %o0] 160 add %g3, 1, %g2 161 cmp %o2, %g2 162 bne,pt %xcc, 6b 163 mov %g2, %g3 164 165 ! Exit point 166 167 jmp %o7 + 8 168 mov %o3, %o0 99 169 100 170 jump_to_kernel:
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