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doCpu0Stack:
/* insert protection from decrementer exceptions */
xor p0, p0, p0
LOADPTR (p1, 0x4c000064) /* load rfi (0x4c000064) to p1 */
stw p1, 0x900(r0) /* store rfi at 0x00000900 */
lis sp, HIADJ(RAM_LOW_ADRS)
addi sp, sp, LO(RAM_LOW_ADRS)
doneCpu0Stack:
addi sp, sp, -FRAMEBASESZ /* get frame stack */