def init_mm_buffer(self, addr, size, offset = 0):
code = spu.get_active_code()
util.set_slot_value(code, self.mm_buffer, 0, addr)
util.set_slot_value(code, self.mm_buffer, 1, size)
util.set_slot_value(code, self.mm_buffer, 2, offset)
return
def init_mm_buffer(self, addr, size, offset=0):
code = spu.get_active_code()
util.set_slot_value(code, self.mm_buffer, 0, addr)
util.set_slot_value(code, self.mm_buffer, 1, size)
util.set_slot_value(code, self.mm_buffer, 2, offset)
return
def save_ls_buffer(self, ls_size = None, branch = False):
code = spu.get_active_code()
regs = []
if ls_size is None:
ls_size = code.acquire_register()
regs.append(ls_size)
# Set the main memory address
mm_offset = code.acquire_register()
regs.append(mm_offset)
spu.rotqbyi(mm_offset, self.mm_buffer, 4)
spu.a(mm_offset, mm_offset, self.mm_buffer)
# Tranfer the buffer
md = spuiter.memory_desc('b')
md.set_size_reg(ls_size)
md.set_addr_reg(mm_offset)
md.put(code, self.ls_buffer)
# Increment the main memory offset
mm_size = code.acquire_register()
regs.append(mm_size)
spu.rotqbyi(mm_size, self.mm_buffer, 8)
spu.rotqbyi(mm_offset, self.mm_buffer, 4)
spu.a(mm_offset, mm_offset, mm_size)
util.set_slot_value(code, self.mm_buffer, 2, mm_offset)
# Reset the ls offset
util.set_slot_value(code, self.ls_buffer, 2, 0)
code.release_registers(regs)
return
def save_ls_buffer(self, ls_size=None, branch=False):
code = spu.get_active_code()
regs = []
if ls_size is None:
ls_size = code.acquire_register()
regs.append(ls_size)
# Set the main memory address
mm_offset = code.acquire_register()
regs.append(mm_offset)
spu.rotqbyi(mm_offset, self.mm_buffer, 4)
spu.a(mm_offset, mm_offset, self.mm_buffer)
# Tranfer the buffer
md = spuiter.memory_desc('b')
md.set_size_reg(ls_size)
md.set_addr_reg(mm_offset)
md.put(code, self.ls_buffer)
# Increment the main memory offset
mm_size = code.acquire_register()
regs.append(mm_size)
spu.rotqbyi(mm_size, self.mm_buffer, 8)
spu.rotqbyi(mm_offset, self.mm_buffer, 4)
spu.a(mm_offset, mm_offset, mm_size)
util.set_slot_value(code, self.mm_buffer, 2, mm_offset)
# Reset the ls offset
util.set_slot_value(code, self.ls_buffer, 2, 0)
code.release_registers(regs)
return