examples: remove old-style declarations

examples/corelogic_conv.py

@@ -1,4 +1,3 @@
-from migen.fhdl import structure as f
 from migen.fhdl import verilog
 from migen.corelogic import roundrobin, divider
 

examples/lm32_inst.py

@@ -1,47 +1,47 @@
-from migen.fhdl import structure as f
+from migen.fhdl.structure import *
 from migen.fhdl import verilog
 
 class LM32:
 	def __init__(self):
-		self.inst = f.Instance("lm32_top",
-			[("I_ADR_O", f.BV(32)),
-			("I_DAT_O", f.BV(32)),
-			("I_SEL_O", f.BV(4)),
-			("I_CYC_O", f.BV(1)),
-			("I_STB_O", f.BV(1)),
-			("I_WE_O", f.BV(1)),
-			("I_CTI_O", f.BV(3)),
-			("I_LOCK_O", f.BV(1)),
-			("I_BTE_O", f.BV(1)),
-			("D_ADR_O", f.BV(32)),
-			("D_DAT_O", f.BV(32)),
-			("D_SEL_O", f.BV(4)),
-			("D_CYC_O", f.BV(1)),
-			("D_STB_O", f.BV(1)),
-			("D_WE_O", f.BV(1)),
-			("D_CTI_O", f.BV(3)),
-			("D_LOCK_O", f.BV(1)),
-			("D_BTE_O", f.BV(1))],
-			[("interrupt", f.BV(32)),
-			("ext_break", f.BV(1)),
-			("I_DAT_I", f.BV(32)),
-			("I_ACK_I", f.BV(1)),
-			("I_ERR_I", f.BV(1)),
-			("I_RTY_I", f.BV(1)),
-			("D_DAT_I", f.BV(32)),
-			("D_ACK_I", f.BV(1)),
-			("D_ERR_I", f.BV(1)),
-			("D_RTY_I", f.BV(1))],
+		self.inst = Instance("lm32_top",
+			[("I_ADR_O", BV(32)),
+			("I_DAT_O", BV(32)),
+			("I_SEL_O", BV(4)),
+			("I_CYC_O", BV(1)),
+			("I_STB_O", BV(1)),
+			("I_WE_O", BV(1)),
+			("I_CTI_O", BV(3)),
+			("I_LOCK_O", BV(1)),
+			("I_BTE_O", BV(1)),
+			("D_ADR_O", BV(32)),
+			("D_DAT_O", BV(32)),
+			("D_SEL_O", BV(4)),
+			("D_CYC_O", BV(1)),
+			("D_STB_O", BV(1)),
+			("D_WE_O", BV(1)),
+			("D_CTI_O", BV(3)),
+			("D_LOCK_O", BV(1)),
+			("D_BTE_O", BV(1))],
+			[("interrupt", BV(32)),
+			("ext_break", BV(1)),
+			("I_DAT_I", BV(32)),
+			("I_ACK_I", BV(1)),
+			("I_ERR_I", BV(1)),
+			("I_RTY_I", BV(1)),
+			("D_DAT_I", BV(32)),
+			("D_ACK_I", BV(1)),
+			("D_ERR_I", BV(1)),
+			("D_RTY_I", BV(1))],
 			[],
 			"clk_i",
 			"rst_i",
 			"lm32")
 	
 	def get_fragment(self):
-		return f.Fragment(instances=[self.inst])
+		return Fragment(instances=[self.inst])
 
 cpus = [LM32() for i in range(4)]
-frag = f.Fragment()
+frag = Fragment()
 for cpu in cpus:
 	frag += cpu.get_fragment()
 print(verilog.Convert(frag, set([cpus[0].inst.ins["interrupt"], cpus[0].inst.outs["I_WE_O"]])))

examples/simple_gpio.py

@@ -1,4 +1,4 @@
-from migen.fhdl import structure as f
+from migen.fhdl.structure import *
 from migen.fhdl import verilog
 from migen.bank import description, csrgen
 
@@ -11,11 +11,11 @@ ireg = description.Register("i")
 ifield = description.Field(ireg, "val", ninputs, description.READ_ONLY, description.WRITE_ONLY)
 
 # input path
-gpio_in = f.Signal(f.BV(ninputs), name="gpio_in")
-gpio_in_s = f.Signal(f.BV(ninputs), name="gpio_in_s") # synchronizer
-incomb = [f.Assign(ifield.dev_we, 1)]
-insync = [f.Assign(gpio_in_s, gpio_in), f.Assign(ifield.dev_w, gpio_in_s)]
-inf = f.Fragment(incomb, insync)
+gpio_in = Signal(BV(ninputs))
+gpio_in_s = Signal(BV(ninputs)) # synchronizer
+incomb = [ifield.dev_we.eq(1)]
+insync = [gpio_in_s.eq(gpio_in), ifield.dev_w.eq(gpio_in_s)]
+inf = Fragment(incomb, insync)
 
 bank = csrgen.Bank([oreg, ireg])
 f = bank.get_fragment() + inf

examples/wb_intercon/intercon_conv.py

@@ -1,5 +1,4 @@
 from migen.fhdl import verilog
-from migen.fhdl import structure as f
 from migen.bus import wishbone
 
 m1 = wishbone.Master("m1")