3 import sys
, os
, argparse
, subprocess
, struct
5 from mibuild
.tools
import write_to_file
6 from migen
.util
.misc
import autotype
7 from migen
.fhdl
import simplify
9 from misoclib
.soc
import cpuif
10 from misoclib
.cpu
import CPU
11 from misoclib
.mem
.sdram
.phy
import initsequence
13 from misoc_import
import misoc_import
16 parser
= argparse
.ArgumentParser(formatter_class
=argparse
.RawDescriptionHelpFormatter
,
18 MiSoC - a high performance and small footprint SoC based on Migen.
20 This program builds and/or loads MiSoC components.
21 One or several actions can be specified:
23 clean delete previous build(s).
24 build-bitstream build FPGA bitstream. Implies build-bios on targets with
26 build-headers build software header files with CPU/CSR/IRQ/SDRAM_PHY definitions.
27 build-csr-csv save CSR map into CSV file.
28 build-bios build BIOS. Implies build-header.
30 load-bitstream load bitstream into volatile storage.
31 flash-bitstream load bitstream into non-volatile storage.
32 flash-bios load BIOS into non-volatile storage.
34 all clean, build-bitstream, build-bios, flash-bitstream, flash-bios.
36 Load/flash actions use the existing outputs, and do not trigger new builds.
39 parser
.add_argument("-t", "--target", default
="mlabs_video", help="SoC type to build")
40 parser
.add_argument("-s", "--sub-target", default
="", help="variant of the SoC type to build")
41 parser
.add_argument("-p", "--platform", default
=None, help="platform to build for")
42 parser
.add_argument("-Ot", "--target-option", default
=[], nargs
=2, action
="append", help="set target-specific option")
43 parser
.add_argument("-Op", "--platform-option", default
=[], nargs
=2, action
="append", help="set platform-specific option")
44 parser
.add_argument("-X", "--external", default
="", help="use external directory for targets, platforms and imports")
45 parser
.add_argument("--csr_csv", default
="csr.csv", help="CSV file to save the CSR map into")
47 parser
.add_argument("-d", "--decorate", default
=[], action
="append", help="apply simplification decorator to top-level")
48 parser
.add_argument("-Ob", "--build-option", default
=[], nargs
=2, action
="append", help="set build option")
49 parser
.add_argument("-f", "--flash-proxy-dir", default
=None, help="set search directory for flash proxy bitstreams")
51 parser
.add_argument("action", nargs
="+", help="specify an action")
53 return parser
.parse_args()
55 if __name__
== "__main__":
59 external_platform
= ""
61 external_target
= os
.path
.join(args
.external
, "targets")
62 external_platform
= os
.path
.join(args
.external
, "platforms")
63 sys
.path
.insert(1, os
.path
.abspath(args
.external
))
65 # create top-level SoC object
66 target_module
= misoc_import("targets", external_target
, args
.target
)
68 top_class
= getattr(target_module
, args
.sub_target
)
70 top_class
= target_module
.default_subtarget
72 if args
.platform
is None:
73 if hasattr(top_class
, "default_platform"):
74 platform_name
= top_class
.default_platform
76 raise ValueError("Target has no default platform, specify a platform with -p your_platform")
78 platform_name
= args
.platform
79 platform_module
= misoc_import("mibuild.platforms", external_platform
, platform_name
)
80 platform_kwargs
= dict((k
, autotype(v
)) for k
, v
in args
.platform_option
)
81 platform
= platform_module
.Platform(**platform_kwargs
)
83 platform
.soc_ext_path
= os
.path
.abspath(args
.external
)
85 build_name
= top_class
.__name
__.lower() + "-" + platform_name
86 top_kwargs
= dict((k
, autotype(v
)) for k
, v
in args
.target_option
)
87 soc
= top_class(platform
, **top_kwargs
)
91 action_list
= ["clean", "build-bitstream", "build-headers", "build-csr-csv", "build-bios",
92 "load-bitstream", "flash-bitstream", "flash-bios", "all"]
93 actions
= {k
: False for k
in action_list
}
94 for action
in args
.action
:
96 actions
[action
] = True
98 print("Unknown action: "+action
+". Valid actions are:")
105 / |/ / (_) / __/__ / ___/
106 / /|_/ / / / _\ \/ _ \/ /__
107 /_/ /_/ /_/ /___/\___/\___/
109 a high performance and small footprint SoC based on Migen
111 ====== Building for: ======
116 ===========================""".format(platform_name
, args
.target
, top_class
.__name
__, soc
.cpu_type
))
120 actions
["clean"] = True
121 actions
["build-bitstream"] = True
122 actions
["build-bios"] = True
123 if not actions
["load-bitstream"]:
124 actions
["flash-bitstream"] = True
126 actions
["flash-bios"] = True
127 if actions
["build-bitstream"] and soc
.with_rom
:
128 actions
["build-bios"] = True
129 if actions
["build-bios"]:
130 actions
["build-headers"] = True
133 subprocess
.call(["rm", "-rf", "build/*"])
134 subprocess
.call(["make", "-C", "software/libcompiler-rt", "clean"])
135 subprocess
.call(["make", "-C", "software/libbase", "clean"])
136 subprocess
.call(["make", "-C", "software/libnet", "clean"])
137 subprocess
.call(["make", "-C", "software/bios", "clean"])
139 if actions
["build-headers"]:
147 """.format(platform_name
, args
.target
, top_class
.__name
__, soc
.cpu_type
)
148 if isinstance(soc
.cpu_or_bridge
, CPU
):
149 cpu_mak
= cpuif
.get_cpu_mak(soc
.cpu_type
)
150 write_to_file("software/include/generated/cpu.mak", cpu_mak
)
151 linker_output_format
= cpuif
.get_linker_output_format(soc
.cpu_type
)
152 write_to_file("software/include/generated/output_format.ld", linker_output_format
)
154 linker_regions
= cpuif
.get_linker_regions(soc
.memory_regions
)
155 write_to_file("software/include/generated/regions.ld", boilerplate
+ linker_regions
)
157 for sdram_phy
in ["sdrphy", "ddrphy"]:
158 if hasattr(soc
, sdram_phy
):
159 sdram_phy_header
= initsequence
.get_sdram_phy_header(getattr(soc
, sdram_phy
).settings
)
160 write_to_file("software/include/generated/sdram_phy.h", boilerplate
+ sdram_phy_header
)
161 mem_header
= cpuif
.get_mem_header(soc
.memory_regions
, getattr(soc
, "flash_boot_address", None))
162 write_to_file("software/include/generated/mem.h", boilerplate
+ mem_header
)
163 csr_header
= cpuif
.get_csr_header(soc
.csr_regions
, soc
.interrupt_map
)
164 write_to_file("software/include/generated/csr.h", boilerplate
+ csr_header
)
166 if actions
["build-csr-csv"]:
167 csr_csv
= cpuif
.get_csr_csv(soc
.csr_regions
)
168 write_to_file(args
.csr_csv
, csr_csv
)
170 if actions
["build-bios"]:
171 ret
= subprocess
.call(["make", "-C", "software/bios"])
173 raise OSError("BIOS build failed")
175 if actions
["build-bitstream"]:
177 with
open(soc
.cpu_boot_file
, "rb") as boot_file
:
180 w
= boot_file
.read(4)
183 boot_data
.append(struct
.unpack(">I", w
)[0])
184 soc
.init_rom(boot_data
)
186 for decorator
in args
.decorate
:
187 soc
= getattr(simplify
, decorator
)(soc
)
188 build_kwargs
= dict((k
, autotype(v
)) for k
, v
in args
.build_option
)
189 vns
= platform
.build(soc
, build_name
=build_name
, **build_kwargs
)
192 if actions
["load-bitstream"]:
193 prog
= platform
.create_programmer()
194 prog
.load_bitstream("build/" + build_name
+ platform
.bitstream_ext
)
196 if actions
["flash-bitstream"]:
197 prog
= platform
.create_programmer()
198 prog
.set_flash_proxy_dir(args
.flash_proxy_dir
)
199 if prog
.needs_bitreverse
:
200 flashbit
= "build/" + build_name
+ ".fpg"
201 subprocess
.call(["tools/byteswap",
202 "build/" + build_name
+ ".bin",
205 flashbit
= "build/" + build_name
+ ".bin"
206 prog
.flash(0, flashbit
)
208 if actions
["flash-bios"]:
209 prog
= platform
.create_programmer()
210 prog
.set_flash_proxy_dir(args
.flash_proxy_dir
)
211 prog
.flash(soc
.cpu_reset_address
, soc
.cpu_boot_file
)