add spinalhdl support (riscv#108)

* add spinalhdl support Signed-off-by: ncer <[email protected]> * restruct chisel and spinalhdl parser Signed-off-by: ncer <[email protected]>
borneoa · May 1, 2022 · 71ecf35 · 71ecf35
1 parent 75b28f2
commit 71ecf35
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Showing 3 changed files with 28 additions and 3 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,7 @@
 .*.swp
 encoding.out.h
 inst.chisel
+inst.spinalhdl
 inst.go
 instr-table.tex
 priv-instr-table.tex
diff --git a/Makefile b/Makefile
@@ -11,7 +11,7 @@ ALL_REAL_OPCODES := $(ALL_REAL_ILEN32_OPCODES) opcodes-rvc opcodes-rv32c opcodes
 
 ALL_OPCODES := opcodes-pseudo $(ALL_REAL_OPCODES) opcodes-rvv-pseudo
 
-install: encoding.out.h inst.chisel instr-table.tex priv-instr-table.tex
+install: encoding.out.h inst.chisel inst.spinalhdl instr-table.tex priv-instr-table.tex
 	set -e; for FILE in $(INSTALL_HEADER_FILES); do cp -f encoding.out.h $$FILE; done
 
 encoding.out.h: $(ALL_OPCODES) parse_opcodes encoding.h
@@ -26,6 +26,9 @@ encoding.out.h: $(ALL_OPCODES) parse_opcodes encoding.h
 inst.chisel: $(ALL_OPCODES) parse_opcodes
 	cat $(ALL_OPCODES) | ./parse_opcodes -chisel > $@
 
+inst.spinalhdl: $(ALL_OPCODES) parse_opcodes
+	cat $(ALL_OPCODES) | ./parse_opcodes -spinalhdl > $@
+
 inst.go: $(ALL_REAL_ILEN32_OPCODES) parse_opcodes
 	cat $(ALL_REAL_ILEN32_OPCODES) | ./parse_opcodes -go > $@
 

diff --git a/parse_opcodes b/parse_opcodes
@@ -1037,11 +1037,24 @@ def print_chisel_insn(name):
       s = s + '?'
   print(s + "\")")
 
-def make_chisel():
+def print_spinalhdl_insn(name):
+  s = "  def %-18s = M\"" % name.replace('.', '_').upper()
+  for i in range(31, -1, -1):
+    if yank(mask[name], i, 1):
+      s = '%s%d' % (s, yank(match[name], i, 1))
+    else:
+      s = s + '-'
+  print(s + "\"")
+
+def make_scala(hdl):
+  if hdl == "chisel":
+      print_fun=print_chisel_insn
+  else:
+      print_fun=print_spinalhdl_insn
   print('/* Automatically generated by parse_opcodes */')
   print('object Instructions {')
   for name in namelist:
-    print_chisel_insn(name)
+      print_fun(name)
   print('}')
   print('object Causes {')
   for num, name in causes:
@@ -1070,6 +1083,12 @@ def make_chisel():
   print('  }')
   print('}')
 
+def make_chisel():
+  make_scala("chisel")
+
+def make_spinalhdl():
+  make_scala("spinalhdl")
+
 def print_sverilog_insn(name):
   s = "  localparam [31:0] %-18s = 32'b" % name.replace('.', '_').upper()
   for i in range(31, -1, -1):
@@ -1228,6 +1247,8 @@ if __name__ == "__main__":
     make_supervisor_latex_table()
   elif sys.argv[1] == '-chisel':
     make_chisel()
+  elif sys.argv[1] == '-spinalhdl':
+    make_spinalhdl()
   elif sys.argv[1] == '-sverilog':
     make_sverilog()
   elif sys.argv[1] == '-c':