src/mesa/glapi/gl_SPARC_asm.py

   1 #!/usr/bin/python2
   2
   3 # (C) Copyright IBM Corporation 2004
   4 # All Rights Reserved.
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining a
   7 # copy of this software and associated documentation files (the "Software"),
   8 # to deal in the Software without restriction, including without limitation
   9 # on the rights to use, copy, modify, merge, publish, distribute, sub
  10 # license, and/or sell copies of the Software, and to permit persons to whom
  11 # the Software is furnished to do so, subject to the following conditions:
  12 #
  13 # The above copyright notice and this permission notice (including the next
  14 # paragraph) shall be included in all copies or substantial portions of the
  15 # Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  20 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23 # IN THE SOFTWARE.
  24 #
  25 # Authors:
  26 #    Ian Romanick <idr@us.ibm.com>
  27
  28 from xml.sax import saxutils
  29 from xml.sax import make_parser
  30 from xml.sax.handler import feature_namespaces
  31
  32 import gl_XML
  33 import license
  34 import sys, getopt
  35
  36 class PrintGenericStubs(gl_XML.FilterGLAPISpecBase):
  37         name = "gl_SPARC_asm.py (from Mesa)"
  38
  39         def __init__(self):
  40                 gl_XML.FilterGLAPISpecBase.__init__(self)
  41                 self.license = license.bsd_license_template % ( \
  42 """Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  43 (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
  44
  45
  46         def printRealHeader(self):
  47                 print '#include "glapioffsets.h"'
  48                 print ''
  49                 print '#define GLOBL_FN(x) .globl x ; .type x,#function'
  50                 print ''
  51                 print '#if defined(__sparc_v9__) && !defined(__linux__)'
  52                 print '#  define GL_STUB(fn,off)\t\t\t\t\\'
  53                 print 'GLOBL_FN(fn) ; fn:\t\t\t\t\t\\'
  54                 print '\tsethi\t%hi(0x00000000), %g4 ;\t\t\t\\'
  55                 print '\tsethi\t%hi(0x00000000), %g1 ;\t\t\t\\'
  56                 print '\tor\t%g4, %lo(0x00000000), %g4 ;\t\t\\'
  57                 print '\tor\t%g1, %lo(0x00000000), %g1 ;\t\t\\'
  58                 print '\tsllx\t%g4, 32, %g4 ;\t\t\t\t\\'
  59                 print '\tldx\t[%g1 + %g4], %g1 ;\t\t\t\\'
  60                 print '\tsethi\t%hi(8 * off), %g4 ;\t\t\t\\'
  61                 print '\tor\t%g4, %lo(8 * off), %g4 ;\t\t\\'
  62                 print '\tldx\t[%g1 + %g4], %g5 ;\t\t\t\\'
  63                 print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
  64                 print '\tnop'
  65                 print '#else'
  66                 print '#  define GL_STUB(fn,off)\t\t\t\t\\'
  67                 print 'GLOBL_FN(fn) ; fn:\t\t\t\t\t\\'
  68                 print '\tsethi\t%hi(0x00000000), %g1 ;\t\t\t\\'
  69                 print '\tld\t[%g1 + %lo(0x00000000)], %g1 ;\t\t\\'
  70                 print '\tld\t[%g1 + (4 * off)], %g5 ;\t\t\\'
  71                 print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
  72                 print '\tnop'
  73                 print '#endif'
  74                 print ''
  75                 print '.text'
  76                 print '.align 32'
  77                 print 'GLOBL_FN(__glapi_sparc_icache_flush)'
  78                 print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */'
  79                 print '\tflush\t%o0'
  80                 print '\tretl'
  81                 print '\tnop'
  82                 print ''
  83                 print '.data'
  84                 print '.align 64'
  85                 print ''
  86                 print 'GLOBL_FN(_mesa_sparc_glapi_begin)'
  87                 print '_mesa_sparc_glapi_begin:'
  88                 print ''
  89                 return
  90
  91         def printRealFooter(self):
  92                 print ''
  93                 print 'GLOBL_FN(_mesa_sparc_glapi_end)'
  94                 print '_mesa_sparc_glapi_end:'
  95                 return
  96
  97         def printFunction(self, f):
  98                 print '\tGL_STUB(gl%s, _gloffset_%s)' % (f.name, f.real_name)
  99                 return
 100
 101 def show_usage():
 102         print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
 103         sys.exit(1)
 104
 105 if __name__ == '__main__':
 106         file_name = "gl_API.xml"
 107         mode = "generic"
 108
 109         try:
 110                 (args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
 111         except Exception,e:
 112                 show_usage()
 113
 114         for (arg,val) in args:
 115                 if arg == '-m':
 116                         mode = val
 117                 elif arg == "-f":
 118                         file_name = val
 119
 120         if mode == "generic":
 121                 dh = PrintGenericStubs()
 122         else:
 123                 print "ERROR: Invalid mode \"%s\" specified." % mode
 124                 show_usage()
 125
 126         parser = make_parser()
 127         parser.setFeature(feature_namespaces, 0)
 128         parser.setContentHandler(dh)
 129
 130         f = open(file_name)
 131
 132         dh.printHeader()
 133         parser.parse(f)
 134         dh.printFooter()