src/mesa/glapi/gl_SPARC_asm.py

   1 #!/usr/bin/env python
   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 import gl_XML, license
  29 import sys, getopt
  30
  31 class PrintGenericStubs(gl_XML.gl_print_base):
  32         def __init__(self):
  33                 gl_XML.gl_print_base.__init__(self)
  34                 self.name = "gl_SPARC_asm.py (from Mesa)"
  35                 self.license = license.bsd_license_template % ( \
  36 """Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  37 (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
  38
  39
  40         def printRealHeader(self):
  41                 print '#include "glapioffsets.h"'
  42                 print ''
  43                 print '#ifdef __arch64__'
  44                 print '#  define GL_STUB(fn,off)\t\t\t\t\\'
  45                 print 'fn:\t\t\t\t\t\\'
  46                 print '\tsethi\t%hi(0xDEADBEEF), %g4 ;\t\t\t\\'
  47                 print '\tsethi\t%hi(0xDEADBEEF), %g1 ;\t\t\t\\'
  48                 print '\tor\t%g4, %lo(0xDEADBEEF), %g4 ;\t\t\\'
  49                 print '\tor\t%g1, %lo(0xDEADBEEF), %g1 ;\t\t\\'
  50                 print '\tsllx\t%g4, 32, %g4 ;\t\t\t\t\\'
  51                 print '\tldx\t[%g1 + %g4], %g1 ;\t\t\t\\'
  52                 print '\tsethi\t%hi(8 * off), %g4 ;\t\t\t\\'
  53                 print '\tor\t%g4, %lo(8 * off), %g4 ;\t\t\\'
  54                 print '\tldx\t[%g1 + %g4], %g5 ;\t\t\t\\'
  55                 print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
  56                 print '\tnop'
  57                 print '#else'
  58                 print '#  define GL_STUB(fn,off)\t\t\t\t\\'
  59                 print 'fn:\t\t\t\t\t\\'
  60                 print '\tsethi\t%hi(0xDEADBEEF), %g1 ;\t\t\t\\'
  61                 print '\tld\t[%g1 + %lo(0xDEADBEEF)], %g1 ;\t\t\\'
  62                 print '\tld\t[%g1 + (4 * off)], %g5 ;\t\t\\'
  63                 print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
  64                 print '\tnop'
  65                 print '#endif'
  66                 print ''
  67                 print '#define GL_STUB_ALIAS(fn,alias) fn = alias'
  68                 print ''
  69                 print '.text'
  70                 print '.align 32'
  71                 print '\t\t.globl __glapi_sparc_icache_flush ; .type __glapi_sparc_icache_flush,#function'
  72                 print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */'
  73                 print '\tflush\t%o0'
  74                 print '\tretl'
  75                 print '\tnop'
  76                 print ''
  77                 print '.data'
  78                 print '.align 64'
  79                 print ''
  80                 return
  81
  82
  83         def printBody(self, api):
  84                 for f in api.functionIterateByOffset():
  85                         if f.is_static_entry_point(f.name):
  86                                 name = f.name
  87                         else:
  88                                 name = "_dispatch_stub_%u" % (f.offset)
  89
  90                         print '\t\t.globl gl%s ; .type gl%s,#function' % (name, name)
  91
  92                 print '\t\t.globl _mesa_sparc_glapi_begin ; .type _mesa_sparc_glapi_begin,#function'
  93                 print '_mesa_sparc_glapi_begin:'
  94                 print ''
  95
  96                 for f in api.functionIterateByOffset():
  97                         if f.is_static_entry_point(f.name):
  98                                 name = f.name
  99                         else:
 100                                 name = "_dispatch_stub_%u" % (f.offset)
 101
 102                         print '\tGL_STUB(gl%s, _gloffset_%s)' % (name, name)
 103
 104                 print ''
 105                 print '\t\t.globl _mesa_sparc_glapi_end ; .type _mesa_sparc_glapi_end,#function'
 106                 print '_mesa_sparc_glapi_end:'
 107                 print ''
 108
 109
 110                 for f in api.functionIterateByOffset():
 111                         for n in f.entry_points:
 112                                 if n != f.name:
 113                                         if f.is_static_entry_point(n):
 114                                                 print '\t.globl gl%s ; .type gl%s,#function ; gl%s = gl%s' % (n, n, n, f.name)
 115
 116                 return
 117
 118
 119 def show_usage():
 120         print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
 121         sys.exit(1)
 122
 123 if __name__ == '__main__':
 124         file_name = "gl_API.xml"
 125         mode = "generic"
 126
 127         try:
 128                 (args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
 129         except Exception,e:
 130                 show_usage()
 131
 132         for (arg,val) in args:
 133                 if arg == '-m':
 134                         mode = val
 135                 elif arg == "-f":
 136                         file_name = val
 137
 138         if mode == "generic":
 139                 printer = PrintGenericStubs()
 140         else:
 141                 print "ERROR: Invalid mode \"%s\" specified." % mode
 142                 show_usage()
 143
 144         api = gl_XML.parse_GL_API( file_name )
 145
 146         printer.Print( api )