diff options
Diffstat (limited to 'src/mesa/glapi/glsparcasm.py')
| -rw-r--r-- | src/mesa/glapi/glsparcasm.py | 130 |
1 files changed, 50 insertions, 80 deletions
diff --git a/src/mesa/glapi/glsparcasm.py b/src/mesa/glapi/glsparcasm.py index 98cbd477ef4..1964c15eccd 100644 --- a/src/mesa/glapi/glsparcasm.py +++ b/src/mesa/glapi/glsparcasm.py @@ -1,11 +1,11 @@ #!/usr/bin/env python -# $Id: glsparcasm.py,v 1.4 2001/08/03 13:16:31 davem69 Exp $ +# $Id: glsparcasm.py,v 1.5 2001/11/18 22:42:57 brianp Exp $ # Mesa 3-D graphics library -# Version: 3.5 +# Version: 4.1 # -# Copyright (C) 1999-2000 Brian Paul All Rights Reserved. +# Copyright (C) 1999-2001 Brian Paul All Rights Reserved. # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), @@ -25,19 +25,16 @@ # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# Generate the glapi_sparc.S assembly language file. +# Generate the src/SPARC/glapi_sparc.S file. # # Usage: -# glsparcasm.py >glapi_sparc.S +# gloffsets.py >glapi_sparc.S # # Dependencies: -# The gl.spec file from the SI must be in the current directory. -# -# Brian Paul 11 May 2000 -# David S. Miller 4 Jun 2001 +# The apispec file must be in the current directory. + -import string -import re +import apiparser; def PrintHead(): @@ -45,7 +42,7 @@ def PrintHead(): print '#include "glapioffsets.h"' print '' print '#define GL_PREFIX(n) gl##n' - print '#define GLOBL_FN(x) .globl x ; .type x,#function' + print '#define GLOBL_FN(x) .globl x' print '' print '/* The _glapi_Dispatch symbol addresses get relocated into the' print ' * sethi/or instruction sequences below at library init time.' @@ -58,7 +55,7 @@ def PrintHead(): print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */' print '\tflush\t%o0' print '\tretl' - print '\t nop' + print '\tnop' print '' print '.data' print '.align 64' @@ -66,7 +63,6 @@ def PrintHead(): print '.globl _mesa_sparc_glapi_begin' print '.type _mesa_sparc_glapi_begin,#function' print '_mesa_sparc_glapi_begin:' - print '' return #endif @@ -80,9 +76,43 @@ def PrintTail(): #endif -def GenerateDispatchCode(name, offset): + +records = [] + +def FindOffset(funcName): + for (name, alias, offset) in records: + if name == funcName: + return offset + #endif + #endfor + return -1 +#enddef + +def EmitFunction(name, returnType, argTypeList, argNameList, alias, offset): + argList = apiparser.MakeArgList(argTypeList, argNameList) + if alias != '': + dispatchName = alias + else: + dispatchName = name + #endif + + if offset < 0: + # try to find offset from alias name + assert dispatchName != '' + offset = FindOffset(dispatchName) + if offset == -1: + #print 'Cannot dispatch %s' % name + return + #endif + #endif + + # save this info in case we need to look up an alias later + records.append((name, dispatchName, offset)) + + # print the assembly code print '' print "GLOBL_FN(GL_PREFIX(%s))" % (name) + print '.type %s,#function' %(name) print "GL_PREFIX(%s):" % (name) print '#ifdef __sparc_v9__' print '\tsethi\t%hi(0x00000000), %g2' @@ -91,79 +121,19 @@ def GenerateDispatchCode(name, offset): print '\tor\t%g1, %lo(0x00000000), %g1' print '\tsllx\t%g2, 32, %g2' print '\tldx\t[%g1 + %g2], %g1' - print "\tsethi\t%%hi(8 * _gloffset_%s), %%g2" % (offset) - print "\tor\t%%g2, %%lo(8 * _gloffset_%s), %%g2" % (offset) + print "\tsethi\t%%hi(8 * _gloffset_%s), %%g2" % (dispatchName) + print "\tor\t%%g2, %%lo(8 * _gloffset_%s), %%g2" % (dispatchName) print '\tldx\t[%g1 + %g2], %g3' print '#else' print '\tsethi\t%hi(0x00000000), %g1' print '\tld\t[%g1 + %lo(0x00000000)], %g1' - print "\tld\t[%%g1 + (4 * _gloffset_%s)], %%g3" % (offset) + print "\tld\t[%%g1 + (4 * _gloffset_%s)], %%g3" % (dispatchName) print '#endif' print '\tjmpl\t%g3, %g0' + print '\tnop' #enddef -def FindAlias(list, funcName): - for i in range(0, len(list)): - entry = list[i] - if entry[0] == funcName: - return entry[1] - #endif - #endfor - return '' -#enddef - - - -def PrintDefines(): - functionPattern = re.compile('^[a-zA-Z0-9]+\(') - functionNamePattern = re.compile('^[a-zA-Z0-9]+') - - funcName = '' - functions = [ ] - - f = open('gl.spec') - for line in f.readlines(): - - m = functionPattern.match(line) - if m: - # extract funcName - n = functionNamePattern.findall(line) - funcName = n[0] - - m = string.split(line) - if len(m) > 1: - if m[0] == 'param': - paramName = m[1] - if m[0] == 'offset': - if m[1] == '?': - #print 'WARNING skipping', funcName - noop = 0 - else: - entry = [ funcName, funcName ] - functions.append(entry) - #endif - elif m[0] == 'alias': - aliasedName = FindAlias(functions, m[1]) - if aliasedName: - entry = [ funcName, aliasedName ] - functions.append(entry) - else: - print 'WARNING: alias to unknown function:', aliasedName - #endif - #endif - #endif - #endfor - - # Now generate the assembly dispatch code - for i in range(0, len(functions)): - entry = functions[i] - GenerateDispatchCode( entry[0], entry[1] ) - -#enddef - - - PrintHead() -PrintDefines() +apiparser.ProcessSpecFile("APIspec", EmitFunction) PrintTail() |