1// -*- mode:c++ -*- 2 3// Copyright (c) 2010 ARM Limited 4// All rights reserved 5// 6// The license below extends only to copyright in the software and shall 7// not be construed as granting a license to any other intellectual 8// property including but not limited to intellectual property relating --- 24 unchanged lines hidden (view full) --- 33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37// 38// Authors: Gabe Black 39 40let {{ |
41 |
42 class LoadStoreInst(object): 43 def __init__(self): 44 self.fullExecTemplate = eval(self.execBase + 'Execute') 45 self.initiateAccTemplate = eval(self.execBase + 'InitiateAcc') 46 self.completeAccTemplate = eval(self.execBase + 'CompleteAcc') 47 self.declareTemplate = eval(self.decConstBase + 'Declare') 48 self.constructTemplate = eval(self.decConstBase + 'Constructor') |
49 |
50 def fillTemplates(self, name, Name, codeBlobs, memFlags, instFlags, 51 base = 'Memory'): 52 # Make sure flags are in lists (convert to lists if not). 53 memFlags = makeList(memFlags) 54 instFlags = makeList(instFlags) |
55 |
56 eaCode = codeBlobs["ea_code"] |
57 |
58 # This shouldn't be part of the eaCode, but until the exec templates 59 # are converted over it's the easiest place to put it. 60 eaCode += '\n unsigned memAccessFlags = ' 61 eaCode += (string.join(memFlags, '|') + ';') |
62 |
63 codeBlobs["ea_code"] = eaCode |
64 |
65 iop = InstObjParams(name, Name, base, codeBlobs, instFlags) |
66 |
67 # (header_output, decoder_output, decode_block, exec_output) 68 return (self.declareTemplate.subst(iop), 69 self.constructTemplate.subst(iop), 70 self.fullExecTemplate.subst(iop) 71 + self.initiateAccTemplate.subst(iop) 72 + self.completeAccTemplate.subst(iop)) |
73 74 def pickPredicate(blobs): 75 for val in blobs.values(): 76 if re.search('(?<!Opt)CondCodes', val): 77 return condPredicateTest 78 return predicateTest 79 |
80 def memClassName(base, post, add, writeback, \ 81 size=4, sign=False, user=False): 82 Name = base 83 |
84 parts = { "P" : post, "A" : add, "W" : writeback, 85 "S" : sign, "U" : user } |
86 |
87 for (letter, val) in parts.items(): 88 if val: 89 Name += "_%sY" % letter 90 else: 91 Name += "_%sN" % letter |
92 |
93 Name += ('_SZ%d' % size) 94 |
95 return Name 96 97 def buildMemSuffix(sign, size): 98 if size == 4: 99 memSuffix = '' 100 elif size == 2: 101 if sign: 102 memSuffix = '.sh' 103 else: 104 memSuffix = '.uh' 105 elif size == 1: 106 if sign: 107 memSuffix = '.sb' 108 else: 109 memSuffix = '.ub' 110 else: |
111 raise Exception, "Unrecognized size for access %d" % size |
112 113 return memSuffix 114 115 def buildMemBase(base, post, writeback): 116 if post and writeback: 117 base = "MemoryPostIndex<%s>" % base 118 elif not post and writeback: 119 base = "MemoryPreIndex<%s>" % base 120 elif not post and not writeback: 121 base = "MemoryOffset<%s>" % base 122 else: 123 raise Exception, "Illegal combination of post and writeback" 124 return base 125}}; 126 |