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authorGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:04 -0500
committerGabe Black <gblack@eecs.umich.edu>2010-06-02 12:58:04 -0500
commitcb631d87c3cb676e9d25c3ffbcd76580a3393b05 (patch)
treef989be2064764f91d99cbd44c6a6e5e8cbaddd7d /src
parent3a11412c995f462b9fc7eb7b688cb7d7e0011680 (diff)
downloadgem5-cb631d87c3cb676e9d25c3ffbcd76580a3393b05.tar.xz
ARM: Add floating point load/store microops.
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm/isa/insts/macromem.isa44
1 files changed, 29 insertions, 15 deletions
diff --git a/src/arch/arm/isa/insts/macromem.isa b/src/arch/arm/isa/insts/macromem.isa
index 0f07a87c4..0a593cf00 100644
--- a/src/arch/arm/isa/insts/macromem.isa
+++ b/src/arch/arm/isa/insts/macromem.isa
@@ -58,6 +58,13 @@ let {{
'predicate_test': predicateTest},
['IsMicroop'])
+ microLdrFpUopIop = InstObjParams('ldrfp_uop', 'MicroLdrFpUop',
+ 'MicroMemOp',
+ {'memacc_code': 'Fa = Mem;',
+ 'ea_code': 'EA = Rb + (up ? imm : -imm);',
+ 'predicate_test': predicateTest},
+ ['IsMicroop'])
+
microLdrRetUopCode = '''
Ra = Mem;
uint32_t newCpsr =
@@ -80,21 +87,28 @@ let {{
'predicate_test': predicateTest},
['IsMicroop'])
- header_output = MicroMemDeclare.subst(microLdrUopIop) + \
- MicroMemDeclare.subst(microLdrRetUopIop) + \
- MicroMemDeclare.subst(microStrUopIop)
- decoder_output = MicroMemConstructor.subst(microLdrUopIop) + \
- MicroMemConstructor.subst(microLdrRetUopIop) + \
- MicroMemConstructor.subst(microStrUopIop)
- exec_output = LoadExecute.subst(microLdrUopIop) + \
- LoadExecute.subst(microLdrRetUopIop) + \
- StoreExecute.subst(microStrUopIop) + \
- LoadInitiateAcc.subst(microLdrUopIop) + \
- LoadInitiateAcc.subst(microLdrRetUopIop) + \
- StoreInitiateAcc.subst(microStrUopIop) + \
- LoadCompleteAcc.subst(microLdrUopIop) + \
- LoadCompleteAcc.subst(microLdrRetUopIop) + \
- StoreCompleteAcc.subst(microStrUopIop)
+ microStrFpUopIop = InstObjParams('strfp_uop', 'MicroStrFpUop',
+ 'MicroMemOp',
+ {'memacc_code': 'Mem = Fa;',
+ 'ea_code': 'EA = Rb + (up ? imm : -imm);',
+ 'predicate_test': predicateTest},
+ ['IsMicroop'])
+
+ header_output = decoder_output = exec_output = ''
+
+ loadIops = (microLdrUopIop, microLdrFpUopIop, microLdrRetUopIop)
+ storeIops = (microStrUopIop, microStrFpUopIop)
+ for iop in loadIops + storeIops:
+ header_output += MicroMemDeclare.subst(iop)
+ decoder_output += MicroMemConstructor.subst(iop)
+ for iop in loadIops:
+ exec_output += LoadExecute.subst(iop) + \
+ LoadInitiateAcc.subst(iop) + \
+ LoadCompleteAcc.subst(iop)
+ for iop in storeIops:
+ exec_output += StoreExecute.subst(iop) + \
+ StoreInitiateAcc.subst(iop) + \
+ StoreCompleteAcc.subst(iop)
}};
////////////////////////////////////////////////////////////////////