diff options
Diffstat (limited to 'src/arch/alpha')
| -rw-r--r-- | src/arch/alpha/isa/branch.isa | 19 | ||||
| -rw-r--r-- | src/arch/alpha/isa/decoder.isa | 13 | ||||
| -rw-r--r-- | src/arch/alpha/isa/main.isa | 3 |
3 files changed, 16 insertions, 19 deletions
diff --git a/src/arch/alpha/isa/branch.isa b/src/arch/alpha/isa/branch.isa index feb15b158..def6f3c1d 100644 --- a/src/arch/alpha/isa/branch.isa +++ b/src/arch/alpha/isa/branch.isa @@ -221,10 +221,10 @@ def format CondBranch(code) {{ code = ''' bool cond; %(code)s; - PCState pc = PCS; if (cond) - pc.npc(pc.npc() + disp); - PCS = pc; + NPC = NPC + disp; + else + NPC = NPC; ''' % { "code" : code } iop = InstObjParams(name, Name, 'Branch', code, ('IsDirectControl', 'IsCondControl')) @@ -237,18 +237,17 @@ def format CondBranch(code) {{ let {{ def UncondCtrlBase(name, Name, base_class, npc_expr, flags): # Declare basic control transfer w/o link (i.e. link reg is R31) - readpc_code = 'PCState pc = PCS;' - nolink_code = 'pc.npc(%s);\nPCS = pc' % npc_expr + nolink_code = 'NPC = %s;\n' % npc_expr nolink_iop = InstObjParams(name, Name, base_class, - readpc_code + nolink_code, flags) + nolink_code, flags) header_output = BasicDeclare.subst(nolink_iop) decoder_output = BasicConstructor.subst(nolink_iop) exec_output = BasicExecute.subst(nolink_iop) # Generate declaration of '*AndLink' version, append to decls - link_code = 'Ra = pc.npc() & ~3;\n' + nolink_code + link_code = 'Ra = NPC & ~3;\n' + nolink_code link_iop = InstObjParams(name, Name + 'AndLink', base_class, - readpc_code + link_code, flags) + link_code, flags) header_output += BasicDeclare.subst(link_iop) decoder_output += BasicConstructor.subst(link_iop) exec_output += BasicExecute.subst(link_iop) @@ -263,13 +262,13 @@ def UncondCtrlBase(name, Name, base_class, npc_expr, flags): def format UncondBranch(*flags) {{ flags += ('IsUncondControl', 'IsDirectControl') (header_output, decoder_output, decode_block, exec_output) = \ - UncondCtrlBase(name, Name, 'Branch', 'pc.npc() + disp', flags) + UncondCtrlBase(name, Name, 'Branch', 'NPC + disp', flags) }}; def format Jump(*flags) {{ flags += ('IsUncondControl', 'IsIndirectControl') (header_output, decoder_output, decode_block, exec_output) = \ - UncondCtrlBase(name, Name, 'Jump', '(Rb & ~3) | (pc.npc() & 1)', flags) + UncondCtrlBase(name, Name, 'Jump', '(Rb & ~3) | (NPC & 1)', flags) }}; diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index 937b38fce..36458a047 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -850,10 +850,8 @@ decode OPCODE default Unknown::unknown() { bool dopal = xc->simPalCheck(palFunc); if (dopal) { - PCState pc = PCS; - xc->setMiscReg(IPR_EXC_ADDR, pc.npc()); - pc.npc(xc->readMiscReg(IPR_PAL_BASE) + palOffset); - PCS = pc; + xc->setMiscReg(IPR_EXC_ADDR, NPC); + NPC = xc->readMiscReg(IPR_PAL_BASE) + palOffset; } } }}, IsNonSpeculative); @@ -1019,14 +1017,13 @@ decode OPCODE default Unknown::unknown() { }}, IsNonSpeculative); #endif 0x54: m5panic({{ - panic("M5 panic instruction called at pc=%#x.", - xc->pcState().pc()); + panic("M5 panic instruction called at pc = %#x.", PC); }}, IsNonSpeculative); #define CPANN(lbl) CPA::cpa()->lbl(xc->tcBase()) 0x55: decode RA { 0x00: m5a_old({{ - panic("Deprecated M5 annotate instruction executed at pc=%#x\n", - xc->pcState().pc()); + panic("Deprecated M5 annotate instruction executed " + "at pc = %#x\n", PC); }}, IsNonSpeculative); 0x01: m5a_bsm({{ CPANN(swSmBegin); diff --git a/src/arch/alpha/isa/main.isa b/src/arch/alpha/isa/main.isa index ffc267cd2..fa0086fc7 100644 --- a/src/arch/alpha/isa/main.isa +++ b/src/arch/alpha/isa/main.isa @@ -186,7 +186,8 @@ def operands {{ 'Fb': ('FloatReg', 'df', 'FB', 'IsFloating', 2), 'Fc': ('FloatReg', 'df', 'FC', 'IsFloating', 3), 'Mem': ('Mem', 'uq', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4), - 'PCS': ('PCState', 'uq', None, ( None, None, 'IsControl' ), 4), + 'PC': ('PCState', 'uq', 'pc', ( None, None, 'IsControl' ), 4), + 'NPC': ('PCState', 'uq', 'npc', ( None, None, 'IsControl' ), 4), 'Runiq': ('ControlReg', 'uq', 'MISCREG_UNIQ', None, 1), 'FPCR': ('ControlReg', 'uq', 'MISCREG_FPCR', None, 1), 'IntrFlag': ('ControlReg', 'uq', 'MISCREG_INTR', None, 1), |