diff options
| -rw-r--r-- | arch/alpha/isa_desc | 7 | ||||
| -rw-r--r-- | cpu/static_inst.hh | 9 |
2 files changed, 12 insertions, 4 deletions
diff --git a/arch/alpha/isa_desc b/arch/alpha/isa_desc index 3533da09f..51bce65c2 100644 --- a/arch/alpha/isa_desc +++ b/arch/alpha/isa_desc @@ -1287,6 +1287,13 @@ declare {{ { } + Addr branchTarget(ExecContext *xc) + { + Addr NPC = xc->readPC() + 4; + uint64_t Rb = xc->readIntReg(_srcRegIdx[0]); + return (Rb & ~3) | (NPC & 1); + } + std::string generateDisassembly(Addr pc, const SymbolTable *symtab) { std::stringstream ss; diff --git a/cpu/static_inst.hh b/cpu/static_inst.hh index 644c7dfc4..f3fd6fa24 100644 --- a/cpu/static_inst.hh +++ b/cpu/static_inst.hh @@ -312,10 +312,11 @@ class StaticInst : public StaticInstBase } /** - * Return the target address for an indirect branch (jump). - * The register value is read from the supplied execution context. - * Invalid if not an indirect branch (i.e. isIndirectCtrl() - * should be true). + * Return the target address for an indirect branch (jump). The + * register value is read from the supplied execution context, so + * the result is valid only if the execution context is about to + * execute the branch in question. Invalid if not an indirect + * branch (i.e. isIndirectCtrl() should be true). */ virtual Addr branchTarget(ExecContext *xc) { |