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authorNathanael Premillieu <nathanael.premillieu@arm.com>2017-04-05 12:46:06 -0500
committerAndreas Sandberg <andreas.sandberg@arm.com>2017-07-05 14:43:49 +0000
commit5e8287d2e2eaf058495442ea9e32fafc343a0b53 (patch)
tree7d0891b8984926f8e404d6ca8247f45695f9fc9b /src/cpu/static_inst.hh
parent864f87f9c56a66dceeca0f4e9470fbaa3001b627 (diff)
downloadgem5-5e8287d2e2eaf058495442ea9e32fafc343a0b53.tar.xz
arch, cpu: Architectural Register structural indexing
Replace the unified register mapping with a structure associating a class and an index. It is now much easier to know which class of register the index is referring to. Also, when adding a new class there is no need to modify existing ones. Change-Id: I55b3ac80763702aa2cd3ed2cbff0a75ef7620373 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> [ Fix RISCV build issues ] Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2700
Diffstat (limited to 'src/cpu/static_inst.hh')
-rw-r--r--src/cpu/static_inst.hh11
1 files changed, 5 insertions, 6 deletions
diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh
index 684a22856..751301095 100644
--- a/src/cpu/static_inst.hh
+++ b/src/cpu/static_inst.hh
@@ -42,6 +42,7 @@
#include "base/types.hh"
#include "config/the_isa.hh"
#include "cpu/op_class.hh"
+#include "cpu/reg_class.hh"
#include "cpu/static_inst_fwd.hh"
#include "cpu/thread_context.hh"
#include "enums/StaticInstFlags.hh"
@@ -70,8 +71,6 @@ class StaticInst : public RefCounted, public StaticInstFlags
public:
/// Binary extended machine instruction type.
typedef TheISA::ExtMachInst ExtMachInst;
- /// Logical register index type.
- typedef TheISA::RegIndex RegIndex;
enum {
MaxInstSrcRegs = TheISA::MaxInstSrcRegs, //< Max source regs
@@ -185,11 +184,11 @@ class StaticInst : public RefCounted, public StaticInstFlags
/// Return logical index (architectural reg num) of i'th destination reg.
/// Only the entries from 0 through numDestRegs()-1 are valid.
- RegIndex destRegIdx(int i) const { return _destRegIdx[i]; }
+ RegId destRegIdx(int i) const { return _destRegIdx[i]; }
/// Return logical index (architectural reg num) of i'th source reg.
/// Only the entries from 0 through numSrcRegs()-1 are valid.
- RegIndex srcRegIdx(int i) const { return _srcRegIdx[i]; }
+ RegId srcRegIdx(int i) const { return _srcRegIdx[i]; }
/// Pointer to a statically allocated "null" instruction object.
/// Used to give eaCompInst() and memAccInst() something to return
@@ -220,9 +219,9 @@ class StaticInst : public RefCounted, public StaticInstFlags
protected:
/// See destRegIdx().
- RegIndex _destRegIdx[MaxInstDestRegs];
+ RegId _destRegIdx[MaxInstDestRegs];
/// See srcRegIdx().
- RegIndex _srcRegIdx[MaxInstSrcRegs];
+ RegId _srcRegIdx[MaxInstSrcRegs];
/**
* Base mnemonic (e.g., "add"). Used by generateDisassembly()