Boris Shingarov has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/40938 )
Change subject: arch-power: Refactor argument registers
......................................................................
arch-power: Refactor argument registers
This reintroduces the argument register constants that
were removed in commit 7bb456f02 ("arch-power: Delete
unused register related constants"), adds a definition
for the sixth argument register and switches to these
constants to specify the arguments used by the system
call ABI.
Change-Id: I5804f4d2b27a04d0e7b69132e5abce5761b239f5
Signed-off-by: Sandipan Das <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40938
Reviewed-by: Boris Shingarov <[email protected]>
Maintainer: Boris Shingarov <[email protected]>
Tested-by: kokoro <[email protected]>
---
M src/arch/power/regs/int.hh
M src/arch/power/se_workload.cc
2 files changed, 12 insertions(+), 1 deletion(-)
Approvals:
Boris Shingarov: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/power/regs/int.hh b/src/arch/power/regs/int.hh
index 2d6a16b..f66be59 100644
--- a/src/arch/power/regs/int.hh
+++ b/src/arch/power/regs/int.hh
@@ -43,6 +43,12 @@
// Semantically meaningful register indices
const int ReturnValueReg = 3;
+const int ArgumentReg0 = 3;
+const int ArgumentReg1 = 4;
+const int ArgumentReg2 = 5;
+const int ArgumentReg3 = 6;
+const int ArgumentReg4 = 7;
+const int ArgumentReg5 = 8;
const int StackPointerReg = 1;
enum MiscIntRegNums
diff --git a/src/arch/power/se_workload.cc b/src/arch/power/se_workload.cc
index 31ff243..40179f1 100644
--- a/src/arch/power/se_workload.cc
+++ b/src/arch/power/se_workload.cc
@@ -31,7 +31,12 @@
{
const std::vector<int> SEWorkload::SyscallABI::ArgumentRegs = {
- 3, 4, 5, 6, 7, 8
+ ArgumentReg0,
+ ArgumentReg1,
+ ArgumentReg2,
+ ArgumentReg3,
+ ArgumentReg4,
+ ArgumentReg5
};
} // namespace PowerISA
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I5804f4d2b27a04d0e7b69132e5abce5761b239f5
Gerrit-Change-Number: 40938
Gerrit-PatchSet: 10
Gerrit-Owner: Sandipan Das <[email protected]>
Gerrit-Reviewer: Boris Shingarov <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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