Giacomo Travaglini merged this change by Giacomo Travaglini. (
https://gem5-review.googlesource.com/8369 )
Change subject: arch-arm: HLT using immediate when checking for semihosting
......................................................................
arch-arm: HLT using immediate when checking for semihosting
HLT can use the immediate field when checking for semihosting,
rather than re-parsing it from the machInst variable.
Change-Id: I072cb100029da34d129b90c5d17e1728f9016c88
Signed-off-by: Giacomo Travaglini <[email protected]>
Reviewed-by: Andreas Sandberg <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/8369
Maintainer: Andreas Sandberg <[email protected]>
---
M src/arch/arm/isa/insts/misc64.isa
1 file changed, 1 insertion(+), 1 deletion(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
diff --git a/src/arch/arm/isa/insts/misc64.isa
b/src/arch/arm/isa/insts/misc64.isa
index cf82ea3..17d8df1 100644
--- a/src/arch/arm/isa/insts/misc64.isa
+++ b/src/arch/arm/isa/insts/misc64.isa
@@ -177,7 +177,7 @@
hltCode = '''
ThreadContext *tc = xc->tcBase();
- if (ArmSystem::haveSemihosting(tc) && bits(machInst, 20, 5) == 0xF000)
{
+ if (ArmSystem::haveSemihosting(tc) && imm == 0xF000) {
X0 = ArmSystem::callSemihosting64(tc, X0 & mask(32), X1);
} else {
// HLT instructions aren't implemented, so treat them as undefined
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I072cb100029da34d129b90c5d17e1728f9016c88
Gerrit-Change-Number: 8369
Gerrit-PatchSet: 2
Gerrit-Owner: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Giacomo Travaglini <[email protected]>
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