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[Qemu-stable] [PULL 02/11] mips/kvm: Sign extend registers written to KV
From: |
Paolo Bonzini |
Subject: |
[Qemu-stable] [PULL 02/11] mips/kvm: Sign extend registers written to KVM |
Date: |
Thu, 16 Jul 2015 18:55:49 +0200 |
From: James Hogan <address@hidden>
In case we're running on a 64-bit host, be sure to sign extend the
general purpose registers and hi/lo/pc before writing them to KVM, so as
to take advantage of MIPS32/MIPS64 compatibility.
Signed-off-by: James Hogan <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Leon Alrae <address@hidden>
Cc: Aurelien Jarno <address@hidden>
Cc: address@hidden
Cc: address@hidden
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
target-mips/kvm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/target-mips/kvm.c b/target-mips/kvm.c
index 85256f3..d287d42 100644
--- a/target-mips/kvm.c
+++ b/target-mips/kvm.c
@@ -628,12 +628,12 @@ int kvm_arch_put_registers(CPUState *cs, int level)
/* Set the registers based on QEMU's view of things */
for (i = 0; i < 32; i++) {
- regs.gpr[i] = env->active_tc.gpr[i];
+ regs.gpr[i] = (int64_t)(target_long)env->active_tc.gpr[i];
}
- regs.hi = env->active_tc.HI[0];
- regs.lo = env->active_tc.LO[0];
- regs.pc = env->active_tc.PC;
+ regs.hi = (int64_t)(target_long)env->active_tc.HI[0];
+ regs.lo = (int64_t)(target_long)env->active_tc.LO[0];
+ regs.pc = (int64_t)(target_long)env->active_tc.PC;
ret = kvm_vcpu_ioctl(cs, KVM_SET_REGS, ®s);
--
2.4.3
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