From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49089) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZKm7w-0006VL-Dz for qemu-devel@nongnu.org; Thu, 30 Jul 2015 07:35:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZKm7s-0002ko-7j for qemu-devel@nongnu.org; Thu, 30 Jul 2015 07:35:56 -0400 Received: from e18.ny.us.ibm.com ([129.33.205.208]:53176) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZKm7r-0002kU-TZ for qemu-devel@nongnu.org; Thu, 30 Jul 2015 07:35:52 -0400 Received: from /spool/local by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 30 Jul 2015 07:35:51 -0400 From: Michael Roth Date: Thu, 30 Jul 2015 06:32:59 -0500 Message-Id: <1438255988-10418-45-git-send-email-mdroth@linux.vnet.ibm.com> In-Reply-To: <1438255988-10418-1-git-send-email-mdroth@linux.vnet.ibm.com> References: <1438255988-10418-1-git-send-email-mdroth@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 44/53] mips/kvm: Sign extend registers written to KVM List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: James Hogan , kvm@vger.kernel.org, qemu-stable@nongnu.org, Paolo Bonzini , Leon Alrae , Aurelien Jarno From: James Hogan 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 Cc: Paolo Bonzini Cc: Leon Alrae Cc: Aurelien Jarno Cc: kvm@vger.kernel.org Cc: qemu-stable@nongnu.org Message-Id: <1429871214-23514-3-git-send-email-james.hogan@imgtec.com> Signed-off-by: Paolo Bonzini (cherry picked from commit 02dae26ac4ceb1e82c432cfca4d9b65ae82343c6) Signed-off-by: Michael Roth --- 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 1597bbe..d5388ca 100644 --- a/target-mips/kvm.c +++ b/target-mips/kvm.c @@ -633,12 +633,12 @@ 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); -- 1.9.1