From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTqei-0006E2-Kq for qemu-devel@nongnu.org; Thu, 11 Feb 2016 07:47:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aTqeh-00059B-RO for qemu-devel@nongnu.org; Thu, 11 Feb 2016 07:47:32 -0500 From: Thomas Huth Date: Thu, 11 Feb 2016 13:47:20 +0100 Message-Id: <1455194841-4283-4-git-send-email-thuth@redhat.com> In-Reply-To: <1455194841-4283-1-git-send-email-thuth@redhat.com> References: <1455194841-4283-1-git-send-email-thuth@redhat.com> Subject: [Qemu-devel] [PATCH v2 3/4] hw/ppc/spapr: Implement the h_set_xdabr hypercall List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Cc: qemu-devel@nongnu.org The H_SET_XDABR hypercall is similar to H_SET_DABR, but also sets the extended DABR (DABRX) register. Signed-off-by: Thomas Huth --- hw/ppc/spapr_hcall.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 0004ca5..6e9b6be 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -365,6 +365,27 @@ static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, return H_SUCCESS; } +static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + target_ulong dabrx = args[1]; + + if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) { + return H_HARDWARE; + } + + if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0 + || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) { + return H_PARAMETER; + } + + cpu_synchronize_state(CPU(cpu)); + cpu->env.spr[SPR_DABRX] = dabrx; + cpu->env.spr[SPR_DABR] = args[0]; + + return H_SUCCESS; +} + #define FLAGS_REGISTER_VPA 0x0000200000000000ULL #define FLAGS_REGISTER_DTL 0x0000400000000000ULL #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL @@ -1023,6 +1044,7 @@ static void hypercall_register_types(void) /* processor register resource access h-calls */ spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0); spapr_register_hypercall(H_SET_DABR, h_set_dabr); + spapr_register_hypercall(H_SET_XDABR, h_set_xdabr); spapr_register_hypercall(H_SET_MODE, h_set_mode); /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate -- 1.8.3.1