Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.2-20190821' into staging

ppc patch queue for 2019-08-21

First ppc and spapr pull request for qemu-4.2.  Includes:
   * Some TCG emulation fixes and performance improvements
   * Support for the mffsl instruction in TCG
   * Added missing DPDES SPR
   * Some enhancements to the emulation of the XIVE interrupt
     controller
   * Cleanups to spapr MSI management
   * Some new suspend/resume infrastructure and a draft suspend
     implementation for spapr
   * New spapr hypercall for TPM communication (will be needed for
     secure guests under an Ultravisor)
   * Fix several memory leaks

And a few other assorted fixes.

# gpg: Signature made Wed 21 Aug 2019 08:24:44 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-4.2-20190821: (42 commits)
  ppc: Fix emulated single to double denormalized conversions
  ppc: Fix emulated INFINITY and NAN conversions
  ppc: conform to processor User's Manual for xscvdpspn
  ppc: Add support for 'mffsl' instruction
  target/ppc: Add Directed Privileged Door-bell Exception State (DPDES) SPR
  spapr/xive: Mask the EAS when allocating an IRQ
  spapr: Implement better workaround in spapr-vty device
  spapr/irq: Drop spapr_irq_msi_reset()
  spapr/pci: Free MSIs during reset
  spapr/pci: Consolidate de-allocation of MSIs
  ppc: remove idle_timer logic
  spapr: Implement ibm,suspend-me
  i386: use machine class ->wakeup method
  machine: Add wakeup method to MachineClass
  ppc/xive: Improve 'info pic' support
  ppc/xive: Provide silent escalation support
  ppc/xive: Provide unconditional escalation support
  ppc/xive: Provide escalation support
  ppc/xive: Provide backlog support
  ppc/xive: Implement TM_PULL_OS_CTX special command
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

47 files changed, 1416 insertions, 610 deletions

diff --git a/disas/ppc.c b/disas/ppc.c
index a545437..63e97cf 100644
--- a/disas/ppc.c
+++ b/disas/ppc.c
@@ -1765,6 +1765,9 @@ extract_tbr (unsigned long insn,
 /* An X_MASK with the RA and RB fields fixed.  */
 #define XRARB_MASK (X_MASK | RA_MASK | RB_MASK)
 
+/* An X form instruction with the RA field fixed.  */
+#define XRA(op, xop, ra) (X((op), (xop)) | (((ra) << 16) & XRA_MASK))
+
 /* An XRARB_MASK, but with the L bit clear.  */
 #define XRLARB_MASK (XRARB_MASK & ~((unsigned long) 1 << 16))
 
@@ -4998,6 +5001,8 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 { "ddivq",   XRC(63,546,0), X_MASK,	POWER6,		{ FRT, FRA, FRB } },
 { "ddivq.",  XRC(63,546,1), X_MASK,	POWER6,		{ FRT, FRA, FRB } },
 
+{ "mffsl",   XRA(63,583,12), XRARB_MASK,	POWER9,	{ FRT } },
+
 { "mffs",    XRC(63,583,0), XRARB_MASK,	COM,		{ FRT } },
 { "mffs.",   XRC(63,583,1), XRARB_MASK,	COM,		{ FRT } },
 
diff --git a/docs/specs/ppc-spapr-uv-hcalls.txt b/docs/specs/ppc-spapr-uv-hcalls.txt
new file mode 100644
index 0000000..389c274
--- /dev/null
+++ b/docs/specs/ppc-spapr-uv-hcalls.txt
@@ -0,0 +1,76 @@
+On PPC64 systems supporting Protected Execution Facility (PEF), system
+memory can be placed in a secured region where only an "ultravisor"
+running in firmware can provide to access it. pseries guests on such
+systems can communicate with the ultravisor (via ultracalls) to switch to a
+secure VM mode (SVM) where the guest's memory is relocated to this secured
+region, making its memory inaccessible to normal processes/guests running on
+the host.
+
+The various ultracalls/hypercalls relating to SVM mode are currently
+only documented internally, but are planned for direct inclusion into the
+public OpenPOWER version of the PAPR specification (LoPAPR/LoPAR). An internal
+ACR has been filed to reserve a hypercall number range specific to this
+use-case to avoid any future conflicts with the internally-maintained PAPR
+specification. This document summarizes some of these details as they relate
+to QEMU.
+
+== hypercalls needed by the ultravisor ==
+
+Switching to SVM mode involves a number of hcalls issued by the ultravisor
+to the hypervisor to orchestrate the movement of guest memory to secure
+memory and various other aspects SVM mode. Numbers are assigned for these
+hcalls within the reserved range 0xEF00-0xEF80. The below documents the
+hcalls relevant to QEMU.
+
+- H_TPM_COMM (0xef10)
+
+  For TPM_COMM_OP_EXECUTE operation:
+    Send a request to a TPM and receive a response, opening a new TPM session
+    if one has not already been opened.
+
+  For TPM_COMM_OP_CLOSE_SESSION operation:
+    Close the existing TPM session, if any.
+
+  Arguments:
+
+    r3 : H_TPM_COMM (0xef10)
+    r4 : TPM operation, one of:
+         TPM_COMM_OP_EXECUTE (0x1)
+         TPM_COMM_OP_CLOSE_SESSION (0x2)
+    r5 : in_buffer, guest physical address of buffer containing the request
+         - Caller may use the same address for both request and response
+    r6 : in_size, size of the in buffer
+         - Must be less than or equal to 4KB
+    r7 : out_buffer, guest physical address of buffer to store the response
+         - Caller may use the same address for both request and response
+    r8 : out_size, size of the out buffer
+         - Must be at least 4KB, as this is the maximum request/response size
+           supported by most TPM implementations, including the TPM Resource
+           Manager in the linux kernel.
+
+  Return values:
+
+    r3 : H_Success    request processed successfully
+         H_PARAMETER  invalid TPM operation
+         H_P2         in_buffer is invalid
+         H_P3         in_size is invalid
+         H_P4         out_buffer is invalid
+         H_P5         out_size is invalid
+         H_RESOURCE   problem communicating with TPM
+         H_FUNCTION   TPM access is not currently allowed/configured
+    r4 : For TPM_COMM_OP_EXECUTE, the size of the response will be stored here
+         upon success.
+
+  Use-case/notes:
+
+    SVM filesystems are encrypted using a symmetric key. This key is then
+    wrapped/encrypted using the public key of a trusted system which has the
+    private key stored in the system's TPM. An Ultravisor will use this
+    hcall to unwrap/unseal the symmetric key using the system's TPM device
+    or a TPM Resource Manager associated with the device.
+
+    The Ultravisor sets up a separate session key with the TPM in advance
+    during host system boot. All sensitive in and out values will be
+    encrypted using the session key. Though the hypervisor will see the 'in'
+    and 'out' buffers in raw form, any sensitive contents will generally be
+    encrypted using this session key.
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 02510ac..0d1629c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2050,10 +2050,17 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_4_2_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(4, 2)
+
 static void virt_machine_4_1_options(MachineClass *mc)
 {
+    virt_machine_4_2_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(4, 1)
+DEFINE_VIRT_MACHINE(4, 1)
 
 static void virt_machine_4_0_options(MachineClass *mc)
 {
diff --git a/hw/char/spapr_vty.c b/hw/char/spapr_vty.c
index 7f860fc..087c93e 100644
--- a/hw/char/spapr_vty.c
+++ b/hw/char/spapr_vty.c
@@ -59,25 +59,19 @@ static int vty_getchars(SpaprVioDevice *sdev, uint8_t *buf, int max)
     int n = 0;
 
     while ((n < max) && (dev->out != dev->in)) {
-        buf[n++] = dev->buf[dev->out++ % VTERM_BUFSIZE];
-
-        /* PowerVM's vty implementation has a bug where it inserts a
-         * \0 after every \r going to the guest.  Existing guests have
-         * a workaround for this which removes every \0 immediately
-         * following a \r, so here we make ourselves bug-for-bug
-         * compatible, so that the guest won't drop a real \0-after-\r
-         * that happens to occur in a binary stream. */
-        if (buf[n - 1] == '\r') {
-            if (n < max) {
-                buf[n++] = '\0';
-            } else {
-                /* No room for the extra \0, roll back and try again
-                 * next time */
-                dev->out--;
-                n--;
-                break;
-            }
+        /*
+         * Long ago, PowerVM's vty implementation had a bug where it
+         * inserted a \0 after every \r going to the guest.  Existing
+         * guests have a workaround for this which removes every \0
+         * immediately following a \r.  To avoid triggering this
+         * workaround, we stop before inserting a \0 if the preceding
+         * character in the output buffer is a \r.
+         */
+        if (n > 0 && (buf[n - 1] == '\r') &&
+                (dev->buf[dev->out % VTERM_BUFSIZE] == '\0')) {
+            break;
         }
+        buf[n++] = dev->buf[dev->out++ % VTERM_BUFSIZE];
     }
 
     qemu_chr_fe_accept_input(&dev->chardev);
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 32d1ca9..83cd1bf 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -27,6 +27,9 @@
 #include "hw/pci/pci.h"
 #include "hw/mem/nvdimm.h"
 
+GlobalProperty hw_compat_4_1[] = {};
+const size_t hw_compat_4_1_len = G_N_ELEMENTS(hw_compat_4_1);
+
 GlobalProperty hw_compat_4_0[] = {
     { "VGA",            "edid", "false" },
     { "secondary-vga",  "edid", "false" },
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 6b4f32e..697c336 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -119,6 +119,9 @@ struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
 /* Physical Address of PVH entry point read from kernel ELF NOTE */
 static size_t pvh_start_addr;
 
+GlobalProperty pc_compat_4_1[] = {};
+const size_t pc_compat_4_1_len = G_N_ELEMENTS(pc_compat_4_1);
+
 GlobalProperty pc_compat_4_0[] = {};
 const size_t pc_compat_4_0_len = G_N_ELEMENTS(pc_compat_4_0);
 
@@ -2840,6 +2843,13 @@ static void pc_machine_reset(MachineState *machine)
     }
 }
 
+static void pc_machine_wakeup(MachineState *machine)
+{
+    cpu_synchronize_all_states();
+    pc_machine_reset(machine);
+    cpu_synchronize_all_post_reset();
+}
+
 static CpuInstanceProperties
 pc_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
 {
@@ -2952,6 +2962,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
     mc->block_default_type = IF_IDE;
     mc->max_cpus = 255;
     mc->reset = pc_machine_reset;
+    mc->wakeup = pc_machine_wakeup;
     hc->pre_plug = pc_machine_device_pre_plug_cb;
     hc->plug = pc_machine_device_plug_cb;
     hc->unplug_request = pc_machine_device_unplug_request_cb;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 9e187f8..a70cf0a 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -432,7 +432,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
 }
 
-static void pc_i440fx_4_1_machine_options(MachineClass *m)
+static void pc_i440fx_4_2_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_machine_options(m);
@@ -441,6 +441,18 @@ static void pc_i440fx_4_1_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL,
+                      pc_i440fx_4_2_machine_options);
+
+static void pc_i440fx_4_1_machine_options(MachineClass *m)
+{
+    pc_i440fx_4_2_machine_options(m);
+    m->alias = NULL;
+    m->is_default = 0;
+    compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
+    compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
+}
+
 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL,
                       pc_i440fx_4_1_machine_options);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index be3464f..d4e8a1c 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -364,7 +364,7 @@ static void pc_q35_machine_options(MachineClass *m)
     m->max_cpus = 288;
 }
 
-static void pc_q35_4_1_machine_options(MachineClass *m)
+static void pc_q35_4_2_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_machine_options(m);
@@ -372,6 +372,17 @@ static void pc_q35_4_1_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
+                   pc_q35_4_2_machine_options);
+
+static void pc_q35_4_1_machine_options(MachineClass *m)
+{
+    pc_q35_4_2_machine_options(m);
+    m->alias = NULL;
+    compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
+    compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
+}
+
 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
                    pc_q35_4_1_machine_options);
 
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index a8caf25..ed6e9d7 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -1595,6 +1595,15 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon)
         }
         xive_end_pic_print_info(&end, i, mon);
     }
+
+    monitor_printf(mon, "XIVE[%x] END Escalation %08x .. %08x\n", blk, 0,
+                   nr_ends - 1);
+    for (i = 0; i < nr_ends; i++) {
+        if (xive_router_get_end(xrtr, blk, i, &end)) {
+            break;
+        }
+        xive_end_eas_pic_print_info(&end, i, mon);
+    }
 }
 
 static void pnv_xive_reset(void *dev)
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index aad981c..c1c9719 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -146,7 +146,6 @@ static void spapr_xive_end_pic_print_info(SpaprXive *xive, XiveEND *end,
                    priority, qindex, qentries, qaddr_base, qgen);
 
     xive_end_queue_pic_print_info(end, 6, mon);
-    monitor_printf(mon, "]");
 }
 
 void spapr_xive_pic_print_info(SpaprXive *xive, Monitor *mon)
@@ -537,7 +536,10 @@ bool spapr_xive_irq_claim(SpaprXive *xive, uint32_t lisn, bool lsi)
         return false;
     }
 
-    xive->eat[lisn].w |= cpu_to_be64(EAS_VALID);
+    /*
+     * Set default values when allocating an IRQ number
+     */
+    xive->eat[lisn].w |= cpu_to_be64(EAS_VALID | EAS_MASKED);
     if (lsi) {
         xive_source_irq_set_lsi(xsrc, lisn);
     }
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 7a6e4b7..b741721 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -337,6 +337,17 @@ static void xive_tm_set_os_pending(XiveTCTX *tctx, hwaddr offset,
     xive_tctx_notify(tctx, TM_QW1_OS);
 }
 
+static uint64_t xive_tm_pull_os_ctx(XiveTCTX *tctx, hwaddr offset,
+                                    unsigned size)
+{
+    uint32_t qw1w2_prev = xive_tctx_word2(&tctx->regs[TM_QW1_OS]);
+    uint32_t qw1w2;
+
+    qw1w2 = xive_set_field32(TM_QW1W2_VO, qw1w2_prev, 0);
+    memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &qw1w2, 4);
+    return qw1w2;
+}
+
 /*
  * Define a mapping of "special" operations depending on the TIMA page
  * offset and the size of the operation.
@@ -363,6 +374,8 @@ static const XiveTmOp xive_tm_operations[] = {
     /* MMIOs above 2K : special operations with side effects */
     { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG,     2, NULL, xive_tm_ack_os_reg },
     { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING, 1, xive_tm_set_os_pending, NULL },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    4, NULL, xive_tm_pull_os_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    8, NULL, xive_tm_pull_os_ctx },
     { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG,     2, NULL, xive_tm_ack_hv_reg },
     { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  4, NULL, xive_tm_pull_pool_ctx },
     { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  8, NULL, xive_tm_pull_pool_ctx },
@@ -406,7 +419,7 @@ void xive_tctx_tm_write(XiveTCTX *tctx, hwaddr offset, uint64_t value,
     if (offset & 0x800) {
         xto = xive_tm_find_op(offset, size, true);
         if (!xto) {
-            qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid write access at TIMA"
+            qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid write access at TIMA "
                           "@%"HWADDR_PRIx"\n", offset);
         } else {
             xto->write_handler(tctx, offset, value, size);
@@ -1145,6 +1158,7 @@ void xive_end_queue_pic_print_info(XiveEND *end, uint32_t width, Monitor *mon)
                        be32_to_cpu(qdata));
         qindex = (qindex + 1) & (qentries - 1);
     }
+    monitor_printf(mon, "]");
 }
 
 void xive_end_pic_print_info(XiveEND *end, uint32_t end_idx, Monitor *mon)
@@ -1155,24 +1169,36 @@ void xive_end_pic_print_info(XiveEND *end, uint32_t end_idx, Monitor *mon)
     uint32_t qsize = xive_get_field32(END_W0_QSIZE, end->w0);
     uint32_t qentries = 1 << (qsize + 10);
 
-    uint32_t nvt = xive_get_field32(END_W6_NVT_INDEX, end->w6);
+    uint32_t nvt_blk = xive_get_field32(END_W6_NVT_BLOCK, end->w6);
+    uint32_t nvt_idx = xive_get_field32(END_W6_NVT_INDEX, end->w6);
     uint8_t priority = xive_get_field32(END_W7_F0_PRIORITY, end->w7);
+    uint8_t pq;
 
     if (!xive_end_is_valid(end)) {
         return;
     }
 
-    monitor_printf(mon, "  %08x %c%c%c%c%c prio:%d nvt:%04x eq:@%08"PRIx64
-                   "% 6d/%5d ^%d", end_idx,
+    pq = xive_get_field32(END_W1_ESn, end->w1);
+
+    monitor_printf(mon, "  %08x %c%c %c%c%c%c%c%c%c prio:%d nvt:%02x/%04x",
+                   end_idx,
+                   pq & XIVE_ESB_VAL_P ? 'P' : '-',
+                   pq & XIVE_ESB_VAL_Q ? 'Q' : '-',
                    xive_end_is_valid(end)    ? 'v' : '-',
                    xive_end_is_enqueue(end)  ? 'q' : '-',
                    xive_end_is_notify(end)   ? 'n' : '-',
                    xive_end_is_backlog(end)  ? 'b' : '-',
                    xive_end_is_escalate(end) ? 'e' : '-',
-                   priority, nvt, qaddr_base, qindex, qentries, qgen);
+                   xive_end_is_uncond_escalation(end)   ? 'u' : '-',
+                   xive_end_is_silent_escalation(end)   ? 's' : '-',
+                   priority, nvt_blk, nvt_idx);
 
-    xive_end_queue_pic_print_info(end, 6, mon);
-    monitor_printf(mon, "]\n");
+    if (qaddr_base) {
+        monitor_printf(mon, " eq:@%08"PRIx64"% 6d/%5d ^%d",
+                       qaddr_base, qindex, qentries, qgen);
+        xive_end_queue_pic_print_info(end, 6, mon);
+    }
+    monitor_printf(mon, "\n");
 }
 
 static void xive_end_enqueue(XiveEND *end, uint32_t data)
@@ -1200,6 +1226,29 @@ static void xive_end_enqueue(XiveEND *end, uint32_t data)
     end->w1 = xive_set_field32(END_W1_PAGE_OFF, end->w1, qindex);
 }
 
+void xive_end_eas_pic_print_info(XiveEND *end, uint32_t end_idx,
+                                   Monitor *mon)
+{
+    XiveEAS *eas = (XiveEAS *) &end->w4;
+    uint8_t pq;
+
+    if (!xive_end_is_escalate(end)) {
+        return;
+    }
+
+    pq = xive_get_field32(END_W1_ESe, end->w1);
+
+    monitor_printf(mon, "  %08x %c%c %c%c end:%02x/%04x data:%08x\n",
+                   end_idx,
+                   pq & XIVE_ESB_VAL_P ? 'P' : '-',
+                   pq & XIVE_ESB_VAL_Q ? 'Q' : '-',
+                   xive_eas_is_valid(eas) ? 'V' : ' ',
+                   xive_eas_is_masked(eas) ? 'M' : ' ',
+                   (uint8_t)  xive_get_field64(EAS_END_BLOCK, eas->w),
+                   (uint32_t) xive_get_field64(EAS_END_INDEX, eas->w),
+                   (uint32_t) xive_get_field64(EAS_END_DATA, eas->w));
+}
+
 /*
  * XIVE Router (aka. Virtualization Controller or IVRE)
  */
@@ -1398,46 +1447,43 @@ static bool xive_presenter_match(XiveRouter *xrtr, uint8_t format,
  *
  * The parameters represent what is sent on the PowerBus
  */
-static void xive_presenter_notify(XiveRouter *xrtr, uint8_t format,
+static bool xive_presenter_notify(XiveRouter *xrtr, uint8_t format,
                                   uint8_t nvt_blk, uint32_t nvt_idx,
                                   bool cam_ignore, uint8_t priority,
                                   uint32_t logic_serv)
 {
-    XiveNVT nvt;
     XiveTCTXMatch match = { .tctx = NULL, .ring = 0 };
     bool found;
 
-    /* NVT cache lookup */
-    if (xive_router_get_nvt(xrtr, nvt_blk, nvt_idx, &nvt)) {
-        qemu_log_mask(LOG_GUEST_ERROR, "XIVE: no NVT %x/%x\n",
-                      nvt_blk, nvt_idx);
-        return;
-    }
-
-    if (!xive_nvt_is_valid(&nvt)) {
-        qemu_log_mask(LOG_GUEST_ERROR, "XIVE: NVT %x/%x is invalid\n",
-                      nvt_blk, nvt_idx);
-        return;
-    }
-
     found = xive_presenter_match(xrtr, format, nvt_blk, nvt_idx, cam_ignore,
                                  priority, logic_serv, &match);
     if (found) {
         ipb_update(&match.tctx->regs[match.ring], priority);
         xive_tctx_notify(match.tctx, match.ring);
-        return;
     }
 
-    /* Record the IPB in the associated NVT structure */
-    ipb_update((uint8_t *) &nvt.w4, priority);
-    xive_router_write_nvt(xrtr, nvt_blk, nvt_idx, &nvt, 4);
+    return found;
+}
 
-    /*
-     * If no matching NVT is dispatched on a HW thread :
-     * - update the NVT structure if backlog is activated
-     * - escalate (ESe PQ bits and EAS in w4-5) if escalation is
-     *   activated
-     */
+/*
+ * Notification using the END ESe/ESn bit (Event State Buffer for
+ * escalation and notification). Profide futher coalescing in the
+ * Router.
+ */
+static bool xive_router_end_es_notify(XiveRouter *xrtr, uint8_t end_blk,
+                                      uint32_t end_idx, XiveEND *end,
+                                      uint32_t end_esmask)
+{
+    uint8_t pq = xive_get_field32(end_esmask, end->w1);
+    bool notify = xive_esb_trigger(&pq);
+
+    if (pq != xive_get_field32(end_esmask, end->w1)) {
+        end->w1 = xive_set_field32(end_esmask, end->w1, pq);
+        xive_router_write_end(xrtr, end_blk, end_idx, end, 1);
+    }
+
+    /* ESe/n[Q]=1 : end of notification */
+    return notify;
 }
 
 /*
@@ -1451,6 +1497,10 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk,
     XiveEND end;
     uint8_t priority;
     uint8_t format;
+    uint8_t nvt_blk;
+    uint32_t nvt_idx;
+    XiveNVT nvt;
+    bool found;
 
     /* END cache lookup */
     if (xive_router_get_end(xrtr, end_blk, end_idx, &end)) {
@@ -1472,6 +1522,13 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk,
     }
 
     /*
+     * When the END is silent, we skip the notification part.
+     */
+    if (xive_end_is_silent_escalation(&end)) {
+        goto do_escalation;
+    }
+
+    /*
      * The W7 format depends on the F bit in W6. It defines the type
      * of the notification :
      *
@@ -1492,16 +1549,9 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk,
      * even futher coalescing in the Router
      */
     if (!xive_end_is_notify(&end)) {
-        uint8_t pq = xive_get_field32(END_W1_ESn, end.w1);
-        bool notify = xive_esb_trigger(&pq);
-
-        if (pq != xive_get_field32(END_W1_ESn, end.w1)) {
-            end.w1 = xive_set_field32(END_W1_ESn, end.w1, pq);
-            xive_router_write_end(xrtr, end_blk, end_idx, &end, 1);
-        }
-
         /* ESn[Q]=1 : end of notification */
-        if (!notify) {
+        if (!xive_router_end_es_notify(xrtr, end_blk, end_idx,
+                                       &end, END_W1_ESn)) {
             return;
         }
     }
@@ -1509,14 +1559,82 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk,
     /*
      * Follows IVPE notification
      */
-    xive_presenter_notify(xrtr, format,
-                          xive_get_field32(END_W6_NVT_BLOCK, end.w6),
-                          xive_get_field32(END_W6_NVT_INDEX, end.w6),
+    nvt_blk = xive_get_field32(END_W6_NVT_BLOCK, end.w6);
+    nvt_idx = xive_get_field32(END_W6_NVT_INDEX, end.w6);
+
+    /* NVT cache lookup */
+    if (xive_router_get_nvt(xrtr, nvt_blk, nvt_idx, &nvt)) {
+        qemu_log_mask(LOG_GUEST_ERROR, "XIVE: no NVT %x/%x\n",
+                      nvt_blk, nvt_idx);
+        return;
+    }
+
+    if (!xive_nvt_is_valid(&nvt)) {
+        qemu_log_mask(LOG_GUEST_ERROR, "XIVE: NVT %x/%x is invalid\n",
+                      nvt_blk, nvt_idx);
+        return;
+    }
+
+    found = xive_presenter_notify(xrtr, format, nvt_blk, nvt_idx,
                           xive_get_field32(END_W7_F0_IGNORE, end.w7),
                           priority,
                           xive_get_field32(END_W7_F1_LOG_SERVER_ID, end.w7));
 
     /* TODO: Auto EOI. */
+
+    if (found) {
+        return;
+    }
+
+    /*
+     * If no matching NVT is dispatched on a HW thread :
+     * - specific VP: update the NVT structure if backlog is activated
+     * - logical server : forward request to IVPE (not supported)
+     */
+    if (xive_end_is_backlog(&end)) {
+        if (format == 1) {
+            qemu_log_mask(LOG_GUEST_ERROR,
+                          "XIVE: END %x/%x invalid config: F1 & backlog\n",
+                          end_blk, end_idx);
+            return;
+        }
+        /* Record the IPB in the associated NVT structure */
+        ipb_update((uint8_t *) &nvt.w4, priority);
+        xive_router_write_nvt(xrtr, nvt_blk, nvt_idx, &nvt, 4);
+
+        /*
+         * On HW, follows a "Broadcast Backlog" to IVPEs
+         */
+    }
+
+do_escalation:
+    /*
+     * If activated, escalate notification using the ESe PQ bits and
+     * the EAS in w4-5
+     */
+    if (!xive_end_is_escalate(&end)) {
+        return;
+    }
+
+    /*
+     * Check the END ESe (Event State Buffer for escalation) for even
+     * futher coalescing in the Router
+     */
+    if (!xive_end_is_uncond_escalation(&end)) {
+        /* ESe[Q]=1 : end of notification */
+        if (!xive_router_end_es_notify(xrtr, end_blk, end_idx,
+                                       &end, END_W1_ESe)) {
+            return;
+        }
+    }
+
+    /*
+     * The END trigger becomes an Escalation trigger
+     */
+    xive_router_end_notify(xrtr,
+                           xive_get_field32(END_W4_ESC_END_BLOCK, end.w4),
+                           xive_get_field32(END_W4_ESC_END_INDEX, end.w4),
+                           xive_get_field32(END_W5_ESC_END_DATA,  end.w5));
 }
 
 void xive_router_notify(XiveNotifier *xn, uint32_t lisn)
diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index 9da93af..2c4e1c8 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -5,6 +5,7 @@ obj-$(CONFIG_PSERIES) += spapr.o spapr_caps.o spapr_vio.o spapr_events.o
 obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o
 obj-$(CONFIG_PSERIES) += spapr_pci.o spapr_rtc.o spapr_drc.o
 obj-$(CONFIG_PSERIES) += spapr_cpu_core.o spapr_ovec.o spapr_irq.o
+obj-$(CONFIG_PSERIES) += spapr_tpm_proxy.o
 obj-$(CONFIG_SPAPR_RNG) +=  spapr_rng.o
 # IBM PowerNV
 obj-$(CONFIG_POWERNV) += pnv.o pnv_xscom.o pnv_core.o pnv_lpc.o pnv_psi.o pnv_occ.o pnv_bmc.o
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index 7963fee..52a18eb 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -1011,6 +1011,8 @@ static void timebase_save(PPCTimebase *tb)
      * there is no need to update it from KVM here
      */
     tb->guest_timebase = ticks + first_ppc_cpu->env.tb_env->tb_offset;
+
+    tb->runstate_paused = runstate_check(RUN_STATE_PAUSED);
 }
 
 static void timebase_load(PPCTimebase *tb)
@@ -1054,9 +1056,9 @@ void cpu_ppc_clock_vm_state_change(void *opaque, int running,
 }
 
 /*
- * When migrating, read the clock just before migration,
- * so that the guest clock counts during the events
- * between:
+ * When migrating a running guest, read the clock just
+ * before migration, so that the guest clock counts
+ * during the events between:
  *
  *  * vm_stop()
  *  *
@@ -1071,7 +1073,10 @@ static int timebase_pre_save(void *opaque)
 {
     PPCTimebase *tb = opaque;
 
-    timebase_save(tb);
+    /* guest_timebase won't be overridden in case of paused guest */
+    if (!tb->runstate_paused) {
+        timebase_save(tb);
+    }
 
     return 0;
 }
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e09c67e..64fc225 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -79,6 +79,7 @@
 #include "qemu/cutils.h"
 #include "hw/ppc/spapr_cpu_core.h"
 #include "hw/mem/memory-device.h"
+#include "hw/ppc/spapr_tpm_proxy.h"
 
 #include <libfdt.h>
 
@@ -1070,6 +1071,7 @@ static void spapr_dt_rtas(SpaprMachineState *spapr, void *fdt)
     add_str(hypertas, "hcall-tce");
     add_str(hypertas, "hcall-vio");
     add_str(hypertas, "hcall-splpar");
+    add_str(hypertas, "hcall-join");
     add_str(hypertas, "hcall-bulk");
     add_str(hypertas, "hcall-set-mode");
     add_str(hypertas, "hcall-sprg0");
@@ -1753,10 +1755,6 @@ static void spapr_machine_reset(MachineState *machine)
         ppc_set_compat(first_ppc_cpu, spapr->max_compat_pvr, &error_fatal);
     }
 
-    if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
-        spapr_irq_msi_reset(spapr);
-    }
-
     /*
      * This is fixing some of the default configuration of the XIVE
      * devices. To be called after the reset of the machine devices.
@@ -3081,6 +3079,13 @@ static void spapr_machine_init(MachineState *machine)
 
     qemu_register_boot_set(spapr_boot_set, spapr);
 
+    /*
+     * Nothing needs to be done to resume a suspended guest because
+     * suspending does not change the machine state, so no need for
+     * a ->wakeup method.
+     */
+    qemu_register_wakeup_support();
+
     if (kvm_enabled()) {
         /* to stop and start vmclock */
         qemu_add_vm_change_state_handler(cpu_ppc_clock_vm_state_change,
@@ -4035,6 +4040,29 @@ static void spapr_phb_unplug_request(HotplugHandler *hotplug_dev,
     }
 }
 
+static void spapr_tpm_proxy_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
+                                 Error **errp)
+{
+    SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
+    SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(dev);
+
+    if (spapr->tpm_proxy != NULL) {
+        error_setg(errp, "Only one TPM proxy can be specified for this machine");
+        return;
+    }
+
+    spapr->tpm_proxy = tpm_proxy;
+}
+
+static void spapr_tpm_proxy_unplug(HotplugHandler *hotplug_dev, DeviceState *dev)
+{
+    SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
+
+    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_unparent(OBJECT(dev));
+    spapr->tpm_proxy = NULL;
+}
+
 static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
                                       DeviceState *dev, Error **errp)
 {
@@ -4044,6 +4072,8 @@ static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
         spapr_core_plug(hotplug_dev, dev, errp);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) {
         spapr_phb_plug(hotplug_dev, dev, errp);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) {
+        spapr_tpm_proxy_plug(hotplug_dev, dev, errp);
     }
 }
 
@@ -4056,6 +4086,8 @@ static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev,
         spapr_core_unplug(hotplug_dev, dev);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) {
         spapr_phb_unplug(hotplug_dev, dev);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) {
+        spapr_tpm_proxy_unplug(hotplug_dev, dev);
     }
 }
 
@@ -4090,6 +4122,8 @@ static void spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev,
             return;
         }
         spapr_phb_unplug_request(hotplug_dev, dev, errp);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) {
+        spapr_tpm_proxy_unplug(hotplug_dev, dev);
     }
 }
 
@@ -4110,7 +4144,8 @@ static HotplugHandler *spapr_get_hotplug_handler(MachineState *machine,
 {
     if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
         object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE) ||
-        object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) {
+        object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE) ||
+        object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) {
         return HOTPLUG_HANDLER(machine);
     }
     if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
@@ -4306,6 +4341,53 @@ PowerPCCPU *spapr_find_cpu(int vcpu_id)
     return NULL;
 }
 
+static void spapr_cpu_exec_enter(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu)
+{
+    SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu);
+
+    /* These are only called by TCG, KVM maintains dispatch state */
+
+    spapr_cpu->prod = false;
+    if (spapr_cpu->vpa_addr) {
+        CPUState *cs = CPU(cpu);
+        uint32_t dispatch;
+
+        dispatch = ldl_be_phys(cs->as,
+                               spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER);
+        dispatch++;
+        if ((dispatch & 1) != 0) {
+            qemu_log_mask(LOG_GUEST_ERROR,
+                          "VPA: incorrect dispatch counter value for "
+                          "dispatched partition %u, correcting.\n", dispatch);
+            dispatch++;
+        }
+        stl_be_phys(cs->as,
+                    spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER, dispatch);
+    }
+}
+
+static void spapr_cpu_exec_exit(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu)
+{
+    SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu);
+
+    if (spapr_cpu->vpa_addr) {
+        CPUState *cs = CPU(cpu);
+        uint32_t dispatch;
+
+        dispatch = ldl_be_phys(cs->as,
+                               spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER);
+        dispatch++;
+        if ((dispatch & 1) != 1) {
+            qemu_log_mask(LOG_GUEST_ERROR,
+                          "VPA: incorrect dispatch counter value for "
+                          "preempted partition %u, correcting.\n", dispatch);
+            dispatch++;
+        }
+        stl_be_phys(cs->as,
+                    spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER, dispatch);
+    }
+}
+
 static void spapr_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -4362,6 +4444,8 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
     vhc->hpte_set_r = spapr_hpte_set_r;
     vhc->get_pate = spapr_get_pate;
     vhc->encode_hpt_for_kvm_pr = spapr_encode_hpt_for_kvm_pr;
+    vhc->cpu_exec_enter = spapr_cpu_exec_enter;
+    vhc->cpu_exec_exit = spapr_cpu_exec_exit;
     xic->ics_get = spapr_ics_get;
     xic->ics_resend = spapr_ics_resend;
     xic->icp_get = spapr_icp_get;
@@ -4431,14 +4515,31 @@ static const TypeInfo spapr_machine_info = {
     type_init(spapr_machine_register_##suffix)
 
 /*
+ * pseries-4.2
+ */
+static void spapr_machine_4_2_class_options(MachineClass *mc)
+{
+    /* Defaults for the latest behaviour inherited from the base class */
+}
+
+DEFINE_SPAPR_MACHINE(4_2, "4.2", true);
+
+/*
  * pseries-4.1
  */
 static void spapr_machine_4_1_class_options(MachineClass *mc)
 {
-    /* Defaults for the latest behaviour inherited from the base class */
+    static GlobalProperty compat[] = {
+        /* Only allow 4kiB and 64kiB IOMMU pagesizes */
+        { TYPE_SPAPR_PCI_HOST_BRIDGE, "pgsz", "0x11000" },
+    };
+
+    spapr_machine_4_2_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
-DEFINE_SPAPR_MACHINE(4_1, "4.1", true);
+DEFINE_SPAPR_MACHINE(4_1, "4.1", false);
 
 /*
  * pseries-4.0
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index 7830d66..481dfd2 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -195,10 +195,12 @@ static void cap_htm_apply(SpaprMachineState *spapr, uint8_t val, Error **errp)
     }
     if (tcg_enabled()) {
         error_setg(errp,
-                   "No Transactional Memory support in TCG, try cap-htm=off");
+                   "No Transactional Memory support in TCG,"
+                   " try appending -machine cap-htm=off");
     } else if (kvm_enabled() && !kvmppc_has_cap_htm()) {
         error_setg(errp,
-"KVM implementation does not support Transactional Memory, try cap-htm=off"
+"KVM implementation does not support Transactional Memory,"
+                   " try appending -machine cap-htm=off"
             );
     }
 }
@@ -216,7 +218,8 @@ static void cap_vsx_apply(SpaprMachineState *spapr, uint8_t val, Error **errp)
      * rid of anything that doesn't do VMX */
     g_assert(env->insns_flags & PPC_ALTIVEC);
     if (!(env->insns_flags2 & PPC2_VSX)) {
-        error_setg(errp, "VSX support not available, try cap-vsx=off");
+        error_setg(errp, "VSX support not available,"
+                   " try appending -machine cap-vsx=off");
     }
 }
 
@@ -230,7 +233,8 @@ static void cap_dfp_apply(SpaprMachineState *spapr, uint8_t val, Error **errp)
         return;
     }
     if (!(env->insns_flags2 & PPC2_DFP)) {
-        error_setg(errp, "DFP support not available, try cap-dfp=off");
+        error_setg(errp, "DFP support not available,"
+                   " try appending -machine cap-dfp=off");
     }
 }
 
@@ -254,7 +258,8 @@ static void cap_safe_cache_apply(SpaprMachineState *spapr, uint8_t val,
                    cap_cfpc_possible.vals[val]);
     } else if (kvm_enabled() && (val > kvm_val)) {
         error_setg(errp,
-"Requested safe cache capability level not supported by kvm, try cap-cfpc=%s",
+                   "Requested safe cache capability level not supported by kvm,"
+                   " try appending -machine cap-cfpc=%s",
                    cap_cfpc_possible.vals[kvm_val]);
     }
 
@@ -282,7 +287,8 @@ static void cap_safe_bounds_check_apply(SpaprMachineState *spapr, uint8_t val,
                    cap_sbbc_possible.vals[val]);
     } else if (kvm_enabled() && (val > kvm_val)) {
         error_setg(errp,
-"Requested safe bounds check capability level not supported by kvm, try cap-sbbc=%s",
+"Requested safe bounds check capability level not supported by kvm,"
+                   " try appending -machine cap-sbbc=%s",
                    cap_sbbc_possible.vals[kvm_val]);
     }
 
@@ -313,7 +319,8 @@ static void cap_safe_indirect_branch_apply(SpaprMachineState *spapr,
                    cap_ibs_possible.vals[val]);
     } else if (kvm_enabled() && (val > kvm_val)) {
         error_setg(errp,
-"Requested safe indirect branch capability level not supported by kvm, try cap-ibs=%s",
+"Requested safe indirect branch capability level not supported by kvm,"
+                   " try appending -machine cap-ibs=%s",
                    cap_ibs_possible.vals[kvm_val]);
     }
 
@@ -402,11 +409,13 @@ static void cap_nested_kvm_hv_apply(SpaprMachineState *spapr,
 
     if (tcg_enabled()) {
         error_setg(errp,
-                   "No Nested KVM-HV support in tcg, try cap-nested-hv=off");
+                   "No Nested KVM-HV support in tcg,"
+                   " try appending -machine cap-nested-hv=off");
     } else if (kvm_enabled()) {
         if (!kvmppc_has_cap_nested_kvm_hv()) {
             error_setg(errp,
-"KVM implementation does not support Nested KVM-HV, try cap-nested-hv=off");
+"KVM implementation does not support Nested KVM-HV,"
+                       " try appending -machine cap-nested-hv=off");
         } else if (kvmppc_set_cap_nested_kvm_hv(val) < 0) {
                 error_setg(errp,
 "Error enabling cap-nested-hv with KVM, try cap-nested-hv=off");
@@ -436,10 +445,12 @@ static void cap_large_decr_apply(SpaprMachineState *spapr,
 
         if (!kvm_nr_bits) {
             error_setg(errp,
-                       "No large decrementer support, try cap-large-decr=off");
+                       "No large decrementer support,"
+                        " try appending -machine cap-large-decr=off");
         } else if (pcc->lrg_decr_bits != kvm_nr_bits) {
             error_setg(errp,
-"KVM large decrementer size (%d) differs to model (%d), try -cap-large-decr=off",
+"KVM large decrementer size (%d) differs to model (%d),"
+                " try appending -machine cap-large-decr=off",
                 kvm_nr_bits, pcc->lrg_decr_bits);
         }
     }
@@ -455,7 +466,8 @@ static void cap_large_decr_cpu_apply(SpaprMachineState *spapr,
     if (kvm_enabled()) {
         if (kvmppc_enable_cap_large_decr(cpu, val)) {
             error_setg(errp,
-                       "No large decrementer support, try cap-large-decr=off");
+                       "No large decrementer support,"
+                       " try appending -machine cap-large-decr=off");
         }
     }
 
@@ -475,10 +487,12 @@ static void cap_ccf_assist_apply(SpaprMachineState *spapr, uint8_t val,
     if (tcg_enabled() && val) {
         /* TODO - for now only allow broken for TCG */
         error_setg(errp,
-"Requested count cache flush assist capability level not supported by tcg, try cap-ccf-assist=off");
+"Requested count cache flush assist capability level not supported by tcg,"
+                   " try appending -machine cap-ccf-assist=off");
     } else if (kvm_enabled() && (val > kvm_val)) {
         error_setg(errp,
-"Requested count cache flush assist capability level not supported by kvm, try cap-ccf-assist=off");
+"Requested count cache flush assist capability level not supported by kvm,"
+                   " try appending -machine cap-ccf-assist=off");
     }
 }
 
@@ -779,7 +793,7 @@ void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp)
 
     for (i = 0; i < ARRAY_SIZE(capability_table); i++) {
         SpaprCapabilityInfo *cap = &capability_table[i];
-        const char *name = g_strdup_printf("cap-%s", cap->name);
+        char *name = g_strdup_printf("cap-%s", cap->name);
         char *desc;
 
         object_class_property_add(klass, name, cap->type,
@@ -787,11 +801,13 @@ void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp)
                                   NULL, cap, &local_err);
         if (local_err) {
             error_propagate(errp, local_err);
+            g_free(name);
             return;
         }
 
         desc = g_strdup_printf("%s", cap->description);
         object_class_property_set_description(klass, name, desc, &local_err);
+        g_free(name);
         g_free(desc);
         if (local_err) {
             error_propagate(errp, local_err);
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 09255f4..62f1a42 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -227,7 +227,7 @@ static uint32_t drc_set_unusable(SpaprDrc *drc)
     return RTAS_OUT_SUCCESS;
 }
 
-static const char *spapr_drc_name(SpaprDrc *drc)
+static char *spapr_drc_name(SpaprDrc *drc)
 {
     SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
 
@@ -828,6 +828,7 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
         Object *obj;
         SpaprDrc *drc;
         SpaprDrcClass *drck;
+        char *drc_name = NULL;
         uint32_t drc_index, drc_power_domain;
 
         if (!strstart(prop->type, "link<", NULL)) {
@@ -857,8 +858,10 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
         g_array_append_val(drc_power_domains, drc_power_domain);
 
         /* ibm,drc-names */
-        drc_names = g_string_append(drc_names, spapr_drc_name(drc));
+        drc_name = spapr_drc_name(drc);
+        drc_names = g_string_append(drc_names, drc_name);
         drc_names = g_string_insert_len(drc_names, -1, "\0", 1);
+        g_free(drc_name);
 
         /* ibm,drc-types */
         drc_types = g_string_append(drc_types, drck->typename);
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 225c60a..e20a946 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -875,11 +875,6 @@ unmap_out:
 #define FLAGS_DEREGISTER_DTL       0x0000c00000000000ULL
 #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL
 
-#define VPA_MIN_SIZE           640
-#define VPA_SIZE_OFFSET        0x4
-#define VPA_SHARED_PROC_OFFSET 0x9
-#define VPA_SHARED_PROC_VAL    0x2
-
 static target_ulong register_vpa(PowerPCCPU *cpu, target_ulong vpa)
 {
     CPUState *cs = CPU(cpu);
@@ -1056,14 +1051,155 @@ static target_ulong h_cede(PowerPCCPU *cpu, SpaprMachineState *spapr,
 {
     CPUPPCState *env = &cpu->env;
     CPUState *cs = CPU(cpu);
+    SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu);
 
     env->msr |= (1ULL << MSR_EE);
     hreg_compute_hflags(env);
+
+    if (spapr_cpu->prod) {
+        spapr_cpu->prod = false;
+        return H_SUCCESS;
+    }
+
     if (!cpu_has_work(cs)) {
         cs->halted = 1;
         cs->exception_index = EXCP_HLT;
         cs->exit_request = 1;
     }
+
+    return H_SUCCESS;
+}
+
+/*
+ * Confer to self, aka join. Cede could use the same pattern as well, if
+ * EXCP_HLT can be changed to ECXP_HALTED.
+ */
+static target_ulong h_confer_self(PowerPCCPU *cpu)
+{
+    CPUState *cs = CPU(cpu);
+    SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu);
+
+    if (spapr_cpu->prod) {
+        spapr_cpu->prod = false;
+        return H_SUCCESS;
+    }
+    cs->halted = 1;
+    cs->exception_index = EXCP_HALTED;
+    cs->exit_request = 1;
+
+    return H_SUCCESS;
+}
+
+static target_ulong h_join(PowerPCCPU *cpu, SpaprMachineState *spapr,
+                           target_ulong opcode, target_ulong *args)
+{
+    CPUPPCState *env = &cpu->env;
+    CPUState *cs;
+    bool last_unjoined = true;
+
+    if (env->msr & (1ULL << MSR_EE)) {
+        return H_BAD_MODE;
+    }
+
+    /*
+     * Must not join the last CPU running. Interestingly, no such restriction
+     * for H_CONFER-to-self, but that is probably not intended to be used
+     * when H_JOIN is available.
+     */
+    CPU_FOREACH(cs) {
+        PowerPCCPU *c = POWERPC_CPU(cs);
+        CPUPPCState *e = &c->env;
+        if (c == cpu) {
+            continue;
+        }
+
+        /* Don't have a way to indicate joined, so use halted && MSR[EE]=0 */
+        if (!cs->halted || (e->msr & (1ULL << MSR_EE))) {
+            last_unjoined = false;
+            break;
+        }
+    }
+    if (last_unjoined) {
+        return H_CONTINUE;
+    }
+
+    return h_confer_self(cpu);
+}
+
+static target_ulong h_confer(PowerPCCPU *cpu, SpaprMachineState *spapr,
+                           target_ulong opcode, target_ulong *args)
+{
+    target_long target = args[0];
+    uint32_t dispatch = args[1];
+    CPUState *cs = CPU(cpu);
+    SpaprCpuState *spapr_cpu;
+
+    /*
+     * -1 means confer to all other CPUs without dispatch counter check,
+     *  otherwise it's a targeted confer.
+     */
+    if (target != -1) {
+        PowerPCCPU *target_cpu = spapr_find_cpu(target);
+        uint32_t target_dispatch;
+
+        if (!target_cpu) {
+            return H_PARAMETER;
+        }
+
+        /*
+         * target == self is a special case, we wait until prodded, without
+         * dispatch counter check.
+         */
+        if (cpu == target_cpu) {
+            return h_confer_self(cpu);
+        }
+
+        spapr_cpu = spapr_cpu_state(target_cpu);
+        if (!spapr_cpu->vpa_addr || ((dispatch & 1) == 0)) {
+            return H_SUCCESS;
+        }
+
+        target_dispatch = ldl_be_phys(cs->as,
+                                  spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER);
+        if (target_dispatch != dispatch) {
+            return H_SUCCESS;
+        }
+
+        /*
+         * The targeted confer does not do anything special beyond yielding
+         * the current vCPU, but even this should be better than nothing.
+         * At least for single-threaded tcg, it gives the target a chance to
+         * run before we run again. Multi-threaded tcg does not really do
+         * anything with EXCP_YIELD yet.
+         */
+    }
+
+    cs->exception_index = EXCP_YIELD;
+    cs->exit_request = 1;
+    cpu_loop_exit(cs);
+
+    return H_SUCCESS;
+}
+
+static target_ulong h_prod(PowerPCCPU *cpu, SpaprMachineState *spapr,
+                           target_ulong opcode, target_ulong *args)
+{
+    target_long target = args[0];
+    PowerPCCPU *tcpu;
+    CPUState *cs;
+    SpaprCpuState *spapr_cpu;
+
+    tcpu = spapr_find_cpu(target);
+    cs = CPU(tcpu);
+    if (!cs) {
+        return H_PARAMETER;
+    }
+
+    spapr_cpu = spapr_cpu_state(tcpu);
+    spapr_cpu->prod = true;
+    cs->halted = 0;
+    qemu_cpu_kick(cs);
+
     return H_SUCCESS;
 }
 
@@ -1613,6 +1749,7 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu,
     ov5_updates = spapr_ovec_new();
     spapr->cas_reboot = spapr_ovec_diff(ov5_updates,
                                         ov5_cas_old, spapr->ov5_cas);
+    spapr_ovec_cleanup(ov5_cas_old);
     /* Now that processing is finished, set the radix/hash bit for the
      * guest if it requested a valid mode; otherwise terminate the boot. */
     if (guest_radix) {
@@ -1630,6 +1767,7 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu,
     }
     spapr->cas_legacy_guest_workaround = !spapr_ovec_test(ov1_guest,
                                                           OV1_PPC_3_00);
+    spapr_ovec_cleanup(ov1_guest);
     if (!spapr->cas_reboot) {
         /* If spapr_machine_reset() did not set up a HPT but one is necessary
          * (because the guest isn't going to use radix) then set it up here. */
@@ -1825,6 +1963,7 @@ static target_ulong h_update_dt(PowerPCCPU *cpu, SpaprMachineState *spapr,
 
 static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
 static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1];
+static spapr_hcall_fn svm_hypercall_table[(SVM_HCALL_MAX - SVM_HCALL_BASE) / 4 + 1];
 
 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
 {
@@ -1834,6 +1973,11 @@ void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
         assert((opcode & 0x3) == 0);
 
         slot = &papr_hypercall_table[opcode / 4];
+    } else if (opcode >= SVM_HCALL_BASE && opcode <= SVM_HCALL_MAX) {
+        /* we only have SVM-related hcall numbers assigned in multiples of 4 */
+        assert((opcode & 0x3) == 0);
+
+        slot = &svm_hypercall_table[(opcode - SVM_HCALL_BASE) / 4];
     } else {
         assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX));
 
@@ -1856,6 +2000,13 @@ target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
         if (fn) {
             return fn(cpu, spapr, opcode, args);
         }
+    } else if ((opcode >= SVM_HCALL_BASE) &&
+               (opcode <= SVM_HCALL_MAX)) {
+        spapr_hcall_fn fn = svm_hypercall_table[(opcode - SVM_HCALL_BASE) / 4];
+
+        if (fn) {
+            return fn(cpu, spapr, opcode, args);
+        }
     } else if ((opcode >= KVMPPC_HCALL_BASE) &&
                (opcode <= KVMPPC_HCALL_MAX)) {
         spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE];
@@ -1888,6 +2039,12 @@ static void hypercall_register_types(void)
     /* hcall-splpar */
     spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa);
     spapr_register_hypercall(H_CEDE, h_cede);
+    spapr_register_hypercall(H_CONFER, h_confer);
+    spapr_register_hypercall(H_PROD, h_prod);
+
+    /* hcall-join */
+    spapr_register_hypercall(H_JOIN, h_join);
+
     spapr_register_hypercall(H_SIGNAL_SYS_RESET, h_signal_sys_reset);
 
     /* processor register resource access h-calls */
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index ce85f8a..e87b3d5 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -136,7 +136,7 @@ static IOMMUTLBEntry spapr_tce_translate_iommu(IOMMUMemoryRegion *iommu,
         ret.addr_mask = ~page_mask;
         ret.perm = spapr_tce_iommu_access_flags(tce);
     }
-    trace_spapr_iommu_xlate(tcet->liobn, addr, ret.iova, ret.perm,
+    trace_spapr_iommu_xlate(tcet->liobn, addr, ret.translated_addr, ret.perm,
                             ret.addr_mask);
 
     return ret;
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index 2f87fe0..06fe243 100644
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -59,11 +59,6 @@ void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num)
     bitmap_clear(spapr->irq_map, irq - SPAPR_IRQ_MSI, num);
 }
 
-void spapr_irq_msi_reset(SpaprMachineState *spapr)
-{
-    bitmap_clear(spapr->irq_map, 0, spapr->irq_map_nr);
-}
-
 static void spapr_irq_init_kvm(SpaprMachineState *spapr,
                                   SpaprIrq *irq, Error **errp)
 {
@@ -731,6 +726,8 @@ int spapr_irq_post_load(SpaprMachineState *spapr, int version_id)
 
 void spapr_irq_reset(SpaprMachineState *spapr, Error **errp)
 {
+    assert(!spapr->irq_map || bitmap_empty(spapr->irq_map, spapr->irq_map_nr));
+
     if (spapr->irq->reset) {
         spapr->irq->reset(spapr, errp);
     }
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index bf31fd8..deb0b0c 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -338,10 +338,6 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, SpaprMachineState *spapr,
             return;
         }
 
-        if (!smc->legacy_irq_allocation) {
-            spapr_irq_msi_free(spapr, msi->first_irq, msi->num);
-        }
-        spapr_irq_free(spapr, msi->first_irq, msi->num);
         if (msi_present(pdev)) {
             spapr_msi_setmsg(pdev, 0, false, 0, 0);
         }
@@ -411,10 +407,6 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, SpaprMachineState *spapr,
 
     /* Release previous MSIs */
     if (msi) {
-        if (!smc->legacy_irq_allocation) {
-            spapr_irq_msi_free(spapr, msi->first_irq, msi->num);
-        }
-        spapr_irq_free(spapr, msi->first_irq, msi->num);
         g_hash_table_remove(phb->msi, &config_addr);
     }
 
@@ -1808,6 +1800,19 @@ static void spapr_phb_unrealize(DeviceState *dev, Error **errp)
     memory_region_del_subregion(get_system_memory(), &sphb->mem32window);
 }
 
+static void spapr_phb_destroy_msi(gpointer opaque)
+{
+    SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+    SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
+    spapr_pci_msi *msi = opaque;
+
+    if (!smc->legacy_irq_allocation) {
+        spapr_irq_msi_free(spapr, msi->first_irq, msi->num);
+    }
+    spapr_irq_free(spapr, msi->first_irq, msi->num);
+    g_free(msi);
+}
+
 static void spapr_phb_realize(DeviceState *dev, Error **errp)
 {
     /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
@@ -2019,7 +2024,8 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
                                     spapr_tce_get_iommu(tcet));
     }
 
-    sphb->msi = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_free);
+    sphb->msi = g_hash_table_new_full(g_int_hash, g_int_equal, g_free,
+                                      spapr_phb_destroy_msi);
     return;
 
 unrealize:
@@ -2074,6 +2080,8 @@ static void spapr_phb_reset(DeviceState *qdev)
     if (spapr_phb_eeh_available(SPAPR_PCI_HOST_BRIDGE(qdev))) {
         spapr_phb_vfio_reset(qdev);
     }
+
+    g_hash_table_remove_all(sphb->msi);
 }
 
 static Property spapr_phb_properties[] = {
@@ -2093,7 +2101,8 @@ static Property spapr_phb_properties[] = {
                        0x800000000000000ULL),
     DEFINE_PROP_BOOL("ddw", SpaprPhbState, ddw_enabled, true),
     DEFINE_PROP_UINT64("pgsz", SpaprPhbState, page_size_mask,
-                       (1ULL << 12) | (1ULL << 16)),
+                       (1ULL << 12) | (1ULL << 16)
+                       | (1ULL << 21) | (1ULL << 24)),
     DEFINE_PROP_UINT32("numa_node", SpaprPhbState, numa_node, -1),
     DEFINE_PROP_BOOL("pre-2.8-migration", SpaprPhbState,
                      pre_2_8_migration, false),
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index d3f9a69..526b489 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -217,6 +217,36 @@ static void rtas_stop_self(PowerPCCPU *cpu, SpaprMachineState *spapr,
     qemu_cpu_kick(cs);
 }
 
+static void rtas_ibm_suspend_me(PowerPCCPU *cpu, SpaprMachineState *spapr,
+                           uint32_t token, uint32_t nargs,
+                           target_ulong args,
+                           uint32_t nret, target_ulong rets)
+{
+    CPUState *cs;
+
+    if (nargs != 0 || nret != 1) {
+        rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
+        return;
+    }
+
+    CPU_FOREACH(cs) {
+        PowerPCCPU *c = POWERPC_CPU(cs);
+        CPUPPCState *e = &c->env;
+        if (c == cpu) {
+            continue;
+        }
+
+        /* See h_join */
+        if (!cs->halted || (e->msr & (1ULL << MSR_EE))) {
+            rtas_st(rets, 0, H_MULTI_THREADS_ACTIVE);
+            return;
+        }
+    }
+
+    qemu_system_suspend_request();
+    rtas_st(rets, 0, RTAS_OUT_SUCCESS);
+}
+
 static inline int sysparm_st(target_ulong addr, target_ulong len,
                              const void *val, uint16_t vallen)
 {
@@ -484,6 +514,8 @@ static void core_rtas_register_types(void)
                         rtas_query_cpu_stopped_state);
     spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu);
     spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self);
+    spapr_rtas_register(RTAS_IBM_SUSPEND_ME, "ibm,suspend-me",
+                        rtas_ibm_suspend_me);
     spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER,
                         "ibm,get-system-parameter",
                         rtas_ibm_get_system_parameter);
diff --git a/hw/ppc/spapr_tpm_proxy.c b/hw/ppc/spapr_tpm_proxy.c
new file mode 100644
index 0000000..b835d25
--- /dev/null
+++ b/hw/ppc/spapr_tpm_proxy.c
@@ -0,0 +1,178 @@
+/*
+ * SPAPR TPM Proxy/Hypercall
+ *
+ * Copyright IBM Corp. 2019
+ *
+ * Authors:
+ *  Michael Roth      <mdroth@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qapi/error.h"
+#include "qemu/error-report.h"
+#include "sysemu/reset.h"
+#include "cpu.h"
+#include "hw/ppc/spapr.h"
+#include "hw/qdev-properties.h"
+#include "trace.h"
+
+#define TPM_SPAPR_BUFSIZE 4096
+
+enum {
+    TPM_COMM_OP_EXECUTE = 1,
+    TPM_COMM_OP_CLOSE_SESSION = 2,
+};
+
+static void spapr_tpm_proxy_reset(void *opaque)
+{
+    SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(opaque);
+
+    if (tpm_proxy->host_fd != -1) {
+        close(tpm_proxy->host_fd);
+        tpm_proxy->host_fd = -1;
+    }
+}
+
+static ssize_t tpm_execute(SpaprTpmProxy *tpm_proxy, target_ulong *args)
+{
+    uint64_t data_in = ppc64_phys_to_real(args[1]);
+    target_ulong data_in_size = args[2];
+    uint64_t data_out = ppc64_phys_to_real(args[3]);
+    target_ulong data_out_size = args[4];
+    uint8_t buf_in[TPM_SPAPR_BUFSIZE];
+    uint8_t buf_out[TPM_SPAPR_BUFSIZE];
+    ssize_t ret;
+
+    trace_spapr_tpm_execute(data_in, data_in_size, data_out, data_out_size);
+
+    if (data_in_size > TPM_SPAPR_BUFSIZE) {
+        error_report("invalid TPM input buffer size: " TARGET_FMT_lu,
+                     data_in_size);
+        return H_P3;
+    }
+
+    if (data_out_size < TPM_SPAPR_BUFSIZE) {
+        error_report("invalid TPM output buffer size: " TARGET_FMT_lu,
+                     data_out_size);
+        return H_P5;
+    }
+
+    if (tpm_proxy->host_fd == -1) {
+        tpm_proxy->host_fd = open(tpm_proxy->host_path, O_RDWR);
+        if (tpm_proxy->host_fd == -1) {
+            error_report("failed to open TPM device %s: %d",
+                         tpm_proxy->host_path, errno);
+            return H_RESOURCE;
+        }
+    }
+
+    cpu_physical_memory_read(data_in, buf_in, data_in_size);
+
+    do {
+        ret = write(tpm_proxy->host_fd, buf_in, data_in_size);
+        if (ret > 0) {
+            data_in_size -= ret;
+        }
+    } while ((ret >= 0 && data_in_size > 0) || (ret == -1 && errno == EINTR));
+
+    if (ret == -1) {
+        error_report("failed to write to TPM device %s: %d",
+                     tpm_proxy->host_path, errno);
+        return H_RESOURCE;
+    }
+
+    do {
+        ret = read(tpm_proxy->host_fd, buf_out, data_out_size);
+    } while (ret == 0 || (ret == -1 && errno == EINTR));
+
+    if (ret == -1) {
+        error_report("failed to read from TPM device %s: %d",
+                     tpm_proxy->host_path, errno);
+        return H_RESOURCE;
+    }
+
+    cpu_physical_memory_write(data_out, buf_out, ret);
+    args[0] = ret;
+
+    return H_SUCCESS;
+}
+
+static target_ulong h_tpm_comm(PowerPCCPU *cpu,
+                               SpaprMachineState *spapr,
+                               target_ulong opcode,
+                               target_ulong *args)
+{
+    target_ulong op = args[0];
+    SpaprTpmProxy *tpm_proxy = spapr->tpm_proxy;
+
+    if (!tpm_proxy) {
+        error_report("TPM proxy not available");
+        return H_FUNCTION;
+    }
+
+    trace_spapr_h_tpm_comm(tpm_proxy->host_path ?: "null", op);
+
+    switch (op) {
+    case TPM_COMM_OP_EXECUTE:
+        return tpm_execute(tpm_proxy, args);
+    case TPM_COMM_OP_CLOSE_SESSION:
+        spapr_tpm_proxy_reset(tpm_proxy);
+        return H_SUCCESS;
+    default:
+        return H_PARAMETER;
+    }
+}
+
+static void spapr_tpm_proxy_realize(DeviceState *d, Error **errp)
+{
+    SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(d);
+
+    if (tpm_proxy->host_path == NULL) {
+        error_setg(errp, "must specify 'host-path' option for device");
+        return;
+    }
+
+    tpm_proxy->host_fd = -1;
+    qemu_register_reset(spapr_tpm_proxy_reset, tpm_proxy);
+}
+
+static void spapr_tpm_proxy_unrealize(DeviceState *d, Error **errp)
+{
+    SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(d);
+
+    qemu_unregister_reset(spapr_tpm_proxy_reset, tpm_proxy);
+}
+
+static Property spapr_tpm_proxy_properties[] = {
+    DEFINE_PROP_STRING("host-path", SpaprTpmProxy, host_path),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void spapr_tpm_proxy_class_init(ObjectClass *k, void *data)
+{
+    DeviceClass *dk = DEVICE_CLASS(k);
+
+    dk->realize = spapr_tpm_proxy_realize;
+    dk->unrealize = spapr_tpm_proxy_unrealize;
+    dk->user_creatable = true;
+    dk->props = spapr_tpm_proxy_properties;
+}
+
+static const TypeInfo spapr_tpm_proxy_info = {
+    .name          = TYPE_SPAPR_TPM_PROXY,
+    .parent        = TYPE_DEVICE,
+    .instance_size = sizeof(SpaprTpmProxy),
+    .class_init    = spapr_tpm_proxy_class_init,
+};
+
+static void spapr_tpm_proxy_register_types(void)
+{
+    type_register_static(&spapr_tpm_proxy_info);
+    spapr_register_hypercall(SVM_H_TPM_COMM, h_tpm_comm);
+}
+
+type_init(spapr_tpm_proxy_register_types)
diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
index f76448f..96dad76 100644
--- a/hw/ppc/trace-events
+++ b/hw/ppc/trace-events
@@ -25,6 +25,10 @@ spapr_update_dt(unsigned cb) "New blob %u bytes"
 spapr_update_dt_failed_size(unsigned cbold, unsigned cbnew, unsigned magic) "Old blob %u bytes, new blob %u bytes, magic 0x%x"
 spapr_update_dt_failed_check(unsigned cbold, unsigned cbnew, unsigned magic) "Old blob %u bytes, new blob %u bytes, magic 0x%x"
 
+# spapr_hcall_tpm.c
+spapr_h_tpm_comm(const char *device_path, uint64_t operation) "tpm_device_path=%s operation=0x%"PRIu64
+spapr_tpm_execute(uint64_t data_in, uint64_t data_in_sz, uint64_t data_out, uint64_t data_out_sz) "data_in=0x%"PRIx64", data_in_sz=%"PRIu64", data_out=0x%"PRIx64", data_out_sz=%"PRIu64
+
 # spapr_iommu.c
 spapr_iommu_put(uint64_t liobn, uint64_t ioba, uint64_t tce, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tce=0x%"PRIx64" ret=%"PRId64
 spapr_iommu_get(uint64_t liobn, uint64_t ioba, uint64_t ret, uint64_t tce) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" ret=%"PRId64" tce=0x%"PRIx64
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 434d933..8bfb668 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -663,14 +663,26 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
+static void ccw_machine_4_2_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_4_2_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(4_2, "4.2", true);
+
 static void ccw_machine_4_1_instance_options(MachineState *machine)
 {
+    ccw_machine_4_2_instance_options(machine);
 }
 
 static void ccw_machine_4_1_class_options(MachineClass *mc)
 {
+    ccw_machine_4_2_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
 }
-DEFINE_CCW_MACHINE(4_1, "4.1", true);
+DEFINE_CCW_MACHINE(4_1, "4.1", false);
 
 static void ccw_machine_4_0_instance_options(MachineState *machine)
 {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 739d109..60d6921 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -180,6 +180,7 @@ struct MachineClass {
 
     void (*init)(MachineState *state);
     void (*reset)(MachineState *state);
+    void (*wakeup)(MachineState *state);
     void (*hot_add_cpu)(MachineState *state, const int64_t id, Error **errp);
     int (*kvm_type)(MachineState *machine, const char *arg);
     void (*smp_parse)(MachineState *ms, QemuOpts *opts);
@@ -317,6 +318,9 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
+extern GlobalProperty hw_compat_4_1[];
+extern const size_t hw_compat_4_1_len;
+
 extern GlobalProperty hw_compat_4_0[];
 extern const size_t hw_compat_4_0_len;
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 2afe285..19a8378 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -302,6 +302,9 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
 int e820_get_num_entries(void);
 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 
+extern GlobalProperty pc_compat_4_1[];
+extern const size_t pc_compat_4_1_len;
+
 extern GlobalProperty pc_compat_4_0[];
 extern const size_t pc_compat_4_0_len;
 
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 60553d3..fa7c380 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -10,6 +10,7 @@
 #include "hw/ppc/spapr_irq.h"
 #include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
 #include "hw/ppc/xics.h"        /* For ICSState */
+#include "hw/ppc/spapr_tpm_proxy.h"
 
 struct SpaprVioBus;
 struct SpaprPhbState;
@@ -203,6 +204,7 @@ struct SpaprMachineState {
     SpaprCapabilities def, eff, mig;
 
     unsigned gpu_numa_id;
+    SpaprTpmProxy *tpm_proxy;
 };
 
 #define H_SUCCESS         0
@@ -508,6 +510,15 @@ struct SpaprMachineState {
 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
 
+/*
+ * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
+ * Secure VM mode via an Ultravisor / Protected Execution Facility
+ */
+#define SVM_HCALL_BASE              0xEF00
+#define SVM_H_TPM_COMM              0xEF10
+#define SVM_HCALL_MAX               SVM_H_TPM_COMM
+
+
 typedef struct SpaprDeviceTreeUpdateHeader {
     uint32_t version_id;
 } SpaprDeviceTreeUpdateHeader;
@@ -525,6 +536,13 @@ void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
                              target_ulong *args);
 
+/* Virtual Processor Area structure constants */
+#define VPA_MIN_SIZE           640
+#define VPA_SIZE_OFFSET        0x4
+#define VPA_SHARED_PROC_OFFSET 0x9
+#define VPA_SHARED_PROC_VAL    0x2
+#define VPA_DISPATCH_COUNTER   0x100
+
 /* ibm,set-eeh-option */
 #define RTAS_EEH_DISABLE                 0
 #define RTAS_EEH_ENABLE                  1
@@ -624,8 +642,9 @@ target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
+#define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
 
-#define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
+#define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2B)
 
 /* RTAS ibm,get-system-parameter token values */
 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
index 35e0a7e..1c4cc65 100644
--- a/include/hw/ppc/spapr_cpu_core.h
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -46,6 +46,7 @@ typedef struct SpaprCpuState {
     uint64_t vpa_addr;
     uint64_t slb_shadow_addr, slb_shadow_size;
     uint64_t dtl_addr, dtl_size;
+    bool prod; /* not migrated, only used to improve dispatch latencies */
     struct ICPState *icp;
     struct XiveTCTX *tctx;
 } SpaprCpuState;
diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
index 8132e00..5db3051 100644
--- a/include/hw/ppc/spapr_irq.h
+++ b/include/hw/ppc/spapr_irq.h
@@ -30,7 +30,6 @@ void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis);
 int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align,
                         Error **errp);
 void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num);
-void spapr_irq_msi_reset(SpaprMachineState *spapr);
 
 typedef struct SpaprIrq {
     uint32_t    nr_irqs;
diff --git a/include/hw/ppc/spapr_tpm_proxy.h b/include/hw/ppc/spapr_tpm_proxy.h
new file mode 100644
index 0000000..c574e22
--- /dev/null
+++ b/include/hw/ppc/spapr_tpm_proxy.h
@@ -0,0 +1,31 @@
+/*
+ * SPAPR TPM Proxy/Hypercall
+ *
+ * Copyright IBM Corp. 2019
+ *
+ * Authors:
+ *  Michael Roth      <mdroth@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef HW_SPAPR_TPM_PROXY_H
+#define HW_SPAPR_TPM_PROXY_H
+
+#include "qom/object.h"
+#include "hw/qdev-core.h"
+
+#define TYPE_SPAPR_TPM_PROXY "spapr-tpm-proxy"
+#define SPAPR_TPM_PROXY(obj) OBJECT_CHECK(SpaprTpmProxy, (obj), \
+                                          TYPE_SPAPR_TPM_PROXY)
+
+typedef struct SpaprTpmProxy {
+    /*< private >*/
+    DeviceState parent;
+
+    char *host_path;
+    int host_fd;
+} SpaprTpmProxy;
+
+#endif /* HW_SPAPR_TPM_PROXY_H */
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 9399c77..6d38755 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -148,13 +148,11 @@
  * XIVE Notifier (Interface between Source and Router)
  */
 
-typedef struct XiveNotifier {
-    Object parent;
-} XiveNotifier;
+typedef struct XiveNotifier XiveNotifier;
 
 #define TYPE_XIVE_NOTIFIER "xive-notifier"
 #define XIVE_NOTIFIER(obj)                                     \
-    OBJECT_CHECK(XiveNotifier, (obj), TYPE_XIVE_NOTIFIER)
+    INTERFACE_CHECK(XiveNotifier, (obj), TYPE_XIVE_NOTIFIER)
 #define XIVE_NOTIFIER_CLASS(klass)                                     \
     OBJECT_CLASS_CHECK(XiveNotifierClass, (klass), TYPE_XIVE_NOTIFIER)
 #define XIVE_NOTIFIER_GET_CLASS(obj)                                   \
@@ -356,8 +354,6 @@ typedef struct XiveRouterClass {
     XiveTCTX *(*get_tctx)(XiveRouter *xrtr, CPUState *cs);
 } XiveRouterClass;
 
-void xive_eas_pic_print_info(XiveEAS *eas, uint32_t lisn, Monitor *mon);
-
 int xive_router_get_eas(XiveRouter *xrtr, uint8_t eas_blk, uint32_t eas_idx,
                         XiveEAS *eas);
 int xive_router_get_end(XiveRouter *xrtr, uint8_t end_blk, uint32_t end_idx,
@@ -399,9 +395,6 @@ typedef struct XiveENDSource {
  */
 #define XIVE_PRIORITY_MAX  7
 
-void xive_end_pic_print_info(XiveEND *end, uint32_t end_idx, Monitor *mon);
-void xive_end_queue_pic_print_info(XiveEND *end, uint32_t width, Monitor *mon);
-
 /*
  * XIVE Thread Interrupt Management Aera (TIMA)
  *
diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h
index b0c68ab..08c8bf7 100644
--- a/include/hw/ppc/xive_regs.h
+++ b/include/hw/ppc/xive_regs.h
@@ -131,6 +131,8 @@ typedef struct XiveEAS {
 #define xive_eas_is_valid(eas)   (be64_to_cpu((eas)->w) & EAS_VALID)
 #define xive_eas_is_masked(eas)  (be64_to_cpu((eas)->w) & EAS_MASKED)
 
+void xive_eas_pic_print_info(XiveEAS *eas, uint32_t lisn, Monitor *mon);
+
 static inline uint64_t xive_get_field64(uint64_t mask, uint64_t word)
 {
     return (be64_to_cpu(word) & mask) >> ctz64(mask);
@@ -210,6 +212,10 @@ typedef struct XiveEND {
 #define xive_end_is_notify(end)   (be32_to_cpu((end)->w0) & END_W0_UCOND_NOTIFY)
 #define xive_end_is_backlog(end)  (be32_to_cpu((end)->w0) & END_W0_BACKLOG)
 #define xive_end_is_escalate(end) (be32_to_cpu((end)->w0) & END_W0_ESCALATE_CTL)
+#define xive_end_is_uncond_escalation(end)              \
+    (be32_to_cpu((end)->w0) & END_W0_UNCOND_ESCALATE)
+#define xive_end_is_silent_escalation(end)              \
+    (be32_to_cpu((end)->w0) & END_W0_SILENT_ESCALATE)
 
 static inline uint64_t xive_end_qaddr(XiveEND *end)
 {
@@ -217,6 +223,10 @@ static inline uint64_t xive_end_qaddr(XiveEND *end)
         be32_to_cpu(end->w3);
 }
 
+void xive_end_pic_print_info(XiveEND *end, uint32_t end_idx, Monitor *mon);
+void xive_end_queue_pic_print_info(XiveEND *end, uint32_t width, Monitor *mon);
+void xive_end_eas_pic_print_info(XiveEND *end, uint32_t end_idx, Monitor *mon);
+
 /* Notification Virtual Target (NVT) */
 typedef struct XiveNVT {
         uint32_t        w0;
diff --git a/pc-bios/README b/pc-bios/README
index 68b4a81..d59cd25 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -17,7 +17,7 @@
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
   https://github.com/aik/SLOF, and the image currently in qemu is
-  built from git tag qemu-slof-20190703.
+  built from git tag qemu-slof-20190719.
 
 - sgabios (the Serial Graphics Adapter option ROM) provides a means for
   legacy x86 software to communicate with an attached serial console as
diff --git a/pc-bios/slof.bin b/pc-bios/slof.bin
index 2def514..fb08375 100644
--- a/pc-bios/slof.bin
+++ b/pc-bios/slof.bin
diff --git a/roms/SLOF b/roms/SLOF
-Subproject ba1ab360eebe6338bb8d7d83a9220ccf7e213af
+Subproject 7bfe584e321946771692711ff83ad2b5850daca
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index a2f202f..5769fb7 100644
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -201,6 +201,7 @@ typedef struct PowerPCCPUClass {
 typedef struct PPCTimebase {
     uint64_t guest_timebase;
     int64_t time_of_the_day_ns;
+    bool runstate_paused;
 } PPCTimebase;
 
 extern const VMStateDescription vmstate_ppc_timebase;
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 4ea33cf..eaee1a5 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -591,7 +591,7 @@ enum {
 #define FPSCR_XE     3  /* Floating-point inexact exception enable           */
 #define FPSCR_NI     2  /* Floating-point non-IEEE mode                      */
 #define FPSCR_RN1    1
-#define FPSCR_RN     0  /* Floating-point rounding control                   */
+#define FPSCR_RN0    0  /* Floating-point rounding control                   */
 #define fpscr_fex    (((env->fpscr) >> FPSCR_FEX)    & 0x1)
 #define fpscr_vx     (((env->fpscr) >> FPSCR_VX)     & 0x1)
 #define fpscr_ox     (((env->fpscr) >> FPSCR_OX)     & 0x1)
@@ -614,7 +614,7 @@ enum {
 #define fpscr_ze     (((env->fpscr) >> FPSCR_ZE)     & 0x1)
 #define fpscr_xe     (((env->fpscr) >> FPSCR_XE)     & 0x1)
 #define fpscr_ni     (((env->fpscr) >> FPSCR_NI)     & 0x1)
-#define fpscr_rn     (((env->fpscr) >> FPSCR_RN)     & 0x3)
+#define fpscr_rn     (((env->fpscr) >> FPSCR_RN0)    & 0x3)
 /* Invalid operation exception summary */
 #define fpscr_ix ((env->fpscr) & ((1 << FPSCR_VXSNAN) | (1 << FPSCR_VXISI)  | \
                                   (1 << FPSCR_VXIDI)  | (1 << FPSCR_VXZDZ)  | \
@@ -640,7 +640,7 @@ enum {
 #define FP_VXZDZ        (1ull << FPSCR_VXZDZ)
 #define FP_VXIMZ        (1ull << FPSCR_VXIMZ)
 #define FP_VXVC         (1ull << FPSCR_VXVC)
-#define FP_FR           (1ull << FSPCR_FR)
+#define FP_FR           (1ull << FPSCR_FR)
 #define FP_FI           (1ull << FPSCR_FI)
 #define FP_C            (1ull << FPSCR_C)
 #define FP_FL           (1ull << FPSCR_FL)
@@ -648,7 +648,7 @@ enum {
 #define FP_FE           (1ull << FPSCR_FE)
 #define FP_FU           (1ull << FPSCR_FU)
 #define FP_FPCC         (FP_FL | FP_FG | FP_FE | FP_FU)
-#define FP_FPRF         (FP_C  | FP_FL | FP_FG | FP_FE | FP_FU)
+#define FP_FPRF         (FP_C | FP_FPCC)
 #define FP_VXSOFT       (1ull << FPSCR_VXSOFT)
 #define FP_VXSQRT       (1ull << FPSCR_VXSQRT)
 #define FP_VXCVI        (1ull << FPSCR_VXCVI)
@@ -659,7 +659,12 @@ enum {
 #define FP_XE           (1ull << FPSCR_XE)
 #define FP_NI           (1ull << FPSCR_NI)
 #define FP_RN1          (1ull << FPSCR_RN1)
-#define FP_RN           (1ull << FPSCR_RN)
+#define FP_RN0          (1ull << FPSCR_RN0)
+#define FP_RN           (FP_RN1 | FP_RN0)
+
+#define FP_MODE         FP_RN
+#define FP_ENABLES      (FP_VE | FP_OE | FP_UE | FP_ZE | FP_XE)
+#define FP_STATUS       (FP_FR | FP_FI | FP_FPRF)
 
 /* the exception bits which can be cleared by mcrfs - includes FX */
 #define FP_EX_CLEAR_BITS (FP_FX     | FP_OX     | FP_UX     | FP_ZX     | \
@@ -1104,10 +1109,6 @@ struct CPUPPCState {
     bool resume_as_sreset;
 #endif
 
-    /* Those resources are used only during code translation */
-    /* opcode handlers */
-    opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN];
-
     /* Those resources are used only in QEMU core */
     target_ulong hflags;      /* hflags is a MSR & HFLAGS_MASK         */
     target_ulong hflags_nmsr; /* specific hflags, not coming from MSR */
@@ -1191,6 +1192,10 @@ struct PowerPCCPU {
     int32_t node_id; /* NUMA node this CPU belongs to */
     PPCHash64Options *hash64_opts;
 
+    /* Those resources are used only during code translation */
+    /* opcode handlers */
+    opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN];
+
     /* Fields related to migration compatibility hacks */
     bool pre_2_8_migration;
     target_ulong mig_msr_mask;
@@ -1224,6 +1229,10 @@ struct PPCVirtualHypervisorClass {
     void (*hpte_set_r)(PPCVirtualHypervisor *vhyp, hwaddr ptex, uint64_t pte1);
     void (*get_pate)(PPCVirtualHypervisor *vhyp, ppc_v3_pate_t *entry);
     target_ulong (*encode_hpt_for_kvm_pr)(PPCVirtualHypervisor *vhyp);
+#ifndef CONFIG_USER_ONLY
+    void (*cpu_exec_enter)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu);
+    void (*cpu_exec_exit)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu);
+#endif
 };
 
 #define TYPE_PPC_VIRTUAL_HYPERVISOR "ppc-virtual-hypervisor"
@@ -1462,6 +1471,7 @@ typedef PowerPCCPU ArchCPU;
 #define SPR_MPC_ICTRL         (0x09E)
 #define SPR_MPC_BAR           (0x09F)
 #define SPR_PSPB              (0x09F)
+#define SPR_DPDES             (0x0B0)
 #define SPR_DAWR              (0x0B4)
 #define SPR_RPR               (0x0BA)
 #define SPR_CIABR             (0x0BB)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index f437c88..07bc905 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -58,19 +58,35 @@ uint64_t helper_todouble(uint32_t arg)
     uint64_t ret;
 
     if (likely(abs_arg >= 0x00800000)) {
-        /* Normalized operand, or Inf, or NaN.  */
-        ret  = (uint64_t)extract32(arg, 30, 2) << 62;
-        ret |= ((extract32(arg, 30, 1) ^ 1) * (uint64_t)7) << 59;
-        ret |= (uint64_t)extract32(arg, 0, 30) << 29;
+        if (unlikely(extract32(arg, 23, 8) == 0xff)) {
+            /* Inf or NAN.  */
+            ret  = (uint64_t)extract32(arg, 31, 1) << 63;
+            ret |= (uint64_t)0x7ff << 52;
+            ret |= (uint64_t)extract32(arg, 0, 23) << 29;
+        } else {
+            /* Normalized operand.  */
+            ret  = (uint64_t)extract32(arg, 30, 2) << 62;
+            ret |= ((extract32(arg, 30, 1) ^ 1) * (uint64_t)7) << 59;
+            ret |= (uint64_t)extract32(arg, 0, 30) << 29;
+        }
     } else {
         /* Zero or Denormalized operand.  */
         ret = (uint64_t)extract32(arg, 31, 1) << 63;
         if (unlikely(abs_arg != 0)) {
-            /* Denormalized operand.  */
-            int shift = clz32(abs_arg) - 9;
-            int exp = -126 - shift + 1023;
+            /*
+             * Denormalized operand.
+             * Shift fraction so that the msb is in the implicit bit position.
+             * Thus, shift is in the range [1:23].
+             */
+            int shift = clz32(abs_arg) - 8;
+            /*
+             * The first 3 terms compute the float64 exponent.  We then bias
+             * this result by -1 so that we can swallow the implicit bit below.
+             */
+            int exp = -126 - shift + 1023 - 1;
+
             ret |= (uint64_t)exp << 52;
-            ret |= abs_arg << (shift + 29);
+            ret += (uint64_t)abs_arg << (52 - 23 + shift);
         }
     }
     return ret;
@@ -403,7 +419,7 @@ void helper_fpscr_clrbit(CPUPPCState *env, uint32_t bit)
     if (prev == 1) {
         switch (bit) {
         case FPSCR_RN1:
-        case FPSCR_RN:
+        case FPSCR_RN0:
             fpscr_set_rounding_mode(env);
             break;
         case FPSCR_VXSNAN:
@@ -557,7 +573,7 @@ void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit)
             }
             break;
         case FPSCR_RN1:
-        case FPSCR_RN:
+        case FPSCR_RN0:
             fpscr_set_rounding_mode(env);
             break;
         default:
@@ -2871,10 +2887,14 @@ void helper_xscvqpdp(CPUPPCState *env, uint32_t opcode,
 
 uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb)
 {
+    uint64_t result;
+
     float_status tstat = env->fp_status;
     set_float_exception_flags(0, &tstat);
 
-    return (uint64_t)float64_to_float32(xb, &tstat) << 32;
+    result = (uint64_t)float64_to_float32(xb, &tstat);
+    /* hardware replicates result to both words of the doubleword result.  */
+    return (result << 32) | result;
 }
 
 uint64_t helper_xscvspdpn(CPUPPCState *env, uint64_t xb)
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 380c9b1..54ea9b9 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -193,8 +193,6 @@ DEF_HELPER_2(vprtybw, void, avr, avr)
 DEF_HELPER_2(vprtybd, void, avr, avr)
 DEF_HELPER_2(vprtybq, void, avr, avr)
 DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
-DEF_HELPER_2(lvsl, void, avr, tl)
-DEF_HELPER_2(lvsr, void, avr, tl)
 DEF_HELPER_FLAGS_5(vaddsbs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
 DEF_HELPER_FLAGS_5(vaddshs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
 DEF_HELPER_FLAGS_5(vaddsws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32)
@@ -219,8 +217,6 @@ DEF_HELPER_3(vrlb, void, avr, avr, avr)
 DEF_HELPER_3(vrlh, void, avr, avr, avr)
 DEF_HELPER_3(vrlw, void, avr, avr, avr)
 DEF_HELPER_3(vrld, void, avr, avr, avr)
-DEF_HELPER_3(vsl, void, avr, avr, avr)
-DEF_HELPER_3(vsr, void, avr, avr, avr)
 DEF_HELPER_4(vsldoi, void, avr, avr, avr, i32)
 DEF_HELPER_3(vextractub, void, avr, avr, i32)
 DEF_HELPER_3(vextractuh, void, avr, avr, i32)
@@ -314,8 +310,6 @@ DEF_HELPER_4(vctsxs, void, env, avr, avr, i32)
 
 DEF_HELPER_2(vclzb, void, avr, avr)
 DEF_HELPER_2(vclzh, void, avr, avr)
-DEF_HELPER_2(vclzw, void, avr, avr)
-DEF_HELPER_2(vclzd, void, avr, avr)
 DEF_HELPER_2(vctzb, void, avr, avr)
 DEF_HELPER_2(vctzh, void, avr, avr)
 DEF_HELPER_2(vctzw, void, avr, avr)
@@ -328,7 +322,6 @@ DEF_HELPER_1(vclzlsbb, tl, avr)
 DEF_HELPER_1(vctzlsbb, tl, avr)
 DEF_HELPER_3(vbpermd, void, avr, avr, avr)
 DEF_HELPER_3(vbpermq, void, avr, avr, avr)
-DEF_HELPER_2(vgbbd, void, avr, avr)
 DEF_HELPER_3(vpmsumb, void, avr, avr, avr)
 DEF_HELPER_3(vpmsumh, void, avr, avr, avr)
 DEF_HELPER_3(vpmsumw, void, avr, avr, avr)
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 8f037af..46deb57 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -459,24 +459,6 @@ SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX)
 #undef SATCVT
 #undef SATCVTU
 
-void helper_lvsl(ppc_avr_t *r, target_ulong sh)
-{
-    int i, j = (sh & 0xf);
-
-    for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
-        r->VsrB(i) = j++;
-    }
-}
-
-void helper_lvsr(ppc_avr_t *r, target_ulong sh)
-{
-    int i, j = 0x10 - (sh & 0xf);
-
-    for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
-        r->VsrB(i) = j++;
-    }
-}
-
 void helper_mtvscr(CPUPPCState *env, uint32_t vscr)
 {
     env->vscr = vscr & ~(1u << VSCR_SAT);
@@ -1205,282 +1187,6 @@ void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 #undef VBPERMQ_INDEX
 #undef VBPERMQ_DW
 
-static const uint64_t VGBBD_MASKS[256] = {
-    0x0000000000000000ull, /* 00 */
-    0x0000000000000080ull, /* 01 */
-    0x0000000000008000ull, /* 02 */
-    0x0000000000008080ull, /* 03 */
-    0x0000000000800000ull, /* 04 */
-    0x0000000000800080ull, /* 05 */
-    0x0000000000808000ull, /* 06 */
-    0x0000000000808080ull, /* 07 */
-    0x0000000080000000ull, /* 08 */
-    0x0000000080000080ull, /* 09 */
-    0x0000000080008000ull, /* 0A */
-    0x0000000080008080ull, /* 0B */
-    0x0000000080800000ull, /* 0C */
-    0x0000000080800080ull, /* 0D */
-    0x0000000080808000ull, /* 0E */
-    0x0000000080808080ull, /* 0F */
-    0x0000008000000000ull, /* 10 */
-    0x0000008000000080ull, /* 11 */
-    0x0000008000008000ull, /* 12 */
-    0x0000008000008080ull, /* 13 */
-    0x0000008000800000ull, /* 14 */
-    0x0000008000800080ull, /* 15 */
-    0x0000008000808000ull, /* 16 */
-    0x0000008000808080ull, /* 17 */
-    0x0000008080000000ull, /* 18 */
-    0x0000008080000080ull, /* 19 */
-    0x0000008080008000ull, /* 1A */
-    0x0000008080008080ull, /* 1B */
-    0x0000008080800000ull, /* 1C */
-    0x0000008080800080ull, /* 1D */
-    0x0000008080808000ull, /* 1E */
-    0x0000008080808080ull, /* 1F */
-    0x0000800000000000ull, /* 20 */
-    0x0000800000000080ull, /* 21 */
-    0x0000800000008000ull, /* 22 */
-    0x0000800000008080ull, /* 23 */
-    0x0000800000800000ull, /* 24 */
-    0x0000800000800080ull, /* 25 */
-    0x0000800000808000ull, /* 26 */
-    0x0000800000808080ull, /* 27 */
-    0x0000800080000000ull, /* 28 */
-    0x0000800080000080ull, /* 29 */
-    0x0000800080008000ull, /* 2A */
-    0x0000800080008080ull, /* 2B */
-    0x0000800080800000ull, /* 2C */
-    0x0000800080800080ull, /* 2D */
-    0x0000800080808000ull, /* 2E */
-    0x0000800080808080ull, /* 2F */
-    0x0000808000000000ull, /* 30 */
-    0x0000808000000080ull, /* 31 */
-    0x0000808000008000ull, /* 32 */
-    0x0000808000008080ull, /* 33 */
-    0x0000808000800000ull, /* 34 */
-    0x0000808000800080ull, /* 35 */
-    0x0000808000808000ull, /* 36 */
-    0x0000808000808080ull, /* 37 */
-    0x0000808080000000ull, /* 38 */
-    0x0000808080000080ull, /* 39 */
-    0x0000808080008000ull, /* 3A */
-    0x0000808080008080ull, /* 3B */
-    0x0000808080800000ull, /* 3C */
-    0x0000808080800080ull, /* 3D */
-    0x0000808080808000ull, /* 3E */
-    0x0000808080808080ull, /* 3F */
-    0x0080000000000000ull, /* 40 */
-    0x0080000000000080ull, /* 41 */
-    0x0080000000008000ull, /* 42 */
-    0x0080000000008080ull, /* 43 */
-    0x0080000000800000ull, /* 44 */
-    0x0080000000800080ull, /* 45 */
-    0x0080000000808000ull, /* 46 */
-    0x0080000000808080ull, /* 47 */
-    0x0080000080000000ull, /* 48 */
-    0x0080000080000080ull, /* 49 */
-    0x0080000080008000ull, /* 4A */
-    0x0080000080008080ull, /* 4B */
-    0x0080000080800000ull, /* 4C */
-    0x0080000080800080ull, /* 4D */
-    0x0080000080808000ull, /* 4E */
-    0x0080000080808080ull, /* 4F */
-    0x0080008000000000ull, /* 50 */
-    0x0080008000000080ull, /* 51 */
-    0x0080008000008000ull, /* 52 */
-    0x0080008000008080ull, /* 53 */
-    0x0080008000800000ull, /* 54 */
-    0x0080008000800080ull, /* 55 */
-    0x0080008000808000ull, /* 56 */
-    0x0080008000808080ull, /* 57 */
-    0x0080008080000000ull, /* 58 */
-    0x0080008080000080ull, /* 59 */
-    0x0080008080008000ull, /* 5A */
-    0x0080008080008080ull, /* 5B */
-    0x0080008080800000ull, /* 5C */
-    0x0080008080800080ull, /* 5D */
-    0x0080008080808000ull, /* 5E */
-    0x0080008080808080ull, /* 5F */
-    0x0080800000000000ull, /* 60 */
-    0x0080800000000080ull, /* 61 */
-    0x0080800000008000ull, /* 62 */
-    0x0080800000008080ull, /* 63 */
-    0x0080800000800000ull, /* 64 */
-    0x0080800000800080ull, /* 65 */
-    0x0080800000808000ull, /* 66 */
-    0x0080800000808080ull, /* 67 */
-    0x0080800080000000ull, /* 68 */
-    0x0080800080000080ull, /* 69 */
-    0x0080800080008000ull, /* 6A */
-    0x0080800080008080ull, /* 6B */
-    0x0080800080800000ull, /* 6C */
-    0x0080800080800080ull, /* 6D */
-    0x0080800080808000ull, /* 6E */
-    0x0080800080808080ull, /* 6F */
-    0x0080808000000000ull, /* 70 */
-    0x0080808000000080ull, /* 71 */
-    0x0080808000008000ull, /* 72 */
-    0x0080808000008080ull, /* 73 */
-    0x0080808000800000ull, /* 74 */
-    0x0080808000800080ull, /* 75 */
-    0x0080808000808000ull, /* 76 */
-    0x0080808000808080ull, /* 77 */
-    0x0080808080000000ull, /* 78 */
-    0x0080808080000080ull, /* 79 */
-    0x0080808080008000ull, /* 7A */
-    0x0080808080008080ull, /* 7B */
-    0x0080808080800000ull, /* 7C */
-    0x0080808080800080ull, /* 7D */
-    0x0080808080808000ull, /* 7E */
-    0x0080808080808080ull, /* 7F */
-    0x8000000000000000ull, /* 80 */
-    0x8000000000000080ull, /* 81 */
-    0x8000000000008000ull, /* 82 */
-    0x8000000000008080ull, /* 83 */
-    0x8000000000800000ull, /* 84 */
-    0x8000000000800080ull, /* 85 */
-    0x8000000000808000ull, /* 86 */
-    0x8000000000808080ull, /* 87 */
-    0x8000000080000000ull, /* 88 */
-    0x8000000080000080ull, /* 89 */
-    0x8000000080008000ull, /* 8A */
-    0x8000000080008080ull, /* 8B */
-    0x8000000080800000ull, /* 8C */
-    0x8000000080800080ull, /* 8D */
-    0x8000000080808000ull, /* 8E */
-    0x8000000080808080ull, /* 8F */
-    0x8000008000000000ull, /* 90 */
-    0x8000008000000080ull, /* 91 */
-    0x8000008000008000ull, /* 92 */
-    0x8000008000008080ull, /* 93 */
-    0x8000008000800000ull, /* 94 */
-    0x8000008000800080ull, /* 95 */
-    0x8000008000808000ull, /* 96 */
-    0x8000008000808080ull, /* 97 */
-    0x8000008080000000ull, /* 98 */
-    0x8000008080000080ull, /* 99 */
-    0x8000008080008000ull, /* 9A */
-    0x8000008080008080ull, /* 9B */
-    0x8000008080800000ull, /* 9C */
-    0x8000008080800080ull, /* 9D */
-    0x8000008080808000ull, /* 9E */
-    0x8000008080808080ull, /* 9F */
-    0x8000800000000000ull, /* A0 */
-    0x8000800000000080ull, /* A1 */
-    0x8000800000008000ull, /* A2 */
-    0x8000800000008080ull, /* A3 */
-    0x8000800000800000ull, /* A4 */
-    0x8000800000800080ull, /* A5 */
-    0x8000800000808000ull, /* A6 */
-    0x8000800000808080ull, /* A7 */
-    0x8000800080000000ull, /* A8 */
-    0x8000800080000080ull, /* A9 */
-    0x8000800080008000ull, /* AA */
-    0x8000800080008080ull, /* AB */
-    0x8000800080800000ull, /* AC */
-    0x8000800080800080ull, /* AD */
-    0x8000800080808000ull, /* AE */
-    0x8000800080808080ull, /* AF */
-    0x8000808000000000ull, /* B0 */
-    0x8000808000000080ull, /* B1 */
-    0x8000808000008000ull, /* B2 */
-    0x8000808000008080ull, /* B3 */
-    0x8000808000800000ull, /* B4 */
-    0x8000808000800080ull, /* B5 */
-    0x8000808000808000ull, /* B6 */
-    0x8000808000808080ull, /* B7 */
-    0x8000808080000000ull, /* B8 */
-    0x8000808080000080ull, /* B9 */
-    0x8000808080008000ull, /* BA */
-    0x8000808080008080ull, /* BB */
-    0x8000808080800000ull, /* BC */
-    0x8000808080800080ull, /* BD */
-    0x8000808080808000ull, /* BE */
-    0x8000808080808080ull, /* BF */
-    0x8080000000000000ull, /* C0 */
-    0x8080000000000080ull, /* C1 */
-    0x8080000000008000ull, /* C2 */
-    0x8080000000008080ull, /* C3 */
-    0x8080000000800000ull, /* C4 */
-    0x8080000000800080ull, /* C5 */
-    0x8080000000808000ull, /* C6 */
-    0x8080000000808080ull, /* C7 */
-    0x8080000080000000ull, /* C8 */
-    0x8080000080000080ull, /* C9 */
-    0x8080000080008000ull, /* CA */
-    0x8080000080008080ull, /* CB */
-    0x8080000080800000ull, /* CC */
-    0x8080000080800080ull, /* CD */
-    0x8080000080808000ull, /* CE */
-    0x8080000080808080ull, /* CF */
-    0x8080008000000000ull, /* D0 */
-    0x8080008000000080ull, /* D1 */
-    0x8080008000008000ull, /* D2 */
-    0x8080008000008080ull, /* D3 */
-    0x8080008000800000ull, /* D4 */
-    0x8080008000800080ull, /* D5 */
-    0x8080008000808000ull, /* D6 */
-    0x8080008000808080ull, /* D7 */
-    0x8080008080000000ull, /* D8 */
-    0x8080008080000080ull, /* D9 */
-    0x8080008080008000ull, /* DA */
-    0x8080008080008080ull, /* DB */
-    0x8080008080800000ull, /* DC */
-    0x8080008080800080ull, /* DD */
-    0x8080008080808000ull, /* DE */
-    0x8080008080808080ull, /* DF */
-    0x8080800000000000ull, /* E0 */
-    0x8080800000000080ull, /* E1 */
-    0x8080800000008000ull, /* E2 */
-    0x8080800000008080ull, /* E3 */
-    0x8080800000800000ull, /* E4 */
-    0x8080800000800080ull, /* E5 */
-    0x8080800000808000ull, /* E6 */
-    0x8080800000808080ull, /* E7 */
-    0x8080800080000000ull, /* E8 */
-    0x8080800080000080ull, /* E9 */
-    0x8080800080008000ull, /* EA */
-    0x8080800080008080ull, /* EB */
-    0x8080800080800000ull, /* EC */
-    0x8080800080800080ull, /* ED */
-    0x8080800080808000ull, /* EE */
-    0x8080800080808080ull, /* EF */
-    0x8080808000000000ull, /* F0 */
-    0x8080808000000080ull, /* F1 */
-    0x8080808000008000ull, /* F2 */
-    0x8080808000008080ull, /* F3 */
-    0x8080808000800000ull, /* F4 */
-    0x8080808000800080ull, /* F5 */
-    0x8080808000808000ull, /* F6 */
-    0x8080808000808080ull, /* F7 */
-    0x8080808080000000ull, /* F8 */
-    0x8080808080000080ull, /* F9 */
-    0x8080808080008000ull, /* FA */
-    0x8080808080008080ull, /* FB */
-    0x8080808080800000ull, /* FC */
-    0x8080808080800080ull, /* FD */
-    0x8080808080808000ull, /* FE */
-    0x8080808080808080ull, /* FF */
-};
-
-void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b)
-{
-    int i;
-    uint64_t t[2] = { 0, 0 };
-
-    VECTOR_FOR_INORDER_I(i, u8) {
-#if defined(HOST_WORDS_BIGENDIAN)
-        t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7);
-#else
-        t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (7 - (i & 7));
-#endif
-    }
-
-    r->u64[0] = t[0];
-    r->u64[1] = t[1];
-}
-
 #define PMSUM(name, srcfld, trgfld, trgtyp)                   \
 void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
 {                                                             \
@@ -1758,41 +1464,6 @@ VEXTU_X_DO(vextuhrx, 16, 0)
 VEXTU_X_DO(vextuwrx, 32, 0)
 #undef VEXTU_X_DO
 
-/*
- * The specification says that the results are undefined if all of the
- * shift counts are not identical.  We check to make sure that they
- * are to conform to what real hardware appears to do.
- */
-#define VSHIFT(suffix, leftp)                                           \
-    void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)    \
-    {                                                                   \
-        int shift = b->VsrB(15) & 0x7;                                  \
-        int doit = 1;                                                   \
-        int i;                                                          \
-                                                                        \
-        for (i = 0; i < ARRAY_SIZE(r->u8); i++) {                       \
-            doit = doit && ((b->u8[i] & 0x7) == shift);                 \
-        }                                                               \
-        if (doit) {                                                     \
-            if (shift == 0) {                                           \
-                *r = *a;                                                \
-            } else if (leftp) {                                         \
-                uint64_t carry = a->VsrD(1) >> (64 - shift);            \
-                                                                        \
-                r->VsrD(0) = (a->VsrD(0) << shift) | carry;             \
-                r->VsrD(1) = a->VsrD(1) << shift;                       \
-            } else {                                                    \
-                uint64_t carry = a->VsrD(0) << (64 - shift);            \
-                                                                        \
-                r->VsrD(1) = (a->VsrD(1) >> shift) | carry;             \
-                r->VsrD(0) = a->VsrD(0) >> shift;                       \
-            }                                                           \
-        }                                                               \
-    }
-VSHIFT(l, 1)
-VSHIFT(r, 0)
-#undef VSHIFT
-
 void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
     int i;
@@ -2148,18 +1819,12 @@ VUPK(lsw, s64, s32, UPKLO)
 
 #define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8)
 #define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16)
-#define clzw(v) clz32((v))
-#define clzd(v) clz64((v))
 
 VGENERIC_DO(clzb, u8)
 VGENERIC_DO(clzh, u16)
-VGENERIC_DO(clzw, u32)
-VGENERIC_DO(clzd, u64)
 
 #undef clzb
 #undef clzh
-#undef clzw
-#undef clzd
 
 #define ctzb(v) ((v) ? ctz32(v) : 8)
 #define ctzh(v) ((v) ? ctz32(v) : 16)
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 6162a90..8c5b1f2 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -58,7 +58,6 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
 };
 
 static int cap_interrupt_unset;
-static int cap_interrupt_level;
 static int cap_segstate;
 static int cap_booke_sregs;
 static int cap_ppc_smt;
@@ -90,25 +89,6 @@ static int cap_large_decr;
 static uint32_t debug_inst_opcode;
 
 /*
- * XXX We have a race condition where we actually have a level triggered
- *     interrupt, but the infrastructure can't expose that yet, so the guest
- *     takes but ignores it, goes to sleep and never gets notified that there's
- *     still an interrupt pending.
- *
- *     As a quick workaround, let's just wake up again 20 ms after we injected
- *     an interrupt. That way we can assure that we're always reinjecting
- *     interrupts in case the guest swallowed them.
- */
-static QEMUTimer *idle_timer;
-
-static void kvm_kick_cpu(void *opaque)
-{
-    PowerPCCPU *cpu = opaque;
-
-    qemu_cpu_kick(CPU(cpu));
-}
-
-/*
  * Check whether we are running with KVM-PR (instead of KVM-HV).  This
  * should only be used for fallback tests - generally we should use
  * explicit capabilities for the features we want, rather than
@@ -127,7 +107,6 @@ static int kvmppc_get_dec_bits(void);
 int kvm_arch_init(MachineState *ms, KVMState *s)
 {
     cap_interrupt_unset = kvm_check_extension(s, KVM_CAP_PPC_UNSET_IRQ);
-    cap_interrupt_level = kvm_check_extension(s, KVM_CAP_PPC_IRQ_LEVEL);
     cap_segstate = kvm_check_extension(s, KVM_CAP_PPC_SEGSTATE);
     cap_booke_sregs = kvm_check_extension(s, KVM_CAP_PPC_BOOKE_SREGS);
     cap_ppc_smt_possible = kvm_vm_check_extension(s, KVM_CAP_PPC_SMT_POSSIBLE);
@@ -163,9 +142,9 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
      */
     cap_ppc_pvr_compat = false;
 
-    if (!cap_interrupt_level) {
-        fprintf(stderr, "KVM: Couldn't find level irq capability. Expect the "
-                        "VM to stall at times!\n");
+    if (!kvm_check_extension(s, KVM_CAP_PPC_IRQ_LEVEL)) {
+        error_report("KVM: Host kernel doesn't have level irq capability");
+        exit(1);
     }
 
     kvm_ppc_register_host_cpu_type(ms);
@@ -493,8 +472,6 @@ int kvm_arch_init_vcpu(CPUState *cs)
         return ret;
     }
 
-    idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, kvm_kick_cpu, cpu);
-
     switch (cenv->mmu_model) {
     case POWERPC_MMU_BOOKE206:
         /* This target supports access to KVM's guest TLB */
@@ -1334,7 +1311,7 @@ int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
         return 0;
     }
 
-    if (!kvm_enabled() || !cap_interrupt_unset || !cap_interrupt_level) {
+    if (!kvm_enabled() || !cap_interrupt_unset) {
         return 0;
     }
 
@@ -1351,49 +1328,7 @@ int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 
 void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 {
-    PowerPCCPU *cpu = POWERPC_CPU(cs);
-    CPUPPCState *env = &cpu->env;
-    int r;
-    unsigned irq;
-
-    qemu_mutex_lock_iothread();
-
-    /*
-     * PowerPC QEMU tracks the various core input pins (interrupt,
-     * critical interrupt, reset, etc) in PPC-specific
-     * env->irq_input_state.
-     */
-    if (!cap_interrupt_level &&
-        run->ready_for_interrupt_injection &&
-        (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
-        (env->irq_input_state & (1 << PPC_INPUT_INT)))
-    {
-        /*
-         * For now KVM disregards the 'irq' argument. However, in the
-         * future KVM could cache it in-kernel to avoid a heavyweight
-         * exit when reading the UIC.
-         */
-        irq = KVM_INTERRUPT_SET;
-
-        trace_kvm_injected_interrupt(irq);
-        r = kvm_vcpu_ioctl(cs, KVM_INTERRUPT, &irq);
-        if (r < 0) {
-            printf("cpu %d fail inject %x\n", cs->cpu_index, irq);
-        }
-
-        /* Always wake up soon in case the interrupt was level based */
-        timer_mod(idle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
-                       (NANOSECONDS_PER_SECOND / 50));
-    }
-
-    /*
-     * We don't know if there are more interrupts pending after
-     * this. However, the guest will return to userspace in the course
-     * of handling this one anyways, so we will get a chance to
-     * deliver the rest.
-     */
-
-    qemu_mutex_unlock_iothread();
+    return;
 }
 
 MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 2a9d13f..0cf3f97 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -7845,6 +7845,7 @@ static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
 static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
 {
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
     CPUPPCState *env = cs->env_ptr;
     opc_handler_t **table, *handler;
 
@@ -7862,7 +7863,7 @@ static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
               opc3(ctx->opcode), opc4(ctx->opcode),
               ctx->le_mode ? "little" : "big");
     ctx->base.pc_next += 4;
-    table = env->opcodes;
+    table = cpu->opcodes;
     handler = table[opc1(ctx->opcode)];
     if (is_indirect_opcode(handler)) {
         table = ind_table(handler);
diff --git a/target/ppc/translate/fp-impl.inc.c b/target/ppc/translate/fp-impl.inc.c
index 9dcff94..7cd9d8d 100644
--- a/target/ppc/translate/fp-impl.inc.c
+++ b/target/ppc/translate/fp-impl.inc.c
@@ -617,6 +617,28 @@ static void gen_mffs(DisasContext *ctx)
     tcg_temp_free_i64(t0);
 }
 
+/* mffsl */
+static void gen_mffsl(DisasContext *ctx)
+{
+    TCGv_i64 t0;
+
+    if (unlikely(!(ctx->insns_flags2 & PPC2_ISA300))) {
+        return gen_mffs(ctx);
+    }
+
+    if (unlikely(!ctx->fpu_enabled)) {
+        gen_exception(ctx, POWERPC_EXCP_FPU);
+        return;
+    }
+    t0 = tcg_temp_new_i64();
+    gen_reset_fpstatus();
+    tcg_gen_extu_tl_i64(t0, cpu_fpscr);
+    /* Mask everything except mode, status, and enables.  */
+    tcg_gen_andi_i64(t0, t0, FP_MODE | FP_STATUS | FP_ENABLES);
+    set_fpr(rD(ctx->opcode), t0);
+    tcg_temp_free_i64(t0);
+}
+
 /* mtfsb0 */
 static void gen_mtfsb0(DisasContext *ctx)
 {
diff --git a/target/ppc/translate/fp-ops.inc.c b/target/ppc/translate/fp-ops.inc.c
index 621f6bf..88ebc25 100644
--- a/target/ppc/translate/fp-ops.inc.c
+++ b/target/ppc/translate/fp-ops.inc.c
@@ -104,7 +104,9 @@ GEN_HANDLER_E(fcpsgn, 0x3F, 0x08, 0x00, 0x00000000, PPC_NONE, PPC2_ISA205),
 GEN_HANDLER_E(fmrgew, 0x3F, 0x06, 0x1E, 0x00000001, PPC_NONE, PPC2_VSX207),
 GEN_HANDLER_E(fmrgow, 0x3F, 0x06, 0x1A, 0x00000001, PPC_NONE, PPC2_VSX207),
 GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT),
-GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT),
+GEN_HANDLER_E_2(mffs, 0x3F, 0x07, 0x12, 0x00, 0x00000000, PPC_FLOAT, PPC_NONE),
+GEN_HANDLER_E_2(mffsl, 0x3F, 0x07, 0x12, 0x18, 0x00000000, PPC_FLOAT,
+    PPC2_ISA300),
 GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT),
 GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT),
 GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x00000000, PPC_FLOAT),
diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c
index 663275b..0d71c10 100644
--- a/target/ppc/translate/vmx-impl.inc.c
+++ b/target/ppc/translate/vmx-impl.inc.c
@@ -142,38 +142,6 @@ GEN_VR_STVE(bx, 0x07, 0x04, 1);
 GEN_VR_STVE(hx, 0x07, 0x05, 2);
 GEN_VR_STVE(wx, 0x07, 0x06, 4);
 
-static void gen_lvsl(DisasContext *ctx)
-{
-    TCGv_ptr rd;
-    TCGv EA;
-    if (unlikely(!ctx->altivec_enabled)) {
-        gen_exception(ctx, POWERPC_EXCP_VPU);
-        return;
-    }
-    EA = tcg_temp_new();
-    gen_addr_reg_index(ctx, EA);
-    rd = gen_avr_ptr(rD(ctx->opcode));
-    gen_helper_lvsl(rd, EA);
-    tcg_temp_free(EA);
-    tcg_temp_free_ptr(rd);
-}
-
-static void gen_lvsr(DisasContext *ctx)
-{
-    TCGv_ptr rd;
-    TCGv EA;
-    if (unlikely(!ctx->altivec_enabled)) {
-        gen_exception(ctx, POWERPC_EXCP_VPU);
-        return;
-    }
-    EA = tcg_temp_new();
-    gen_addr_reg_index(ctx, EA);
-    rd = gen_avr_ptr(rD(ctx->opcode));
-    gen_helper_lvsr(rd, EA);
-    tcg_temp_free(EA);
-    tcg_temp_free_ptr(rd);
-}
-
 static void gen_mfvscr(DisasContext *ctx)
 {
     TCGv_i32 t;
@@ -316,6 +284,16 @@ static void glue(gen_, name)(DisasContext *ctx)                         \
     tcg_temp_free_ptr(rd);                                              \
 }
 
+#define GEN_VXFORM_TRANS(name, opc2, opc3)                              \
+static void glue(gen_, name)(DisasContext *ctx)                         \
+{                                                                       \
+    if (unlikely(!ctx->altivec_enabled)) {                              \
+        gen_exception(ctx, POWERPC_EXCP_VPU);                           \
+        return;                                                         \
+    }                                                                   \
+    trans_##name(ctx);                                                  \
+}
+
 #define GEN_VXFORM_ENV(name, opc2, opc3)                                \
 static void glue(gen_, name)(DisasContext *ctx)                         \
 {                                                                       \
@@ -515,6 +493,307 @@ static void gen_vmrgow(DisasContext *ctx)
     tcg_temp_free_i64(avr);
 }
 
+/*
+ * lvsl VRT,RA,RB - Load Vector for Shift Left
+ *
+ * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31].
+ * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F.
+ * Bytes sh:sh+15 of X are placed into vD.
+ */
+static void trans_lvsl(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    TCGv_i64 result = tcg_temp_new_i64();
+    TCGv_i64 sh = tcg_temp_new_i64();
+    TCGv EA = tcg_temp_new();
+
+    /* Get sh(from description) by anding EA with 0xf. */
+    gen_addr_reg_index(ctx, EA);
+    tcg_gen_extu_tl_i64(sh, EA);
+    tcg_gen_andi_i64(sh, sh, 0xfULL);
+
+    /*
+     * Create bytes sh:sh+7 of X(from description) and place them in
+     * higher doubleword of vD.
+     */
+    tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL);
+    tcg_gen_addi_i64(result, sh, 0x0001020304050607ull);
+    set_avr64(VT, result, true);
+    /*
+     * Create bytes sh+8:sh+15 of X(from description) and place them in
+     * lower doubleword of vD.
+     */
+    tcg_gen_addi_i64(result, sh, 0x08090a0b0c0d0e0fULL);
+    set_avr64(VT, result, false);
+
+    tcg_temp_free_i64(result);
+    tcg_temp_free_i64(sh);
+    tcg_temp_free(EA);
+}
+
+/*
+ * lvsr VRT,RA,RB - Load Vector for Shift Right
+ *
+ * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31].
+ * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F.
+ * Bytes (16-sh):(31-sh) of X are placed into vD.
+ */
+static void trans_lvsr(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    TCGv_i64 result = tcg_temp_new_i64();
+    TCGv_i64 sh = tcg_temp_new_i64();
+    TCGv EA = tcg_temp_new();
+
+
+    /* Get sh(from description) by anding EA with 0xf. */
+    gen_addr_reg_index(ctx, EA);
+    tcg_gen_extu_tl_i64(sh, EA);
+    tcg_gen_andi_i64(sh, sh, 0xfULL);
+
+    /*
+     * Create bytes (16-sh):(23-sh) of X(from description) and place them in
+     * higher doubleword of vD.
+     */
+    tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL);
+    tcg_gen_subfi_i64(result, 0x1011121314151617ULL, sh);
+    set_avr64(VT, result, true);
+    /*
+     * Create bytes (24-sh):(32-sh) of X(from description) and place them in
+     * lower doubleword of vD.
+     */
+    tcg_gen_subfi_i64(result, 0x18191a1b1c1d1e1fULL, sh);
+    set_avr64(VT, result, false);
+
+    tcg_temp_free_i64(result);
+    tcg_temp_free_i64(sh);
+    tcg_temp_free(EA);
+}
+
+/*
+ * vsl VRT,VRA,VRB - Vector Shift Left
+ *
+ * Shifting left 128 bit value of vA by value specified in bits 125-127 of vB.
+ * Lowest 3 bits in each byte element of register vB must be identical or
+ * result is undefined.
+ */
+static void trans_vsl(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    int VA = rA(ctx->opcode);
+    int VB = rB(ctx->opcode);
+    TCGv_i64 avrA = tcg_temp_new_i64();
+    TCGv_i64 avrB = tcg_temp_new_i64();
+    TCGv_i64 sh = tcg_temp_new_i64();
+    TCGv_i64 shifted = tcg_temp_new_i64();
+    TCGv_i64 tmp = tcg_temp_new_i64();
+
+    /* Place bits 125-127 of vB in sh. */
+    get_avr64(avrB, VB, false);
+    tcg_gen_andi_i64(sh, avrB, 0x07ULL);
+
+    /*
+     * Save highest sh bits of lower doubleword element of vA in variable
+     * shifted and perform shift on lower doubleword.
+     */
+    get_avr64(avrA, VA, false);
+    tcg_gen_subfi_i64(tmp, 64, sh);
+    tcg_gen_shr_i64(shifted, avrA, tmp);
+    tcg_gen_andi_i64(shifted, shifted, 0x7fULL);
+    tcg_gen_shl_i64(avrA, avrA, sh);
+    set_avr64(VT, avrA, false);
+
+    /*
+     * Perform shift on higher doubleword element of vA and replace lowest
+     * sh bits with shifted.
+     */
+    get_avr64(avrA, VA, true);
+    tcg_gen_shl_i64(avrA, avrA, sh);
+    tcg_gen_or_i64(avrA, avrA, shifted);
+    set_avr64(VT, avrA, true);
+
+    tcg_temp_free_i64(avrA);
+    tcg_temp_free_i64(avrB);
+    tcg_temp_free_i64(sh);
+    tcg_temp_free_i64(shifted);
+    tcg_temp_free_i64(tmp);
+}
+
+/*
+ * vsr VRT,VRA,VRB - Vector Shift Right
+ *
+ * Shifting right 128 bit value of vA by value specified in bits 125-127 of vB.
+ * Lowest 3 bits in each byte element of register vB must be identical or
+ * result is undefined.
+ */
+static void trans_vsr(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    int VA = rA(ctx->opcode);
+    int VB = rB(ctx->opcode);
+    TCGv_i64 avrA = tcg_temp_new_i64();
+    TCGv_i64 avrB = tcg_temp_new_i64();
+    TCGv_i64 sh = tcg_temp_new_i64();
+    TCGv_i64 shifted = tcg_temp_new_i64();
+    TCGv_i64 tmp = tcg_temp_new_i64();
+
+    /* Place bits 125-127 of vB in sh. */
+    get_avr64(avrB, VB, false);
+    tcg_gen_andi_i64(sh, avrB, 0x07ULL);
+
+    /*
+     * Save lowest sh bits of higher doubleword element of vA in variable
+     * shifted and perform shift on higher doubleword.
+     */
+    get_avr64(avrA, VA, true);
+    tcg_gen_subfi_i64(tmp, 64, sh);
+    tcg_gen_shl_i64(shifted, avrA, tmp);
+    tcg_gen_andi_i64(shifted, shifted, 0xfe00000000000000ULL);
+    tcg_gen_shr_i64(avrA, avrA, sh);
+    set_avr64(VT, avrA, true);
+    /*
+     * Perform shift on lower doubleword element of vA and replace highest
+     * sh bits with shifted.
+     */
+    get_avr64(avrA, VA, false);
+    tcg_gen_shr_i64(avrA, avrA, sh);
+    tcg_gen_or_i64(avrA, avrA, shifted);
+    set_avr64(VT, avrA, false);
+
+    tcg_temp_free_i64(avrA);
+    tcg_temp_free_i64(avrB);
+    tcg_temp_free_i64(sh);
+    tcg_temp_free_i64(shifted);
+    tcg_temp_free_i64(tmp);
+}
+
+/*
+ * vgbbd VRT,VRB - Vector Gather Bits by Bytes by Doubleword
+ *
+ * All ith bits (i in range 1 to 8) of each byte of doubleword element in source
+ * register are concatenated and placed into ith byte of appropriate doubleword
+ * element in destination register.
+ *
+ * Following solution is done for both doubleword elements of source register
+ * in parallel, in order to reduce the number of instructions needed(that's why
+ * arrays are used):
+ * First, both doubleword elements of source register vB are placed in
+ * appropriate element of array avr. Bits are gathered in 2x8 iterations(2 for
+ * loops). In first iteration bit 1 of byte 1, bit 2 of byte 2,... bit 8 of
+ * byte 8 are in their final spots so avr[i], i={0,1} can be and-ed with
+ * tcg_mask. For every following iteration, both avr[i] and tcg_mask variables
+ * have to be shifted right for 7 and 8 places, respectively, in order to get
+ * bit 1 of byte 2, bit 2 of byte 3.. bit 7 of byte 8 in their final spots so
+ * shifted avr values(saved in tmp) can be and-ed with new value of tcg_mask...
+ * After first 8 iteration(first loop), all the first bits are in their final
+ * places, all second bits but second bit from eight byte are in their places...
+ * only 1 eight bit from eight byte is in it's place). In second loop we do all
+ * operations symmetrically, in order to get other half of bits in their final
+ * spots. Results for first and second doubleword elements are saved in
+ * result[0] and result[1] respectively. In the end those results are saved in
+ * appropriate doubleword element of destination register vD.
+ */
+static void trans_vgbbd(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    int VB = rB(ctx->opcode);
+    TCGv_i64 tmp = tcg_temp_new_i64();
+    uint64_t mask = 0x8040201008040201ULL;
+    int i, j;
+
+    TCGv_i64 result[2];
+    result[0] = tcg_temp_new_i64();
+    result[1] = tcg_temp_new_i64();
+    TCGv_i64 avr[2];
+    avr[0] = tcg_temp_new_i64();
+    avr[1] = tcg_temp_new_i64();
+    TCGv_i64 tcg_mask = tcg_temp_new_i64();
+
+    tcg_gen_movi_i64(tcg_mask, mask);
+    for (j = 0; j < 2; j++) {
+        get_avr64(avr[j], VB, j);
+        tcg_gen_and_i64(result[j], avr[j], tcg_mask);
+    }
+    for (i = 1; i < 8; i++) {
+        tcg_gen_movi_i64(tcg_mask, mask >> (i * 8));
+        for (j = 0; j < 2; j++) {
+            tcg_gen_shri_i64(tmp, avr[j], i * 7);
+            tcg_gen_and_i64(tmp, tmp, tcg_mask);
+            tcg_gen_or_i64(result[j], result[j], tmp);
+        }
+    }
+    for (i = 1; i < 8; i++) {
+        tcg_gen_movi_i64(tcg_mask, mask << (i * 8));
+        for (j = 0; j < 2; j++) {
+            tcg_gen_shli_i64(tmp, avr[j], i * 7);
+            tcg_gen_and_i64(tmp, tmp, tcg_mask);
+            tcg_gen_or_i64(result[j], result[j], tmp);
+        }
+    }
+    for (j = 0; j < 2; j++) {
+        set_avr64(VT, result[j], j);
+    }
+
+    tcg_temp_free_i64(tmp);
+    tcg_temp_free_i64(tcg_mask);
+    tcg_temp_free_i64(result[0]);
+    tcg_temp_free_i64(result[1]);
+    tcg_temp_free_i64(avr[0]);
+    tcg_temp_free_i64(avr[1]);
+}
+
+/*
+ * vclzw VRT,VRB - Vector Count Leading Zeros Word
+ *
+ * Counting the number of leading zero bits of each word element in source
+ * register and placing result in appropriate word element of destination
+ * register.
+ */
+static void trans_vclzw(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    int VB = rB(ctx->opcode);
+    TCGv_i32 tmp = tcg_temp_new_i32();
+    int i;
+
+    /* Perform count for every word element using tcg_gen_clzi_i32. */
+    for (i = 0; i < 4; i++) {
+        tcg_gen_ld_i32(tmp, cpu_env,
+            offsetof(CPUPPCState, vsr[32 + VB].u64[0]) + i * 4);
+        tcg_gen_clzi_i32(tmp, tmp, 32);
+        tcg_gen_st_i32(tmp, cpu_env,
+            offsetof(CPUPPCState, vsr[32 + VT].u64[0]) + i * 4);
+    }
+
+    tcg_temp_free_i32(tmp);
+}
+
+/*
+ * vclzd VRT,VRB - Vector Count Leading Zeros Doubleword
+ *
+ * Counting the number of leading zero bits of each doubleword element in source
+ * register and placing result in appropriate doubleword element of destination
+ * register.
+ */
+static void trans_vclzd(DisasContext *ctx)
+{
+    int VT = rD(ctx->opcode);
+    int VB = rB(ctx->opcode);
+    TCGv_i64 avr = tcg_temp_new_i64();
+
+    /* high doubleword */
+    get_avr64(avr, VB, true);
+    tcg_gen_clzi_i64(avr, avr, 64);
+    set_avr64(VT, avr, true);
+
+    /* low doubleword */
+    get_avr64(avr, VB, false);
+    tcg_gen_clzi_i64(avr, avr, 64);
+    set_avr64(VT, avr, false);
+
+    tcg_temp_free_i64(avr);
+}
+
 GEN_VXFORM(vmuloub, 4, 0);
 GEN_VXFORM(vmulouh, 4, 1);
 GEN_VXFORM(vmulouw, 4, 2);
@@ -627,11 +906,11 @@ GEN_VXFORM(vrld, 2, 3);
 GEN_VXFORM(vrldmi, 2, 3);
 GEN_VXFORM_DUAL(vrld, PPC_NONE, PPC2_ALTIVEC_207, \
                 vrldmi, PPC_NONE, PPC2_ISA300)
-GEN_VXFORM(vsl, 2, 7);
+GEN_VXFORM_TRANS(vsl, 2, 7);
 GEN_VXFORM(vrldnm, 2, 7);
 GEN_VXFORM_DUAL(vsl, PPC_ALTIVEC, PPC_NONE, \
                 vrldnm, PPC_NONE, PPC2_ISA300)
-GEN_VXFORM(vsr, 2, 11);
+GEN_VXFORM_TRANS(vsr, 2, 11);
 GEN_VXFORM_ENV(vpkuhum, 7, 0);
 GEN_VXFORM_ENV(vpkuwum, 7, 1);
 GEN_VXFORM_ENV(vpkudum, 7, 17);
@@ -662,6 +941,8 @@ GEN_VXFORM_DUAL(vmrgow, PPC_NONE, PPC2_ALTIVEC_207,
 GEN_VXFORM_HETRO(vextubrx, 6, 28)
 GEN_VXFORM_HETRO(vextuhrx, 6, 29)
 GEN_VXFORM_HETRO(vextuwrx, 6, 30)
+GEN_VXFORM_TRANS(lvsl, 6, 31)
+GEN_VXFORM_TRANS(lvsr, 6, 32)
 GEN_VXFORM_DUAL(vmrgew, PPC_NONE, PPC2_ALTIVEC_207, \
                 vextuwrx, PPC_NONE, PPC2_ISA300)
 
@@ -1028,8 +1309,8 @@ GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
 
 GEN_VXFORM_NOA(vclzb, 1, 28)
 GEN_VXFORM_NOA(vclzh, 1, 29)
-GEN_VXFORM_NOA(vclzw, 1, 30)
-GEN_VXFORM_NOA(vclzd, 1, 31)
+GEN_VXFORM_TRANS(vclzw, 1, 30)
+GEN_VXFORM_TRANS(vclzd, 1, 31)
 GEN_VXFORM_NOA_2(vnegw, 1, 24, 6)
 GEN_VXFORM_NOA_2(vnegd, 1, 24, 7)
 GEN_VXFORM_NOA_2(vextsb2w, 1, 24, 16)
@@ -1057,7 +1338,7 @@ GEN_VXFORM_DUAL(vclzd, PPC_NONE, PPC2_ALTIVEC_207, \
                 vpopcntd, PPC_NONE, PPC2_ALTIVEC_207)
 GEN_VXFORM(vbpermd, 6, 23);
 GEN_VXFORM(vbpermq, 6, 21);
-GEN_VXFORM_NOA(vgbbd, 6, 20);
+GEN_VXFORM_TRANS(vgbbd, 6, 20);
 GEN_VXFORM(vpmsumb, 4, 16)
 GEN_VXFORM(vpmsumh, 4, 17)
 GEN_VXFORM(vpmsumw, 4, 18)
diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index 66d9a73..4a21ed7 100644
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -8196,6 +8196,18 @@ static void gen_spr_power8_pspb(CPUPPCState *env)
                      KVM_REG_PPC_PSPB, 0);
 }
 
+static void gen_spr_power8_dpdes(CPUPPCState *env)
+{
+#if !defined(CONFIG_USER_ONLY)
+    /* Directed Privileged Door-bell Exception State, used for IPI */
+    spr_register_kvm_hv(env, SPR_DPDES, "DPDES",
+                        SPR_NOACCESS, SPR_NOACCESS,
+                        &spr_read_generic, SPR_NOACCESS,
+                        &spr_read_generic, &spr_write_generic,
+                        KVM_REG_PPC_DPDES, 0x00000000);
+#endif
+}
+
 static void gen_spr_power8_ic(CPUPPCState *env)
 {
 #if !defined(CONFIG_USER_ONLY)
@@ -8627,6 +8639,7 @@ static void init_proc_POWER8(CPUPPCState *env)
     gen_spr_power8_pmu_user(env);
     gen_spr_power8_tm(env);
     gen_spr_power8_pspb(env);
+    gen_spr_power8_dpdes(env);
     gen_spr_vtb(env);
     gen_spr_power8_ic(env);
     gen_spr_power8_book4(env);
@@ -8815,6 +8828,7 @@ static void init_proc_POWER9(CPUPPCState *env)
     gen_spr_power8_pmu_user(env);
     gen_spr_power8_tm(env);
     gen_spr_power8_pspb(env);
+    gen_spr_power8_dpdes(env);
     gen_spr_vtb(env);
     gen_spr_power8_ic(env);
     gen_spr_power8_book4(env);
@@ -9438,14 +9452,13 @@ static void fix_opcode_tables(opc_handler_t **ppc_opcodes)
 static void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp)
 {
     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
-    CPUPPCState *env = &cpu->env;
     opcode_t *opc;
 
-    fill_new_table(env->opcodes, PPC_CPU_OPCODES_LEN);
+    fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN);
     for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) {
         if (((opc->handler.type & pcc->insns_flags) != 0) ||
             ((opc->handler.type2 & pcc->insns_flags2) != 0)) {
-            if (register_insn(env->opcodes, opc) < 0) {
+            if (register_insn(cpu->opcodes, opc) < 0) {
                 error_setg(errp, "ERROR initializing PowerPC instruction "
                            "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2,
                            opc->opc3);
@@ -9453,7 +9466,7 @@ static void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp)
             }
         }
     }
-    fix_opcode_tables(env->opcodes);
+    fix_opcode_tables(cpu->opcodes);
     fflush(stdout);
     fflush(stderr);
 }
@@ -10021,7 +10034,6 @@ static void ppc_cpu_unrealize(DeviceState *dev, Error **errp)
 {
     PowerPCCPU *cpu = POWERPC_CPU(dev);
     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
-    CPUPPCState *env = &cpu->env;
     Error *local_err = NULL;
     opc_handler_t **table, **table_2;
     int i, j, k;
@@ -10033,11 +10045,11 @@ static void ppc_cpu_unrealize(DeviceState *dev, Error **errp)
     }
 
     for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) {
-        if (env->opcodes[i] == &invalid_handler) {
+        if (cpu->opcodes[i] == &invalid_handler) {
             continue;
         }
-        if (is_indirect_opcode(env->opcodes[i])) {
-            table = ind_table(env->opcodes[i]);
+        if (is_indirect_opcode(cpu->opcodes[i])) {
+            table = ind_table(cpu->opcodes[i]);
             for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) {
                 if (table[j] == &invalid_handler) {
                     continue;
@@ -10055,7 +10067,7 @@ static void ppc_cpu_unrealize(DeviceState *dev, Error **errp)
                                              ~PPC_INDIRECT));
                 }
             }
-            g_free((opc_handler_t *)((uintptr_t)env->opcodes[i] &
+            g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] &
                 ~PPC_INDIRECT));
         }
     }
@@ -10469,6 +10481,28 @@ static bool ppc_cpu_is_big_endian(CPUState *cs)
 
     return !msr_le;
 }
+
+static void ppc_cpu_exec_enter(CPUState *cs)
+{
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+
+    if (cpu->vhyp) {
+        PPCVirtualHypervisorClass *vhc =
+            PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
+        vhc->cpu_exec_enter(cpu->vhyp, cpu);
+    }
+}
+
+static void ppc_cpu_exec_exit(CPUState *cs)
+{
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+
+    if (cpu->vhyp) {
+        PPCVirtualHypervisorClass *vhc =
+            PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
+        vhc->cpu_exec_exit(cpu->vhyp, cpu);
+    }
+}
 #endif
 
 static void ppc_cpu_instance_init(Object *obj)
@@ -10622,6 +10656,11 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
     cc->tcg_initialize = ppc_translate_init;
     cc->tlb_fill = ppc_cpu_tlb_fill;
 #endif
+#ifndef CONFIG_USER_ONLY
+    cc->cpu_exec_enter = ppc_cpu_exec_enter;
+    cc->cpu_exec_exit = ppc_cpu_exec_exit;
+#endif
+
     cc->disas_set_info = ppc_disas_set_info;
 
     dc->fw_name = "PowerPC,UNKNOWN";
diff --git a/vl.c b/vl.c
index edd5390..8e5af75 100644
--- a/vl.c
+++ b/vl.c
@@ -1557,6 +1557,20 @@ void qemu_system_reset(ShutdownCause reason)
     cpu_synchronize_all_post_reset();
 }
 
+/*
+ * Wake the VM after suspend.
+ */
+static void qemu_system_wakeup(void)
+{
+    MachineClass *mc;
+
+    mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
+
+    if (mc && mc->wakeup) {
+        mc->wakeup(current_machine);
+    }
+}
+
 void qemu_system_guest_panicked(GuestPanicInformation *info)
 {
     qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
@@ -1765,7 +1779,7 @@ static bool main_loop_should_exit(void)
     }
     if (qemu_wakeup_requested()) {
         pause_all_vcpus();
-        qemu_system_reset(SHUTDOWN_CAUSE_NONE);
+        qemu_system_wakeup();
         notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
         wakeup_reason = QEMU_WAKEUP_REASON_NONE;
         resume_all_vcpus();