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-rw-r--r--hw/mem/nvdimm.c9
-rw-r--r--hw/sparc/sun4m.c12
-rw-r--r--hw/sparc64/sun4u.c4
3 files changed, 21 insertions, 4 deletions
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 021d1c3997..1c6674c4ed 100644
--- a/hw/mem/nvdimm.c
+++ b/hw/mem/nvdimm.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/pmem.h"
 #include "qapi/error.h"
 #include "qapi/visitor.h"
 #include "hw/mem/nvdimm.h"
@@ -164,11 +165,17 @@ static void nvdimm_write_label_data(NVDIMMDevice *nvdimm, const void *buf,
 {
     MemoryRegion *mr;
     PCDIMMDevice *dimm = PC_DIMM(nvdimm);
+    bool is_pmem = object_property_get_bool(OBJECT(dimm->hostmem),
+                                            "pmem", NULL);
     uint64_t backend_offset;
 
     nvdimm_validate_rw_label_data(nvdimm, size, offset);
 
-    memcpy(nvdimm->label_data + offset, buf, size);
+    if (!is_pmem) {
+        memcpy(nvdimm->label_data + offset, buf, size);
+    } else {
+        pmem_memcpy_persist(nvdimm->label_data + offset, buf, size);
+    }
 
     mr = host_memory_backend_get_memory(dimm->hostmem);
     backend_offset = memory_region_size(mr) - nvdimm->label_size + offset;
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index d981de1841..3c29b68e67 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -1035,7 +1035,17 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
         ecc_init(hwdef->ecc_base, slavio_irq[28],
                  hwdef->ecc_version);
 
-    fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
+    dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
+    fw_cfg = FW_CFG(dev);
+    qdev_prop_set_uint32(dev, "data_width", 1);
+    qdev_prop_set_bit(dev, "dma_enabled", false);
+    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
+                              OBJECT(fw_cfg), NULL);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_mmio_map(s, 0, CFG_ADDR);
+    sysbus_mmio_map(s, 1, CFG_ADDR + 2);
+
     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 74b748497e..d16843b30e 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -139,7 +139,7 @@ static uint64_t sun4u_load_kernel(const char *kernel_filename,
     unsigned int i;
     long kernel_size;
     uint8_t *ptr;
-    uint64_t kernel_top;
+    uint64_t kernel_top = 0;
 
     linux_boot = (kernel_filename != NULL);
 
@@ -172,7 +172,7 @@ static uint64_t sun4u_load_kernel(const char *kernel_filename,
         }
         /* load initrd above kernel */
         *initrd_size = 0;
-        if (initrd_filename) {
+        if (initrd_filename && kernel_top) {
             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
 
             *initrd_size = load_image_targphys(initrd_filename,