[RFC PATCH 2/4] hw/riscv: migrate fdt field to generic MachineState

["Alex Bennée" <alex.bennee@linaro.org>]

This is a mechanical change to make the fdt available through
MachineState.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 include/hw/riscv/virt.h |  1 -
 hw/riscv/virt.c         | 18 +++++++++---------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h
index b4ed9a32eb..6505ae8d23 100644
--- a/include/hw/riscv/virt.h
+++ b/include/hw/riscv/virt.h
@@ -41,7 +41,6 @@ struct RISCVVirtState {
     DeviceState *plic[VIRT_SOCKETS_MAX];
     PFlashCFI01 *flash[2];
 
-    void *fdt;
     int fdt_size;
 };
 
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 41bd2f38ba..17c0706156 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -194,7 +194,7 @@ static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
     hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2;
     hwaddr flashbase = virt_memmap[VIRT_FLASH].base;
 
-    fdt = s->fdt = create_device_tree(&s->fdt_size);
+    fdt = mc->fdt = create_device_tree(&s->fdt_size);
     if (!fdt) {
         error_report("create_device_tree() failed");
         exit(1);
@@ -434,12 +434,12 @@ static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
     g_free(name);
 
     name = g_strdup_printf("/soc/flash@%" PRIx64, flashbase);
-    qemu_fdt_add_subnode(s->fdt, name);
-    qemu_fdt_setprop_string(s->fdt, name, "compatible", "cfi-flash");
-    qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+    qemu_fdt_add_subnode(mc->fdt, name);
+    qemu_fdt_setprop_string(mc->fdt, name, "compatible", "cfi-flash");
+    qemu_fdt_setprop_sized_cells(mc->fdt, name, "reg",
                                  2, flashbase, 2, flashsize,
                                  2, flashbase + flashsize, 2, flashsize);
-    qemu_fdt_setprop_cell(s->fdt, name, "bank-width", 4);
+    qemu_fdt_setprop_cell(mc->fdt, name, "bank-width", 4);
     g_free(name);
 }
 
@@ -613,9 +613,9 @@ static void virt_machine_init(MachineState *machine)
             hwaddr end = riscv_load_initrd(machine->initrd_filename,
                                            machine->ram_size, kernel_entry,
                                            &start);
-            qemu_fdt_setprop_cell(s->fdt, "/chosen",
+            qemu_fdt_setprop_cell(machine->fdt, "/chosen",
                                   "linux,initrd-start", start);
-            qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end",
+            qemu_fdt_setprop_cell(machine->fdt, "/chosen", "linux,initrd-end",
                                   end);
         }
     } else {
@@ -636,11 +636,11 @@ static void virt_machine_init(MachineState *machine)
 
     /* Compute the fdt load address in dram */
     fdt_load_addr = riscv_load_fdt(memmap[VIRT_DRAM].base,
-                                   machine->ram_size, s->fdt);
+                                   machine->ram_size, machine->fdt);
     /* load the reset vector */
     riscv_setup_rom_reset_vec(start_addr, virt_memmap[VIRT_MROM].base,
                               virt_memmap[VIRT_MROM].size, kernel_entry,
-                              fdt_load_addr, s->fdt);
+                              fdt_load_addr, machine->fdt);
 
     /* SiFive Test MMIO device */
     sifive_test_create(memmap[VIRT_TEST].base);
-- 
2.20.1