[v6] refactor main RAM allocation to use hostmem backend

[PATCH v6 47/79] m68k/q800: use memdev for RAM

Igor Mammedov posted 79 patches 5 years, 11 months ago

Diff against v1 v2 v3 v3 v4 v5
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[PATCH v6 47/79] m68k/q800: use memdev for RAM

Posted by Igor Mammedov 5 years, 11 months ago

Switch to using generic main RAM allocation. To do this set
MachineClass::default_ram_id to m68k_mac.ram and use
MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/m68k/q800.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
index 1e32363688..a4c4bc14cb 100644
--- a/hw/m68k/q800.c
+++ b/hw/m68k/q800.c
@@ -160,7 +160,6 @@ static void q800_init(MachineState *machine)
     ram_addr_t initrd_base;
     int32_t initrd_size;
     MemoryRegion *rom;
-    MemoryRegion *ram;
     MemoryRegion *io;
     const int io_slice_nb = (IO_SIZE / IO_SLICE) - 1;
     int i;
@@ -194,9 +193,7 @@ static void q800_init(MachineState *machine)
     qemu_register_reset(main_cpu_reset, cpu);
 
     /* RAM */
-    ram = g_malloc(sizeof(*ram));
-    memory_region_init_ram(ram, NULL, "m68k_mac.ram", ram_size, &error_abort);
-    memory_region_add_subregion(get_system_memory(), 0, ram);
+    memory_region_add_subregion(get_system_memory(), 0, machine->ram);
 
     /*
      * Memory from IO_BASE to IO_BASE + IO_SLICE is repeated
@@ -443,6 +440,7 @@ static void q800_machine_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = 1;
     mc->is_default = 0;
     mc->block_default_type = IF_SCSI;
+    mc->default_ram_id = "m68k_mac.ram";
 }
 
 static const TypeInfo q800_machine_typeinfo = {
-- 
2.18.1