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[PATCH v2 54/86] mips:mips_fulong2e: use memdev for RAM


From: Igor Mammedov
Subject: [PATCH v2 54/86] mips:mips_fulong2e: use memdev for RAM
Date: Wed, 15 Jan 2020 16:07:09 +0100

memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
  MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <address@hidden>
---
CC: address@hidden
CC: address@hidden
CC: address@hidden
CC: address@hidden
---
 hw/mips/mips_fulong2e.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index 7e7dcd6..5dc1166 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -294,7 +294,6 @@ static void mips_fulong2e_init(MachineState *machine)
     const char *initrd_filename = machine->initrd_filename;
     char *filename;
     MemoryRegion *address_space_mem = get_system_memory();
-    MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *bios = g_new(MemoryRegion, 1);
     long bios_size;
     uint8_t *spd_data;
@@ -320,13 +319,11 @@ static void mips_fulong2e_init(MachineState *machine)
     }
 
     /* allocate RAM */
-    memory_region_allocate_system_memory(ram, NULL, "fulong2e.ram",
-                                         machine->ram_size);
     memory_region_init_ram(bios, NULL, "fulong2e.bios", BIOS_SIZE,
                            &error_fatal);
     memory_region_set_readonly(bios, true);
 
-    memory_region_add_subregion(address_space_mem, 0, ram);
+    memory_region_add_subregion(address_space_mem, 0, machine->ram);
     memory_region_add_subregion(address_space_mem, 0x1fc00000LL, bios);
 
     /*
@@ -402,6 +399,7 @@ static void mips_fulong2e_machine_init(MachineClass *mc)
     mc->block_default_type = IF_IDE;
     mc->default_cpu_type = MIPS_CPU_TYPE_NAME("Loongson-2E");
     mc->default_ram_size = 256 * MiB;
+    mc->default_ram_id = "fulong2e.ram";
 }
 
 DEFINE_MACHINE("fulong2e", mips_fulong2e_machine_init)
-- 
2.7.4




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