From 03fd0c5fe98f5617076527e9783d030294b64d6d Mon Sep 17 00:00:00 2001 From: Mingwang Li Date: Sat, 16 Oct 2021 11:09:08 +0800 Subject: [PATCH] hw/riscv: virt: Use machine->ram as the system memory If default main_mem is used to be registered as the system memory, other memory cannot be initialized. Therefore, the system memory should be initialized to the machine->ram, which consists of the default main_mem and other possible memory required by applications, such as shared hugepage memory in DPDK. Also, the mc->defaul_ram_id should be set to the default main_mem, such as "riscv_virt_board.ram" for the virt machine. Signed-off-by: Mingwang Li Signed-off-by: Yifei Jiang Reviewed-by: Alistair Francis Message-id: 20211016030908.40480-1-limingwang@huawei.com Signed-off-by: Alistair Francis --- hw/riscv/virt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index ec0cb69b8c..b3b431c847 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -771,7 +771,6 @@ static void virt_machine_init(MachineState *machine) const MemMapEntry *memmap = virt_memmap; RISCVVirtState *s = RISCV_VIRT_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); MemoryRegion *mask_rom = g_new(MemoryRegion, 1); char *plic_hart_config, *soc_name; target_ulong start_addr = memmap[VIRT_DRAM].base; @@ -890,10 +889,8 @@ static void virt_machine_init(MachineState *machine) } /* register system main memory (actual RAM) */ - memory_region_init_ram(main_mem, NULL, "riscv_virt_board.ram", - machine->ram_size, &error_fatal); memory_region_add_subregion(system_memory, memmap[VIRT_DRAM].base, - main_mem); + machine->ram); /* create device tree */ create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, @@ -1032,6 +1029,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; mc->numa_mem_supported = true; + mc->default_ram_id = "riscv_virt_board.ram"; machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); -- 2.11.4.GIT