From f9fddaf7ce26acc48fc899673affe957103862a5 Mon Sep 17 00:00:00 2001 From: Bernhard Beschow Date: Mon, 13 Feb 2023 17:20:01 +0100 Subject: [PATCH] hw/i386/pc: Initialize ram_memory variable directly MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Going through pc_memory_init() seems quite complicated for a simple assignment. Signed-off-by: Bernhard Beschow Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20230213162004.2797-7-shentey@gmail.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/pc.c | 2 -- hw/i386/pc_piix.c | 4 ++-- hw/i386/pc_q35.c | 6 ++---- include/hw/i386/pc.h | 1 - 4 files changed, 4 insertions(+), 9 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 7802dc21d9..03da571bda 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -952,7 +952,6 @@ static hwaddr pc_max_used_gpa(PCMachineState *pcms, uint64_t pci_hole64_size) void pc_memory_init(PCMachineState *pcms, MemoryRegion *system_memory, MemoryRegion *rom_memory, - MemoryRegion **ram_memory, uint64_t pci_hole64_size) { int linux_boot, i; @@ -1010,7 +1009,6 @@ void pc_memory_init(PCMachineState *pcms, * Split single memory region and use aliases to address portions of it, * done for backwards compatibility with older qemus. */ - *ram_memory = machine->ram; ram_below_4g = g_malloc(sizeof(*ram_below_4g)); memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->ram, 0, x86ms->below_4g_mem_size); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index ac7b1a9194..1acf02e711 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -144,6 +144,7 @@ static void pc_init1(MachineState *machine, if (xen_enabled()) { xen_hvm_init_pc(pcms, &ram_memory); } else { + ram_memory = machine->ram; if (!pcms->max_ram_below_4g) { pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ } @@ -206,8 +207,7 @@ static void pc_init1(MachineState *machine, /* allocate ram and load rom/bios */ if (!xen_enabled()) { - pc_memory_init(pcms, system_memory, - rom_memory, &ram_memory, hole64_size); + pc_memory_init(pcms, system_memory, rom_memory, hole64_size); } else { pc_system_flash_cleanup_unused(pcms); if (machine->kernel_filename != NULL) { diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 1490f87adb..c1535af739 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -130,7 +130,6 @@ static void pc_q35_init(MachineState *machine) MemoryRegion *system_io = get_system_io(); MemoryRegion *pci_memory; MemoryRegion *rom_memory; - MemoryRegion *ram_memory; GSIState *gsi_state; ISABus *isa_bus; int i; @@ -216,12 +215,11 @@ static void pc_q35_init(MachineState *machine) } /* allocate ram and load rom/bios */ - pc_memory_init(pcms, system_memory, rom_memory, &ram_memory, - pci_hole64_size); + pc_memory_init(pcms, system_memory, rom_memory, pci_hole64_size); object_property_add_child(OBJECT(machine), "q35", OBJECT(q35_host)); object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM, - OBJECT(ram_memory), NULL); + OBJECT(machine->ram), NULL); object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_PCI_MEM, OBJECT(pci_memory), NULL); object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_SYSTEM_MEM, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 84935fc958..4e638564ca 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -162,7 +162,6 @@ void xen_load_linux(PCMachineState *pcms); void pc_memory_init(PCMachineState *pcms, MemoryRegion *system_memory, MemoryRegion *rom_memory, - MemoryRegion **ram_memory, uint64_t pci_hole64_size); uint64_t pc_pci_hole64_start(void); DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus); -- 2.11.0