mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 12:07:31 +00:00
c74e71908d
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 <imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200219160953.13771-40-imammedo@redhat.com>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* Empty machine
|
|
*
|
|
* Copyright IBM, Corp. 2012
|
|
*
|
|
* Authors:
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qemu/error-report.h"
|
|
#include "hw/boards.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "exec/address-spaces.h"
|
|
#include "hw/core/cpu.h"
|
|
|
|
static void machine_none_init(MachineState *mch)
|
|
{
|
|
CPUState *cpu = NULL;
|
|
|
|
/* Initialize CPU (if user asked for it) */
|
|
if (mch->cpu_type) {
|
|
cpu = cpu_create(mch->cpu_type);
|
|
if (!cpu) {
|
|
error_report("Unable to initialize CPU");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* RAM at address zero */
|
|
if (mch->ram) {
|
|
memory_region_add_subregion(get_system_memory(), 0, mch->ram);
|
|
}
|
|
|
|
if (mch->kernel_filename) {
|
|
error_report("The -kernel parameter is not supported "
|
|
"(use the generic 'loader' device instead).");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void machine_none_machine_init(MachineClass *mc)
|
|
{
|
|
mc->desc = "empty machine";
|
|
mc->init = machine_none_init;
|
|
mc->max_cpus = 1;
|
|
mc->default_ram_size = 0;
|
|
mc->default_ram_id = "ram";
|
|
}
|
|
|
|
DEFINE_MACHINE("none", machine_none_machine_init)
|