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ppc/pegasos2: Introduce Pegasos2MachineState structure 

Add own machine state structure which will be used to store state
needed for firmware emulation.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <7f6d5fbf4f70c64dba001483174a2921dd616ecd.1624811233.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
BALATON Zoltan 2021-06-27 18:27:13 +02:00 committed by David Gibson
parent caf590ddc9
commit a8eda5ed3d
1 changed files with 37 additions and 13 deletions
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50
hw/ppc/pegasos2.c
View File

@ -1,7 +1,7 @@
/*
* QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator
*
* Copyright (c) 2018-2020 BALATON Zoltan
* Copyright (c) 2018-2021 BALATON Zoltan
*
* This work is licensed under the GNU GPL license version 2 or later.
*
@ -41,6 +41,15 @@
#define BUS_FREQ_HZ 133333333
#define TYPE_PEGASOS2_MACHINE MACHINE_TYPE_NAME("pegasos2")
OBJECT_DECLARE_TYPE(Pegasos2MachineState, MachineClass, PEGASOS2_MACHINE)
struct Pegasos2MachineState {
MachineState parent_obj;
PowerPCCPU *cpu;
DeviceState *mv;
};
static void pegasos2_cpu_reset(void *opaque)
{
PowerPCCPU *cpu = opaque;
@ -51,9 +60,9 @@ static void pegasos2_cpu_reset(void *opaque)
static void pegasos2_init(MachineState *machine)
{
PowerPCCPU *cpu = NULL;
Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine);
CPUPPCState *env;
MemoryRegion *rom = g_new(MemoryRegion, 1);
DeviceState *mv;
PCIBus *pci_bus;
PCIDevice *dev;
I2CBus *i2c_bus;
@ -63,15 +72,16 @@ static void pegasos2_init(MachineState *machine)
uint8_t *spd_data;
/* init CPU */
cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
if (PPC_INPUT(&cpu->env) != PPC_FLAGS_INPUT_6xx) {
pm->cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
env = &pm->cpu->env;
if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
error_report("Incompatible CPU, only 6xx bus supported");
exit(1);
}
/* Set time-base frequency */
cpu_ppc_tb_init(&cpu->env, BUS_FREQ_HZ / 4);
qemu_register_reset(pegasos2_cpu_reset, cpu);
cpu_ppc_tb_init(env, BUS_FREQ_HZ / 4);
qemu_register_reset(pegasos2_cpu_reset, pm->cpu);
/* RAM */
memory_region_add_subregion(get_system_memory(), 0, machine->ram);
@ -96,16 +106,16 @@ static void pegasos2_init(MachineState *machine)
g_free(filename);
/* Marvell Discovery II system controller */
mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1,
((qemu_irq *)cpu->env.irq_inputs)[PPC6xx_INPUT_INT]));
pci_bus = mv64361_get_pci_bus(mv, 1);
pm->mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1,
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]));
pci_bus = mv64361_get_pci_bus(pm->mv, 1);
/* VIA VT8231 South Bridge (multifunction PCI device) */
/* VT8231 function 0: PCI-to-ISA Bridge */
dev = pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0), true,
TYPE_VT8231_ISA);
qdev_connect_gpio_out(DEVICE(dev), 0,
qdev_get_gpio_in_named(mv, "gpp", 31));
qdev_get_gpio_in_named(pm->mv, "gpp", 31));
/* VT8231 function 1: IDE Controller */
dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 1), "via-ide");
@ -129,8 +139,10 @@ static void pegasos2_init(MachineState *machine)
pci_vga_init(pci_bus);
}
static void pegasos2_machine(MachineClass *mc)
static void pegasos2_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "Genesi/bPlan Pegasos II";
mc->init = pegasos2_init;
mc->block_default_type = IF_IDE;
@ -141,4 +153,16 @@ static void pegasos2_machine(MachineClass *mc)
mc->default_ram_size = 512 * MiB;
}
DEFINE_MACHINE("pegasos2", pegasos2_machine)
static const TypeInfo pegasos2_machine_info = {
.name = TYPE_PEGASOS2_MACHINE,
.parent = TYPE_MACHINE,
.class_init = pegasos2_machine_class_init,
.instance_size = sizeof(Pegasos2MachineState),
};
static void pegasos2_machine_register_types(void)
{
type_register_static(&pegasos2_machine_info);
}
type_init(pegasos2_machine_register_types)