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hw/hppa: Add 715 machine type including NCR710 SCSI

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Add a new emulation for a 715/64 machine.
This machines has no PCI bus, and has the majority of the devices (SCSI,
network, serial ports, ...) provided by a LASI multi-function I/O chip.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller
2025-10-27 22:13:22 +01:00
parent bcefa910e8
commit 95a3f92181
1 changed files with 105 additions and 9 deletions
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hw/hppa/machine.c
+105 -9
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@@ -30,6 +30,8 @@
#include "hw/pci-host/astro.h"
#include "hw/pci-host/dino.h"
#include "hw/misc/lasi.h"
#include "hw/scsi/ncr53c710.h"
#include "hw/scsi/lasi_ncr710.h"
#include "hppa_hardware.h"
#include "qemu/units.h"
#include "qapi/error.h"
@@ -346,7 +348,7 @@ static TranslateFn *machine_HP_common_init_cpus(MachineState *machine)
}
/*
* Last creation step: Add SCSI discs, NICs, graphics & load firmware
* Last creation step: Add NICs, graphics & load firmware
*/
static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus,
TranslateFn *translate)
@@ -361,12 +363,6 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus,
MemoryRegion *rom_region;
SysBusDevice *s;
/* SCSI disk setup. */
if (drive_get_max_bus(IF_SCSI) >= 0) {
dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
lsi53c8xx_handle_legacy_cmdline(dev);
}
/* Graphics setup. */
if (machine->enable_graphics && vga_interface_type != VGA_NONE) {
dev = qdev_new("artist");
@@ -537,6 +533,71 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus,
cpu[0]->env.kernel_entry = kernel_entry;
}
/*
* Create HP 715/64 workstation
*/
static void machine_HP_715_init(MachineState *machine)
{
DeviceState *dev;
MemoryRegion *addr_space = get_system_memory();
TranslateFn *translate;
ISABus *isa_bus;
/* Create CPUs and RAM. */
translate = machine_HP_common_init_cpus(machine);
if (hppa_is_pa20(&cpu[0]->env)) {
error_report("The HP 715/64 workstation requires a 32-bit "
"CPU. Use '-machine 715' instead.");
exit(1);
}
/* Create ISA bus, needed for PS/2 kbd/mouse port emulation */
isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA));
assert(isa_bus);
/* Init Lasi chip */
lasi_dev = DEVICE(lasi_init());
memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA_715),
sysbus_mmio_get_region(
SYS_BUS_DEVICE(lasi_dev), 0));
/* Serial ports: Lasi use a 7.272727 MHz clock. */
serial_mm_init(addr_space, translate(NULL, LASI_HPA_715 + LASI_UART + 0x800), 0,
qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16,
serial_hd(0), DEVICE_BIG_ENDIAN);
/* Parallel port */
parallel_mm_init(addr_space, translate(NULL, LASI_HPA_715 + LASI_LPT + 0x800), 0,
qdev_get_gpio_in(lasi_dev, LASI_IRQ_LPT_HPA),
parallel_hds[0]);
/* PS/2 Keyboard/Mouse */
dev = qdev_new(TYPE_LASIPS2);
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
qdev_get_gpio_in(lasi_dev, LASI_IRQ_PS2KBD_HPA));
memory_region_add_subregion(addr_space,
translate(NULL, LASI_HPA_715 + LASI_PS2),
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
0));
memory_region_add_subregion(addr_space,
translate(NULL, LASI_HPA_715 + LASI_PS2 + 0x100),
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
1));
/* SCSI disk setup. */
if (drive_get_max_bus(IF_SCSI) >= 0) {
dev = lasi_ncr710_init(addr_space,
translate(NULL, LASI_HPA_715 + 0x6000),
qdev_get_gpio_in(lasi_dev, LASI_IRQ_SCSI_HPA));
assert(dev);
lasi_ncr710_handle_legacy_cmdline(dev);
}
/* Add NICs, graphics & load firmware */
machine_HP_common_init_tail(machine, NULL, translate);
}
/*
* Create HP B160L workstation
*/
@@ -603,7 +664,13 @@ static void machine_HP_B160L_init(MachineState *machine)
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
1));
/* Add SCSI discs, NICs, graphics & load firmware */
/* SCSI disk setup. */
if (drive_get_max_bus(IF_SCSI) >= 0) {
dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
lsi53c8xx_handle_legacy_cmdline(dev);
}
/* Add NICs, graphics & load firmware */
machine_HP_common_init_tail(machine, pci_bus, translate);
}
@@ -646,7 +713,13 @@ static void machine_HP_C3700_init(MachineState *machine)
pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci"));
assert(pci_bus);
/* Add SCSI discs, NICs, graphics & load firmware */
/* SCSI disk setup. */
if (drive_get_max_bus(IF_SCSI) >= 0) {
DeviceState *dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
lsi53c8xx_handle_legacy_cmdline(dev);
}
/* Add NICs, graphics & load firmware */
machine_HP_common_init_tail(machine, pci_bus, translate);
}
@@ -743,6 +816,25 @@ static void HP_C3700_machine_init_class_init(ObjectClass *oc, const void *data)
mc->default_ram_size = 1024 * MiB;
}
static void HP_715_machine_init_class_init(ObjectClass *oc, const void *data)
{
static const char * const valid_cpu_types[] = {
TYPE_HPPA_CPU,
NULL
};
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "HP 715/64 workstation";
mc->default_cpu_type = TYPE_HPPA_CPU;
mc->valid_cpu_types = valid_cpu_types;
mc->init = machine_HP_715_init;
/* can only support up to max. 8 CPUs due inventory major numbers */
mc->max_cpus = MIN_CONST(HPPA_MAX_CPUS, 8);
mc->default_ram_size = 256 * MiB;
mc->default_nic = NULL;
}
static const TypeInfo hppa_machine_types[] = {
{
.name = TYPE_HPPA_COMMON_MACHINE,
@@ -762,6 +854,10 @@ static const TypeInfo hppa_machine_types[] = {
.name = MACHINE_TYPE_NAME("C3700"),
.parent = TYPE_HPPA_COMMON_MACHINE,
.class_init = HP_C3700_machine_init_class_init,
}, {
.name = MACHINE_TYPE_NAME("715"),
.parent = TYPE_HPPA_COMMON_MACHINE,
.class_init = HP_715_machine_init_class_init,
},
};