@@ -87,7 +87,7 @@ static const MemoryRegionOps hppa_pci_ignore_ops = {
},
};
-static ISABus *hppa_isa_bus(void)
+static ISABus *hppa_isa_bus(hwaddr addr)
{
ISABus *isa_bus;
qemu_irq *isa_irqs;
@@ -96,8 +96,7 @@ static ISABus *hppa_isa_bus(void)
isa_region = g_new(MemoryRegion, 1);
memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops,
NULL, "isa-io", 0x800);
- memory_region_add_subregion(get_system_memory(), IDE_HPA,
- isa_region);
+ memory_region_add_subregion(get_system_memory(), addr, isa_region);
isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region,
&error_abort);
@@ -163,13 +162,24 @@ static const MemoryRegionOps hppa_io_helper_ops = {
},
};
+typedef uint64_t TranslateFn(void *opaque, uint64_t addr);
-static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t addr)
+static uint64_t linux_kernel_virt_to_phys(void *opaque, uint64_t addr)
{
addr &= (0x10000000 - 1);
return addr;
}
+static uint64_t translate_pa10(void *dummy, uint64_t addr)
+{
+ return (uint32_t)addr;
+}
+
+static uint64_t translate_pa20(void *dummy, uint64_t addr)
+{
+ return hppa_abs_to_phys_pa2_w0(addr);
+}
+
static HPPACPU *cpu[HPPA_MAX_CPUS];
static uint64_t firmware_entry;
@@ -179,7 +189,8 @@ static void fw_cfg_boot_set(void *opaque, const char *boot_device,
fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
}
-static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus)
+static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus,
+ hwaddr addr)
{
FWCfgState *fw_cfg;
uint64_t val;
@@ -188,7 +199,7 @@ static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus)
int btlb_entries = HPPA_BTLB_ENTRIES(&cpu[0]->env);
int len;
- fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4);
+ fw_cfg = fw_cfg_init_mem(addr, addr + 4);
fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus);
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ms->ram_size);
@@ -258,32 +269,45 @@ static DinoState *dino_init(MemoryRegion *addr_space)
/*
* Step 1: Create CPUs and Memory
*/
-static void machine_HP_common_init_cpus(MachineState *machine)
+static TranslateFn *machine_HP_common_init_cpus(MachineState *machine)
{
MemoryRegion *addr_space = get_system_memory();
- MemoryRegion *cpu_region;
- long i;
unsigned int smp_cpus = machine->smp.cpus;
- char *name;
+ TranslateFn *translate;
+ MemoryRegion *cpu_region;
/* Create CPUs. */
- for (i = 0; i < smp_cpus; i++) {
- name = g_strdup_printf("cpu%ld-io-eir", i);
+ for (unsigned int i = 0; i < smp_cpus; i++) {
cpu[i] = HPPA_CPU(cpu_create(machine->cpu_type));
+ }
+
+ /*
+ * For now, treat address layout as if PSW_W is clear.
+ * TODO: create a proper hppa64 board model and load elf64 firmware.
+ */
+ if (hppa_is_pa20(&cpu[0]->env)) {
+ translate = translate_pa20;
+ } else {
+ translate = translate_pa10;
+ }
+
+ for (unsigned int i = 0; i < smp_cpus; i++) {
+ g_autofree char *name = g_strdup_printf("cpu%u-io-eir", i);
cpu_region = g_new(MemoryRegion, 1);
memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops,
cpu[i], name, 4);
- memory_region_add_subregion(addr_space, CPU_HPA + i * 0x1000,
+ memory_region_add_subregion(addr_space,
+ translate(NULL, CPU_HPA + i * 0x1000),
cpu_region);
- g_free(name);
}
/* RTC and DebugOutputPort on CPU #0 */
cpu_region = g_new(MemoryRegion, 1);
memory_region_init_io(cpu_region, OBJECT(cpu[0]), &hppa_io_helper_ops,
cpu[0], "cpu0-io-rtc", 2 * sizeof(uint64_t));
- memory_region_add_subregion(addr_space, CPU_HPA + 16, cpu_region);
+ memory_region_add_subregion(addr_space, translate(NULL, CPU_HPA + 16),
+ cpu_region);
/* Main memory region. */
if (machine->ram_size > 3 * GiB) {
@@ -291,12 +315,15 @@ static void machine_HP_common_init_cpus(MachineState *machine)
exit(EXIT_FAILURE);
}
memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1);
+
+ return translate;
}
/*
* Last creation step: Add SCSI discs, NICs, graphics & load firmware
*/
-static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
+static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus,
+ TranslateFn *translate)
{
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
@@ -324,13 +351,13 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
dev = qdev_new("artist");
s = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(s, &error_fatal);
- sysbus_mmio_map(s, 0, LASI_GFX_HPA);
- sysbus_mmio_map(s, 1, ARTIST_FB_ADDR);
+ sysbus_mmio_map(s, 0, translate(NULL, LASI_GFX_HPA));
+ sysbus_mmio_map(s, 1, translate(NULL, ARTIST_FB_ADDR));
}
/* Network setup. */
if (enable_lasi_lan()) {
- lasi_82596_init(addr_space, LASI_LAN_HPA,
+ lasi_82596_init(addr_space, translate(NULL, LASI_LAN_HPA),
qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA));
}
@@ -374,7 +401,7 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier);
/* fw_cfg configuration interface */
- create_fw_cfg(machine, pci_bus);
+ create_fw_cfg(machine, pci_bus, translate(NULL, FW_CFG_IO_BASE));
/* Load firmware. Given that this is not "real" firmware,
but one explicitly written for the emulation, we might as
@@ -386,15 +413,10 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
exit(1);
}
- size = load_elf(firmware_filename, NULL, NULL, NULL,
+ size = load_elf(firmware_filename, NULL, translate, NULL,
&firmware_entry, &firmware_low, &firmware_high, NULL,
true, EM_PARISC, 0, 0);
- /* Unfortunately, load_elf sign-extends reading elf32. */
- firmware_entry = (uint32_t)firmware_entry;
- firmware_low = (uint32_t)firmware_low;
- firmware_high = (uint32_t)firmware_high;
-
if (size < 0) {
error_report("could not load firmware '%s'", firmware_filename);
exit(1);
@@ -402,7 +424,8 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64
"-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n",
firmware_low, firmware_high, firmware_entry);
- if (firmware_low < FIRMWARE_START || firmware_high >= FIRMWARE_END) {
+ if (firmware_low < translate(NULL, FIRMWARE_START) ||
+ firmware_high >= translate(NULL, FIRMWARE_END)) {
error_report("Firmware overlaps with memory or IO space");
exit(1);
}
@@ -411,18 +434,16 @@ static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus)
rom_region = g_new(MemoryRegion, 1);
memory_region_init_ram(rom_region, NULL, "firmware",
(FIRMWARE_END - FIRMWARE_START), &error_fatal);
- memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region);
+ memory_region_add_subregion(addr_space,
+ translate(NULL, FIRMWARE_START), rom_region);
/* Load kernel */
if (kernel_filename) {
- size = load_elf(kernel_filename, NULL, &cpu_hppa_to_phys,
+ size = load_elf(kernel_filename, NULL, linux_kernel_virt_to_phys,
NULL, &kernel_entry, &kernel_low, &kernel_high, NULL,
true, EM_PARISC, 0, 0);
- /* Unfortunately, load_elf sign-extends reading elf32. */
- kernel_entry = (uint32_t) cpu_hppa_to_phys(NULL, kernel_entry);
- kernel_low = (uint32_t)kernel_low;
- kernel_high = (uint32_t)kernel_high;
+ kernel_entry = linux_kernel_virt_to_phys(NULL, kernel_entry);
if (size < 0) {
error_report("could not load kernel '%s'", kernel_filename);
@@ -500,41 +521,42 @@ static void machine_HP_B160L_init(MachineState *machine)
{
DeviceState *dev, *dino_dev;
MemoryRegion *addr_space = get_system_memory();
+ TranslateFn *translate;
ISABus *isa_bus;
PCIBus *pci_bus;
/* Create CPUs and RAM. */
- machine_HP_common_init_cpus(machine);
+ translate = machine_HP_common_init_cpus(machine);
/* Init Lasi chip */
lasi_dev = DEVICE(lasi_init());
- memory_region_add_subregion(addr_space, LASI_HPA,
+ memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA),
sysbus_mmio_get_region(
SYS_BUS_DEVICE(lasi_dev), 0));
/* Init Dino (PCI host bus chip). */
dino_dev = DEVICE(dino_init(addr_space));
- memory_region_add_subregion(addr_space, DINO_HPA,
+ memory_region_add_subregion(addr_space, translate(NULL, DINO_HPA),
sysbus_mmio_get_region(
SYS_BUS_DEVICE(dino_dev), 0));
pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci"));
assert(pci_bus);
/* Create ISA bus, needed for PS/2 kbd/mouse port emulation */
- isa_bus = hppa_isa_bus();
+ isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA));
assert(isa_bus);
/* Serial ports: Lasi and Dino use a 7.272727 MHz clock. */
- serial_mm_init(addr_space, LASI_UART_HPA + 0x800, 0,
+ serial_mm_init(addr_space, translate(NULL, LASI_UART_HPA + 0x800), 0,
qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16,
serial_hd(0), DEVICE_BIG_ENDIAN);
- serial_mm_init(addr_space, DINO_UART_HPA + 0x800, 0,
+ serial_mm_init(addr_space, translate(NULL, DINO_UART_HPA + 0x800), 0,
qdev_get_gpio_in(dino_dev, DINO_IRQ_RS232INT), 7272727 / 16,
serial_hd(1), DEVICE_BIG_ENDIAN);
/* Parallel port */
- parallel_mm_init(addr_space, LASI_LPT_HPA + 0x800, 0,
+ parallel_mm_init(addr_space, translate(NULL, LASI_LPT_HPA + 0x800), 0,
qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA),
parallel_hds[0]);
@@ -543,15 +565,17 @@ static void machine_HP_B160L_init(MachineState *machine)
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, LASI_PS2KBD_HPA,
+ memory_region_add_subregion(addr_space,
+ translate(NULL, LASI_PS2KBD_HPA),
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
0));
- memory_region_add_subregion(addr_space, LASI_PS2KBD_HPA + 0x100,
+ memory_region_add_subregion(addr_space,
+ translate(NULL, LASI_PS2KBD_HPA + 0x100),
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
1));
/* Add SCSI discs, NICs, graphics & load firmware */
- machine_HP_common_init_tail(machine, pci_bus);
+ machine_HP_common_init_tail(machine, pci_bus, translate);
}
static AstroState *astro_init(void)
@@ -573,21 +597,22 @@ static void machine_HP_C3700_init(MachineState *machine)
AstroState *astro;
DeviceState *astro_dev;
MemoryRegion *addr_space = get_system_memory();
+ TranslateFn *translate;
/* Create CPUs and RAM. */
- machine_HP_common_init_cpus(machine);
+ translate = machine_HP_common_init_cpus(machine);
/* Init Astro and the Elroys (PCI host bus chips). */
astro = astro_init();
astro_dev = DEVICE(astro);
- memory_region_add_subregion(addr_space, ASTRO_HPA,
+ memory_region_add_subregion(addr_space, translate(NULL, ASTRO_HPA),
sysbus_mmio_get_region(
SYS_BUS_DEVICE(astro_dev), 0));
pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci"));
assert(pci_bus);
/* Add SCSI discs, NICs, graphics & load firmware */
- machine_HP_common_init_tail(machine, pci_bus);
+ machine_HP_common_init_tail(machine, pci_bus, translate);
}
static void hppa_machine_reset(MachineState *ms, ShutdownCause reason)
Hack the machine to use pa2.0 physical layout when required, using the PSW.W=0 absolute to physical mapping. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- hw/hppa/machine.c | 117 ++++++++++++++++++++++++++++------------------ 1 file changed, 71 insertions(+), 46 deletions(-)