diff options
Diffstat (limited to 'hw/mips/malta.c')
| -rw-r--r-- | hw/mips/malta.c | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/hw/mips/malta.c b/hw/mips/malta.c index 4019c9dc1a..9d1a3b50b7 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -26,6 +26,7 @@ #include "qemu/units.h" #include "qemu-common.h" #include "cpu.h" +#include "hw/clock.h" #include "hw/southbridge/piix.h" #include "hw/isa/superio.h" #include "hw/char/serial.h" @@ -57,6 +58,7 @@ #include "sysemu/kvm.h" #include "hw/semihosting/semihost.h" #include "hw/mips/cps.h" +#include "hw/qdev-clock.h" #define ENVP_ADDR 0x80002000l #define ENVP_NB_ENTRIES 16 @@ -94,6 +96,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(MaltaState, MIPS_MALTA) struct MaltaState { SysBusDevice parent_obj; + Clock *cpuclk; MIPSCPSState cps; qemu_irq i8259[ISA_NUM_IRQS]; }; @@ -575,7 +578,7 @@ static MaltaFPGAState *malta_fpga_init(MemoryRegion *address_space, memory_region_init_alias(&s->iomem_lo, NULL, "malta-fpga", &s->iomem, 0, 0x900); memory_region_init_alias(&s->iomem_hi, NULL, "malta-fpga", - &s->iomem, 0xa00, 0x10000 - 0xa00); + &s->iomem, 0xa00, 0x100000 - 0xa00); memory_region_add_subregion(address_space, base, &s->iomem_lo); memory_region_add_subregion(address_space, base + 0xa00, &s->iomem_hi); @@ -1074,9 +1077,9 @@ static int64_t load_kernel(void) * the initrd. It takes at most 128kiB for 2GB RAM and 4kiB * pages. */ - initrd_offset = (loaderparams.ram_low_size - initrd_size - - (128 * KiB) - - ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK; + initrd_offset = ROUND_UP(loaderparams.ram_low_size + - (initrd_size + 128 * KiB), + INITRD_PAGE_SIZE); if (kernel_high >= initrd_offset) { error_report("memory too small for initial ram disk '%s'", loaderparams.initrd_filename); @@ -1159,7 +1162,7 @@ static void main_cpu_reset(void *opaque) } } -static void create_cpu_without_cps(MachineState *ms, +static void create_cpu_without_cps(MachineState *ms, MaltaState *s, qemu_irq *cbus_irq, qemu_irq *i8259_irq) { CPUMIPSState *env; @@ -1167,7 +1170,7 @@ static void create_cpu_without_cps(MachineState *ms, int i; for (i = 0; i < ms->smp.cpus; i++) { - cpu = MIPS_CPU(cpu_create(ms->cpu_type)); + cpu = mips_cpu_create_with_clock(ms->cpu_type, s->cpuclk); /* Init internal devices */ cpu_mips_irq_init_cpu(cpu); @@ -1189,6 +1192,7 @@ static void create_cps(MachineState *ms, MaltaState *s, &error_fatal); object_property_set_int(OBJECT(&s->cps), "num-vp", ms->smp.cpus, &error_fatal); + qdev_connect_clock_in(DEVICE(&s->cps), "clk-in", s->cpuclk); sysbus_realize(SYS_BUS_DEVICE(&s->cps), &error_fatal); sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->cps), 0, 0, 1); @@ -1203,7 +1207,7 @@ static void mips_create_cpu(MachineState *ms, MaltaState *s, if ((ms->smp.cpus > 1) && cpu_supports_cps_smp(ms->cpu_type)) { create_cps(ms, s, cbus_irq, i8259_irq); } else { - create_cpu_without_cps(ms, cbus_irq, i8259_irq); + create_cpu_without_cps(ms, s, cbus_irq, i8259_irq); } } @@ -1231,18 +1235,11 @@ void mips_malta_init(MachineState *machine) DriveInfo *dinfo; int fl_idx = 0; int be; + MaltaState *s; + DeviceState *dev; - DeviceState *dev = qdev_new(TYPE_MIPS_MALTA); - MaltaState *s = MIPS_MALTA(dev); - - /* - * The whole address space decoded by the GT-64120A doesn't generate - * exception when accessing invalid memory. Create an empty slot to - * emulate this feature. - */ - empty_slot_init("GT64120", 0, 0x20000000); - - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + s = MIPS_MALTA(qdev_new(TYPE_MIPS_MALTA)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(s), &error_fatal); /* create CPU */ mips_create_cpu(machine, s, &cbus_irq, &i8259_irq); @@ -1335,10 +1332,8 @@ void mips_malta_init(MachineState *machine) /* Load firmware from flash. */ if (!dinfo) { /* Load a BIOS image. */ - if (bios_name == NULL) { - bios_name = BIOS_FILENAME; - } - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, + bios_name ?: BIOS_FILENAME); if (filename) { bios_size = load_image_targphys(filename, FLASH_ADDRESS, BIOS_SIZE); @@ -1347,9 +1342,8 @@ void mips_malta_init(MachineState *machine) bios_size = -1; } if ((bios_size < 0 || bios_size > BIOS_SIZE) && - !kernel_filename && !qtest_enabled()) { - error_report("Could not load MIPS bios '%s', and no " - "-kernel argument was specified", bios_name); + bios_name && !qtest_enabled()) { + error_report("Could not load MIPS bios '%s'", bios_name); exit(1); } } @@ -1395,6 +1389,12 @@ void mips_malta_init(MachineState *machine) /* Northbridge */ pci_bus = gt64120_register(s->i8259); + /* + * The whole address space decoded by the GT-64120A doesn't generate + * exception when accessing invalid memory. Create an empty slot to + * emulate this feature. + */ + empty_slot_init("GT64120", 0, 0x20000000); /* Southbridge */ dev = piix4_create(pci_bus, &isa_bus, &smbus); @@ -1421,10 +1421,19 @@ void mips_malta_init(MachineState *machine) pci_vga_init(pci_bus); } +static void mips_malta_instance_init(Object *obj) +{ + MaltaState *s = MIPS_MALTA(obj); + + s->cpuclk = qdev_init_clock_out(DEVICE(obj), "cpu-refclk"); + clock_set_hz(s->cpuclk, 320000000); /* 320 MHz */ +} + static const TypeInfo mips_malta_device = { .name = TYPE_MIPS_MALTA, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(MaltaState), + .instance_init = mips_malta_instance_init, }; static void mips_malta_machine_init(MachineClass *mc) |