*
* Emulates a very simple machine model similar to the one used by the
* proprietary MIPS emulator.
- *
+ *
* Copyright (c) 2007 Thiemo Seufer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "hw/hw.h"
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "cpu.h"
#include "hw/mips/mips.h"
#include "hw/mips/cpudevs.h"
#include "hw/char/serial.h"
#include "exec/address-spaces.h"
#include "qemu/error-report.h"
#include "sysemu/qtest.h"
+#include "sysemu/reset.h"
static struct _loaderparams {
int ram_size;
static int64_t load_kernel(void)
{
- int64_t entry, kernel_high;
+ int64_t entry, kernel_high, initrd_size;
long kernel_size;
- long initrd_size;
ram_addr_t initrd_offset;
int big_endian;
big_endian = 0;
#endif
- kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys,
- NULL, (uint64_t *)&entry, NULL,
+ kernel_size = load_elf(loaderparams.kernel_filename, NULL,
+ cpu_mips_kseg0_to_phys, NULL,
+ (uint64_t *)&entry, NULL,
(uint64_t *)&kernel_high, big_endian,
- ELF_MACHINE, 1);
+ EM_MIPS, 1, 0);
if (kernel_size >= 0) {
- if ((entry & ~0x7fffffffULL) == 0x80000000)
+ if ((entry & ~0x7fffffffULL) == 0x80000000) {
entry = (int32_t)entry;
+ }
} else {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- loaderparams.kernel_filename);
+ error_report("could not load kernel '%s': %s",
+ loaderparams.kernel_filename,
+ load_elf_strerror(kernel_size));
exit(1);
}
initrd_size = 0;
initrd_offset = 0;
if (loaderparams.initrd_filename) {
- initrd_size = get_image_size (loaderparams.initrd_filename);
+ initrd_size = get_image_size(loaderparams.initrd_filename);
if (initrd_size > 0) {
- initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
+ initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) &
+ INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > loaderparams.ram_size) {
- fprintf(stderr,
- "qemu: memory too small for initial ram disk '%s'\n",
- loaderparams.initrd_filename);
+ error_report("memory too small for initial ram disk '%s'",
+ loaderparams.initrd_filename);
exit(1);
}
initrd_size = load_image_targphys(loaderparams.initrd_filename,
initrd_offset, loaderparams.ram_size - initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
- loaderparams.initrd_filename);
+ error_report("could not load initial ram disk '%s'",
+ loaderparams.initrd_filename);
exit(1);
}
}
mips_mipssim_init(MachineState *machine)
{
ram_addr_t ram_size = machine->ram_size;
- const char *cpu_model = machine->cpu_model;
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename;
int bios_size;
/* Init CPUs. */
- if (cpu_model == NULL) {
-#ifdef TARGET_MIPS64
- cpu_model = "5Kf";
-#else
- cpu_model = "24Kf";
-#endif
- }
- cpu = cpu_mips_init(cpu_model);
- if (cpu == NULL) {
- fprintf(stderr, "Unable to find CPU definition\n");
- exit(1);
- }
+ cpu = MIPS_CPU(cpu_create(machine->cpu_type));
env = &cpu->env;
reset_info = g_malloc0(sizeof(ResetData));
qemu_register_reset(main_cpu_reset, reset_info);
/* Allocate RAM. */
- memory_region_init_ram(ram, NULL, "mips_mipssim.ram", ram_size,
- &error_abort);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "mips_mipssim.ram",
+ ram_size);
memory_region_init_ram(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
- &error_abort);
- vmstate_register_ram_global(bios);
+ &error_fatal);
memory_region_set_readonly(bios, true);
memory_region_add_subregion(address_space_mem, 0, ram);
/* Map the BIOS / boot exception handler. */
memory_region_add_subregion(address_space_mem, 0x1fc00000LL, bios);
/* Load a BIOS / boot exception handler image. */
- if (bios_name == NULL)
+ if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
+ }
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = load_image_targphys(filename, 0x1fc00000LL, BIOS_SIZE);
!kernel_filename && !qtest_enabled()) {
/* Bail out if we have neither a kernel image nor boot vector code. */
error_report("Could not load MIPS bios '%s', and no "
- "-kernel argument was specified", filename);
+ "-kernel argument was specified", bios_name);
exit(1);
} else {
/* We have a boot vector start address. */
}
/* Init CPU internal devices. */
- cpu_mips_irq_init_cpu(env);
- cpu_mips_clock_init(env);
+ cpu_mips_irq_init_cpu(cpu);
+ cpu_mips_clock_init(cpu);
/* Register 64 KB of ISA IO space at 0x1fd00000. */
memory_region_init_alias(isa, NULL, "isa_mmio",
get_system_io(), 0, 0x00010000);
memory_region_add_subregion(get_system_memory(), 0x1fd00000, isa);
- /* A single 16450 sits at offset 0x3f8. It is attached to
- MIPS CPU INT2, which is interrupt 4. */
- if (serial_hds[0])
- serial_init(0x3f8, env->irq[4], 115200, serial_hds[0],
+ /*
+ * A single 16450 sits at offset 0x3f8. It is attached to
+ * MIPS CPU INT2, which is interrupt 4.
+ */
+ if (serial_hd(0))
+ serial_init(0x3f8, env->irq[4], 115200, serial_hd(0),
get_system_io());
if (nd_table[0].used)
mipsnet_init(0x4200, env->irq[2], &nd_table[0]);
}
-static QEMUMachine mips_mipssim_machine = {
- .name = "mipssim",
- .desc = "MIPS MIPSsim platform",
- .init = mips_mipssim_init,
-};
-
-static void mips_mipssim_machine_init(void)
+static void mips_mipssim_machine_init(MachineClass *mc)
{
- qemu_register_machine(&mips_mipssim_machine);
+ mc->desc = "MIPS MIPSsim platform";
+ mc->init = mips_mipssim_init;
+#ifdef TARGET_MIPS64
+ mc->default_cpu_type = MIPS_CPU_TYPE_NAME("5Kf");
+#else
+ mc->default_cpu_type = MIPS_CPU_TYPE_NAME("24Kf");
+#endif
}
-machine_init(mips_mipssim_machine_init);
+DEFINE_MACHINE("mipssim", mips_mipssim_machine_init)
projects / qemu.git / blobdiff