diff options
Diffstat (limited to 'hw/mips_jazz.c')
| -rw-r--r-- | hw/mips_jazz.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c index f3c9f93204..7cac5da920 100644 --- a/hw/mips_jazz.c +++ b/hw/mips_jazz.c @@ -52,44 +52,42 @@ static void main_cpu_reset(void *opaque) cpu_reset(env); } -static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr) +static uint64_t rtc_read(void *opaque, target_phys_addr_t addr, unsigned size) { return cpu_inw(0x71); } -static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) +static void rtc_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) { cpu_outw(0x71, val & 0xff); } -static CPUReadMemoryFunc * const rtc_read[3] = { - rtc_readb, - rtc_readb, - rtc_readb, +static const MemoryRegionOps rtc_ops = { + .read = rtc_read, + .write = rtc_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; -static CPUWriteMemoryFunc * const rtc_write[3] = { - rtc_writeb, - rtc_writeb, - rtc_writeb, -}; - -static void dma_dummy_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) +static uint64_t dma_dummy_read(void *opaque, target_phys_addr_t addr, + unsigned size) { /* Nothing to do. That is only to ensure that * the current DMA acknowledge cycle is completed. */ + return 0xff; } -static CPUReadMemoryFunc * const dma_dummy_read[3] = { - NULL, - NULL, - NULL, -}; +static void dma_dummy_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) +{ + /* Nothing to do. That is only to ensure that + * the current DMA acknowledge cycle is completed. */ +} -static CPUWriteMemoryFunc * const dma_dummy_write[3] = { - dma_dummy_writeb, - dma_dummy_writeb, - dma_dummy_writeb, +static const MemoryRegionOps dma_dummy_ops = { + .read = dma_dummy_read, + .write = dma_dummy_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; #define MAGNUM_BIOS_SIZE_MAX 0x7e000 @@ -105,7 +103,7 @@ static void cpu_request_exit(void *opaque, int irq, int level) } static -void mips_jazz_init (ram_addr_t ram_size, +void mips_jazz_init (MemoryRegion *address_space, ram_addr_t ram_size, const char *cpu_model, enum jazz_model_e jazz_model) { @@ -115,7 +113,8 @@ void mips_jazz_init (ram_addr_t ram_size, qemu_irq *rc4030, *i8259; rc4030_dma *dmas; void* rc4030_opaque; - int s_rtc, s_dma_dummy; + MemoryRegion *rtc = g_new(MemoryRegion, 1); + MemoryRegion *dma_dummy = g_new(MemoryRegion, 1); NICInfo *nd; DeviceState *dev; SysBusDevice *sysbus; @@ -123,8 +122,9 @@ void mips_jazz_init (ram_addr_t ram_size, DriveInfo *fds[MAX_FD]; qemu_irq esp_reset, dma_enable; qemu_irq *cpu_exit_irq; - ram_addr_t ram_offset; - ram_addr_t bios_offset; + MemoryRegion *ram = g_new(MemoryRegion, 1); + MemoryRegion *bios = g_new(MemoryRegion, 1); + MemoryRegion *bios2 = g_new(MemoryRegion, 1); /* init CPUs */ if (cpu_model == NULL) { @@ -143,14 +143,15 @@ void mips_jazz_init (ram_addr_t ram_size, qemu_register_reset(main_cpu_reset, env); /* allocate RAM */ - ram_offset = qemu_ram_alloc(NULL, "mips_jazz.ram", ram_size); - cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM); + memory_region_init_ram(ram, NULL, "mips_jazz.ram", ram_size); + memory_region_add_subregion(address_space, 0, ram); - bios_offset = qemu_ram_alloc(NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE); - cpu_register_physical_memory(0x1fc00000LL, - MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM); - cpu_register_physical_memory(0xfff00000LL, - MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM); + memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE); + memory_region_set_readonly(bios, true); + memory_region_init_alias(bios2, "mips_jazz.bios", bios, + 0, MAGNUM_BIOS_SIZE); + memory_region_add_subregion(address_space, 0x1fc00000LL, bios); + memory_region_add_subregion(address_space, 0xfff00000LL, bios2); /* load the BIOS image. */ if (bios_name == NULL) @@ -175,9 +176,8 @@ void mips_jazz_init (ram_addr_t ram_size, /* Chipset */ rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas); - s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL, - DEVICE_NATIVE_ENDIAN); - cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy); + memory_region_init_io(dma_dummy, &dma_dummy_ops, NULL, "dummy_dma", 0x1000); + memory_region_add_subregion(address_space, 0x8000d000, dma_dummy); /* ISA devices */ i8259 = i8259_init(env->irq[4]); @@ -203,10 +203,11 @@ void mips_jazz_init (ram_addr_t ram_size, sysbus_connect_irq(sysbus, 0, rc4030[3]); { /* Simple ROM, so user doesn't have to provide one */ - ram_addr_t rom_offset = qemu_ram_alloc(NULL, "g364fb.rom", 0x80000); - uint8_t *rom = qemu_get_ram_ptr(rom_offset); - cpu_register_physical_memory(0x60000000, 0x80000, - rom_offset | IO_MEM_ROM); + MemoryRegion *rom_mr = g_new(MemoryRegion, 1); + memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000); + memory_region_set_readonly(rom_mr, true); + uint8_t *rom = memory_region_get_ram_ptr(rom_mr); + memory_region_add_subregion(address_space, 0x60000000, rom_mr); rom[0] = 0x10; /* Mips G364 */ } break; @@ -252,9 +253,8 @@ void mips_jazz_init (ram_addr_t ram_size, /* Real time clock */ rtc_init(1980, NULL); - s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL, - DEVICE_NATIVE_ENDIAN); - cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc); + memory_region_init_io(rtc, &rtc_ops, NULL, "rtc", 0x1000); + memory_region_add_subregion(address_space, 0x80004000, rtc); /* Keyboard (i8042) */ i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1); @@ -299,7 +299,7 @@ void mips_magnum_init (ram_addr_t ram_size, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { - mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM); + mips_jazz_init(get_system_memory(), ram_size, cpu_model, JAZZ_MAGNUM); } static @@ -308,7 +308,7 @@ void mips_pica61_init (ram_addr_t ram_size, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { - mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61); + mips_jazz_init(get_system_memory(), ram_size, cpu_model, JAZZ_PICA61); } static QEMUMachine mips_magnum_machine = { |