X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=hw%2Fppc_chrp.c;h=f53c85b8559e9b6de2b212e4a291430c58bf9e10;hb=cd346349b45ef056f138a184f660b8c34c3213cc;hp=a5e67e024f482f6e037f4e9ef15393876a52add7;hpb=3b46e6242767a2c770c0aba0a6595e9511623c92;p=qemu diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c index a5e67e0..f53c85b 100644 --- a/hw/ppc_chrp.c +++ b/hw/ppc_chrp.c @@ -46,22 +46,26 @@ static int macio_nvram_mem_index = -1; /* DBDMA: currently no op - should suffice right now */ -static void dbdma_writeb (void *opaque, target_phys_addr_t addr, uint32_t value) +static void dbdma_writeb (void *opaque, + target_phys_addr_t addr, uint32_t value) { printf("%s: 0x" PADDRX " <= 0x%08x\n", __func__, addr, value); } -static void dbdma_writew (void *opaque, target_phys_addr_t addr, uint32_t value) +static void dbdma_writew (void *opaque, + target_phys_addr_t addr, uint32_t value) { } -static void dbdma_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +static void dbdma_writel (void *opaque, + target_phys_addr_t addr, uint32_t value) { } static uint32_t dbdma_readb (void *opaque, target_phys_addr_t addr) { printf("%s: 0x" PADDRX " => 0x00000000\n", __func__, addr); + return 0; } @@ -92,7 +96,8 @@ typedef struct MacIONVRAMState { uint8_t data[0x2000]; } MacIONVRAMState; -static void macio_nvram_writeb (void *opaque, target_phys_addr_t addr, uint32_t value) +static void macio_nvram_writeb (void *opaque, + target_phys_addr_t addr, uint32_t value) { MacIONVRAMState *s = opaque; addr = (addr >> 4) & 0x1fff; @@ -108,6 +113,7 @@ static uint32_t macio_nvram_readb (void *opaque, target_phys_addr_t addr) addr = (addr >> 4) & 0x1fff; value = s->data[addr]; // printf("macio_nvram_readb %04x = %02x\n", addr, value); + return value; } @@ -123,7 +129,7 @@ static CPUReadMemoryFunc *macio_nvram_read[] = { &macio_nvram_readb, }; -static MacIONVRAMState *macio_nvram_init(void) +static MacIONVRAMState *macio_nvram_init (void) { MacIONVRAMState *s; s = qemu_mallocz(sizeof(MacIONVRAMState)); @@ -131,11 +137,12 @@ static MacIONVRAMState *macio_nvram_init(void) return NULL; macio_nvram_mem_index = cpu_register_io_memory(0, macio_nvram_read, macio_nvram_write, s); + return s; } -static void macio_map(PCIDevice *pci_dev, int region_num, - uint32_t addr, uint32_t size, int type) +static void macio_map (PCIDevice *pci_dev, int region_num, + uint32_t addr, uint32_t size, int type) { if (heathrow_pic_mem_index >= 0) { cpu_register_physical_memory(addr + 0x00000, 0x1000, @@ -152,10 +159,11 @@ static void macio_map(PCIDevice *pci_dev, int region_num, openpic_mem_index); } if (macio_nvram_mem_index >= 0) - cpu_register_physical_memory(addr + 0x60000, 0x20000, macio_nvram_mem_index); + cpu_register_physical_memory(addr + 0x60000, 0x20000, + macio_nvram_mem_index); } -static void macio_init(PCIBus *bus, int device_id) +static void macio_init (PCIBus *bus, int device_id) { PCIDevice *d; @@ -204,7 +212,8 @@ static CPUReadMemoryFunc *unin_read[] = { /* temporary frame buffer OSI calls for the video.x driver. The right solution is to modify the driver to use VGA PCI I/Os */ -static int vga_osi_call(CPUState *env) +/* XXX: to be removed. This is no way related to emulation */ +static int vga_osi_call (CPUState *env) { static int vga_vbl_enabled; int linesize; @@ -264,10 +273,11 @@ static int vga_osi_call(CPUState *env) fprintf(stderr, "unsupported OSI call R5=" REGX "\n", env->gpr[5]); break; } + return 1; /* osi_call handled */ } -static uint8_t nvram_chksum(const uint8_t *buf, int n) +static uint8_t nvram_chksum (const uint8_t *buf, int n) { int sum, i; sum = 0; @@ -277,7 +287,7 @@ static uint8_t nvram_chksum(const uint8_t *buf, int n) } /* set a free Mac OS NVRAM partition */ -void pmac_format_nvram_partition(uint8_t *buf, int len) +void pmac_format_nvram_partition (uint8_t *buf, int len) { char partition_name[12] = "wwwwwwwwwwww"; @@ -317,27 +327,20 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, /* init CPUs */ env = cpu_init(); - qemu_register_reset(&cpu_ppc_reset, env); - register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); - - /* Default CPU is a generic 74x/75x */ if (cpu_model == NULL) - cpu_model = "750"; - /* XXX: CPU model (or PVR) should be provided on command line */ - // ppc_find_by_name("750gx", &def); // Linux boot OK - // ppc_find_by_name("750fx", &def); // Linux boot OK - /* Linux does not boot on 750cxe (and probably other 750cx based) - * because it assumes it has 8 IBAT & DBAT pairs as it only have 4. - */ + cpu_model = "default"; ppc_find_by_name(cpu_model, &def); if (def == NULL) { cpu_abort(env, "Unable to find PowerPC CPU definition\n"); } for (i = 0; i < smp_cpus; i++) { cpu_ppc_register(env, def); + cpu_ppc_reset(env); /* Set time-base frequency to 100 Mhz */ cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); env->osi_call = vga_osi_call; + qemu_register_reset(&cpu_ppc_reset, env); + register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); envs[i] = env; } @@ -346,7 +349,9 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, /* allocate and load BIOS */ bios_offset = ram_size + vga_ram_size; - snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); + if (bios_name == NULL) + bios_name = BIOS_FILENAME; + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); bios_size = load_image(buf, phys_ram_base + bios_offset); if (bios_size < 0 || bios_size > BIOS_SIZE) { cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf); @@ -488,6 +493,7 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, openpic_irqs[i][OPENPIC_OUTPUT_RESET] = ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET]; break; +#if defined(TARGET_PPC64) case PPC_FLAGS_INPUT_970: openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB); openpic_irqs[i][OPENPIC_OUTPUT_INT] = @@ -502,9 +508,9 @@ static void ppc_chrp_init (int ram_size, int vga_ram_size, int boot_device, openpic_irqs[i][OPENPIC_OUTPUT_RESET] = ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET]; break; +#endif /* defined(TARGET_PPC64) */ default: - cpu_abort(env, - "Only bus model not supported on mac99 machine\n"); + cpu_abort(env, "Bus model not supported on mac99 machine\n"); exit(1); } }