void __init setup_arch(char **cmdline_p) { /* * print what head.S has found out about the machine */ #ifndef CONFIG_64BIT printk((MACHINE_IS_VM) ? "We are running under VM (31 bit mode)\n" : "We are running native (31 bit mode)\n"); printk((MACHINE_HAS_IEEE) ? "This machine has an IEEE fpu\n" : "This machine has no IEEE fpu\n"); #else /* CONFIG_64BIT */ printk((MACHINE_IS_VM) ? "We are running under VM (64 bit mode)\n" : "We are running native (64 bit mode)\n"); #endif /* CONFIG_64BIT */ /* Save unparsed command line copy for /proc/cmdline */ strlcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); *cmdline_p = COMMAND_LINE; *(*cmdline_p + COMMAND_LINE_SIZE - 1) = '\0'; ROOT_DEV = Root_RAM0; init_mm.start_code = PAGE_OFFSET; init_mm.end_code = (unsigned long) &_etext; init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; if (MACHINE_HAS_MVCOS) memcpy(&uaccess, &uaccess_mvcos, sizeof(uaccess)); else memcpy(&uaccess, &uaccess_std, sizeof(uaccess)); parse_early_param(); setup_memory_end(); setup_addressing_mode(); setup_memory(); setup_resources(); setup_lowcore(); cpu_init(); __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr; smp_setup_cpu_possible_map(); /* * Create kernel page tables and switch to virtual addressing. */ paging_init(); /* Setup default console */ conmode_default(); }
void __init setup_arch(char **cmdline_p) { /* * print what head.S has found out about the machine */ #ifndef CONFIG_64BIT if (MACHINE_IS_VM) pr_info("Linux is running as a z/VM " "guest operating system in 31-bit mode\n"); else if (MACHINE_IS_LPAR) pr_info("Linux is running natively in 31-bit mode\n"); if (MACHINE_HAS_IEEE) pr_info("The hardware system has IEEE compatible " "floating point units\n"); else pr_info("The hardware system has no IEEE compatible " "floating point units\n"); #else /* CONFIG_64BIT */ if (MACHINE_IS_VM) pr_info("Linux is running as a z/VM " "guest operating system in 64-bit mode\n"); else if (MACHINE_IS_KVM) pr_info("Linux is running under KVM in 64-bit mode\n"); else if (MACHINE_IS_LPAR) pr_info("Linux is running natively in 64-bit mode\n"); #endif /* CONFIG_64BIT */ /* Have one command line that is parsed and saved in /proc/cmdline */ /* boot_command_line has been already set up in early.c */ *cmdline_p = boot_command_line; ROOT_DEV = Root_RAM0; init_mm.start_code = PAGE_OFFSET; init_mm.end_code = (unsigned long) &_etext; init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; if (MACHINE_HAS_MVCOS) memcpy(&uaccess, &uaccess_mvcos, sizeof(uaccess)); else memcpy(&uaccess, &uaccess_std, sizeof(uaccess)); parse_early_param(); setup_ipl(); setup_memory_end(); setup_addressing_mode(); setup_memory(); setup_resources(); setup_lowcore(); cpu_init(); s390_init_cpu_topology(); /* * Setup capabilities (ELF_HWCAP & ELF_PLATFORM). */ setup_hwcaps(); /* * Create kernel page tables and switch to virtual addressing. */ paging_init(); /* Setup default console */ conmode_default(); set_preferred_console(); /* Setup zfcpdump support */ setup_zfcpdump(console_devno); }
void __init setup_arch(char **cmdline_p) { /* * print what head.S has found out about the machine */ #ifndef CONFIG_64BIT printk((MACHINE_IS_VM) ? "We are running under VM (31 bit mode)\n" : "We are running native (31 bit mode)\n"); printk((MACHINE_HAS_IEEE) ? "This machine has an IEEE fpu\n" : "This machine has no IEEE fpu\n"); #else /* CONFIG_64BIT */ if (MACHINE_IS_VM) printk("We are running under VM (64 bit mode)\n"); else if (MACHINE_IS_KVM) { printk("We are running under KVM (64 bit mode)\n"); add_preferred_console("hvc", 0, NULL); s390_virtio_console_init(); } else printk("We are running native (64 bit mode)\n"); #endif /* CONFIG_64BIT */ /* Have one command line that is parsed and saved in /proc/cmdline */ /* boot_command_line has been already set up in early.c */ *cmdline_p = boot_command_line; ROOT_DEV = Root_RAM0; init_mm.start_code = PAGE_OFFSET; init_mm.end_code = (unsigned long) &_etext; init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; if (MACHINE_HAS_MVCOS) memcpy(&uaccess, &uaccess_mvcos, sizeof(uaccess)); else memcpy(&uaccess, &uaccess_std, sizeof(uaccess)); parse_early_param(); setup_ipl(); setup_memory_end(); setup_addressing_mode(); setup_memory(); setup_resources(); setup_lowcore(); cpu_init(); __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr; s390_init_cpu_topology(); /* * Setup capabilities (ELF_HWCAP & ELF_PLATFORM). */ setup_hwcaps(); /* * Create kernel page tables and switch to virtual addressing. */ paging_init(); /* Setup default console */ conmode_default(); /* Setup zfcpdump support */ setup_zfcpdump(console_devno); }