diff options
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 489d1d8d96b0..f86c81e13c37 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1,8 +1,6 @@ /* - * arch/s390/kernel/setup.c - * * S390 version - * Copyright (C) IBM Corp. 1999,2012 + * Copyright IBM Corp. 1999, 2012 * Author(s): Hartmut Penner (hp@de.ibm.com), * Martin Schwidefsky (schwidefsky@de.ibm.com) * @@ -63,6 +61,7 @@ #include <asm/kvm_virtio.h> #include <asm/diag.h> #include <asm/os_info.h> +#include <asm/sclp.h> #include "entry.h" long psw_kernel_bits = PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_ASC_PRIMARY | @@ -138,9 +137,14 @@ __setup("condev=", condev_setup); static void __init set_preferred_console(void) { - if (MACHINE_IS_KVM) - add_preferred_console("hvc", 0, NULL); - else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) + if (MACHINE_IS_KVM) { + if (sclp_has_vt220()) + add_preferred_console("ttyS", 1, NULL); + else if (sclp_has_linemode()) + add_preferred_console("ttyS", 0, NULL); + else + add_preferred_console("hvc", 0, NULL); + } else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) add_preferred_console("ttyS", 0, NULL); else if (CONSOLE_IS_3270) add_preferred_console("tty3270", 0, NULL); @@ -298,8 +302,8 @@ static int __init parse_vmalloc(char *arg) } early_param("vmalloc", parse_vmalloc); -unsigned int user_mode = HOME_SPACE_MODE; -EXPORT_SYMBOL_GPL(user_mode); +unsigned int addressing_mode = HOME_SPACE_MODE; +EXPORT_SYMBOL_GPL(addressing_mode); static int set_amode_primary(void) { @@ -324,7 +328,7 @@ static int set_amode_primary(void) */ static int __init early_parse_switch_amode(char *p) { - user_mode = PRIMARY_SPACE_MODE; + addressing_mode = PRIMARY_SPACE_MODE; return 0; } early_param("switch_amode", early_parse_switch_amode); @@ -332,9 +336,9 @@ early_param("switch_amode", early_parse_switch_amode); static int __init early_parse_user_mode(char *p) { if (p && strcmp(p, "primary") == 0) - user_mode = PRIMARY_SPACE_MODE; + addressing_mode = PRIMARY_SPACE_MODE; else if (!p || strcmp(p, "home") == 0) - user_mode = HOME_SPACE_MODE; + addressing_mode = HOME_SPACE_MODE; else return 1; return 0; @@ -343,7 +347,7 @@ early_param("user_mode", early_parse_user_mode); static void setup_addressing_mode(void) { - if (user_mode == PRIMARY_SPACE_MODE) { + if (addressing_mode == PRIMARY_SPACE_MODE) { if (set_amode_primary()) pr_info("Address spaces switched, " "mvcos available\n"); @@ -430,10 +434,11 @@ static void __init setup_lowcore(void) lc->restart_source = -1UL; /* Setup absolute zero lowcore */ - memcpy_absolute(&S390_lowcore.restart_stack, &lc->restart_stack, - 4 * sizeof(unsigned long)); - memcpy_absolute(&S390_lowcore.restart_psw, &lc->restart_psw, - sizeof(lc->restart_psw)); + mem_assign_absolute(S390_lowcore.restart_stack, lc->restart_stack); + mem_assign_absolute(S390_lowcore.restart_fn, lc->restart_fn); + mem_assign_absolute(S390_lowcore.restart_data, lc->restart_data); + mem_assign_absolute(S390_lowcore.restart_source, lc->restart_source); + mem_assign_absolute(S390_lowcore.restart_psw, lc->restart_psw); set_prefix((u32)(unsigned long) lc); lowcore_ptr[0] = lc; @@ -598,9 +603,7 @@ static void __init setup_memory_end(void) static void __init setup_vmcoreinfo(void) { #ifdef CONFIG_KEXEC - unsigned long ptr = paddr_vmcoreinfo_note(); - - memcpy_absolute(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); + mem_assign_absolute(S390_lowcore.vmcore_info, paddr_vmcoreinfo_note()); #endif } |