diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/early_printk.c | 40 | ||||
| -rw-r--r-- | arch/mips/kernel/linux32.c | 173 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-n32.S | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/setup.c | 8 |
6 files changed, 53 insertions, 177 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index a3dad394acb..49246264cc7 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -65,5 +65,6 @@ obj-$(CONFIG_64BIT) += cpu-bugs64.o obj-$(CONFIG_I8253) += i8253.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c new file mode 100644 index 00000000000..304efdc5682 --- /dev/null +++ b/arch/mips/kernel/early_printk.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/console.h> +#include <linux/init.h> + +extern void prom_putchar(char); + +static void early_console_write(struct console *con, const char *s, unsigned n) +{ + while (n-- && *s) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s); + s++; + } +} + +static struct console early_console = { + .name = "early", + .write = early_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; + +void __init setup_early_printk(void) +{ + register_console(&early_console); +} + +void __init disable_early_printk(void) +{ + unregister_console(&early_console); +} diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index fc4dd6c9dd8..30d433f14f9 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -166,34 +166,6 @@ out: return error; } -asmlinkage long -sysn32_waitid(int which, compat_pid_t pid, - siginfo_t __user *uinfo, int options, - struct compat_rusage __user *uru) -{ - struct rusage ru; - long ret; - mm_segment_t old_fs = get_fs(); - int si_signo; - - if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo))) - return -EFAULT; - - set_fs (KERNEL_DS); - ret = sys_waitid(which, pid, uinfo, options, - uru ? (struct rusage __user *) &ru : NULL); - set_fs (old_fs); - - if (__get_user(si_signo, &uinfo->si_signo)) - return -EFAULT; - if (ret < 0 || si_signo == 0) - return ret; - - if (uru) - ret = put_compat_rusage(&ru, uru); - return ret; -} - #define RLIM_INFINITY32 0x7fffffff #define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x) @@ -572,151 +544,6 @@ asmlinkage long sys32_sync_file_range(int fd, int __pad, flags); } -/* Argument list sizes for sys_socketcall */ -#define AL(x) ((x) * sizeof(unsigned int)) -static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3), - AL(3),AL(3),AL(4),AL(4),AL(4),AL(6), - AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)}; -#undef AL - -/* - * System call vectors. - * - * Argument checking cleaned up. Saved 20% in size. - * This function doesn't need to set the kernel lock because - * it is set by the callees. - */ - -asmlinkage long sys32_socketcall(int call, unsigned int __user *args32) -{ - unsigned int a[6]; - unsigned int a0,a1; - int err; - - extern asmlinkage long sys_socket(int family, int type, int protocol); - extern asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen); - extern asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen); - extern asmlinkage long sys_listen(int fd, int backlog); - extern asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen); - extern asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); - extern asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); - extern asmlinkage long sys_socketpair(int family, int type, int protocol, int __user *usockvec); - extern asmlinkage long sys_send(int fd, void __user * buff, size_t len, unsigned flags); - extern asmlinkage long sys_sendto(int fd, void __user * buff, size_t len, unsigned flags, - struct sockaddr __user *addr, int addr_len); - extern asmlinkage long sys_recv(int fd, void __user * ubuf, size_t size, unsigned flags); - extern asmlinkage long sys_recvfrom(int fd, void __user * ubuf, size_t size, unsigned flags, - struct sockaddr __user *addr, int __user *addr_len); - extern asmlinkage long sys_shutdown(int fd, int how); - extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen); - extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen); - extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags); - extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags); - - - if(call<1||call>SYS_RECVMSG) - return -EINVAL; - - /* copy_from_user should be SMP safe. */ - if (copy_from_user(a, args32, socketcall_nargs[call])) - return -EFAULT; - - a0=a[0]; - a1=a[1]; - - switch(call) - { - case SYS_SOCKET: - err = sys_socket(a0,a1,a[2]); - break; - case SYS_BIND: - err = sys_bind(a0,(struct sockaddr __user *)A(a1), a[2]); - break; - case SYS_CONNECT: - err = sys_connect(a0, (struct sockaddr __user *)A(a1), a[2]); - break; - case SYS_LISTEN: - err = sys_listen(a0,a1); - break; - case SYS_ACCEPT: - err = sys_accept(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_GETSOCKNAME: - err = sys_getsockname(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_GETPEERNAME: - err = sys_getpeername(a0, (struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_SOCKETPAIR: - err = sys_socketpair(a0,a1, a[2], (int __user *)A(a[3])); - break; - case SYS_SEND: - err = sys_send(a0, (void __user *)A(a1), a[2], a[3]); - break; - case SYS_SENDTO: - err = sys_sendto(a0,(void __user *)A(a1), a[2], a[3], - (struct sockaddr __user *)A(a[4]), a[5]); - break; - case SYS_RECV: - err = sys_recv(a0, (void __user *)A(a1), a[2], a[3]); - break; - case SYS_RECVFROM: - err = sys_recvfrom(a0, (void __user *)A(a1), a[2], a[3], - (struct sockaddr __user *)A(a[4]), (int __user *)A(a[5])); - break; - case SYS_SHUTDOWN: - err = sys_shutdown(a0,a1); - break; - case SYS_SETSOCKOPT: - err = sys_setsockopt(a0, a1, a[2], (char __user *)A(a[3]), a[4]); - break; - case SYS_GETSOCKOPT: - err = sys_getsockopt(a0, a1, a[2], (char __user *)A(a[3]), (int __user *)A(a[4])); - break; - case SYS_SENDMSG: - err = sys_sendmsg(a0, (struct msghdr __user *) A(a1), a[2]); - break; - case SYS_RECVMSG: - err = sys_recvmsg(a0, (struct msghdr __user *) A(a1), a[2]); - break; - default: - err = -EINVAL; - break; - } - return err; -} - -struct sigevent32 { - u32 sigev_value; - u32 sigev_signo; - u32 sigev_notify; - u32 payload[(64 / 4) - 3]; -}; - -extern asmlinkage long -sys_timer_create(clockid_t which_clock, - struct sigevent __user *timer_event_spec, - timer_t __user * created_timer_id); - -long -sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id) -{ - struct sigevent __user *p = NULL; - if (se32) { - struct sigevent se; - p = compat_alloc_user_space(sizeof(struct sigevent)); - memset(&se, 0, sizeof(struct sigevent)); - if (get_user(se.sigev_value.sival_int, &se32->sigev_value) || - __get_user(se.sigev_signo, &se32->sigev_signo) || - __get_user(se.sigev_notify, &se32->sigev_notify) || - __copy_from_user(&se._sigev_un._pad, &se32->payload, - sizeof(se32->payload)) || - copy_to_user(p, &se, sizeof(se))) - return -EFAULT; - } - return sys_timer_create(clock, p, timer_id); -} - save_static_function(sys32_clone); __attribute_used__ noinline static int _sys32_clone(nabi_no_regargs struct pt_regs regs) diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 2ceda4644a4..f17e31e3bff 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -340,7 +340,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_statfs64 PTR compat_sys_fstatfs64 PTR sys_sendfile64 - PTR sys32_timer_create /* 6220 */ + PTR compat_sys_timer_create /* 6220 */ PTR compat_sys_timer_settime PTR compat_sys_timer_gettime PTR sys_timer_getoverrun @@ -361,7 +361,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_mq_notify PTR compat_sys_mq_getsetattr PTR sys_ni_syscall /* 6240, sys_vserver */ - PTR sysn32_waitid + PTR compat_sys_waitid PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key PTR sys_request_key diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index bcc42489dc3..142c9b70c02 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -307,7 +307,7 @@ sys_call_table: PTR compat_sys_statfs PTR compat_sys_fstatfs /* 4100 */ PTR sys_ni_syscall /* sys_ioperm */ - PTR sys32_socketcall + PTR compat_sys_socketcall PTR sys_syslog PTR compat_sys_setitimer PTR compat_sys_getitimer /* 4105 */ @@ -462,7 +462,7 @@ sys_call_table: PTR sys_fadvise64_64 PTR compat_sys_statfs64 /* 4255 */ PTR compat_sys_fstatfs64 - PTR sys32_timer_create + PTR compat_sys_timer_create PTR compat_sys_timer_settime PTR compat_sys_timer_gettime PTR sys_timer_getoverrun /* 4260 */ diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 11ab222a2e9..4975da0bfb6 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -525,6 +525,14 @@ void __init setup_arch(char **cmdline_p) { cpu_probe(); prom_init(); + +#ifdef CONFIG_EARLY_PRINTK + { + extern void setup_early_printk(void); + + setup_early_printk(); + } +#endif cpu_report(); #if defined(CONFIG_VT) |