diff options
Diffstat (limited to 'arch/cris/kernel')
-rw-r--r-- | arch/cris/kernel/asm-offsets.c | 1 | ||||
-rw-r--r-- | arch/cris/kernel/irq.c | 7 | ||||
-rw-r--r-- | arch/cris/kernel/module.c | 1 | ||||
-rw-r--r-- | arch/cris/kernel/profile.c | 1 | ||||
-rw-r--r-- | arch/cris/kernel/sys_cris.c | 124 | ||||
-rw-r--r-- | arch/cris/kernel/time.c | 68 | ||||
-rw-r--r-- | arch/cris/kernel/vmlinux.lds.S | 1 |
7 files changed, 9 insertions, 194 deletions
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c index ddd6fbbe75de..dd7b8e983221 100644 --- a/arch/cris/kernel/asm-offsets.c +++ b/arch/cris/kernel/asm-offsets.c | |||
@@ -1,6 +1,5 @@ | |||
1 | #include <linux/sched.h> | 1 | #include <linux/sched.h> |
2 | #include <asm/thread_info.h> | 2 | #include <asm/thread_info.h> |
3 | #include <linux/autoconf.h> | ||
4 | 3 | ||
5 | /* | 4 | /* |
6 | * Generate definitions needed by assembly language modules. | 5 | * Generate definitions needed by assembly language modules. |
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c index 0ca7d9892cc6..469f7f9d62e0 100644 --- a/arch/cris/kernel/irq.c +++ b/arch/cris/kernel/irq.c | |||
@@ -29,7 +29,6 @@ | |||
29 | #include <linux/ioport.h> | 29 | #include <linux/ioport.h> |
30 | #include <linux/interrupt.h> | 30 | #include <linux/interrupt.h> |
31 | #include <linux/timex.h> | 31 | #include <linux/timex.h> |
32 | #include <linux/slab.h> | ||
33 | #include <linux/random.h> | 32 | #include <linux/random.h> |
34 | #include <linux/init.h> | 33 | #include <linux/init.h> |
35 | #include <linux/seq_file.h> | 34 | #include <linux/seq_file.h> |
@@ -52,7 +51,7 @@ int show_interrupts(struct seq_file *p, void *v) | |||
52 | } | 51 | } |
53 | 52 | ||
54 | if (i < NR_IRQS) { | 53 | if (i < NR_IRQS) { |
55 | spin_lock_irqsave(&irq_desc[i].lock, flags); | 54 | raw_spin_lock_irqsave(&irq_desc[i].lock, flags); |
56 | action = irq_desc[i].action; | 55 | action = irq_desc[i].action; |
57 | if (!action) | 56 | if (!action) |
58 | goto skip; | 57 | goto skip; |
@@ -63,7 +62,7 @@ int show_interrupts(struct seq_file *p, void *v) | |||
63 | for_each_online_cpu(j) | 62 | for_each_online_cpu(j) |
64 | seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); | 63 | seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); |
65 | #endif | 64 | #endif |
66 | seq_printf(p, " %14s", irq_desc[i].chip->typename); | 65 | seq_printf(p, " %14s", irq_desc[i].chip->name); |
67 | seq_printf(p, " %s", action->name); | 66 | seq_printf(p, " %s", action->name); |
68 | 67 | ||
69 | for (action=action->next; action; action = action->next) | 68 | for (action=action->next; action; action = action->next) |
@@ -71,7 +70,7 @@ int show_interrupts(struct seq_file *p, void *v) | |||
71 | 70 | ||
72 | seq_putc(p, '\n'); | 71 | seq_putc(p, '\n'); |
73 | skip: | 72 | skip: |
74 | spin_unlock_irqrestore(&irq_desc[i].lock, flags); | 73 | raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); |
75 | } | 74 | } |
76 | return 0; | 75 | return 0; |
77 | } | 76 | } |
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c index abc13e368b90..bcd502f74cda 100644 --- a/arch/cris/kernel/module.c +++ b/arch/cris/kernel/module.c | |||
@@ -21,6 +21,7 @@ | |||
21 | #include <linux/fs.h> | 21 | #include <linux/fs.h> |
22 | #include <linux/string.h> | 22 | #include <linux/string.h> |
23 | #include <linux/kernel.h> | 23 | #include <linux/kernel.h> |
24 | #include <linux/slab.h> | ||
24 | 25 | ||
25 | #if 0 | 26 | #if 0 |
26 | #define DEBUGP printk | 27 | #define DEBUGP printk |
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index 9aa571169bcc..b917549a7d94 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c | |||
@@ -2,6 +2,7 @@ | |||
2 | #include <linux/errno.h> | 2 | #include <linux/errno.h> |
3 | #include <linux/kernel.h> | 3 | #include <linux/kernel.h> |
4 | #include <linux/proc_fs.h> | 4 | #include <linux/proc_fs.h> |
5 | #include <linux/slab.h> | ||
5 | #include <linux/types.h> | 6 | #include <linux/types.h> |
6 | #include <asm/ptrace.h> | 7 | #include <asm/ptrace.h> |
7 | #include <asm/uaccess.h> | 8 | #include <asm/uaccess.h> |
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c index 2ad962c7e88e..7aa036ec78ff 100644 --- a/arch/cris/kernel/sys_cris.c +++ b/arch/cris/kernel/sys_cris.c | |||
@@ -26,130 +26,10 @@ | |||
26 | #include <asm/uaccess.h> | 26 | #include <asm/uaccess.h> |
27 | #include <asm/segment.h> | 27 | #include <asm/segment.h> |
28 | 28 | ||
29 | /* common code for old and new mmaps */ | ||
30 | static inline long | ||
31 | do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, | ||
32 | unsigned long flags, unsigned long fd, unsigned long pgoff) | ||
33 | { | ||
34 | int error = -EBADF; | ||
35 | struct file * file = NULL; | ||
36 | |||
37 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); | ||
38 | if (!(flags & MAP_ANONYMOUS)) { | ||
39 | file = fget(fd); | ||
40 | if (!file) | ||
41 | goto out; | ||
42 | } | ||
43 | |||
44 | down_write(¤t->mm->mmap_sem); | ||
45 | error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); | ||
46 | up_write(¤t->mm->mmap_sem); | ||
47 | |||
48 | if (file) | ||
49 | fput(file); | ||
50 | out: | ||
51 | return error; | ||
52 | } | ||
53 | |||
54 | asmlinkage unsigned long old_mmap(unsigned long __user *args) | ||
55 | { | ||
56 | unsigned long buffer[6]; | ||
57 | int err = -EFAULT; | ||
58 | |||
59 | if (copy_from_user(&buffer, args, sizeof(buffer))) | ||
60 | goto out; | ||
61 | |||
62 | err = -EINVAL; | ||
63 | if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */ | ||
64 | goto out; | ||
65 | |||
66 | err = do_mmap2(buffer[0], buffer[1], buffer[2], buffer[3], | ||
67 | buffer[4], buffer[5] >> PAGE_SHIFT); | ||
68 | out: | ||
69 | return err; | ||
70 | } | ||
71 | |||
72 | asmlinkage long | 29 | asmlinkage long |
73 | sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, | 30 | sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, |
74 | unsigned long flags, unsigned long fd, unsigned long pgoff) | 31 | unsigned long flags, unsigned long fd, unsigned long pgoff) |
75 | { | 32 | { |
76 | return do_mmap2(addr, len, prot, flags, fd, pgoff); | 33 | /* bug(?): 8Kb pages here */ |
77 | } | 34 | return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); |
78 | |||
79 | /* | ||
80 | * sys_ipc() is the de-multiplexer for the SysV IPC calls.. | ||
81 | * | ||
82 | * This is really horribly ugly. (same as arch/i386) | ||
83 | */ | ||
84 | |||
85 | asmlinkage int sys_ipc (uint call, int first, int second, | ||
86 | int third, void __user *ptr, long fifth) | ||
87 | { | ||
88 | int version, ret; | ||
89 | |||
90 | version = call >> 16; /* hack for backward compatibility */ | ||
91 | call &= 0xffff; | ||
92 | |||
93 | switch (call) { | ||
94 | case SEMOP: | ||
95 | return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL); | ||
96 | case SEMTIMEDOP: | ||
97 | return sys_semtimedop(first, (struct sembuf __user *)ptr, second, | ||
98 | (const struct timespec __user *)fifth); | ||
99 | |||
100 | case SEMGET: | ||
101 | return sys_semget (first, second, third); | ||
102 | case SEMCTL: { | ||
103 | union semun fourth; | ||
104 | if (!ptr) | ||
105 | return -EINVAL; | ||
106 | if (get_user(fourth.__pad, (void * __user *) ptr)) | ||
107 | return -EFAULT; | ||
108 | return sys_semctl (first, second, third, fourth); | ||
109 | } | ||
110 | |||
111 | case MSGSND: | ||
112 | return sys_msgsnd (first, (struct msgbuf __user *) ptr, | ||
113 | second, third); | ||
114 | case MSGRCV: | ||
115 | switch (version) { | ||
116 | case 0: { | ||
117 | struct ipc_kludge tmp; | ||
118 | if (!ptr) | ||
119 | return -EINVAL; | ||
120 | |||
121 | if (copy_from_user(&tmp, | ||
122 | (struct ipc_kludge __user *) ptr, | ||
123 | sizeof (tmp))) | ||
124 | return -EFAULT; | ||
125 | return sys_msgrcv (first, tmp.msgp, second, | ||
126 | tmp.msgtyp, third); | ||
127 | } | ||
128 | default: | ||
129 | return sys_msgrcv (first, | ||
130 | (struct msgbuf __user *) ptr, | ||
131 | second, fifth, third); | ||
132 | } | ||
133 | case MSGGET: | ||
134 | return sys_msgget ((key_t) first, second); | ||
135 | case MSGCTL: | ||
136 | return sys_msgctl (first, second, (struct msqid_ds __user *) ptr); | ||
137 | |||
138 | case SHMAT: { | ||
139 | ulong raddr; | ||
140 | ret = do_shmat (first, (char __user *) ptr, second, &raddr); | ||
141 | if (ret) | ||
142 | return ret; | ||
143 | return put_user (raddr, (ulong __user *) third); | ||
144 | } | ||
145 | case SHMDT: | ||
146 | return sys_shmdt ((char __user *)ptr); | ||
147 | case SHMGET: | ||
148 | return sys_shmget (first, second, third); | ||
149 | case SHMCTL: | ||
150 | return sys_shmctl (first, second, | ||
151 | (struct shmid_ds __user *) ptr); | ||
152 | default: | ||
153 | return -ENOSYS; | ||
154 | } | ||
155 | } | 35 | } |
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index 074fe7dea96b..a05dd31f3efb 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c | |||
@@ -42,75 +42,11 @@ unsigned long loops_per_usec; | |||
42 | extern unsigned long do_slow_gettimeoffset(void); | 42 | extern unsigned long do_slow_gettimeoffset(void); |
43 | static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset; | 43 | static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset; |
44 | 44 | ||
45 | /* | 45 | u32 arch_gettimeoffset(void) |
46 | * This version of gettimeofday has near microsecond resolution. | ||
47 | * | ||
48 | * Note: Division is quite slow on CRIS and do_gettimeofday is called | ||
49 | * rather often. Maybe we should do some kind of approximation here | ||
50 | * (a naive approximation would be to divide by 1024). | ||
51 | */ | ||
52 | void do_gettimeofday(struct timeval *tv) | ||
53 | { | ||
54 | unsigned long flags; | ||
55 | signed long usec, sec; | ||
56 | local_irq_save(flags); | ||
57 | usec = do_gettimeoffset(); | ||
58 | |||
59 | /* | ||
60 | * If time_adjust is negative then NTP is slowing the clock | ||
61 | * so make sure not to go into next possible interval. | ||
62 | * Better to lose some accuracy than have time go backwards.. | ||
63 | */ | ||
64 | if (unlikely(time_adjust < 0) && usec > tickadj) | ||
65 | usec = tickadj; | ||
66 | |||
67 | sec = xtime.tv_sec; | ||
68 | usec += xtime.tv_nsec / 1000; | ||
69 | local_irq_restore(flags); | ||
70 | |||
71 | while (usec >= 1000000) { | ||
72 | usec -= 1000000; | ||
73 | sec++; | ||
74 | } | ||
75 | |||
76 | tv->tv_sec = sec; | ||
77 | tv->tv_usec = usec; | ||
78 | } | ||
79 | |||
80 | EXPORT_SYMBOL(do_gettimeofday); | ||
81 | |||
82 | int do_settimeofday(struct timespec *tv) | ||
83 | { | 46 | { |
84 | time_t wtm_sec, sec = tv->tv_sec; | 47 | return do_gettimeoffset() * 1000; |
85 | long wtm_nsec, nsec = tv->tv_nsec; | ||
86 | |||
87 | if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) | ||
88 | return -EINVAL; | ||
89 | |||
90 | write_seqlock_irq(&xtime_lock); | ||
91 | /* | ||
92 | * This is revolting. We need to set "xtime" correctly. However, the | ||
93 | * value in this location is the value at the most recent update of | ||
94 | * wall time. Discover what correction gettimeofday() would have | ||
95 | * made, and then undo it! | ||
96 | */ | ||
97 | nsec -= do_gettimeoffset() * NSEC_PER_USEC; | ||
98 | |||
99 | wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); | ||
100 | wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); | ||
101 | |||
102 | set_normalized_timespec(&xtime, sec, nsec); | ||
103 | set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); | ||
104 | |||
105 | ntp_clear(); | ||
106 | write_sequnlock_irq(&xtime_lock); | ||
107 | clock_was_set(); | ||
108 | return 0; | ||
109 | } | 48 | } |
110 | 49 | ||
111 | EXPORT_SYMBOL(do_settimeofday); | ||
112 | |||
113 | |||
114 | /* | 50 | /* |
115 | * BUG: This routine does not handle hour overflow properly; it just | 51 | * BUG: This routine does not handle hour overflow properly; it just |
116 | * sets the minutes. Usually you'll only notice that after reboot! | 52 | * sets the minutes. Usually you'll only notice that after reboot! |
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S index bbfda67d2907..d49d17d2a14f 100644 --- a/arch/cris/kernel/vmlinux.lds.S +++ b/arch/cris/kernel/vmlinux.lds.S | |||
@@ -8,7 +8,6 @@ | |||
8 | * the kernel has booted. | 8 | * the kernel has booted. |
9 | */ | 9 | */ |
10 | 10 | ||
11 | #include <linux/autoconf.h> | ||
12 | #include <asm-generic/vmlinux.lds.h> | 11 | #include <asm-generic/vmlinux.lds.h> |
13 | #include <asm/page.h> | 12 | #include <asm/page.h> |
14 | 13 | ||