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-rw-r--r--arch/frv/include/asm/auxvec.h4
-rw-r--r--arch/frv/include/asm/bitsperlong.h1
-rw-r--r--arch/frv/include/asm/byteorder.h6
-rw-r--r--arch/frv/include/asm/cpumask.h6
-rw-r--r--arch/frv/include/asm/errno.h7
-rw-r--r--arch/frv/include/asm/fcntl.h1
-rw-r--r--arch/frv/include/asm/ioctl.h1
-rw-r--r--arch/frv/include/asm/ioctls.h10
-rw-r--r--arch/frv/include/asm/ipcbuf.h30
-rw-r--r--arch/frv/include/asm/mman.h1
-rw-r--r--arch/frv/include/asm/msgbuf.h32
-rw-r--r--arch/frv/include/asm/param.h22
-rw-r--r--arch/frv/include/asm/poll.h12
-rw-r--r--arch/frv/include/asm/posix_types.h62
-rw-r--r--arch/frv/include/asm/registers.h232
-rw-r--r--arch/frv/include/asm/resource.h7
-rw-r--r--arch/frv/include/asm/sembuf.h26
-rw-r--r--arch/frv/include/asm/shmbuf.h43
-rw-r--r--arch/frv/include/asm/sigcontext.h26
-rw-r--r--arch/frv/include/asm/siginfo.h12
-rw-r--r--arch/frv/include/asm/socket.h66
-rw-r--r--arch/frv/include/asm/sockios.h14
-rw-r--r--arch/frv/include/asm/stat.h100
-rw-r--r--arch/frv/include/asm/statfs.h7
-rw-r--r--arch/frv/include/asm/swab.h10
-rw-r--r--arch/frv/include/asm/system.h158
-rw-r--r--arch/frv/include/asm/termbits.h203
-rw-r--r--arch/frv/kernel/init_task.c32
-rw-r--r--arch/frv/kernel/kernel_execve.S33
-rw-r--r--arch/frv/kernel/kernel_thread.S77
-rw-r--r--arch/frv/mb93090-mb00/pci-iomap.c29
31 files changed, 1270 insertions, 0 deletions
diff --git a/arch/frv/include/asm/auxvec.h b/arch/frv/include/asm/auxvec.h
new file mode 100644
index 00000000000..07710778fa1
--- /dev/null
+++ b/arch/frv/include/asm/auxvec.h
@@ -0,0 +1,4 @@
1#ifndef __FRV_AUXVEC_H
2#define __FRV_AUXVEC_H
3
4#endif
diff --git a/arch/frv/include/asm/bitsperlong.h b/arch/frv/include/asm/bitsperlong.h
new file mode 100644
index 00000000000..6dc0bb0c13b
--- /dev/null
+++ b/arch/frv/include/asm/bitsperlong.h
@@ -0,0 +1 @@
#include <asm-generic/bitsperlong.h>
diff --git a/arch/frv/include/asm/byteorder.h b/arch/frv/include/asm/byteorder.h
new file mode 100644
index 00000000000..f29b7593e08
--- /dev/null
+++ b/arch/frv/include/asm/byteorder.h
@@ -0,0 +1,6 @@
1#ifndef _ASM_BYTEORDER_H
2#define _ASM_BYTEORDER_H
3
4#include <linux/byteorder/big_endian.h>
5
6#endif /* _ASM_BYTEORDER_H */
diff --git a/arch/frv/include/asm/cpumask.h b/arch/frv/include/asm/cpumask.h
new file mode 100644
index 00000000000..d999c20c84d
--- /dev/null
+++ b/arch/frv/include/asm/cpumask.h
@@ -0,0 +1,6 @@
1#ifndef _ASM_CPUMASK_H
2#define _ASM_CPUMASK_H
3
4#include <asm-generic/cpumask.h>
5
6#endif /* _ASM_CPUMASK_H */
diff --git a/arch/frv/include/asm/errno.h b/arch/frv/include/asm/errno.h
new file mode 100644
index 00000000000..d010795ceef
--- /dev/null
+++ b/arch/frv/include/asm/errno.h
@@ -0,0 +1,7 @@
1#ifndef _ASM_ERRNO_H
2#define _ASM_ERRNO_H
3
4#include <asm-generic/errno.h>
5
6#endif /* _ASM_ERRNO_H */
7
diff --git a/arch/frv/include/asm/fcntl.h b/arch/frv/include/asm/fcntl.h
new file mode 100644
index 00000000000..46ab12db573
--- /dev/null
+++ b/arch/frv/include/asm/fcntl.h
@@ -0,0 +1 @@
#include <asm-generic/fcntl.h>
diff --git a/arch/frv/include/asm/ioctl.h b/arch/frv/include/asm/ioctl.h
new file mode 100644
index 00000000000..b279fe06dfe
--- /dev/null
+++ b/arch/frv/include/asm/ioctl.h
@@ -0,0 +1 @@
#include <asm-generic/ioctl.h>
diff --git a/arch/frv/include/asm/ioctls.h b/arch/frv/include/asm/ioctls.h
new file mode 100644
index 00000000000..2f9fb436ec3
--- /dev/null
+++ b/arch/frv/include/asm/ioctls.h
@@ -0,0 +1,10 @@
1#ifndef __ASM_IOCTLS_H__
2#define __ASM_IOCTLS_H__
3
4#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */
5#define FIOQSIZE 0x545E
6
7#include <asm-generic/ioctls.h>
8
9#endif /* __ASM_IOCTLS_H__ */
10
diff --git a/arch/frv/include/asm/ipcbuf.h b/arch/frv/include/asm/ipcbuf.h
new file mode 100644
index 00000000000..b546f67e455
--- /dev/null
+++ b/arch/frv/include/asm/ipcbuf.h
@@ -0,0 +1,30 @@
1#ifndef __ASM_IPCBUF_H__
2#define __ASM_IPCBUF_H__
3
4/*
5 * The user_ipc_perm structure for FR-V architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 32-bit mode_t and seq
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct ipc64_perm
15{
16 __kernel_key_t key;
17 __kernel_uid32_t uid;
18 __kernel_gid32_t gid;
19 __kernel_uid32_t cuid;
20 __kernel_gid32_t cgid;
21 __kernel_mode_t mode;
22 unsigned short __pad1;
23 unsigned short seq;
24 unsigned short __pad2;
25 unsigned long __unused1;
26 unsigned long __unused2;
27};
28
29#endif /* __ASM_IPCBUF_H__ */
30
diff --git a/arch/frv/include/asm/mman.h b/arch/frv/include/asm/mman.h
new file mode 100644
index 00000000000..8eebf89f5ab
--- /dev/null
+++ b/arch/frv/include/asm/mman.h
@@ -0,0 +1 @@
#include <asm-generic/mman.h>
diff --git a/arch/frv/include/asm/msgbuf.h b/arch/frv/include/asm/msgbuf.h
new file mode 100644
index 00000000000..97ceb55a06f
--- /dev/null
+++ b/arch/frv/include/asm/msgbuf.h
@@ -0,0 +1,32 @@
1#ifndef _ASM_MSGBUF_H
2#define _ASM_MSGBUF_H
3
4/*
5 * The msqid64_ds structure for FR-V architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct msqid64_ds {
15 struct ipc64_perm msg_perm;
16 __kernel_time_t msg_stime; /* last msgsnd time */
17 unsigned long __unused1;
18 __kernel_time_t msg_rtime; /* last msgrcv time */
19 unsigned long __unused2;
20 __kernel_time_t msg_ctime; /* last change time */
21 unsigned long __unused3;
22 unsigned long msg_cbytes; /* current number of bytes on queue */
23 unsigned long msg_qnum; /* number of messages in queue */
24 unsigned long msg_qbytes; /* max number of bytes on queue */
25 __kernel_pid_t msg_lspid; /* pid of last msgsnd */
26 __kernel_pid_t msg_lrpid; /* last receive pid */
27 unsigned long __unused4;
28 unsigned long __unused5;
29};
30
31#endif /* _ASM_MSGBUF_H */
32
diff --git a/arch/frv/include/asm/param.h b/arch/frv/include/asm/param.h
new file mode 100644
index 00000000000..6859dd503ed
--- /dev/null
+++ b/arch/frv/include/asm/param.h
@@ -0,0 +1,22 @@
1#ifndef _ASM_PARAM_H
2#define _ASM_PARAM_H
3
4#ifdef __KERNEL__
5#define HZ CONFIG_HZ /* Internal kernel timer frequency */
6#define USER_HZ 100 /* .. some user interfaces are in "ticks" */
7#define CLOCKS_PER_SEC (USER_HZ) /* like times() */
8#endif
9
10#ifndef HZ
11#define HZ 100
12#endif
13
14#define EXEC_PAGESIZE 16384
15
16#ifndef NOGROUP
17#define NOGROUP (-1)
18#endif
19
20#define MAXHOSTNAMELEN 64 /* max length of hostname */
21
22#endif /* _ASM_PARAM_H */
diff --git a/arch/frv/include/asm/poll.h b/arch/frv/include/asm/poll.h
new file mode 100644
index 00000000000..0d01479ccc5
--- /dev/null
+++ b/arch/frv/include/asm/poll.h
@@ -0,0 +1,12 @@
1#ifndef _ASM_POLL_H
2#define _ASM_POLL_H
3
4#define POLLWRNORM POLLOUT
5#define POLLWRBAND 256
6
7#include <asm-generic/poll.h>
8
9#undef POLLREMOVE
10
11#endif
12
diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h
new file mode 100644
index 00000000000..a9f1f5be063
--- /dev/null
+++ b/arch/frv/include/asm/posix_types.h
@@ -0,0 +1,62 @@
1#ifndef _ASM_POSIX_TYPES_H
2#define _ASM_POSIX_TYPES_H
3
4/*
5 * This file is generally used by user-level software, so you need to
6 * be a little careful about namespace pollution etc. Also, we cannot
7 * assume GCC is being used.
8 */
9
10typedef unsigned long __kernel_ino_t;
11typedef unsigned short __kernel_mode_t;
12typedef unsigned short __kernel_nlink_t;
13typedef long __kernel_off_t;
14typedef int __kernel_pid_t;
15typedef unsigned short __kernel_ipc_pid_t;
16typedef unsigned short __kernel_uid_t;
17typedef unsigned short __kernel_gid_t;
18typedef unsigned int __kernel_size_t;
19typedef int __kernel_ssize_t;
20typedef int __kernel_ptrdiff_t;
21typedef long __kernel_time_t;
22typedef long __kernel_suseconds_t;
23typedef long __kernel_clock_t;
24typedef int __kernel_timer_t;
25typedef int __kernel_clockid_t;
26typedef int __kernel_daddr_t;
27typedef char * __kernel_caddr_t;
28typedef unsigned short __kernel_uid16_t;
29typedef unsigned short __kernel_gid16_t;
30typedef unsigned int __kernel_uid32_t;
31typedef unsigned int __kernel_gid32_t;
32
33typedef unsigned short __kernel_old_uid_t;
34typedef unsigned short __kernel_old_gid_t;
35typedef unsigned short __kernel_old_dev_t;
36
37#ifdef __GNUC__
38typedef long long __kernel_loff_t;
39#endif
40
41typedef struct {
42 int val[2];
43} __kernel_fsid_t;
44
45#if defined(__KERNEL__)
46
47#undef __FD_SET
48#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
49
50#undef __FD_CLR
51#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
52
53#undef __FD_ISSET
54#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d)))
55
56#undef __FD_ZERO
57#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
58
59#endif /* defined(__KERNEL__) */
60
61#endif
62
diff --git a/arch/frv/include/asm/registers.h b/arch/frv/include/asm/registers.h
new file mode 100644
index 00000000000..9666119fcf6
--- /dev/null
+++ b/arch/frv/include/asm/registers.h
@@ -0,0 +1,232 @@
1/* registers.h: register frame declarations
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12/*
13 * notes:
14 *
15 * (1) that the members of all these structures are carefully aligned to permit
16 * usage of STD/STDF instructions
17 *
18 * (2) if you change these structures, you must change the code in
19 * arch/frvnommu/kernel/{break.S,entry.S,switch_to.S,gdb-stub.c}
20 *
21 *
22 * the kernel stack space block looks like this:
23 *
24 * +0x2000 +----------------------
25 * | union {
26 * | struct frv_frame0 {
27 * | struct user_context {
28 * | struct user_int_regs
29 * | struct user_fpmedia_regs
30 * | }
31 * | struct frv_debug_regs
32 * | }
33 * | struct pt_regs [user exception]
34 * | }
35 * +---------------------- <-- __kernel_frame0_ptr (maybe GR28)
36 * |
37 * | kernel stack
38 * |
39 * |......................
40 * | struct pt_regs [kernel exception]
41 * |...................... <-- __kernel_frame0_ptr (maybe GR28)
42 * |
43 * | kernel stack
44 * |
45 * |...................... <-- stack pointer (GR1)
46 * |
47 * | unused stack space
48 * |
49 * +----------------------
50 * | struct thread_info
51 * +0x0000 +---------------------- <-- __current_thread_info (GR15);
52 *
53 * note that GR28 points to the current exception frame
54 */
55
56#ifndef _ASM_REGISTERS_H
57#define _ASM_REGISTERS_H
58
59#ifndef __ASSEMBLY__
60#define __OFFSET(X,N) ((X)+(N)*4)
61#define __OFFSETC(X,N) xxxxxxxxxxxxxxxxxxxxxxxx
62#else
63#define __OFFSET(X,N) ((X)+(N)*4)
64#define __OFFSETC(X,N) ((X)+(N))
65#endif
66
67/*****************************************************************************/
68/*
69 * Exception/Interrupt frame
70 * - held on kernel stack
71 * - 8-byte aligned on stack (old SP is saved in frame)
72 * - GR0 is fixed 0, so we don't save it
73 */
74#ifndef __ASSEMBLY__
75
76struct pt_regs {
77 unsigned long psr; /* Processor Status Register */
78 unsigned long isr; /* Integer Status Register */
79 unsigned long ccr; /* Condition Code Register */
80 unsigned long cccr; /* Condition Code for Conditional Insns Register */
81 unsigned long lr; /* Link Register */
82 unsigned long lcr; /* Loop Count Register */
83 unsigned long pc; /* Program Counter Register */
84 unsigned long __status; /* exception status */
85 unsigned long syscallno; /* syscall number or -1 */
86 unsigned long orig_gr8; /* original syscall arg #1 */
87 unsigned long gner0;
88 unsigned long gner1;
89 unsigned long long iacc0;
90 unsigned long tbr; /* GR0 is fixed zero, so we use this for TBR */
91 unsigned long sp; /* GR1: USP/KSP */
92 unsigned long fp; /* GR2: FP */
93 unsigned long gr3;
94 unsigned long gr4;
95 unsigned long gr5;
96 unsigned long gr6;
97 unsigned long gr7; /* syscall number */
98 unsigned long gr8; /* 1st syscall param; syscall return */
99 unsigned long gr9; /* 2nd syscall param */
100 unsigned long gr10; /* 3rd syscall param */
101 unsigned long gr11; /* 4th syscall param */
102 unsigned long gr12; /* 5th syscall param */
103 unsigned long gr13; /* 6th syscall param */
104 unsigned long gr14;
105 unsigned long gr15;
106 unsigned long gr16; /* GP pointer */
107 unsigned long gr17; /* small data */
108 unsigned long gr18; /* PIC/PID */
109 unsigned long gr19;
110 unsigned long gr20;
111 unsigned long gr21;
112 unsigned long gr22;
113 unsigned long gr23;
114 unsigned long gr24;
115 unsigned long gr25;
116 unsigned long gr26;
117 unsigned long gr27;
118 struct pt_regs *next_frame; /* GR28 - next exception frame */
119 unsigned long gr29; /* GR29 - OS reserved */
120 unsigned long gr30; /* GR30 - OS reserved */
121 unsigned long gr31; /* GR31 - OS reserved */
122} __attribute__((aligned(8)));
123
124#endif
125
126#define REG__STATUS_STEP 0x00000001 /* - reenable single stepping on return */
127#define REG__STATUS_STEPPED 0x00000002 /* - single step caused exception */
128#define REG__STATUS_BROKE 0x00000004 /* - BREAK insn caused exception */
129#define REG__STATUS_SYSC_ENTRY 0x40000000 /* - T on syscall entry (ptrace.c only) */
130#define REG__STATUS_SYSC_EXIT 0x80000000 /* - T on syscall exit (ptrace.c only) */
131
132#define REG_GR(R) __OFFSET(REG_GR0, (R))
133
134#define REG_SP REG_GR(1)
135#define REG_FP REG_GR(2)
136#define REG_PREV_FRAME REG_GR(28) /* previous exception frame pointer (old gr28 value) */
137#define REG_CURR_TASK REG_GR(29) /* current task */
138
139/*****************************************************************************/
140/*
141 * debugging registers
142 */
143#ifndef __ASSEMBLY__
144
145struct frv_debug_regs
146{
147 unsigned long dcr;
148 unsigned long ibar[4] __attribute__((aligned(8)));
149 unsigned long dbar[4] __attribute__((aligned(8)));
150 unsigned long dbdr[4][4] __attribute__((aligned(8)));
151 unsigned long dbmr[4][4] __attribute__((aligned(8)));
152} __attribute__((aligned(8)));
153
154#endif
155
156/*****************************************************************************/
157/*
158 * userspace registers
159 */
160#ifndef __ASSEMBLY__
161
162struct user_int_regs
163{
164 /* integer registers
165 * - up to gr[31] mirror pt_regs
166 * - total size must be multiple of 8 bytes
167 */
168 unsigned long psr; /* Processor Status Register */
169 unsigned long isr; /* Integer Status Register */
170 unsigned long ccr; /* Condition Code Register */
171 unsigned long cccr; /* Condition Code for Conditional Insns Register */
172 unsigned long lr; /* Link Register */
173 unsigned long lcr; /* Loop Count Register */
174 unsigned long pc; /* Program Counter Register */
175 unsigned long __status; /* exception status */
176 unsigned long syscallno; /* syscall number or -1 */
177 unsigned long orig_gr8; /* original syscall arg #1 */
178 unsigned long gner[2];
179 unsigned long long iacc[1];
180
181 union {
182 unsigned long tbr;
183 unsigned long gr[64];
184 };
185};
186
187struct user_fpmedia_regs
188{
189 /* FP/Media registers */
190 unsigned long fr[64];
191 unsigned long fner[2];
192 unsigned long msr[2];
193 unsigned long acc[8];
194 unsigned char accg[8];
195 unsigned long fsr[1];
196};
197
198struct user_context
199{
200 struct user_int_regs i;
201 struct user_fpmedia_regs f;
202
203 /* we provide a context extension so that we can save the regs for CPUs that
204 * implement many more of Fujitsu's lavish register spec
205 */
206 void *extension;
207} __attribute__((aligned(8)));
208
209struct frv_frame0 {
210 union {
211 struct pt_regs regs;
212 struct user_context uc;
213 };
214
215 struct frv_debug_regs debug;
216
217} __attribute__((aligned(32)));
218
219#endif
220
221#define __INT_GR(R) __OFFSET(__INT_GR0, (R))
222
223#define __FPMEDIA_FR(R) __OFFSET(__FPMEDIA_FR0, (R))
224#define __FPMEDIA_FNER(R) __OFFSET(__FPMEDIA_FNER0, (R))
225#define __FPMEDIA_MSR(R) __OFFSET(__FPMEDIA_MSR0, (R))
226#define __FPMEDIA_ACC(R) __OFFSET(__FPMEDIA_ACC0, (R))
227#define __FPMEDIA_ACCG(R) __OFFSETC(__FPMEDIA_ACCG0, (R))
228#define __FPMEDIA_FSR(R) __OFFSET(__FPMEDIA_FSR0, (R))
229
230#define __THREAD_GR(R) __OFFSET(__THREAD_GR16, (R) - 16)
231
232#endif /* _ASM_REGISTERS_H */
diff --git a/arch/frv/include/asm/resource.h b/arch/frv/include/asm/resource.h
new file mode 100644
index 00000000000..5fc60548fd0
--- /dev/null
+++ b/arch/frv/include/asm/resource.h
@@ -0,0 +1,7 @@
1#ifndef _ASM_RESOURCE_H
2#define _ASM_RESOURCE_H
3
4#include <asm-generic/resource.h>
5
6#endif /* _ASM_RESOURCE_H */
7
diff --git a/arch/frv/include/asm/sembuf.h b/arch/frv/include/asm/sembuf.h
new file mode 100644
index 00000000000..164b12786d6
--- /dev/null
+++ b/arch/frv/include/asm/sembuf.h
@@ -0,0 +1,26 @@
1#ifndef _ASM_SEMBUF_H
2#define _ASM_SEMBUF_H
3
4/*
5 * The semid64_ds structure for FR-V architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct semid64_ds {
15 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
16 __kernel_time_t sem_otime; /* last semop time */
17 unsigned long __unused1;
18 __kernel_time_t sem_ctime; /* last change time */
19 unsigned long __unused2;
20 unsigned long sem_nsems; /* no. of semaphores in array */
21 unsigned long __unused3;
22 unsigned long __unused4;
23};
24
25#endif /* _ASM_SEMBUF_H */
26
diff --git a/arch/frv/include/asm/shmbuf.h b/arch/frv/include/asm/shmbuf.h
new file mode 100644
index 00000000000..4c6e711a477
--- /dev/null
+++ b/arch/frv/include/asm/shmbuf.h
@@ -0,0 +1,43 @@
1#ifndef _ASM_SHMBUF_H
2#define _ASM_SHMBUF_H
3
4/*
5 * The shmid64_ds structure for FR-V architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct shmid64_ds {
15 struct ipc64_perm shm_perm; /* operation perms */
16 size_t shm_segsz; /* size of segment (bytes) */
17 __kernel_time_t shm_atime; /* last attach time */
18 unsigned long __unused1;
19 __kernel_time_t shm_dtime; /* last detach time */
20 unsigned long __unused2;
21 __kernel_time_t shm_ctime; /* last change time */
22 unsigned long __unused3;
23 __kernel_pid_t shm_cpid; /* pid of creator */
24 __kernel_pid_t shm_lpid; /* pid of last operator */
25 unsigned long shm_nattch; /* no. of current attaches */
26 unsigned long __unused4;
27 unsigned long __unused5;
28};
29
30struct shminfo64 {
31 unsigned long shmmax;
32 unsigned long shmmin;
33 unsigned long shmmni;
34 unsigned long shmseg;
35 unsigned long shmall;
36 unsigned long __unused1;
37 unsigned long __unused2;
38 unsigned long __unused3;
39 unsigned long __unused4;
40};
41
42#endif /* _ASM_SHMBUF_H */
43
diff --git a/arch/frv/include/asm/sigcontext.h b/arch/frv/include/asm/sigcontext.h
new file mode 100644
index 00000000000..3b263f3cc96
--- /dev/null
+++ b/arch/frv/include/asm/sigcontext.h
@@ -0,0 +1,26 @@
1/* sigcontext.h: FRV signal context
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11#ifndef _ASM_SIGCONTEXT_H
12#define _ASM_SIGCONTEXT_H
13
14#include <asm/registers.h>
15
16/*
17 * Signal context structure - contains all info to do with the state
18 * before the signal handler was invoked. Note: only add new entries
19 * to the end of the structure.
20 */
21struct sigcontext {
22 struct user_context sc_context;
23 unsigned long sc_oldmask; /* old sigmask */
24} __attribute__((aligned(8)));
25
26#endif
diff --git a/arch/frv/include/asm/siginfo.h b/arch/frv/include/asm/siginfo.h
new file mode 100644
index 00000000000..d3fd1ca4565
--- /dev/null
+++ b/arch/frv/include/asm/siginfo.h
@@ -0,0 +1,12 @@
1#ifndef _ASM_SIGINFO_H
2#define _ASM_SIGINFO_H
3
4#include <linux/types.h>
5#include <asm-generic/siginfo.h>
6
7#define FPE_MDAOVF (__SI_FAULT|9) /* media overflow */
8#undef NSIGFPE
9#define NSIGFPE 9
10
11#endif
12
diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/asm/socket.h
new file mode 100644
index 00000000000..a6b26880c1e
--- /dev/null
+++ b/arch/frv/include/asm/socket.h
@@ -0,0 +1,66 @@
1#ifndef _ASM_SOCKET_H
2#define _ASM_SOCKET_H
3
4#include <asm/sockios.h>
5
6/* For setsockopt(2) */
7#define SOL_SOCKET 1
8
9#define SO_DEBUG 1
10#define SO_REUSEADDR 2
11#define SO_TYPE 3
12#define SO_ERROR 4
13#define SO_DONTROUTE 5
14#define SO_BROADCAST 6
15#define SO_SNDBUF 7
16#define SO_RCVBUF 8
17#define SO_SNDBUFFORCE 32
18#define SO_RCVBUFFORCE 33
19#define SO_KEEPALIVE 9
20#define SO_OOBINLINE 10
21#define SO_NO_CHECK 11
22#define SO_PRIORITY 12
23#define SO_LINGER 13
24#define SO_BSDCOMPAT 14
25/* To add :#define SO_REUSEPORT 15 */
26#define SO_PASSCRED 16
27#define SO_PEERCRED 17
28#define SO_RCVLOWAT 18
29#define SO_SNDLOWAT 19
30#define SO_RCVTIMEO 20
31#define SO_SNDTIMEO 21
32
33/* Security levels - as per NRL IPv6 - don't actually do anything */
34#define SO_SECURITY_AUTHENTICATION 22
35#define SO_SECURITY_ENCRYPTION_TRANSPORT 23
36#define SO_SECURITY_ENCRYPTION_NETWORK 24
37
38#define SO_BINDTODEVICE 25
39
40/* Socket filtering */
41#define SO_ATTACH_FILTER 26
42#define SO_DETACH_FILTER 27
43
44#define SO_PEERNAME 28
45#define SO_TIMESTAMP 29
46#define SCM_TIMESTAMP SO_TIMESTAMP
47
48#define SO_ACCEPTCONN 30
49
50#define SO_PEERSEC 31
51#define SO_PASSSEC 34
52#define SO_TIMESTAMPNS 35
53#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
54
55#define SO_MARK 36
56
57#define SO_TIMESTAMPING 37
58#define SCM_TIMESTAMPING SO_TIMESTAMPING
59
60#define SO_PROTOCOL 38
61#define SO_DOMAIN 39
62
63#define SO_RXQ_OVFL 40
64
65#endif /* _ASM_SOCKET_H */
66
diff --git a/arch/frv/include/asm/sockios.h b/arch/frv/include/asm/sockios.h
new file mode 100644
index 00000000000..5dbdd13e6de
--- /dev/null
+++ b/arch/frv/include/asm/sockios.h
@@ -0,0 +1,14 @@
1#ifndef _ASM_SOCKIOS__
2#define _ASM_SOCKIOS__
3
4/* Socket-level I/O control calls. */
5#define FIOSETOWN 0x8901
6#define SIOCSPGRP 0x8902
7#define FIOGETOWN 0x8903
8#define SIOCGPGRP 0x8904
9#define SIOCATMARK 0x8905
10#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
11#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
12
13#endif /* _ASM_SOCKIOS__ */
14
diff --git a/arch/frv/include/asm/stat.h b/arch/frv/include/asm/stat.h
new file mode 100644
index 00000000000..ce56de9b37b
--- /dev/null
+++ b/arch/frv/include/asm/stat.h
@@ -0,0 +1,100 @@
1#ifndef _ASM_STAT_H
2#define _ASM_STAT_H
3
4struct __old_kernel_stat {
5 unsigned short st_dev;
6 unsigned short st_ino;
7 unsigned short st_mode;
8 unsigned short st_nlink;
9 unsigned short st_uid;
10 unsigned short st_gid;
11 unsigned short st_rdev;
12 unsigned long st_size;
13 unsigned long st_atime;
14 unsigned long st_mtime;
15 unsigned long st_ctime;
16};
17
18/* This matches struct stat in uClibc/glibc. */
19struct stat {
20 unsigned char __pad1[6];
21 unsigned short st_dev;
22
23 unsigned long __pad2;
24 unsigned long st_ino;
25
26 unsigned short __pad3;
27 unsigned short st_mode;
28 unsigned short __pad4;
29 unsigned short st_nlink;
30
31 unsigned short __pad5;
32 unsigned short st_uid;
33 unsigned short __pad6;
34 unsigned short st_gid;
35
36 unsigned char __pad7[6];
37 unsigned short st_rdev;
38
39 unsigned long __pad8;
40 unsigned long st_size;
41
42 unsigned long __pad9; /* align 64-bit st_blocks to 2-word */
43 unsigned long st_blksize;
44
45 unsigned long __pad10; /* future possible st_blocks high bits */
46 unsigned long st_blocks; /* Number 512-byte blocks allocated. */
47
48 unsigned long __unused1;
49 unsigned long st_atime;
50
51 unsigned long __unused2;
52 unsigned long st_mtime;
53
54 unsigned long __unused3;
55 unsigned long st_ctime;
56
57 unsigned long long __unused4;
58};
59
60/* This matches struct stat64 in uClibc/glibc. The layout is exactly
61 the same as that of struct stat above, with 64-bit types taking up
62 space that was formerly used by padding. stat syscalls are still
63 different from stat64, though, in that the former tests for
64 overflow. */
65struct stat64 {
66 unsigned char __pad1[6];
67 unsigned short st_dev;
68
69 unsigned long long st_ino;
70
71 unsigned int st_mode;
72 unsigned int st_nlink;
73
74 unsigned long st_uid;
75 unsigned long st_gid;
76
77 unsigned char __pad2[6];
78 unsigned short st_rdev;
79
80 long long st_size;
81
82 unsigned long __pad3; /* align 64-bit st_blocks to 2-word */
83 unsigned long st_blksize;
84
85 unsigned long __pad4; /* future possible st_blocks high bits */
86 unsigned long st_blocks; /* Number 512-byte blocks allocated. */
87
88 unsigned long st_atime_nsec;
89 unsigned long st_atime;
90
91 unsigned int st_mtime_nsec;
92 unsigned long st_mtime;
93
94 unsigned long st_ctime_nsec;
95 unsigned long st_ctime;
96
97 unsigned long long __unused4;
98};
99
100#endif /* _ASM_STAT_H */
diff --git a/arch/frv/include/asm/statfs.h b/arch/frv/include/asm/statfs.h
new file mode 100644
index 00000000000..741f586045b
--- /dev/null
+++ b/arch/frv/include/asm/statfs.h
@@ -0,0 +1,7 @@
1#ifndef _ASM_STATFS_H
2#define _ASM_STATFS_H
3
4#include <asm-generic/statfs.h>
5
6#endif /* _ASM_STATFS_H */
7
diff --git a/arch/frv/include/asm/swab.h b/arch/frv/include/asm/swab.h
new file mode 100644
index 00000000000..f305834b479
--- /dev/null
+++ b/arch/frv/include/asm/swab.h
@@ -0,0 +1,10 @@
1#ifndef _ASM_SWAB_H
2#define _ASM_SWAB_H
3
4#include <linux/types.h>
5
6#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
7# define __SWAB_64_THRU_32__
8#endif
9
10#endif /* _ASM_SWAB_H */
diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/system.h
new file mode 100644
index 00000000000..6c10fd2c626
--- /dev/null
+++ b/arch/frv/include/asm/system.h
@@ -0,0 +1,158 @@
1/* system.h: FR-V CPU control definitions
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _ASM_SYSTEM_H
13#define _ASM_SYSTEM_H
14
15#include <linux/types.h>
16#include <linux/linkage.h>
17#include <linux/kernel.h>
18
19struct thread_struct;
20
21/*
22 * switch_to(prev, next) should switch from task `prev' to `next'
23 * `prev' will never be the same as `next'.
24 * The `mb' is to tell GCC not to cache `current' across this call.
25 */
26extern asmlinkage
27struct task_struct *__switch_to(struct thread_struct *prev_thread,
28 struct thread_struct *next_thread,
29 struct task_struct *prev);
30
31#define switch_to(prev, next, last) \
32do { \
33 (prev)->thread.sched_lr = \
34 (unsigned long) __builtin_return_address(0); \
35 (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \
36 mb(); \
37} while(0)
38
39/*
40 * Force strict CPU ordering.
41 */
42#define nop() asm volatile ("nop"::)
43#define mb() asm volatile ("membar" : : :"memory")
44#define rmb() asm volatile ("membar" : : :"memory")
45#define wmb() asm volatile ("membar" : : :"memory")
46#define read_barrier_depends() do { } while (0)
47
48#define smp_mb() barrier()
49#define smp_rmb() barrier()
50#define smp_wmb() barrier()
51#define smp_read_barrier_depends() do {} while(0)
52#define set_mb(var, value) \
53 do { var = (value); barrier(); } while (0)
54
55extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2)));
56extern void free_initmem(void);
57
58#define arch_align_stack(x) (x)
59
60/*****************************************************************************/
61/*
62 * compare and conditionally exchange value with memory
63 * - if (*ptr == test) then orig = *ptr; *ptr = test;
64 * - if (*ptr != test) then orig = *ptr;
65 */
66extern uint64_t __cmpxchg_64(uint64_t test, uint64_t new, volatile uint64_t *v);
67
68#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
69
70#define cmpxchg(ptr, test, new) \
71({ \
72 __typeof__(ptr) __xg_ptr = (ptr); \
73 __typeof__(*(ptr)) __xg_orig, __xg_tmp; \
74 __typeof__(*(ptr)) __xg_test = (test); \
75 __typeof__(*(ptr)) __xg_new = (new); \
76 \
77 switch (sizeof(__xg_orig)) { \
78 case 4: \
79 asm volatile( \
80 "0: \n" \
81 " orcc gr0,gr0,gr0,icc3 \n" \
82 " ckeq icc3,cc7 \n" \
83 " ld.p %M0,%1 \n" \
84 " orcr cc7,cc7,cc3 \n" \
85 " sub%I4cc %1,%4,%2,icc0 \n" \
86 " bne icc0,#0,1f \n" \
87 " cst.p %3,%M0 ,cc3,#1 \n" \
88 " corcc gr29,gr29,gr0 ,cc3,#1 \n" \
89 " beq icc3,#0,0b \n" \
90 "1: \n" \
91 : "+U"(*__xg_ptr), "=&r"(__xg_orig), "=&r"(__xg_tmp) \
92 : "r"(__xg_new), "NPr"(__xg_test) \
93 : "memory", "cc7", "cc3", "icc3", "icc0" \
94 ); \
95 break; \
96 \
97 default: \
98 __xg_orig = (__typeof__(__xg_orig))0; \
99 asm volatile("break"); \
100 break; \
101 } \
102 \
103 __xg_orig; \
104})
105
106#else
107
108extern uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new);
109
110#define cmpxchg(ptr, test, new) \
111({ \
112 __typeof__(ptr) __xg_ptr = (ptr); \
113 __typeof__(*(ptr)) __xg_orig; \
114 __typeof__(*(ptr)) __xg_test = (test); \
115 __typeof__(*(ptr)) __xg_new = (new); \
116 \
117 switch (sizeof(__xg_orig)) { \
118 case 4: __xg_orig = (__force __typeof__(*ptr)) \
119 __cmpxchg_32((__force uint32_t *)__xg_ptr, \
120 (__force uint32_t)__xg_test, \
121 (__force uint32_t)__xg_new); break; \
122 default: \
123 __xg_orig = (__typeof__(__xg_orig))0; \
124 asm volatile("break"); \
125 break; \
126 } \
127 \
128 __xg_orig; \
129})
130
131#endif
132
133#include <asm-generic/cmpxchg-local.h>
134
135static inline unsigned long __cmpxchg_local(volatile void *ptr,
136 unsigned long old,
137 unsigned long new, int size)
138{
139 switch (size) {
140 case 4:
141 return cmpxchg((unsigned long *)ptr, old, new);
142 default:
143 return __cmpxchg_local_generic(ptr, old, new, size);
144 }
145
146 return old;
147}
148
149/*
150 * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
151 * them available.
152 */
153#define cmpxchg_local(ptr, o, n) \
154 ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
155 (unsigned long)(n), sizeof(*(ptr))))
156#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
157
158#endif /* _ASM_SYSTEM_H */
diff --git a/arch/frv/include/asm/termbits.h b/arch/frv/include/asm/termbits.h
new file mode 100644
index 00000000000..7722e19cc34
--- /dev/null
+++ b/arch/frv/include/asm/termbits.h
@@ -0,0 +1,203 @@
1#ifndef _ASM_TERMBITS_H__
2#define _ASM_TERMBITS_H__
3
4#include <linux/posix_types.h>
5
6typedef unsigned char cc_t;
7typedef unsigned int speed_t;
8typedef unsigned int tcflag_t;
9
10#define NCCS 19
11struct termios {
12 tcflag_t c_iflag; /* input mode flags */
13 tcflag_t c_oflag; /* output mode flags */
14 tcflag_t c_cflag; /* control mode flags */
15 tcflag_t c_lflag; /* local mode flags */
16 cc_t c_line; /* line discipline */
17 cc_t c_cc[NCCS]; /* control characters */
18};
19
20struct termios2 {
21 tcflag_t c_iflag; /* input mode flags */
22 tcflag_t c_oflag; /* output mode flags */
23 tcflag_t c_cflag; /* control mode flags */
24 tcflag_t c_lflag; /* local mode flags */
25 cc_t c_line; /* line discipline */
26 cc_t c_cc[NCCS]; /* control characters */
27 speed_t c_ispeed; /* input speed */
28 speed_t c_ospeed; /* output speed */
29};
30
31struct ktermios {
32 tcflag_t c_iflag; /* input mode flags */
33 tcflag_t c_oflag; /* output mode flags */
34 tcflag_t c_cflag; /* control mode flags */
35 tcflag_t c_lflag; /* local mode flags */
36 cc_t c_line; /* line discipline */
37 cc_t c_cc[NCCS]; /* control characters */
38 speed_t c_ispeed; /* input speed */
39 speed_t c_ospeed; /* output speed */
40};
41
42/* c_cc characters */
43#define VINTR 0
44#define VQUIT 1
45#define VERASE 2
46#define VKILL 3
47#define VEOF 4
48#define VTIME 5
49#define VMIN 6
50#define VSWTC 7
51#define VSTART 8
52#define VSTOP 9
53#define VSUSP 10
54#define VEOL 11
55#define VREPRINT 12
56#define VDISCARD 13
57#define VWERASE 14
58#define VLNEXT 15
59#define VEOL2 16
60
61
62/* c_iflag bits */
63#define IGNBRK 0000001
64#define BRKINT 0000002
65#define IGNPAR 0000004
66#define PARMRK 0000010
67#define INPCK 0000020
68#define ISTRIP 0000040
69#define INLCR 0000100
70#define IGNCR 0000200
71#define ICRNL 0000400
72#define IUCLC 0001000
73#define IXON 0002000
74#define IXANY 0004000
75#define IXOFF 0010000
76#define IMAXBEL 0020000
77#define IUTF8 0040000
78
79/* c_oflag bits */
80#define OPOST 0000001
81#define OLCUC 0000002
82#define ONLCR 0000004
83#define OCRNL 0000010
84#define ONOCR 0000020
85#define ONLRET 0000040
86#define OFILL 0000100
87#define OFDEL 0000200
88#define NLDLY 0000400
89#define NL0 0000000
90#define NL1 0000400
91#define CRDLY 0003000
92#define CR0 0000000
93#define CR1 0001000
94#define CR2 0002000
95#define CR3 0003000
96#define TABDLY 0014000
97#define TAB0 0000000
98#define TAB1 0004000
99#define TAB2 0010000
100#define TAB3 0014000
101#define XTABS 0014000
102#define BSDLY 0020000
103#define BS0 0000000
104#define BS1 0020000
105#define VTDLY 0040000
106#define VT0 0000000
107#define VT1 0040000
108#define FFDLY 0100000
109#define FF0 0000000
110#define FF1 0100000
111
112/* c_cflag bit meaning */
113#define CBAUD 0010017
114#define B0 0000000 /* hang up */
115#define B50 0000001
116#define B75 0000002
117#define B110 0000003
118#define B134 0000004
119#define B150 0000005
120#define B200 0000006
121#define B300 0000007
122#define B600 0000010
123#define B1200 0000011
124#define B1800 0000012
125#define B2400 0000013
126#define B4800 0000014
127#define B9600 0000015
128#define B19200 0000016
129#define B38400 0000017
130#define EXTA B19200
131#define EXTB B38400
132#define CSIZE 0000060
133#define CS5 0000000
134#define CS6 0000020
135#define CS7 0000040
136#define CS8 0000060
137#define CSTOPB 0000100
138#define CREAD 0000200
139#define PARENB 0000400
140#define PARODD 0001000
141#define HUPCL 0002000
142#define CLOCAL 0004000
143#define CBAUDEX 0010000
144#define BOTHER 0010000
145#define B57600 0010001
146#define B115200 0010002
147#define B230400 0010003
148#define B460800 0010004
149#define B500000 0010005
150#define B576000 0010006
151#define B921600 0010007
152#define B1000000 0010010
153#define B1152000 0010011
154#define B1500000 0010012
155#define B2000000 0010013
156#define B2500000 0010014
157#define B3000000 0010015
158#define B3500000 0010016
159#define B4000000 0010017
160#define CIBAUD 002003600000 /* Input baud rate */
161#define CTVB 004000000000 /* VisioBraille Terminal flow control */
162#define CMSPAR 010000000000 /* mark or space (stick) parity */
163#define CRTSCTS 020000000000 /* flow control */
164
165#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */
166
167/* c_lflag bits */
168#define ISIG 0000001
169#define ICANON 0000002
170#define XCASE 0000004
171#define ECHO 0000010
172#define ECHOE 0000020
173#define ECHOK 0000040
174#define ECHONL 0000100
175#define NOFLSH 0000200
176#define TOSTOP 0000400
177#define ECHOCTL 0001000
178#define ECHOPRT 0002000
179#define ECHOKE 0004000
180#define FLUSHO 0010000
181#define PENDIN 0040000
182#define IEXTEN 0100000
183#define EXTPROC 0200000
184
185
186/* tcflow() and TCXONC use these */
187#define TCOOFF 0
188#define TCOON 1
189#define TCIOFF 2
190#define TCION 3
191
192/* tcflush() and TCFLSH use these */
193#define TCIFLUSH 0
194#define TCOFLUSH 1
195#define TCIOFLUSH 2
196
197/* tcsetattr uses these */
198#define TCSANOW 0
199#define TCSADRAIN 1
200#define TCSAFLUSH 2
201
202#endif /* _ASM_TERMBITS_H__ */
203
diff --git a/arch/frv/kernel/init_task.c b/arch/frv/kernel/init_task.c
new file mode 100644
index 00000000000..3c3e0b336a9
--- /dev/null
+++ b/arch/frv/kernel/init_task.c
@@ -0,0 +1,32 @@
1#include <linux/mm.h>
2#include <linux/module.h>
3#include <linux/sched.h>
4#include <linux/init.h>
5#include <linux/init_task.h>
6#include <linux/fs.h>
7#include <linux/mqueue.h>
8
9#include <asm/uaccess.h>
10#include <asm/pgtable.h>
11
12
13static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
14static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
15/*
16 * Initial thread structure.
17 *
18 * We need to make sure that this is THREAD_SIZE aligned due to the
19 * way process stacks are handled. This is done by having a special
20 * "init_task" linker map entry..
21 */
22union thread_union init_thread_union __init_task_data =
23 { INIT_THREAD_INFO(init_task) };
24
25/*
26 * Initial task structure.
27 *
28 * All other task structs will be allocated on slabs in fork.c
29 */
30struct task_struct init_task = INIT_TASK(init_task);
31
32EXPORT_SYMBOL(init_task);
diff --git a/arch/frv/kernel/kernel_execve.S b/arch/frv/kernel/kernel_execve.S
new file mode 100644
index 00000000000..9b074a16a05
--- /dev/null
+++ b/arch/frv/kernel/kernel_execve.S
@@ -0,0 +1,33 @@
1/* in-kernel program execution
2 *
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/linkage.h>
13#include <asm/unistd.h>
14
15###############################################################################
16#
17# Do a system call from kernel instead of calling sys_execve so we end up with
18# proper pt_regs.
19#
20# int kernel_execve(const char *filename, char *const argv[], char *const envp[])
21#
22# On entry: GR8/GR9/GR10: arguments to function
23# On return: GR8: syscall return.
24#
25###############################################################################
26 .globl kernel_execve
27 .type kernel_execve,@function
28kernel_execve:
29 setlos __NR_execve,gr7
30 tira gr0,#0
31 bralr
32
33 .size kernel_execve,.-kernel_execve
diff --git a/arch/frv/kernel/kernel_thread.S b/arch/frv/kernel/kernel_thread.S
new file mode 100644
index 00000000000..4531c830d20
--- /dev/null
+++ b/arch/frv/kernel/kernel_thread.S
@@ -0,0 +1,77 @@
1/* kernel_thread.S: kernel thread creation
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/linkage.h>
13#include <asm/unistd.h>
14
15#define CLONE_VM 0x00000100 /* set if VM shared between processes */
16#define KERN_ERR "<3>"
17
18 .section .rodata
19kernel_thread_emsg:
20 .asciz KERN_ERR "failed to create kernel thread: error=%d\n"
21
22 .text
23 .balign 4
24
25###############################################################################
26#
27# Create a kernel thread
28#
29# int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
30#
31###############################################################################
32 .globl kernel_thread
33 .type kernel_thread,@function
34kernel_thread:
35 or.p gr8,gr0,gr4
36 or gr9,gr0,gr5
37
38 # start by forking the current process, but with shared VM
39 setlos.p #__NR_clone,gr7 ; syscall number
40 ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags]
41 sethi.p #0xe4e4,gr9 ; second syscall arg [newsp]
42 setlo #0xe4e4,gr9
43 setlos.p #0,gr10 ; third syscall arg [parent_tidptr]
44 setlos #0,gr11 ; fourth syscall arg [child_tidptr]
45 tira gr0,#0
46 setlos.p #4095,gr7
47 andcc gr8,gr8,gr0,icc0
48 addcc.p gr8,gr7,gr0,icc1
49 bnelr icc0,#2
50 bc icc1,#0,kernel_thread_error
51
52 # now invoke the work function
53 or gr5,gr0,gr8
54 calll @(gr4,gr0)
55
56 # and finally exit the thread
57 setlos #__NR_exit,gr7 ; syscall number
58 tira gr0,#0
59
60kernel_thread_error:
61 subi sp,#8,sp
62 movsg lr,gr4
63 sti gr8,@(sp,#0)
64 sti.p gr4,@(sp,#4)
65
66 or gr8,gr0,gr9
67 sethi.p %hi(kernel_thread_emsg),gr8
68 setlo %lo(kernel_thread_emsg),gr8
69
70 call printk
71
72 ldi @(sp,#4),gr4
73 ldi @(sp,#0),gr8
74 subi sp,#8,sp
75 jmpl @(gr4,gr0)
76
77 .size kernel_thread,.-kernel_thread
diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c
new file mode 100644
index 00000000000..35f6df28351
--- /dev/null
+++ b/arch/frv/mb93090-mb00/pci-iomap.c
@@ -0,0 +1,29 @@
1/* pci-iomap.c: description
2 *
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11#include <linux/pci.h>
12#include <linux/module.h>
13
14void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
15{
16 resource_size_t start = pci_resource_start(dev, bar);
17 resource_size_t len = pci_resource_len(dev, bar);
18 unsigned long flags = pci_resource_flags(dev, bar);
19
20 if (!len || !start)
21 return NULL;
22
23 if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM))
24 return (void __iomem *) start;
25
26 return NULL;
27}
28
29EXPORT_SYMBOL(pci_iomap);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-10 18:29:33 -0500