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-rw-r--r--include/asm-powerpc/ipcbuf.h3
-rw-r--r--include/asm-powerpc/ptrace.h248
-rw-r--r--include/asm-powerpc/rtas.h28
-rw-r--r--include/asm-powerpc/sigcontext.h52
-rw-r--r--include/asm-powerpc/stat.h81
-rw-r--r--include/asm-powerpc/ucontext.h40
6 files changed, 427 insertions, 25 deletions
diff --git a/include/asm-powerpc/ipcbuf.h b/include/asm-powerpc/ipcbuf.h
index 71382c1ec6e3..2c3e1d94db1d 100644
--- a/include/asm-powerpc/ipcbuf.h
+++ b/include/asm-powerpc/ipcbuf.h
@@ -27,7 +27,8 @@ struct ipc64_perm
27 __kernel_mode_t mode; 27 __kernel_mode_t mode;
28 unsigned int seq; 28 unsigned int seq;
29 unsigned int __pad1; 29 unsigned int __pad1;
30 __u32 __unused[4]; 30 unsigned long long __unused1;
31 unsigned long long __unused2;
31}; 32};
32 33
33#endif /* _ASM_POWERPC_IPCBUF_H */ 34#endif /* _ASM_POWERPC_IPCBUF_H */
diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h
new file mode 100644
index 000000000000..1f7ecdb0b6ce
--- /dev/null
+++ b/include/asm-powerpc/ptrace.h
@@ -0,0 +1,248 @@
1#ifndef _ASM_POWERPC_PTRACE_H
2#define _ASM_POWERPC_PTRACE_H
3
4/*
5 * Copyright (C) 2001 PPC64 Team, IBM Corp
6 *
7 * This struct defines the way the registers are stored on the
8 * kernel stack during a system call or other kernel entry.
9 *
10 * this should only contain volatile regs
11 * since we can keep non-volatile in the thread_struct
12 * should set this up when only volatiles are saved
13 * by intr code.
14 *
15 * Since this is going on the stack, *CARE MUST BE TAKEN* to insure
16 * that the overall structure is a multiple of 16 bytes in length.
17 *
18 * Note that the offsets of the fields in this struct correspond with
19 * the PT_* values below. This simplifies arch/powerpc/kernel/ptrace.c.
20 *
21 * This program is free software; you can redistribute it and/or
22 * modify it under the terms of the GNU General Public License
23 * as published by the Free Software Foundation; either version
24 * 2 of the License, or (at your option) any later version.
25 */
26
27#ifndef __ASSEMBLY__
28
29struct pt_regs {
30 unsigned long gpr[32];
31 unsigned long nip;
32 unsigned long msr;
33 unsigned long orig_gpr3; /* Used for restarting system calls */
34 unsigned long ctr;
35 unsigned long link;
36 unsigned long xer;
37 unsigned long ccr;
38#ifdef __powerpc64__
39 unsigned long softe; /* Soft enabled/disabled */
40#else
41 unsigned long mq; /* 601 only (not used at present) */
42 /* Used on APUS to hold IPL value. */
43#endif
44 unsigned long trap; /* Reason for being here */
45 /* N.B. for critical exceptions on 4xx, the dar and dsisr
46 fields are overloaded to hold srr0 and srr1. */
47 unsigned long dar; /* Fault registers */
48 unsigned long dsisr; /* on 4xx/Book-E used for ESR */
49 unsigned long result; /* Result of a system call */
50};
51
52#endif /* __ASSEMBLY__ */
53
54#ifdef __KERNEL__
55
56#ifdef __powerpc64__
57
58#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
59
60/* Size of dummy stack frame allocated when calling signal handler. */
61#define __SIGNAL_FRAMESIZE 128
62#define __SIGNAL_FRAMESIZE32 64
63
64#else /* __powerpc64__ */
65
66#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
67
68/* Size of stack frame allocated when calling signal handler. */
69#define __SIGNAL_FRAMESIZE 64
70
71#endif /* __powerpc64__ */
72
73#ifndef __ASSEMBLY__
74
75#define instruction_pointer(regs) ((regs)->nip)
76#ifdef CONFIG_SMP
77extern unsigned long profile_pc(struct pt_regs *regs);
78#else
79#define profile_pc(regs) instruction_pointer(regs)
80#endif
81
82#ifdef __powerpc64__
83#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
84#else
85#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
86#endif
87
88#define force_successful_syscall_return() \
89 do { \
90 current_thread_info()->syscall_noerror = 1; \
91 } while(0)
92
93/*
94 * We use the least-significant bit of the trap field to indicate
95 * whether we have saved the full set of registers, or only a
96 * partial set. A 1 there means the partial set.
97 * On 4xx we use the next bit to indicate whether the exception
98 * is a critical exception (1 means it is).
99 */
100#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
101#ifndef __powerpc64__
102#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
103#endif /* ! __powerpc64__ */
104#define TRAP(regs) ((regs)->trap & ~0xF)
105#ifdef __powerpc64__
106#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
107#else
108#define CHECK_FULL_REGS(regs) \
109do { \
110 if ((regs)->trap & 1) \
111 printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
112} while (0)
113#endif /* __powerpc64__ */
114
115#endif /* __ASSEMBLY__ */
116
117#endif /* __KERNEL__ */
118
119/*
120 * Offsets used by 'ptrace' system call interface.
121 * These can't be changed without breaking binary compatibility
122 * with MkLinux, etc.
123 */
124#define PT_R0 0
125#define PT_R1 1
126#define PT_R2 2
127#define PT_R3 3
128#define PT_R4 4
129#define PT_R5 5
130#define PT_R6 6
131#define PT_R7 7
132#define PT_R8 8
133#define PT_R9 9
134#define PT_R10 10
135#define PT_R11 11
136#define PT_R12 12
137#define PT_R13 13
138#define PT_R14 14
139#define PT_R15 15
140#define PT_R16 16
141#define PT_R17 17
142#define PT_R18 18
143#define PT_R19 19
144#define PT_R20 20
145#define PT_R21 21
146#define PT_R22 22
147#define PT_R23 23
148#define PT_R24 24
149#define PT_R25 25
150#define PT_R26 26
151#define PT_R27 27
152#define PT_R28 28
153#define PT_R29 29
154#define PT_R30 30
155#define PT_R31 31
156
157#define PT_NIP 32
158#define PT_MSR 33
159#ifdef __KERNEL__
160#define PT_ORIG_R3 34
161#endif
162#define PT_CTR 35
163#define PT_LNK 36
164#define PT_XER 37
165#define PT_CCR 38
166#ifndef __powerpc64__
167#define PT_MQ 39
168#else
169#define PT_SOFTE 39
170#define PT_TRAP 40
171#define PT_DAR 41
172#define PT_DSISR 42
173#define PT_RESULT 43
174#endif
175
176#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
177
178#ifndef __powerpc64__
179
180#define PT_FPR31 (PT_FPR0 + 2*31)
181#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
182
183#else /* __powerpc64__ */
184
185#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
186
187#ifdef __KERNEL__
188#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */
189#endif
190
191#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */
192#define PT_VSCR (PT_VR0 + 32*2 + 1)
193#define PT_VRSAVE (PT_VR0 + 33*2)
194
195#ifdef __KERNEL__
196#define PT_VR0_32 164 /* each Vector reg occupies 4 slots in 32-bit */
197#define PT_VSCR_32 (PT_VR0 + 32*4 + 3)
198#define PT_VRSAVE_32 (PT_VR0 + 33*4)
199#endif
200
201#endif /* __powerpc64__ */
202
203/*
204 * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
205 * The transfer totals 34 quadword. Quadwords 0-31 contain the
206 * corresponding vector registers. Quadword 32 contains the vscr as the
207 * last word (offset 12) within that quadword. Quadword 33 contains the
208 * vrsave as the first word (offset 0) within the quadword.
209 *
210 * This definition of the VMX state is compatible with the current PPC32
211 * ptrace interface. This allows signal handling and ptrace to use the same
212 * structures. This also simplifies the implementation of a bi-arch
213 * (combined (32- and 64-bit) gdb.
214 */
215#define PTRACE_GETVRREGS 18
216#define PTRACE_SETVRREGS 19
217
218#ifndef __powerpc64__
219/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
220 * spefscr, in one go */
221#define PTRACE_GETEVRREGS 20
222#define PTRACE_SETEVRREGS 21
223#endif /* __powerpc64__ */
224
225/*
226 * Get or set a debug register. The first 16 are DABR registers and the
227 * second 16 are IABR registers.
228 */
229#define PTRACE_GET_DEBUGREG 25
230#define PTRACE_SET_DEBUGREG 26
231
232#ifdef __powerpc64__
233/* Additional PTRACE requests implemented on PowerPC. */
234#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
235#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
236#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */
237#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */
238
239/* Calls to trace a 64bit program from a 32bit program */
240#define PPC_PTRACE_PEEKTEXT_3264 0x95
241#define PPC_PTRACE_PEEKDATA_3264 0x94
242#define PPC_PTRACE_POKETEXT_3264 0x93
243#define PPC_PTRACE_POKEDATA_3264 0x92
244#define PPC_PTRACE_PEEKUSR_3264 0x91
245#define PPC_PTRACE_POKEUSR_3264 0x90
246#endif /* __powerpc64__ */
247
248#endif /* _ASM_POWERPC_PTRACE_H */
diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index d9fd7866927f..d1bb611ea626 100644
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -149,31 +149,11 @@ struct rtas_error_log {
149 unsigned char buffer[1]; 149 unsigned char buffer[1];
150}; 150};
151 151
152struct flash_block { 152/*
153 char *data; 153 * This can be set by the rtas_flash module so that it can get called
154 unsigned long length; 154 * as the absolutely last thing before the kernel terminates.
155};
156
157/* This struct is very similar but not identical to
158 * that needed by the rtas flash update.
159 * All we need to do for rtas is rewrite num_blocks
160 * into a version/length and translate the pointers
161 * to absolute.
162 */ 155 */
163#define FLASH_BLOCKS_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct flash_block)) 156extern void (*rtas_flash_term_hook)(int);
164struct flash_block_list {
165 unsigned long num_blocks;
166 struct flash_block_list *next;
167 struct flash_block blocks[FLASH_BLOCKS_PER_NODE];
168};
169struct flash_block_list_header { /* just the header of flash_block_list */
170 unsigned long num_blocks;
171 struct flash_block_list *next;
172};
173extern struct flash_block_list_header rtas_firmware_flash_list;
174void rtas_fw_restart(char *cmd);
175void rtas_fw_power_off(void);
176void rtas_fw_halt(void);
177 157
178extern struct rtas_t rtas; 158extern struct rtas_t rtas;
179 159
diff --git a/include/asm-powerpc/sigcontext.h b/include/asm-powerpc/sigcontext.h
new file mode 100644
index 000000000000..165d630e1cf3
--- /dev/null
+++ b/include/asm-powerpc/sigcontext.h
@@ -0,0 +1,52 @@
1#ifndef _ASM_POWERPC_SIGCONTEXT_H
2#define _ASM_POWERPC_SIGCONTEXT_H
3
4/*
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10#include <linux/compiler.h>
11#include <asm/ptrace.h>
12#ifdef __powerpc64__
13#include <asm/elf.h>
14#endif
15
16struct sigcontext {
17 unsigned long _unused[4];
18 int signal;
19#ifdef __powerpc64__
20 int _pad0;
21#endif
22 unsigned long handler;
23 unsigned long oldmask;
24 struct pt_regs __user *regs;
25#ifdef __powerpc64__
26 elf_gregset_t gp_regs;
27 elf_fpregset_t fp_regs;
28/*
29 * To maintain compatibility with current implementations the sigcontext is
30 * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t)
31 * followed by an unstructured (vmx_reserve) field of 69 doublewords. This
32 * allows the array of vector registers to be quadword aligned independent of
33 * the alignment of the containing sigcontext or ucontext. It is the
34 * responsibility of the code setting the sigcontext to set this pointer to
35 * either NULL (if this processor does not support the VMX feature) or the
36 * address of the first quadword within the allocated (vmx_reserve) area.
37 *
38 * The pointer (v_regs) of vector type (elf_vrreg_t) is type compatible with
39 * an array of 34 quadword entries (elf_vrregset_t). The entries with
40 * indexes 0-31 contain the corresponding vector registers. The entry with
41 * index 32 contains the vscr as the last word (offset 12) within the
42 * quadword. This allows the vscr to be stored as either a quadword (since
43 * it must be copied via a vector register to/from storage) or as a word.
44 * The entry with index 33 contains the vrsave as the first word (offset 0)
45 * within the quadword.
46 */
47 elf_vrreg_t __user *v_regs;
48 long vmx_reserve[ELF_NVRREG+ELF_NVRREG+1];
49#endif
50};
51
52#endif /* _ASM_POWERPC_SIGCONTEXT_H */
diff --git a/include/asm-powerpc/stat.h b/include/asm-powerpc/stat.h
new file mode 100644
index 000000000000..e4edc510b530
--- /dev/null
+++ b/include/asm-powerpc/stat.h
@@ -0,0 +1,81 @@
1#ifndef _ASM_POWERPC_STAT_H
2#define _ASM_POWERPC_STAT_H
3/*
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9#include <linux/types.h>
10
11#define STAT_HAVE_NSEC 1
12
13#ifndef __powerpc64__
14struct __old_kernel_stat {
15 unsigned short st_dev;
16 unsigned short st_ino;
17 unsigned short st_mode;
18 unsigned short st_nlink;
19 unsigned short st_uid;
20 unsigned short st_gid;
21 unsigned short st_rdev;
22 unsigned long st_size;
23 unsigned long st_atime;
24 unsigned long st_mtime;
25 unsigned long st_ctime;
26};
27#endif /* !__powerpc64__ */
28
29struct stat {
30 unsigned long st_dev;
31 ino_t st_ino;
32#ifdef __powerpc64__
33 nlink_t st_nlink;
34 mode_t st_mode;
35#else
36 mode_t st_mode;
37 nlink_t st_nlink;
38#endif
39 uid_t st_uid;
40 gid_t st_gid;
41 unsigned long st_rdev;
42 off_t st_size;
43 unsigned long st_blksize;
44 unsigned long st_blocks;
45 unsigned long st_atime;
46 unsigned long st_atime_nsec;
47 unsigned long st_mtime;
48 unsigned long st_mtime_nsec;
49 unsigned long st_ctime;
50 unsigned long st_ctime_nsec;
51 unsigned long __unused4;
52 unsigned long __unused5;
53#ifdef __powerpc64__
54 unsigned long __unused6;
55#endif
56};
57
58/* This matches struct stat64 in glibc2.1. Only used for 32 bit. */
59struct stat64 {
60 unsigned long long st_dev; /* Device. */
61 unsigned long long st_ino; /* File serial number. */
62 unsigned int st_mode; /* File mode. */
63 unsigned int st_nlink; /* Link count. */
64 unsigned int st_uid; /* User ID of the file's owner. */
65 unsigned int st_gid; /* Group ID of the file's group. */
66 unsigned long long st_rdev; /* Device number, if device. */
67 unsigned short __pad2;
68 long long st_size; /* Size of file, in bytes. */
69 int st_blksize; /* Optimal block size for I/O. */
70 long long st_blocks; /* Number 512-byte blocks allocated. */
71 int st_atime; /* Time of last access. */
72 unsigned int st_atime_nsec;
73 int st_mtime; /* Time of last modification. */
74 unsigned int st_mtime_nsec;
75 int st_ctime; /* Time of last status change. */
76 unsigned int st_ctime_nsec;
77 unsigned int __unused4;
78 unsigned int __unused5;
79};
80
81#endif /* _ASM_POWERPC_STAT_H */
diff --git a/include/asm-powerpc/ucontext.h b/include/asm-powerpc/ucontext.h
new file mode 100644
index 000000000000..d9a4ddf0cc86
--- /dev/null
+++ b/include/asm-powerpc/ucontext.h
@@ -0,0 +1,40 @@
1#ifndef _ASM_POWERPC_UCONTEXT_H
2#define _ASM_POWERPC_UCONTEXT_H
3
4#ifdef __powerpc64__
5#include <asm/sigcontext.h>
6#else
7#include <asm/elf.h>
8#endif
9#include <asm/signal.h>
10
11#ifndef __powerpc64__
12struct mcontext {
13 elf_gregset_t mc_gregs;
14 elf_fpregset_t mc_fregs;
15 unsigned long mc_pad[2];
16 elf_vrregset_t mc_vregs __attribute__((__aligned__(16)));
17};
18#endif
19
20struct ucontext {
21 unsigned long uc_flags;
22 struct ucontext __user *uc_link;
23 stack_t uc_stack;
24#ifndef __powerpc64__
25 int uc_pad[7];
26 struct mcontext __user *uc_regs;/* points to uc_mcontext field */
27#endif
28 sigset_t uc_sigmask;
29 /* glibc has 1024-bit signal masks, ours are 64-bit */
30#ifdef __powerpc64__
31 sigset_t __unused[15]; /* Allow for uc_sigmask growth */
32 struct sigcontext uc_mcontext; /* last for extensibility */
33#else
34 int uc_maskext[30];
35 int uc_pad2[3];
36 struct mcontext uc_mcontext;
37#endif
38};
39
40#endif /* _ASM_POWERPC_UCONTEXT_H */
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