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-rw-r--r--arch/arm64/include/asm/auxvec.h22
-rw-r--r--arch/arm64/include/asm/elf.h179
-rw-r--r--arch/arm64/include/asm/hwcap.h53
-rw-r--r--arch/arm64/include/asm/param.h23
-rw-r--r--arch/arm64/include/asm/shmparam.h28
5 files changed, 305 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/auxvec.h b/arch/arm64/include/asm/auxvec.h
new file mode 100644
index 00000000000..22d6d888585
--- /dev/null
+++ b/arch/arm64/include/asm/auxvec.h
@@ -0,0 +1,22 @@
1/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_AUXVEC_H
17#define __ASM_AUXVEC_H
18
19/* vDSO location */
20#define AT_SYSINFO_EHDR 33
21
22#endif
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
new file mode 100644
index 00000000000..cf284649dfc
--- /dev/null
+++ b/arch/arm64/include/asm/elf.h
@@ -0,0 +1,179 @@
1/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_ELF_H
17#define __ASM_ELF_H
18
19#include <asm/hwcap.h>
20
21/*
22 * ELF register definitions..
23 */
24#include <asm/ptrace.h>
25#include <asm/user.h>
26
27typedef unsigned long elf_greg_t;
28typedef unsigned long elf_freg_t[3];
29
30#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
31typedef elf_greg_t elf_gregset_t[ELF_NGREG];
32
33typedef struct user_fp elf_fpregset_t;
34
35#define EM_AARCH64 183
36
37/*
38 * AArch64 static relocation types.
39 */
40
41/* Miscellaneous. */
42#define R_ARM_NONE 0
43#define R_AARCH64_NONE 256
44
45/* Data. */
46#define R_AARCH64_ABS64 257
47#define R_AARCH64_ABS32 258
48#define R_AARCH64_ABS16 259
49#define R_AARCH64_PREL64 260
50#define R_AARCH64_PREL32 261
51#define R_AARCH64_PREL16 262
52
53/* Instructions. */
54#define R_AARCH64_MOVW_UABS_G0 263
55#define R_AARCH64_MOVW_UABS_G0_NC 264
56#define R_AARCH64_MOVW_UABS_G1 265
57#define R_AARCH64_MOVW_UABS_G1_NC 266
58#define R_AARCH64_MOVW_UABS_G2 267
59#define R_AARCH64_MOVW_UABS_G2_NC 268
60#define R_AARCH64_MOVW_UABS_G3 269
61
62#define R_AARCH64_MOVW_SABS_G0 270
63#define R_AARCH64_MOVW_SABS_G1 271
64#define R_AARCH64_MOVW_SABS_G2 272
65
66#define R_AARCH64_LD_PREL_LO19 273
67#define R_AARCH64_ADR_PREL_LO21 274
68#define R_AARCH64_ADR_PREL_PG_HI21 275
69#define R_AARCH64_ADR_PREL_PG_HI21_NC 276
70#define R_AARCH64_ADD_ABS_LO12_NC 277
71#define R_AARCH64_LDST8_ABS_LO12_NC 278
72
73#define R_AARCH64_TSTBR14 279
74#define R_AARCH64_CONDBR19 280
75#define R_AARCH64_JUMP26 282
76#define R_AARCH64_CALL26 283
77#define R_AARCH64_LDST16_ABS_LO12_NC 284
78#define R_AARCH64_LDST32_ABS_LO12_NC 285
79#define R_AARCH64_LDST64_ABS_LO12_NC 286
80#define R_AARCH64_LDST128_ABS_LO12_NC 299
81
82#define R_AARCH64_MOVW_PREL_G0 287
83#define R_AARCH64_MOVW_PREL_G0_NC 288
84#define R_AARCH64_MOVW_PREL_G1 289
85#define R_AARCH64_MOVW_PREL_G1_NC 290
86#define R_AARCH64_MOVW_PREL_G2 291
87#define R_AARCH64_MOVW_PREL_G2_NC 292
88#define R_AARCH64_MOVW_PREL_G3 293
89
90
91/*
92 * These are used to set parameters in the core dumps.
93 */
94#define ELF_CLASS ELFCLASS64
95#define ELF_DATA ELFDATA2LSB
96#define ELF_ARCH EM_AARCH64
97
98#define ELF_PLATFORM_SIZE 16
99#define ELF_PLATFORM ("aarch64")
100
101/*
102 * This is used to ensure we don't load something for the wrong architecture.
103 */
104#define elf_check_arch(x) ((x)->e_machine == EM_AARCH64)
105
106#define elf_read_implies_exec(ex,stk) (stk != EXSTACK_DISABLE_X)
107
108#define CORE_DUMP_USE_REGSET
109#define ELF_EXEC_PAGESIZE PAGE_SIZE
110
111/*
112 * This is the location that an ET_DYN program is loaded if exec'ed. Typical
113 * use of this is to invoke "./ld.so someprog" to test out a new version of
114 * the loader. We need to make sure that it is out of the way of the program
115 * that it will "exec", and that there is sufficient room for the brk.
116 */
117extern unsigned long randomize_et_dyn(unsigned long base);
118#define ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_64 / 3))
119
120/*
121 * When the program starts, a1 contains a pointer to a function to be
122 * registered with atexit, as per the SVR4 ABI. A value of 0 means we have no
123 * such handler.
124 */
125#define ELF_PLAT_INIT(_r, load_addr) (_r)->regs[0] = 0
126
127#define SET_PERSONALITY(ex) clear_thread_flag(TIF_32BIT);
128
129#define ARCH_DLINFO \
130do { \
131 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
132 (elf_addr_t)current->mm->context.vdso); \
133} while (0)
134
135#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
136struct linux_binprm;
137extern int arch_setup_additional_pages(struct linux_binprm *bprm,
138 int uses_interp);
139
140/* 1GB of VA */
141#ifdef CONFIG_COMPAT
142#define STACK_RND_MASK (test_thread_flag(TIF_32BIT) ? \
143 0x7ff >> (PAGE_SHIFT - 12) : \
144 0x3ffff >> (PAGE_SHIFT - 12))
145#else
146#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
147#endif
148
149struct mm_struct;
150extern unsigned long arch_randomize_brk(struct mm_struct *mm);
151#define arch_randomize_brk arch_randomize_brk
152
153#ifdef CONFIG_COMPAT
154#define EM_ARM 40
155#define COMPAT_ELF_PLATFORM ("v8l")
156
157#define COMPAT_ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_32 / 3))
158
159/* AArch32 registers. */
160#define COMPAT_ELF_NGREG 18
161typedef unsigned int compat_elf_greg_t;
162typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
163
164/* AArch32 EABI. */
165#define EF_ARM_EABI_MASK 0xff000000
166#define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \
167 ((x)->e_flags & EF_ARM_EABI_MASK))
168
169#define compat_start_thread compat_start_thread
170#define COMPAT_SET_PERSONALITY(ex) set_thread_flag(TIF_32BIT);
171#define COMPAT_ARCH_DLINFO
172extern int aarch32_setup_vectors_page(struct linux_binprm *bprm,
173 int uses_interp);
174#define compat_arch_setup_additional_pages \
175 aarch32_setup_vectors_page
176
177#endif /* CONFIG_COMPAT */
178
179#endif
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
new file mode 100644
index 00000000000..f8190ba45a3
--- /dev/null
+++ b/arch/arm64/include/asm/hwcap.h
@@ -0,0 +1,53 @@
1/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_HWCAP_H
17#define __ASM_HWCAP_H
18
19/*
20 * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
21 */
22#define HWCAP_FP (1 << 0)
23#define HWCAP_ASIMD (1 << 1)
24
25#define COMPAT_HWCAP_HALF (1 << 1)
26#define COMPAT_HWCAP_THUMB (1 << 2)
27#define COMPAT_HWCAP_FAST_MULT (1 << 4)
28#define COMPAT_HWCAP_VFP (1 << 6)
29#define COMPAT_HWCAP_EDSP (1 << 7)
30#define COMPAT_HWCAP_NEON (1 << 12)
31#define COMPAT_HWCAP_VFPv3 (1 << 13)
32#define COMPAT_HWCAP_TLS (1 << 15)
33#define COMPAT_HWCAP_VFPv4 (1 << 16)
34#define COMPAT_HWCAP_IDIVA (1 << 17)
35#define COMPAT_HWCAP_IDIVT (1 << 18)
36#define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
37
38#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
39/*
40 * This yields a mask that user programs can use to figure out what
41 * instruction set this cpu supports.
42 */
43#define ELF_HWCAP (elf_hwcap)
44#define COMPAT_ELF_HWCAP (COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\
45 COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\
46 COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\
47 COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
48 COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV)
49
50extern unsigned int elf_hwcap;
51#endif
52
53#endif
diff --git a/arch/arm64/include/asm/param.h b/arch/arm64/include/asm/param.h
new file mode 100644
index 00000000000..8e3a281d448
--- /dev/null
+++ b/arch/arm64/include/asm/param.h
@@ -0,0 +1,23 @@
1/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_PARAM_H
17#define __ASM_PARAM_H
18
19#define EXEC_PAGESIZE 65536
20
21#include <asm-generic/param.h>
22
23#endif
diff --git a/arch/arm64/include/asm/shmparam.h b/arch/arm64/include/asm/shmparam.h
new file mode 100644
index 00000000000..4df608a8459
--- /dev/null
+++ b/arch/arm64/include/asm/shmparam.h
@@ -0,0 +1,28 @@
1/*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_SHMPARAM_H
17#define __ASM_SHMPARAM_H
18
19/*
20 * For IPC syscalls from compat tasks, we need to use the legacy 16k
21 * alignment value. Since we don't have aliasing D-caches, the rest of
22 * the time we can safely use PAGE_SIZE.
23 */
24#define COMPAT_SHMLBA 0x4000
25
26#include <asm-generic/shmparam.h>
27
28#endif /* __ASM_SHMPARAM_H */