2 * Copyright (C) 1995-2003 Russell King
3 * 2001-2002 Keith Owens
5 * Generate definitions needed by assembly language modules.
6 * This code generates raw asm output which is post-processed to extract
7 * and format the required data.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 #include <linux/sched.h>
15 #include <asm/mach/arch.h>
16 #include <asm/thread_info.h>
17 #include <asm/memory.h>
20 * Make sure that the compiler and target are compatible.
22 #if defined(__APCS_26__)
23 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
26 * GCC 2.95.1, 2.95.2: ignores register clobber list in asm().
27 * GCC 3.0, 3.1: general bad code generation.
28 * GCC 3.2.0: incorrect function argument offset calculation.
29 * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
30 * (http://gcc.gnu.org/PR8896) and incorrect structure
31 * initialisation in fs/jffs2/erase.c
34 (__GNUC__ == 2 && __GNUC_MINOR__ < 95) || \
35 (__GNUC__ == 2 && __GNUC_MINOR__ == 95 && __GNUC_PATCHLEVEL__ != 0 && \
36 __GNUC_PATCHLEVEL__ < 3) || \
37 (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
38 #error Your compiler is too buggy; it is known to miscompile kernels.
39 #error Known good compilers: 2.95.3, 2.95.4, 2.96, 3.3
42 /* Use marker if you need to separate the values later */
44 #define DEFINE(sym, val) \
45 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
47 #define BLANK() asm volatile("\n->" : : )
51 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
53 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
54 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
55 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
56 DEFINE(TI_TASK, offsetof(struct thread_info, task));
57 DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
58 DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
59 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
60 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
61 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
62 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
63 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
64 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
65 DEFINE(TI_IWMMXT_STATE, (offsetof(struct thread_info, fpstate)+4)&~7);
67 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
68 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
69 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
70 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
71 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
72 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
73 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
74 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
75 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
76 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
77 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
78 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
79 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
80 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
81 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
82 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
83 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
84 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
85 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
87 #if __LINUX_ARM_ARCH__ >= 6
88 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id));
91 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
92 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
94 DEFINE(VM_EXEC, VM_EXEC);
96 DEFINE(PAGE_SZ, PAGE_SIZE);
97 DEFINE(VIRT_OFFSET, PAGE_OFFSET);
99 DEFINE(SYS_ERROR0, 0x9f0000);
101 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));