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asm-offsets.c
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1 /*
2  * linux/arch/unicore32/kernel/asm-offsets.c
3  *
4  * Code specific to PKUnity SoC and UniCore ISA
5  *
6  * Copyright (C) 2001-2010 GUAN Xue-tao
7  *
8  * Generate definitions needed by assembly language modules.
9  * This code generates raw asm output which is post-processed to extract
10  * and format the required data.
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16 #include <linux/sched.h>
17 #include <linux/mm.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/kbuild.h>
20 #include <linux/suspend.h>
21 #include <linux/thread_info.h>
22 #include <asm/memory.h>
23 #include <asm/suspend.h>
24 
25 /*
26  * GCC 3.0, 3.1: general bad code generation.
27  * GCC 3.2.0: incorrect function argument offset calculation.
28  * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
29  * (http://gcc.gnu.org/PR8896) and incorrect structure
30  * initialisation in fs/jffs2/erase.c
31  */
32 #if (__GNUC__ < 4)
33 #error Your compiler should upgrade to uc4
34 #error Known good compilers: 4.2.2
35 #endif
36 
37 int main(void)
38 {
39  DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
40  BLANK();
41  DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
42  DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
43  DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
44  DEFINE(TI_TASK, offsetof(struct thread_info, task));
45  DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
46  DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
47  DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
48  DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
49 #ifdef CONFIG_UNICORE_FPU_F64
50  DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
51 #endif
52  BLANK();
53  DEFINE(S_R0, offsetof(struct pt_regs, UCreg_00));
54  DEFINE(S_R1, offsetof(struct pt_regs, UCreg_01));
55  DEFINE(S_R2, offsetof(struct pt_regs, UCreg_02));
56  DEFINE(S_R3, offsetof(struct pt_regs, UCreg_03));
57  DEFINE(S_R4, offsetof(struct pt_regs, UCreg_04));
58  DEFINE(S_R5, offsetof(struct pt_regs, UCreg_05));
59  DEFINE(S_R6, offsetof(struct pt_regs, UCreg_06));
60  DEFINE(S_R7, offsetof(struct pt_regs, UCreg_07));
61  DEFINE(S_R8, offsetof(struct pt_regs, UCreg_08));
62  DEFINE(S_R9, offsetof(struct pt_regs, UCreg_09));
63  DEFINE(S_R10, offsetof(struct pt_regs, UCreg_10));
64  DEFINE(S_R11, offsetof(struct pt_regs, UCreg_11));
65  DEFINE(S_R12, offsetof(struct pt_regs, UCreg_12));
66  DEFINE(S_R13, offsetof(struct pt_regs, UCreg_13));
67  DEFINE(S_R14, offsetof(struct pt_regs, UCreg_14));
68  DEFINE(S_R15, offsetof(struct pt_regs, UCreg_15));
69  DEFINE(S_R16, offsetof(struct pt_regs, UCreg_16));
70  DEFINE(S_R17, offsetof(struct pt_regs, UCreg_17));
71  DEFINE(S_R18, offsetof(struct pt_regs, UCreg_18));
72  DEFINE(S_R19, offsetof(struct pt_regs, UCreg_19));
73  DEFINE(S_R20, offsetof(struct pt_regs, UCreg_20));
74  DEFINE(S_R21, offsetof(struct pt_regs, UCreg_21));
75  DEFINE(S_R22, offsetof(struct pt_regs, UCreg_22));
76  DEFINE(S_R23, offsetof(struct pt_regs, UCreg_23));
77  DEFINE(S_R24, offsetof(struct pt_regs, UCreg_24));
78  DEFINE(S_R25, offsetof(struct pt_regs, UCreg_25));
79  DEFINE(S_R26, offsetof(struct pt_regs, UCreg_26));
80  DEFINE(S_FP, offsetof(struct pt_regs, UCreg_fp));
81  DEFINE(S_IP, offsetof(struct pt_regs, UCreg_ip));
82  DEFINE(S_SP, offsetof(struct pt_regs, UCreg_sp));
83  DEFINE(S_LR, offsetof(struct pt_regs, UCreg_lr));
84  DEFINE(S_PC, offsetof(struct pt_regs, UCreg_pc));
85  DEFINE(S_PSR, offsetof(struct pt_regs, UCreg_asr));
86  DEFINE(S_OLD_R0, offsetof(struct pt_regs, UCreg_ORIG_00));
87  DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
88  BLANK();
89  DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
90  DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
91  BLANK();
92  DEFINE(VM_EXEC, VM_EXEC);
93  BLANK();
94  DEFINE(PAGE_SZ, PAGE_SIZE);
95  BLANK();
96  DEFINE(SYS_ERROR0, 0x9f0000);
97  BLANK();
98  DEFINE(PBE_ADDRESS, offsetof(struct pbe, address));
99  DEFINE(PBE_ORIN_ADDRESS, offsetof(struct pbe, orig_address));
100  DEFINE(PBE_NEXT, offsetof(struct pbe, next));
101  DEFINE(SWSUSP_CPU, offsetof(struct swsusp_arch_regs, \
102  cpu_context));
103 #ifdef CONFIG_UNICORE_FPU_F64
104  DEFINE(SWSUSP_FPSTATE, offsetof(struct swsusp_arch_regs, \
105  fpstate));
106 #endif
107  BLANK();
108  DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
109  DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
110  DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
111  return 0;
112 }
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