avoid endless loops in lib/swiotlb.c
[wrt350n-kernel.git] / arch / arm / tools / gen-mach-types
blobce319ef64bc108c6df94ac2b7b2c02e888050d35
1 #!/bin/awk
3 # Awk script to generate include/asm-arm/mach-types.h
5 BEGIN { nr = 0 }
6 /^#/ { next }
7 /^[ ]*$/ { next }
9 NF == 4 {
10 machine_is[nr] = "machine_is_"$1;
11 config[nr] = "CONFIG_"$2;
12 mach_type[nr] = "MACH_TYPE_"$3;
13 num[nr] = $4; nr++
16 NF == 3 {
17 machine_is[nr] = "machine_is_"$1;
18 config[nr] = "CONFIG_"$2;
19 mach_type[nr] = "MACH_TYPE_"$3;
20 num[nr] = ""; nr++
24 END {
25 printf("/*\n");
26 printf(" * This was automagically generated from %s!\n", FILENAME);
27 printf(" * Do NOT edit\n");
28 printf(" */\n\n");
29 printf("#ifndef __ASM_ARM_MACH_TYPE_H\n");
30 printf("#define __ASM_ARM_MACH_TYPE_H\n\n");
31 printf("#ifndef __ASSEMBLY__\n");
32 printf("/* The type of machine we're running on */\n");
33 printf("extern unsigned int __machine_arch_type;\n");
34 printf("#endif\n\n");
36 printf("/* see arch/arm/kernel/arch.c for a description of these */\n");
37 for (i = 0; i < nr; i++)
38 if (num[i] ~ /..*/)
39 printf("#define %-30s %d\n", mach_type[i], num[i]);
41 printf("\n");
43 for (i = 0; i < nr; i++)
44 if (num[i] ~ /..*/) {
45 printf("#ifdef %s\n", config[i]);
46 printf("# ifdef machine_arch_type\n");
47 printf("# undef machine_arch_type\n");
48 printf("# define machine_arch_type\t__machine_arch_type\n");
49 printf("# else\n");
50 printf("# define machine_arch_type\t%s\n", mach_type[i]);
51 printf("# endif\n");
52 printf("# define %s()\t(machine_arch_type == %s)\n", machine_is[i], mach_type[i]);
53 printf("#else\n");
54 printf("# define %s()\t(0)\n", machine_is[i]);
55 printf("#endif\n\n");
58 printf("/*\n * These have not yet been registered\n */\n");
59 for (i = 0; i < nr; i++)
60 if (num[i] !~ /..*/)
61 printf("/* #define %-30s <<not registered>> */\n", mach_type[i]);
63 for (i = 0; i < nr; i++)
64 if (num[i] !~ /..*/) {
65 printf("#define %s()\t(0)\n", machine_is[i]);
68 printf("\n#ifndef machine_arch_type\n");
69 printf("#define machine_arch_type\t__machine_arch_type\n");
70 printf("#endif\n\n");
71 printf("#endif\n");