diff options
Diffstat (limited to 'arch/x86/boot/mkcpustr.c')
-rw-r--r-- | arch/x86/boot/mkcpustr.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c new file mode 100644 index 000000000..637097e66 --- /dev/null +++ b/arch/x86/boot/mkcpustr.c @@ -0,0 +1,52 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2008 rPath, Inc. - All Rights Reserved + * + * This file is part of the Linux kernel, and is made available under + * the terms of the GNU General Public License version 2 or (at your + * option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +/* + * This is a host program to preprocess the CPU strings into a + * compact format suitable for the setup code. + */ + +#include <stdio.h> + +#include "../include/asm/required-features.h" +#include "../include/asm/disabled-features.h" +#include "../include/asm/cpufeature.h" +#include "../kernel/cpu/capflags.c" + +int main(void) +{ + int i, j; + const char *str; + + printf("static const char x86_cap_strs[] =\n"); + + for (i = 0; i < NCAPINTS; i++) { + for (j = 0; j < 32; j++) { + str = x86_cap_flags[i*32+j]; + + if (i == NCAPINTS-1 && j == 31) { + /* The last entry must be unconditional; this + also consumes the compiler-added null + character */ + if (!str) + str = ""; + printf("\t\"\\x%02x\\x%02x\"\"%s\"\n", + i, j, str); + } else if (str) { + printf("#if REQUIRED_MASK%d & (1 << %d)\n" + "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n" + "#endif\n", + i, j, i, j, str); + } + } + } + printf("\t;\n"); + return 0; +} |