From 0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Henryk=20Pl=C3=B6tz?= Date: Fri, 3 Oct 2014 19:58:52 +0200 Subject: Initial commit of djbdns-1.05.tar.gz Source was http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d --- x86cpuid.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 x86cpuid.c (limited to 'x86cpuid.c') diff --git a/x86cpuid.c b/x86cpuid.c new file mode 100644 index 0000000..98e37db --- /dev/null +++ b/x86cpuid.c @@ -0,0 +1,38 @@ +#include + +void nope() +{ + exit(1); +} + +int main() +{ + unsigned long x[4]; + unsigned long y[4]; + int i; + int j; + char c; + + signal(SIGILL,nope); + + x[0] = 0; + x[1] = 0; + x[2] = 0; + x[3] = 0; + + asm volatile(".byte 15;.byte 162" : "=a"(x[0]),"=b"(x[1]),"=c"(x[3]),"=d"(x[2]) : "0"(0) ); + if (!x[0]) return 0; + asm volatile(".byte 15;.byte 162" : "=a"(y[0]),"=b"(y[1]),"=c"(y[2]),"=d"(y[3]) : "0"(1) ); + + for (i = 1;i < 4;++i) + for (j = 0;j < 4;++j) { + c = x[i] >> (8 * j); + if (c < 32) c = 32; + if (c > 126) c = 126; + putchar(c); + } + + printf("-%08x-%08x\n",y[0],y[3]); + + return 0; +} -- cgit v1.2.3