mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-08 21:09:49 +00:00
3b4dc0bdba
which caused the test to be skipped if the CPU type wasn't appropriate, with a "prereq" line, which specifies a command that must succeed before the test is run. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3041
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// We return 0 if the machine matches the asked-for cpu, 1 otherwise.
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#ifdef __x86__
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static __inline__ void cpuid(unsigned int n,
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unsigned int *a, unsigned int *b,
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unsigned int *c, unsigned int *d)
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{
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__asm__ __volatile__ (
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"cpuid"
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: "=a" (*a), "=b" (*b), "=c" (*c), "=d" (*d) /* output */
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: "0" (n) /* input */
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);
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}
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static int go(char* cpu)
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{
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unsigned int level = 0, mask = 0, a, b, c, d;
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if ( strcmp( cpu, "x86" ) == 0 ) {
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return 0;
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} else if ( strcmp( cpu, "x86-fpu" ) == 0 ) {
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level = 1;
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mask = 1 << 0;
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} else if ( strcmp( cpu, "x86-cmov" ) == 0 ) {
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level = 1;
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mask = 1 << 15;
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} else if ( strcmp( cpu, "x86-mmx" ) == 0 ) {
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level = 1;
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mask = 1 << 23;
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} else if ( strcmp( cpu, "x86-mmxext" ) == 0 ) {
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level = 0x80000001;
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mask = 1 << 22;
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} else if ( strcmp( cpu, "x86-sse" ) == 0 ) {
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level = 1;
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mask = 1 << 25;
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} else if ( strcmp( cpu, "x86-sse2" ) == 0 ) {
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level = 1;
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mask = 1 << 26;
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} else {
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return 1;
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}
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cpuid( level & 0x80000000, &a, &b, &c, &d );
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if ( a >= level ) {
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cpuid( level, &a, &b, &c, &d );
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if ( ( d & mask ) != 0 ) return 0;
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}
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return 1;
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}
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#endif // __x86__
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#ifdef __ppc__
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static int go(char* cpu)
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{
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if ( strcmp( cpu, "ppc" ) == 0 )
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return 0;
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else
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return 1;
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}
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#endif // __ppc__
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int main(int argc, char **argv)
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{
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if ( argc != 2 ) {
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fprintf( stderr, "usage: cputest <cpu-type>\n" );
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exit( 1 );
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}
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return go( argv[1] );
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}
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