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t-runner: Make -enable-kvm param optional

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This commit is contained in:
Tim Kourt 2016-05-09 10:39:45 -07:00 committed by Denis Kenzior
parent f3f6ebc417
commit 8e6df3ab0b
1 changed files with 10 additions and 4 deletions
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12
tools/test-runner.c
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@ -226,16 +226,19 @@ static char *const qemu_envp[] = {
NULL
};
static void check_virtualization(void)
static bool check_virtualization(void)
{
#if defined(__GNUC__) && (defined(__i386__) || defined(__amd64__))
uint32_t ecx;
__asm__ __volatile__("cpuid" : "=c" (ecx) : "a" (1) : "memory");
if (!!(ecx & (1 << 5)))
if (!!(ecx & (1 << 5))) {
printf("Found support for Virtual Machine eXtensions\n");
return true;
}
#endif
return false;
}
static void start_qemu(void)
@ -244,8 +247,9 @@ static void start_qemu(void)
char cmdline[CMDLINE_MAX];
char **argv;
int i, pos;
bool has_virt;
check_virtualization();
has_virt = check_virtualization();
if (!getcwd(cwd, sizeof(cwd)))
strcat(cwd, "/");
@ -285,6 +289,8 @@ static void start_qemu(void)
argv[pos++] = (char *) kernel_image;
argv[pos++] = "-append";
argv[pos++] = (char *) cmdline;
if (has_virt)
argv[pos++] = "-enable-kvm";
argv[pos] = NULL;