diff options
Diffstat (limited to 'kvm')
| -rw-r--r-- | kvm/user/test/x86/apic.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kvm/user/test/x86/apic.c b/kvm/user/test/x86/apic.c index 77946159d..b712ef8d6 100644 --- a/kvm/user/test/x86/apic.c +++ b/kvm/user/test/x86/apic.c @@ -102,6 +102,11 @@ static idt_entry_t idt[256]; static int g_fail; static int g_tests; +static void outb(unsigned char data, unsigned short port) +{ + asm volatile ("out %0, %1" : : "a"(data), "d"(port)); +} + static void report(const char *msg, int pass) { ++g_tests; @@ -325,9 +330,16 @@ static void test_ioapic_simultaneous(void) static void enable_apic(void) { + printf("enabling apic\n"); apic_write(0xf0, 0x1ff); /* spurious vector register */ } +static void mask_pic_interrupts(void) +{ + outb(0xff, 0x21); + outb(0xff, 0xa1); +} + int main() { setup_vm(); @@ -337,6 +349,7 @@ int main() test_lapic_existence(); + mask_pic_interrupts(); enable_apic(); init_idt(); |