diff options
Diffstat (limited to 'src/userspace/programs/sh.c')
| -rw-r--r-- | src/userspace/programs/sh.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/userspace/programs/sh.c b/src/userspace/programs/sh.c index ba6ba8f..db8543d 100644 --- a/src/userspace/programs/sh.c +++ b/src/userspace/programs/sh.c @@ -11,8 +11,31 @@ void test(u8 *data) printf("."); } +u32 cpu_flags() +{ + u32 flags; + asm volatile("pushf\n" + "pop %0\n" + : "=rm"(flags)::"memory"); + return flags; +} + +int interrupts_enabled() +{ + return (cpu_flags() & 0x200) == 0x200; +} + void main() { + /* if (get_pid() != 1) { */ + /* printf("Wrong PID!\n"); */ + /* exit(1); */ + /* } */ + + if (interrupts_enabled()) + printf("INTs enabled :)\n"); + else + printf("INTs disabled :(\n"); printf("[~] "); /* while (1) { */ |