diff options
Diffstat (limited to 'arch/x86/include/asm/vm86.h')
| -rw-r--r-- | arch/x86/include/asm/vm86.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/include/asm/vm86.h b/arch/x86/include/asm/vm86.h index e45386eee17a..b0631965b935 100644 --- a/arch/x86/include/asm/vm86.h +++ b/arch/x86/include/asm/vm86.h @@ -49,7 +49,6 @@ int handle_vm86_trap(struct kernel_vm86_regs *, long, int); void save_v86_state(struct kernel_vm86_regs *, int); struct task_struct; -void release_vm86_irqs(struct task_struct *); #define free_vm86(t) do { \ struct thread_struct *__t = (t); \ @@ -59,6 +58,20 @@ void release_vm86_irqs(struct task_struct *); } \ } while (0) +/* + * Support for VM86 programs to request interrupts for + * real mode hardware drivers: + */ +#define FIRST_VM86_IRQ 3 +#define LAST_VM86_IRQ 15 + +static inline int invalid_vm86_irq(int irq) +{ + return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ; +} + +void release_vm86_irqs(struct task_struct *); + #else #define handle_vm86_fault(a, b) |