diff options
author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:14 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:14 +0100 |
commit | 507f90c9f92592e7630b1c1e87bf92d2c9858cc6 (patch) | |
tree | 23e011c11bc221e1c51702ca7dc748d2b241005d /include/asm-x86/desc_64.h | |
parent | 54cd0eac7286b83ef1a657d2dddd74e0556209e7 (diff) |
x86: move _set_gate and its users to a common location
This patch moves _set_gate and its users to desc.h. We can now
use common code for x86_64 and i386.
[ mingo@elte.hu: set_system_gate() fixes for nasty crashes. ]
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/desc_64.h')
-rw-r--r-- | include/asm-x86/desc_64.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/include/asm-x86/desc_64.h b/include/asm-x86/desc_64.h index b0290c45319c..6bc92e6e5cc3 100644 --- a/include/asm-x86/desc_64.h +++ b/include/asm-x86/desc_64.h @@ -11,51 +11,6 @@ #include <asm/segment.h> -static inline void _set_gate(int gate, unsigned type, unsigned long func, - unsigned dpl, unsigned ist) -{ - gate_desc s; - - s.offset_low = PTR_LOW(func); - s.segment = __KERNEL_CS; - s.ist = ist; - s.p = 1; - s.dpl = dpl; - s.zero0 = 0; - s.zero1 = 0; - s.type = type; - s.offset_middle = PTR_MIDDLE(func); - s.offset_high = PTR_HIGH(func); - /* - * does not need to be atomic because it is only done once at - * setup time - */ - write_idt_entry(idt_table, gate, &s); -} - -static inline void set_intr_gate(int nr, void *func) -{ - BUG_ON((unsigned)nr > 0xFF); - _set_gate(nr, GATE_INTERRUPT, (unsigned long) func, 0, 0); -} - -static inline void set_intr_gate_ist(int nr, void *func, unsigned ist) -{ - BUG_ON((unsigned)nr > 0xFF); - _set_gate(nr, GATE_INTERRUPT, (unsigned long) func, 0, ist); -} - -static inline void set_system_gate(int nr, void *func) -{ - BUG_ON((unsigned)nr > 0xFF); - _set_gate(nr, GATE_INTERRUPT, (unsigned long) func, 3, 0); -} - -static inline void set_system_gate_ist(int nr, void *func, unsigned ist) -{ - _set_gate(nr, GATE_INTERRUPT, (unsigned long) func, 3, ist); -} - static inline void set_tss_desc(unsigned cpu, void *addr) { struct desc_struct *d = get_cpu_gdt_table(cpu); |