| Jeremy Fitzhardinge | 70463da | 2006-12-07 02:14:03 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Per-cpu current frame pointer - the location of the last exception frame on |
| 3 | * the stack, stored in the PDA. |
| 4 | * |
| 5 | * Jeremy Fitzhardinge <jeremy@goop.org> |
| 6 | */ |
| 7 | #ifndef _ASM_I386_IRQ_REGS_H |
| 8 | #define _ASM_I386_IRQ_REGS_H |
| 9 | |
| 10 | #include <asm/pda.h> |
| 11 | |
| 12 | static inline struct pt_regs *get_irq_regs(void) |
| 13 | { |
| 14 | return read_pda(irq_regs); |
| 15 | } |
| 16 | |
| 17 | static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs) |
| 18 | { |
| 19 | struct pt_regs *old_regs; |
| 20 | |
| 21 | old_regs = read_pda(irq_regs); |
| 22 | write_pda(irq_regs, new_regs); |
| 23 | |
| 24 | return old_regs; |
| 25 | } |
| 26 | |
| 27 | #endif /* _ASM_I386_IRQ_REGS_H */ |