fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-blackfin / entry.h
blob562c6d3a3232ba21f7b46ba724864384af452991
1 #ifndef __BFIN_ENTRY_H
2 #define __BFIN_ENTRY_H
4 #include <asm/setup.h>
5 #include <asm/page.h>
7 #ifdef __ASSEMBLY__
9 #define LFLUSH_I_AND_D 0x00000808
10 #define LSIGTRAP 5
12 /* process bits for task_struct.flags */
13 #define PF_TRACESYS_OFF 3
14 #define PF_TRACESYS_BIT 5
15 #define PF_PTRACED_OFF 3
16 #define PF_PTRACED_BIT 4
17 #define PF_DTRACE_OFF 1
18 #define PF_DTRACE_BIT 5
20 /* This one is used for exceptions, emulation, and NMI. It doesn't push
21 RETI and doesn't do cli. */
22 #define SAVE_ALL_SYS save_context_no_interrupts
23 /* This is used for all normal interrupts. It saves a minimum of registers
24 to the stack, loads the IRQ number, and jumps to common code. */
25 #define INTERRUPT_ENTRY(N) \
26 [--sp] = SYSCFG; \
28 [--sp] = P0; /*orig_p0*/ \
29 [--sp] = R0; /*orig_r0*/ \
30 [--sp] = (R7:0,P5:0); \
31 R0 = (N); \
32 jump __common_int_entry;
34 /* For timer interrupts, we need to save IPEND, since the user_mode
35 macro accesses it to determine where to account time. */
36 #define TIMER_INTERRUPT_ENTRY(N) \
37 [--sp] = SYSCFG; \
39 [--sp] = P0; /*orig_p0*/ \
40 [--sp] = R0; /*orig_r0*/ \
41 [--sp] = (R7:0,P5:0); \
42 p0.l = lo(IPEND); \
43 p0.h = hi(IPEND); \
44 r1 = [p0]; \
45 R0 = (N); \
46 jump __common_int_entry;
48 /* This one pushes RETI without using CLI. Interrupts are enabled. */
49 #define SAVE_CONTEXT_SYSCALL save_context_syscall
50 #define SAVE_CONTEXT save_context_with_interrupts
52 #define RESTORE_ALL_SYS restore_context_no_interrupts
53 #define RESTORE_CONTEXT restore_context_with_interrupts
55 #endif /* __ASSEMBLY__ */
56 #endif /* __BFIN_ENTRY_H */