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-rw-r--r--include/asm-cris/arch-v10/processor.h70
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-cris/arch-v10/processor.h b/include/asm-cris/arch-v10/processor.h
deleted file mode 100644
index cc692c7a0660..000000000000
--- a/include/asm-cris/arch-v10/processor.h
+++ /dev/null
@@ -1,70 +0,0 @@
1#ifndef __ASM_CRIS_ARCH_PROCESSOR_H
2#define __ASM_CRIS_ARCH_PROCESSOR_H
3
4/*
5 * Default implementation of macro that returns current
6 * instruction pointer ("program counter").
7 */
8#define current_text_addr() ({void *pc; __asm__ ("move.d $pc,%0" : "=rm" (pc)); pc; })
9
10/* CRIS has no problems with write protection */
11#define wp_works_ok 1
12
13/* CRIS thread_struct. this really has nothing to do with the processor itself, since
14 * CRIS does not do any hardware task-switching, but it's here for legacy reasons.
15 * The thread_struct here is used when task-switching using _resume defined in entry.S.
16 * The offsets here are hardcoded into _resume - if you change this struct, you need to
17 * change them as well!!!
18*/
19
20struct thread_struct {
21 unsigned long ksp; /* kernel stack pointer */
22 unsigned long usp; /* user stack pointer */
23 unsigned long dccr; /* saved flag register */
24};
25
26/*
27 * User space process size. This is hardcoded into a few places,
28 * so don't change it unless you know what you are doing.
29 */
30
31#ifdef CONFIG_CRIS_LOW_MAP
32#define TASK_SIZE (0x50000000UL) /* 1.25 GB */
33#else
34#define TASK_SIZE (0xA0000000UL) /* 2.56 GB */
35#endif
36
37#define INIT_THREAD { \
38 0, 0, 0x20 } /* ccr = int enable, nothing else */
39
40#define KSTK_EIP(tsk) \
41({ \
42 unsigned long eip = 0; \
43 unsigned long regs = (unsigned long)task_pt_regs(tsk); \
44 if (regs > PAGE_SIZE && \
45 virt_addr_valid(regs)) \
46 eip = ((struct pt_regs *)regs)->irp; \
47 eip; \
48})
49
50/* give the thread a program location
51 * set user-mode (The 'U' flag (User mode flag) is CCR/DCCR bit 8)
52 * switch user-stackpointer
53 */
54
55#define start_thread(regs, ip, usp) do { \
56 set_fs(USER_DS); \
57 regs->irp = ip; \
58 regs->dccr |= 1 << U_DCCR_BITNR; \
59 wrusp(usp); \
60} while(0)
61
62/* Called when handling a kernel bus fault fixup.
63 *
64 * After a fixup we do not want to return by restoring the CPU-state
65 * anymore, so switch frame-types (see ptrace.h)
66 */
67#define arch_fixup(regs) \
68 regs->frametype = CRIS_FRAME_NORMAL;
69
70#endif