diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-06-28 02:03:03 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-28 20:55:01 +0400 |
| commit | c17fad11f3105ca4d5bbb2686725aad208f5ead4 (patch) | |
| tree | 1b3b07ac36323f9a056fdf0aadafaff6e149c5de /include/asm-arm | |
| parent | 5429b060df6d556f396b78364ad017686015bc34 (diff) | |
| download | linux-c17fad11f3105ca4d5bbb2686725aad208f5ead4.tar.xz | |
[ARM] 3370/2: ep93xx: add crunch support
Patch from Lennert Buytenhek
Add the necessary kernel bits for crunch task switching.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/fpstate.h | 8 | ||||
| -rw-r--r-- | include/asm-arm/thread_info.h | 6 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-arm/fpstate.h b/include/asm-arm/fpstate.h index 132c3c5628b2..6af4e6bd1290 100644 --- a/include/asm-arm/fpstate.h +++ b/include/asm-arm/fpstate.h @@ -72,6 +72,14 @@ union fp_state { #define FP_SIZE (sizeof(union fp_state) / sizeof(int)) +struct crunch_state { + unsigned int mvdx[16][2]; + unsigned int mvax[4][3]; + unsigned int dspsc[2]; +}; + +#define CRUNCH_SIZE sizeof(struct crunch_state) + #endif #endif diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index cfbccb63c67b..c46b5c84275f 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -59,6 +59,7 @@ struct thread_info { struct cpu_context_save cpu_context; /* cpu context */ __u8 used_cp[16]; /* thread used copro */ unsigned long tp_value; + struct crunch_state crunchstate; union fp_state fpstate __attribute__((aligned(8))); union vfp_state vfpstate; struct restart_block restart_block; @@ -101,6 +102,11 @@ extern void free_thread_info(struct thread_info *); #define thread_saved_fp(tsk) \ ((unsigned long)(task_thread_info(tsk)->cpu_context.fp)) +extern void crunch_task_disable(struct thread_info *); +extern void crunch_task_copy(struct thread_info *, void *); +extern void crunch_task_restore(struct thread_info *, void *); +extern void crunch_task_release(struct thread_info *); + extern void iwmmxt_task_disable(struct thread_info *); extern void iwmmxt_task_copy(struct thread_info *, void *); extern void iwmmxt_task_restore(struct thread_info *, void *); |