diff options
author | David S. Miller <davem@davemloft.net> | 2008-09-09 03:59:05 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-09-09 03:59:05 +0400 |
commit | 17dce5dfe38ae2fb359b61e855f5d8a3a8b7892b (patch) | |
tree | 88bb1fcf84f9ebfa4299c9a8dcd9e6330b358446 /arch/blackfin/include/asm/l1layout.h | |
parent | 712d6954e3998d0de2840d8130941e8042541246 (diff) | |
parent | 82a28c794f27aac17d7a3ebd7f14d731a11a5532 (diff) | |
download | linux-17dce5dfe38ae2fb359b61e855f5d8a3a8b7892b.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
net/mac80211/mlme.c
Diffstat (limited to 'arch/blackfin/include/asm/l1layout.h')
-rw-r--r-- | arch/blackfin/include/asm/l1layout.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/l1layout.h b/arch/blackfin/include/asm/l1layout.h new file mode 100644 index 000000000000..c13ded777828 --- /dev/null +++ b/arch/blackfin/include/asm/l1layout.h @@ -0,0 +1,31 @@ +/* + * l1layout.h + * Defines a layout of L1 scratchpad memory that userspace can rely on. + */ + +#ifndef _L1LAYOUT_H_ +#define _L1LAYOUT_H_ + +#include <asm/blackfin.h> + +#ifndef __ASSEMBLY__ + +/* Data that is "mapped" into the process VM at the start of the L1 scratch + memory, so that each process can access it at a fixed address. Used for + stack checking. */ +struct l1_scratch_task_info +{ + /* Points to the start of the stack. */ + void *stack_start; + /* Not updated by the kernel; a user process can modify this to + keep track of the lowest address of the stack pointer during its + runtime. */ + void *lowest_sp; +}; + +/* A pointer to the structure in memory. */ +#define L1_SCRATCH_TASK_INFO ((struct l1_scratch_task_info *)L1_SCRATCH_START) + +#endif + +#endif |