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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-20 18:22:21 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-20 18:22:21 +0000 |
commit | fce497aecaf6826d6fec3cfcb761abeac7fe72bf (patch) | |
tree | 6d2f0d4610067c2b0e4c3f831274037c9ceba91a /nuttx/arch/x86/src/i486/up_usestack.c | |
parent | 3d7ed16eabcbea16723b66df2cd2a7d10ba22474 (diff) | |
download | px4-nuttx-fce497aecaf6826d6fec3cfcb761abeac7fe72bf.tar.gz px4-nuttx-fce497aecaf6826d6fec3cfcb761abeac7fe72bf.tar.bz2 px4-nuttx-fce497aecaf6826d6fec3cfcb761abeac7fe72bf.zip |
Change prototypes of up_create_stack and up_release_stack to include a task type parameter
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5765 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/x86/src/i486/up_usestack.c')
-rw-r--r-- | nuttx/arch/x86/src/i486/up_usestack.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/nuttx/arch/x86/src/i486/up_usestack.c b/nuttx/arch/x86/src/i486/up_usestack.c index 8865a9e3f..f972d8950 100644 --- a/nuttx/arch/x86/src/i486/up_usestack.c +++ b/nuttx/arch/x86/src/i486/up_usestack.c @@ -66,18 +66,26 @@ * * Description: * Setup up stack-related information in the TCB using pre-allocated stack - * memory + * memory. This function is called only from task_init() when a task or + * kernel thread is started (never for pthreads). * * The following TCB fields must be initialized: - * adj_stack_size: Stack size after adjustment for hardware, processor, - * etc. This value is retained only for debug purposes. - * stack_alloc_ptr: Pointer to allocated stack - * adj_stack_ptr: Adjusted stack_alloc_ptr for HW. The initial value of - * the stack pointer. + * + * - adj_stack_size: Stack size after adjustment for hardware, + * processor, etc. This value is retained only for debug + * purposes. + * - stack_alloc_ptr: Pointer to allocated stack + * - adj_stack_ptr: Adjusted stack_alloc_ptr for HW. The + * initial value of the stack pointer. * * Inputs: - * tcb: The TCB of new task - * stack_size: The allocated stack size. + * - tcb: The TCB of new task + * - stack_size: The allocated stack size. + * + * NOTE: Unlike up_stack_create() and up_stack_release, this function + * does not require the task type (ttype) parameter. The TCB flags will + * always be set to provide the task type to up_use_stack() if it needs + * that information. * ****************************************************************************/ |