From b912f9573787439a919c3afd4930d2d2a4b68527 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Fri, 13 Jun 2008 15:06:56 +0000 Subject: 2008-06-13 Joel Sherrill * user/bsp.t, user/conf.t, user/task.t: Add ability for application to configure minimum stack size. Add RTEMS_CONFIGURED_MINIMUM_STACK_SIZE constant so user can clearly indicate they want the configured as opposed to the recommended minimum stack size. --- doc/user/bsp.t | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'doc/user/bsp.t') diff --git a/doc/user/bsp.t b/doc/user/bsp.t index 50ff42ee11..7d722a01d4 100644 --- a/doc/user/bsp.t +++ b/doc/user/bsp.t @@ -65,8 +65,13 @@ following requirements: @item If the processor supports multiple privilege levels, must leave the processor in the most privileged, or supervisory, state. -@item Must allocate a stack of at least @code{@value{RPREFIX}MINIMUM_STACK_SIZE} -bytes and initialize the stack pointer for the initialization process. +@item Must allocate a stack of sufficient size to execute the initialization +and shutdown of the system. This stack area will NOT be used by any task +once the system is initialized. This stack is often reserved via the +linker script or in the assembly language start up file. + +@item Must initialize the stack pointer for the initialization process to +that allocated. @item Must initialize the processor's Interrupt Vector Table. @@ -107,7 +112,7 @@ stack usage must account for the following requirements: @end itemize The size of the interrupt stack must be greater than or equal to the -constant @code{@value{RPREFIX}MINIMUM_STACK_SIZE}. +confugured minimum stack size. @subsection Processors with a Separate Interrupt Stack -- cgit v1.2.3