diff options
Diffstat (limited to 'doc/user/bsp.t')
| -rw-r--r-- | doc/user/bsp.t | 11 |
1 files changed, 8 insertions, 3 deletions
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 |