Lines Matching refs:stack
20 @ Most of the stack format comes from struct pt_regs, but with
27 * The SWI code relies on the fact that R0 is at the bottom of the stack
61 * automatically saved on the current stack (32 words) before
62 * switching to the exception stack (SP_main).
78 @ exception happend that is either on the main or the process stack.
79 @ Bit 2 of EXC_RETURN stored in the lr register specifies which stack
90 @ Linux expects to have irqs off. Do it here before taking stack space
102 @ calculate the original stack pointer value.
105 @ The cpu might automatically 8-byte align the stack. Bit 9
106 @ of the saved xPSR specifies if stack aligning took place. In this case
107 @ another 32-bit value is included in the stack.
209 @ IRQs off again before pulling preserved data off the stack
241 @ on the stack remains correct).
284 @ IRQs off again before pulling preserved data off the stack
293 ldr lr, [sp, #S_SP] @ top of the stack