Changeset 9971ea7f in mainline for kernel/arch/ia64/include/context.h
- Timestamp:
- 2012-03-13T12:41:11Z (13 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 8426a44d
- Parents:
- 9318afa
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/arch/ia64/include/context.h
r9318afa r9971ea7f 27 27 */ 28 28 29 /** @addtogroup ia64 29 /** @addtogroup ia64 30 30 * @{ 31 31 */ … … 47 47 * One item is put onto the stack to support get_stack_base(). 48 48 */ 49 #define SP_DELTA 49 #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) 50 50 51 51 /* RSE stack starts at the bottom of memory stack, hence the division by 2. */ 52 #define context_set(c, _pc, stack, size) 53 do { 54 (c)->pc = (uintptr_t) _pc; 55 (c)->bsp = ((uintptr_t) stack) + ALIGN_UP((size / 2), REGISTER_STACK_ALIGNMENT); 56 (c)->ar_pfs &= PFM_MASK; 57 (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size / 2), STACK_ALIGNMENT) - SP_DELTA; 58 } while (0) ;52 #define context_set(c, _pc, stack, size) \ 53 do { \ 54 (c)->pc = (uintptr_t) _pc; \ 55 (c)->bsp = ((uintptr_t) stack) + ALIGN_UP((size / 2), REGISTER_STACK_ALIGNMENT); \ 56 (c)->ar_pfs &= PFM_MASK; \ 57 (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size / 2), STACK_ALIGNMENT) - SP_DELTA; \ 58 } while (0) 59 59 60 60 /*
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