Changeset 128359eb in mainline for kernel/arch/sparc64/include/arch/asm.h
- Timestamp:
- 2020-06-12T16:46:32Z (4 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- ffccdff0
- Parents:
- 94e75cf
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/arch/sparc64/include/arch/asm.h
r94e75cf r128359eb 382 382 } 383 383 384 /** Return base address of current stack.385 *386 * Return the base address of the current stack.387 * The stack is assumed to be STACK_SIZE bytes long.388 * The stack must start on page boundary.389 *390 */391 _NO_TRACE static inline uintptr_t get_stack_base(void)392 {393 uintptr_t unbiased_sp;394 395 asm volatile (396 "add %%sp, %[stack_bias], %[unbiased_sp]\n"397 : [unbiased_sp] "=r" (unbiased_sp)398 : [stack_bias] "i" (STACK_BIAS)399 );400 401 return ALIGN_DOWN(unbiased_sp, STACK_SIZE);402 }403 404 384 /** Read Version Register. 405 385 *
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