Changeset 128359eb in mainline for kernel/arch/arm64/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/arm64/include/arch/asm.h
r94e75cf r128359eb 52 52 { 53 53 asm volatile ("wfe"); 54 }55 56 /** Return base address of current stack.57 *58 * Return the base address of the current stack.59 * The stack is assumed to be STACK_SIZE bytes long.60 * The stack must start on page boundary.61 */62 _NO_TRACE static inline uintptr_t get_stack_base(void)63 {64 uintptr_t v;65 66 asm volatile (67 "mov %[v], sp\n"68 "and %[v], %[v], %[size]\n"69 : [v] "=&r" (v)70 : [size] "r" (~((uint64_t) STACK_SIZE - 1))71 );72 73 return v;74 54 } 75 55
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