Changeset 128359eb in mainline for kernel/arch/abs32le/include/arch/asm.h

Timestamp:

2020-06-12T16:46:32Z (4 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ffccdff0

Parents:

94e75cf

Message:

Replace get_stack_base() with builtin_frame_address(0)

The usage of an intrinsic function to obtain the current stack pointer
should provide the compuler more room for performance optimizations than
the hand-written (and volatile) inline assembly block.

File:

• kernel/arch/abs32le/include/arch/asm.h (modified) (1 diff)

kernel/arch/abs32le/include/arch/asm.h

@@ -188 +188 @@
 }
 
-_NO_TRACE static inline uintptr_t get_stack_base(void)
-{
-        /*
-         * On real hardware this returns the address of the bottom
-         * of the current CPU stack. The current_t structure is stored
-         * on the bottom of stack and this is used to identify the
-         * current CPU, current task, current thread and current
-         * address space.
-         */
-
-        return 0;
-}
-
 #endif