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| /*
| * (C) 2017 Theobroma Systems Design und Consulting GmbH
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <config.h>
| #include <asm/macro.h>
| #include <linux/linkage.h>
|
| .pushsection .text.setjmp, "ax"
| ENTRY(setjmp)
| /* Preserve all callee-saved registers and the SP */
| stp x19, x20, [x0,#0]
| stp x21, x22, [x0,#16]
| stp x23, x24, [x0,#32]
| stp x25, x26, [x0,#48]
| stp x27, x28, [x0,#64]
| stp x29, x30, [x0,#80]
| mov x2, sp
| str x2, [x0, #96]
| mov x0, #0
| ret
| ENDPROC(setjmp)
| .popsection
|
| .pushsection .text.longjmp, "ax"
| ENTRY(longjmp)
| ldp x19, x20, [x0,#0]
| ldp x21, x22, [x0,#16]
| ldp x23, x24, [x0,#32]
| ldp x25, x26, [x0,#48]
| ldp x27, x28, [x0,#64]
| ldp x29, x30, [x0,#80]
| ldr x2, [x0,#96]
| mov sp, x2
| /* Move the return value in place, but return 1 if passed 0. */
| adds x0, xzr, x1
| csinc x0, x0, xzr, ne
| /* invalid icache for cortex a35 */
| branch_if_a35_core x1, __asm_invalidate_icache_all
| ret
| ENDPROC(longjmp)
| .popsection
|
|