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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) 2017 Theobroma Systems Design und Consulting GmbH
- */
- #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
- ret
- ENDPROC(longjmp)
- .popsection
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