1c1da286aSPhilipp Tomsich/* 2c1da286aSPhilipp Tomsich * (C) 2017 Theobroma Systems Design und Consulting GmbH 3c1da286aSPhilipp Tomsich * 4c1da286aSPhilipp Tomsich * SPDX-License-Identifier: GPL-2.0+ 5c1da286aSPhilipp Tomsich */ 6c1da286aSPhilipp Tomsich 7c1da286aSPhilipp Tomsich#include <config.h> 8c1da286aSPhilipp Tomsich#include <asm/macro.h> 9c1da286aSPhilipp Tomsich#include <linux/linkage.h> 10c1da286aSPhilipp Tomsich 11c1da286aSPhilipp Tomsich.pushsection .text.setjmp, "ax" 12c1da286aSPhilipp TomsichENTRY(setjmp) 13c1da286aSPhilipp Tomsich /* Preserve all callee-saved registers and the SP */ 14c1da286aSPhilipp Tomsich stp x19, x20, [x0,#0] 15c1da286aSPhilipp Tomsich stp x21, x22, [x0,#16] 16c1da286aSPhilipp Tomsich stp x23, x24, [x0,#32] 17c1da286aSPhilipp Tomsich stp x25, x26, [x0,#48] 18c1da286aSPhilipp Tomsich stp x27, x28, [x0,#64] 19c1da286aSPhilipp Tomsich stp x29, x30, [x0,#80] 20c1da286aSPhilipp Tomsich mov x2, sp 21c1da286aSPhilipp Tomsich str x2, [x0, #96] 22c1da286aSPhilipp Tomsich mov x0, #0 23c1da286aSPhilipp Tomsich ret 24c1da286aSPhilipp TomsichENDPROC(setjmp) 25c1da286aSPhilipp Tomsich.popsection 26c1da286aSPhilipp Tomsich 27c1da286aSPhilipp Tomsich.pushsection .text.longjmp, "ax" 28c1da286aSPhilipp TomsichENTRY(longjmp) 29c1da286aSPhilipp Tomsich ldp x19, x20, [x0,#0] 30c1da286aSPhilipp Tomsich ldp x21, x22, [x0,#16] 31c1da286aSPhilipp Tomsich ldp x23, x24, [x0,#32] 32c1da286aSPhilipp Tomsich ldp x25, x26, [x0,#48] 33c1da286aSPhilipp Tomsich ldp x27, x28, [x0,#64] 34c1da286aSPhilipp Tomsich ldp x29, x30, [x0,#80] 35c1da286aSPhilipp Tomsich ldr x2, [x0,#96] 36c1da286aSPhilipp Tomsich mov sp, x2 37c1da286aSPhilipp Tomsich /* Move the return value in place, but return 1 if passed 0. */ 38c1da286aSPhilipp Tomsich adds x0, xzr, x1 39c1da286aSPhilipp Tomsich csinc x0, x0, xzr, ne 40*9563e87bSZhihuan He /* invalid icache for cortex a35 */ 41*9563e87bSZhihuan Hebranch_if_a35_core x1, __asm_invalidate_icache_all 42c1da286aSPhilipp Tomsich ret 43c1da286aSPhilipp TomsichENDPROC(longjmp) 44c1da286aSPhilipp Tomsich.popsection 45