| /* |
| * Copyright (c) 2020 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/toolchain.h> |
| |
| _ASM_FILE_PROLOGUE |
| |
| GTEXT(__aeabi_read_tp) |
| |
| GDATA(z_arm_tls_ptr) |
| |
| /* Grab the TLS pointer and store in R0. |
| * According to the Run-Time ABI for the Arm® Architecture section 5.3.5, this |
| * function may only clobber r0, ip, lr & CPSR. |
| * |
| * This can only be guaranteed by either implementing a naked C function with |
| * inline assembly, or plain assembly. |
| */ |
| SECTION_FUNC(TEXT, __aeabi_read_tp) |
| ldr r0, =z_arm_tls_ptr |
| ldr r0, [r0] |
| bx lr |
