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| Commit | Line | Data |
|---|---|---|
| c2f02da2 DH |
1 | /* Assembler macros for SPARC |
| 2 | * | |
| 3 | * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h | |
| 4 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. | |
| 5 | * | |
| 1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
| c2f02da2 DH |
7 | */ |
| 8 | ||
| 9 | #ifndef __SPARC_ASMMACRO_H__ | |
| 10 | #define __SPARC_ASMMACRO_H__ | |
| 11 | ||
| 12 | #include <config.h> | |
| 13 | ||
| 14 | /* All trap entry points _must_ begin with this macro or else you | |
| 15 | * lose. It makes sure the kernel has a proper window so that | |
| 16 | * c-code can be called. | |
| 17 | */ | |
| 18 | #define SAVE_ALL_HEAD \ | |
| 14d0a02a WD |
19 | sethi %hi(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l4; \ |
| 20 | jmpl %l4 + %lo(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l6; | |
| c2f02da2 DH |
21 | #define SAVE_ALL \ |
| 22 | SAVE_ALL_HEAD \ | |
| 23 | nop; | |
| 24 | ||
| 25 | /* All traps low-level code here must end with this macro. */ | |
| 26 | #define RESTORE_ALL b ret_trap_entry; clr %l6; | |
| 27 | ||
| 28 | #endif |