projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 807e2604 HL |
1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| 3 | # CpuBreakpoint() for AArch64\r | |
| 4 | #\r | |
| 5 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
| 6 | # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
| 7 | # Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r | |
| 9344f092 | 8 | # SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 807e2604 HL |
9 | #\r |
| 10 | #------------------------------------------------------------------------------\r | |
| 11 | \r | |
| 12 | .text\r | |
| 13 | .p2align 2\r | |
| 0f895683 | 14 | GCC_ASM_EXPORT(CpuBreakpoint)\r |
| 807e2604 HL |
15 | \r |
| 16 | #/**\r | |
| 17 | # Generates a breakpoint on the CPU.\r | |
| 18 | #\r | |
| 19 | # Generates a breakpoint on the CPU. The breakpoint must be implemented such\r | |
| 20 | # that code can resume normal execution after the breakpoint.\r | |
| 21 | #\r | |
| 22 | #**/\r | |
| 23 | #VOID\r | |
| 24 | #EFIAPI\r | |
| 25 | #CpuBreakpoint (\r | |
| 26 | # VOID\r | |
| 27 | # );\r | |
| 28 | #\r | |
| 29 | ASM_PFX(CpuBreakpoint):\r | |
| 30 | svc 0xdbdb // Superviser exception. Takes 16bit arg -> Armv7 had 'swi' here.\r | |
| 31 | ret\r |