| /***************************************************************************** |
| * |
| * Copyright (c) 2019, Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| ***************************************************************************/ |
| |
| #include <arch/asm.h> |
| #include <bl_uapp/bl_errorcodes_public.h> |
| |
| .global Main |
| .global _psp_vs_start |
| |
| .global PSP_VERSTAGE_STACK_END |
| |
| .arm |
| .text |
| .section "PSP_HEADER_DATA", "aw", %note |
| |
| //============================================================================== |
| // First 256 bytes of the binary image contain the header. |
| // Executable code starts from offset 0x100. |
| //============================================================================== |
| #include "bl_uapp_header.inc" |
| |
| //============================================================================== |
| // This is entry point to the binary which is called by main Boot Loader. |
| //============================================================================== |
| |
| ENTRY(_psp_vs_start) |
| |
| ldr sp, =PSP_VERSTAGE_STACK_END // stack pointer |
| |
| // Return value contains Virtual Address of mapped stack |
| // |
| ldr lr, =ShouldNotBeReached // return address |
| |
| ldr r2, =Main // pass control to verstage main function |
| blx r2 |
| |
| // This point should not be reached. The Main() function should return |
| // to main BL using Svc_Exit(). |
| // |
| ShouldNotBeReached: |
| mov r0, #BL_ERR_GENERIC // Returned from Main |
| svc #0x0 // SVC_EXIT |
| |
| ENDPROC(_psp_vs_start) |
| .end |