; ; Copyright (c) 2020, Texas Instruments Incorporated ; 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 Texas Instruments Incorporated 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 THE COPYRIGHT OWNER OR ; CONTRIBUTORS 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. ; ; ; ======== utilsCopyVecs2ATcm.asm ======== ; Copies sysbios defined vector to ATM area ; .text .sect ".utilsCopyVecsToAtcm" ;============================================================================== ; void utilsCopyVecs2ATcm( void ) ;============================================================================== .global ti_sysbios_family_arm_v7r_keystone3_Hwi_vectors .global utilsCopyVecs2ATcm utilsCopyVecs2ATcm: .asmfunc ; mrc p15, #0, r0, c9, c1, #1 ; read ATCM Region Register ; tst r0, #1 ; beq exit ; do nothing if ATCM disabled movw r0, ti_sysbios_family_arm_v7r_keystone3_Hwi_vectors movt r0, ti_sysbios_family_arm_v7r_keystone3_Hwi_vectors mov r1, #0 ; ATCM address mov r2, #64 ; 256 bytes loop: ldr r3, [r0], #4 str r3, [r1], #4 subs r2, r2, #4 bgt loop exit: bx lr .endasmfunc .end