ec25fec145
--HG-- branch : dtrg-videocore rename : plat/rpi/libsys/libsys.h => plat/rpi/libsys/libsysasm.h rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/phys_to_user.s rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/uart.s rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/user_to_phys.s
20 lines
393 B
ArmAsm
20 lines
393 B
ArmAsm
#
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/*
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* Raspberry Pi support library for the ACK
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* © 2013 David Given
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* This file is redistributable under the terms of the 3-clause BSD license.
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* See the file 'Copying' in the root of the distribution for the full text.
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*/
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#include "libsysasm.h"
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.sect .text
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! Transforms a user address into a physical address.
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.define _user_to_phys
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_user_to_phys:
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ld r0, 0 (sp)
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add r0, gp
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b lr
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