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34 lines
1 KiB
ArmAsm
34 lines
1 KiB
ArmAsm
/*
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* Copyright (c) 2018 naehrwert
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* TODO: the placement of the relocator is a bit fragile atm, maybe we
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* should include it in start.S and copy it to some known good
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* place in IRAM instead. Basically we want it as far back atm
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* as it might be overwritten during relocation.
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*/
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.section .text.reloc
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.arm
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.globl _reloc_ipl
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.type _reloc_ipl, %function
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_reloc_ipl:
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LDMIA R0!, {R4-R7}
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STMIA R1!, {R4-R7}
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SUBS R2, #0x10
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BNE _reloc_ipl
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BX R3
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