mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2025-01-25 16:32:55 +00:00
49 lines
1.3 KiB
ArmAsm
49 lines
1.3 KiB
ArmAsm
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/*
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* Copyright (c) 2019 Atmosphère-NX
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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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/* For some reason GAS doesn't know about it, even with .cpu cortex-a57 */
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#define cpuactlr_el1 s3_1_c15_c2_0
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#define cpuectlr_el1 s3_1_c15_c2_1
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.section .text.start, "ax", %progbits
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.align 3
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.global _start
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.type _start, %function
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_start:
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// Disable interrupts
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msr daifset, 0b1111
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// Set VBAR
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ldr x8, =__vectors_start__
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msr vbar_el2, x8
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// Set tmp stack
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ldr x8, =__stacks_top__
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mov sp, x8
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// Don't call init array to save space?
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// Clear BSS
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ldr x0, =__bss_start__
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mov w1, #0
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ldr x2, =__end__
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sub x2, x2, x0
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bl memset
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b . // FIXME!
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.pool
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