32 lines
580 B
ArmAsm
32 lines
580 B
ArmAsm
/*
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* \brief VFPv2 context load/store
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* \author Stefan Kalkowski
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* \date 2018-05-06
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*/
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/*
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* Copyright (C) 2018 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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.section .text
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.global vfp_save_fpu_context
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vfp_save_fpu_context:
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vmrs r1, fpscr
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stmia r0!, {r1}
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vstm r0!, {d0-d15}
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mov pc, lr
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.global vfp_load_fpu_context
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vfp_load_fpu_context:
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push { r1, lr }
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ldr r1, [r0]
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vmsr fpscr, r1
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add r1, r0, #4
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vldm r1!, {d0-d15}
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pop { r1, pc }
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