FreeCalypso > hg > freecalypso-tools
view target-utils/libbase/waitarm.S @ 453:6228d27738d1
target-utils: wait_ARM_cycles() added to libbase
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 09 Feb 2019 07:35:07 +0000 |
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children | 06ad5e30e8d0 |
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/* * This assembly module provides a wait_ARM_cycles() function just like * in TI's firmware; it is meant to gradually replace and phase out * osmo_delay_ms(). One loop count for this function equals 5 ARM clock * cycles when running out of IRAM. */ .text .code 32 .globl wait_ARM_cycles wait_ARM_cycles: cmp r0, #0 bxeq lr 1: sub r0, r0, #1 cmp r0, #0 bne 1b bx lr