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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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30 lines
701 B
ArmAsm
30 lines
701 B
ArmAsm
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/* linux/include/asm-arm/arch-integrator/debug-macro.S
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*
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* Debugging macro include header
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*
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* Copyright (C) 1994-1999 Russell King
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/amba/serial.h>
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.macro senduart,rd,rx
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strb \rd, [\rx, #UART01x_DR]
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.endm
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.macro waituart,rd,rx
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1001: ldr \rd, [\rx, #UART01x_FR]
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tst \rd, #UART01x_FR_TXFF
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bne 1001b
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.endm
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.macro busyuart,rd,rx
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1001: ldr \rd, [\rx, #UART01x_FR]
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tst \rd, #UART01x_FR_BUSY
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bne 1001b
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.endm
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