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36 lines
749 B
ArmAsm
36 lines
749 B
ArmAsm
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/* linux/include/asm-arm/arch-rpc/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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.macro addruart,rx
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mov \rx, #0xe0000000
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orr \rx, \rx, #0x00010000
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orr \rx, \rx, #0x00000fe0
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.endm
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.macro senduart,rd,rx
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strb \rd, [\rx]
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.endm
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.macro busyuart,rd,rx
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1001: ldrb \rd, [\rx, #0x14]
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and \rd, \rd, #0x60
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teq \rd, #0x60
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bne 1001b
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.endm
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.macro waituart,rd,rx
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1001: ldrb \rd, [\rx, #0x18]
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tst \rd, #0x10
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beq 1001b
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.endm
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