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lib
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modules
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4.4.0-1128-aws
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build
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arch
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arm
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mach-orion5x
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include
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mach
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Filename :
entry-macro.S
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/* * arch/arm/mach-orion5x/include/mach/entry-macro.S * * Low-level IRQ helper macros for Orion platforms * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include <mach/bridge-regs.h> .macro get_irqnr_preamble, base, tmp ldr \base, =MAIN_IRQ_CAUSE .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \irqstat, [\base, #0] @ main cause ldr \tmp, [\base, #(MAIN_IRQ_MASK - MAIN_IRQ_CAUSE)] @ main mask mov \irqnr, #0 @ default irqnr @ find cause bits that are unmasked ands \irqstat, \irqstat, \tmp @ clear Z flag if any clzne \irqnr, \irqstat @ calc irqnr rsbne \irqnr, \irqnr, #32 .endm