38 lines
1.0 KiB
ArmAsm
38 lines
1.0 KiB
ArmAsm
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/*
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* Copyright (C) 2007 Google, Inc.
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* Author: Brian Swetland <swetland@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <mach/msm_iomap.h>
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.macro disable_fiq
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.endm
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.macro get_irqnr_preamble, base, tmp
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@ enable imprecise aborts
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cpsie a
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mov \base, #MSM_VIC_BASE
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.endm
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.macro arch_ret_to_user, tmp1, tmp2
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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@ 0xD0 has irq# or old irq# if the irq has been handled
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@ 0xD4 has irq# or -1 if none pending *but* if you just
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@ read 0xD4 you never get the first irq for some reason
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ldr \irqnr, [\base, #0xD0]
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ldr \irqnr, [\base, #0xD4]
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cmp \irqnr, #0xffffffff
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.endm
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