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230f984662
Now that most platforms don't need disable_fiq and arch_ret_to_user macros, we can remove the empty macros or empty entry-macro.S files. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Ryan Mallon <rmallon@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Shawn Guo <shawn.guo@linaro.org>
34 lines
845 B
ArmAsm
34 lines
845 B
ArmAsm
/*
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* Low-level IRQ helper macros for Gemini platform.
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*
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* Copyright (C) 2001-2006 Storlink, Corp.
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* Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <mach/hardware.h>
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#define IRQ_STATUS 0x14
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.macro get_irqnr_preamble, base, tmp
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS)
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ldr \irqnr, [\irqstat]
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cmp \irqnr, #0
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beq 2313f
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mov \tmp, \irqnr
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mov \irqnr, #0
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2312:
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tst \tmp, #1
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bne 2313f
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add \irqnr, \irqnr, #1
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mov \tmp, \tmp, lsr #1
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cmp \irqnr, #31
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bcc 2312b
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2313:
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.endm
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