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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7412b10f79
Squeeze three instructions out of the iop32x irq demuxer, and nine out of the iop33x irq demuxer by using the hardware vector generator. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
25 lines
641 B
ArmAsm
25 lines
641 B
ArmAsm
/*
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* include/asm-arm/arch-iop32x/entry-macro.S
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*
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* Low-level IRQ helper macros for IOP32x-based platforms
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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 <asm/arch/irqs.h>
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.macro disable_fiq
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.endm
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/*
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* Note: only deal with normal interrupts, not FIQ
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*/
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \base, =IOP3XX_REG_ADDR(0x07D8)
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ldr \irqstat, [\base] @ Read IINTSRC
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cmp \irqstat, #0
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clzne \irqnr, \irqstat
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rsbne \irqnr, \irqnr, #31
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.endm
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