diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-ks8695/include/mach/entry-macro.S | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-ks8695/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/entry-macro.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-ks8695/include/mach/entry-macro.S b/arch/arm/mach-ks8695/include/mach/entry-macro.S new file mode 100644 index 000000000..8315b34f3 --- /dev/null +++ b/arch/arm/mach-ks8695/include/mach/entry-macro.S @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-ks8695/include/mach/entry-macro.S + * + * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> + * Copyright (C) 2006 Simtec Electronics + * + * Low-level IRQ helper macros for KS8695 + * + * 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/hardware.h> +#include <mach/regs-irq.h> + + .macro get_irqnr_preamble, base, tmp + ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register + + teq \irqstat, #0 + beq 1001f + + mov \irqnr, #0 + + tst \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tsteq \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tsteq \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tst \irqstat, #0x0f + moveq \irqstat, \irqstat, lsr #4 + addeq \irqnr, \irqnr, #4 + tst \irqstat, #0x03 + moveq \irqstat, \irqstat, lsr #2 + addeq \irqnr, \irqnr, #2 + tst \irqstat, #0x01 + addeqs \irqnr, \irqnr, #1 +1001: + .endm |