linux/include/asm-arm/arch-orion5x/entry-macro.S
Lennert Buytenhek 9dd0b194bf Orion: orion -> orion5x rename
Do a global s/orion/orion5x/ of the Orion 5x-specific bits (i.e.
not the plat-orion bits.)

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
2008-03-27 14:51:41 -04:00

32 lines
838 B
ArmAsm

/*
* include/asm-arm/arch-orion5x/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 <asm/arch/orion5x.h>
.macro disable_fiq
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.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, #31
.endm