/* * arch/arm/mach-clps711x/include/mach/entry-macro.S * * Low-level IRQ helper macros for CLPS711X-based 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 #include .macro disable_fiq .endm .macro get_irqnr_preamble, base, tmp .endm .macro arch_ret_to_user, tmp1, tmp2 .endm #if (INTSR2 - INTSR1) != (INTMR2 - INTMR1) #error INTSR stride != INTMR stride #endif .macro get_irqnr_and_base, irqnr, stat, base, mask mov \base, #CLPS7111_BASE ldr \stat, [\base, #INTSR1] ldr \mask, [\base, #INTMR1] mov \irqnr, #4 mov \mask, \mask, lsl #16 and \stat, \stat, \mask, lsr #16 movs \stat, \stat, lsr #4 bne 1001f add \base, \base, #INTSR2 - INTSR1 ldr \stat, [\base, #INTSR1] ldr \mask, [\base, #INTMR1] mov \irqnr, #16 mov \mask, \mask, lsl #16 and \stat, \stat, \mask, lsr #16 1001: tst \stat, #255 addeq \irqnr, \irqnr, #8 moveq \stat, \stat, lsr #8 tst \stat, #15 addeq \irqnr, \irqnr, #4 moveq \stat, \stat, lsr #4 tst \stat, #3 addeq \irqnr, \irqnr, #2 moveq \stat, \stat, lsr #2 tst \stat, #1 addeq \irqnr, \irqnr, #1 moveq \stat, \stat, lsr #1 tst \stat, #1 @ bit 0 should be set .endm