threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
42 lines
1.1 KiB
ArmAsm
42 lines
1.1 KiB
ArmAsm
/*
|
|
* arch/arm/mach-ixp4xx/include/mach/entry-macro.S
|
|
*
|
|
* Low-level IRQ helper macros for IXP4xx-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 <mach/hardware.h>
|
|
|
|
.macro get_irqnr_preamble, base, tmp
|
|
.endm
|
|
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
|
|
ldr \irqstat, [\irqstat] @ get interrupts
|
|
cmp \irqstat, #0
|
|
beq 1001f @ upper IRQ?
|
|
clz \irqnr, \irqstat
|
|
mov \base, #31
|
|
sub \irqnr, \base, \irqnr
|
|
b 1002f @ lower IRQ being
|
|
@ handled
|
|
|
|
1001:
|
|
/*
|
|
* IXP465/IXP435 has an upper IRQ status register
|
|
*/
|
|
#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
|
|
ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
|
|
ldr \irqstat, [\irqstat] @ get upper interrupts
|
|
mov \irqnr, #63
|
|
clz \irqstat, \irqstat
|
|
cmp \irqstat, #32
|
|
subne \irqnr, \irqnr, \irqstat
|
|
#endif
|
|
1002:
|
|
.endm
|
|
|
|
|