cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fiq.S (437B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#include <linux/linkage.h>
      3#include <asm/assembler.h>
      4#include <mach/hardware.h>
      5
      6	.equ	ioc_base_high, IOC_BASE & 0xff000000
      7	.equ	ioc_base_low, IOC_BASE & 0x00ff0000
      8
      9	.text
     10	.global	rpc_default_fiq_end
     11ENTRY(rpc_default_fiq_start)
     12	mov	r12, #ioc_base_high
     13	.if	ioc_base_low
     14	orr	r12, r12, #ioc_base_low
     15	.endif
     16	strb	r12, [r12, #0x38]	@ Disable FIQ register
     17	subs	pc, lr, #4
     18rpc_default_fiq_end: