LXR uboot/arch/nios2/lib/cache.S

   1/*
   2 * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
   3 * Scott McNutt <smcnutt@psyent.com>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <config.h>
   9
  10        .text
  11
  12        .global flush_dcache
  13
  14flush_dcache:
  15        add     r5, r5, r4
  16        movhi   r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
  17        ori     r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
  180:      flushd  0(r4)
  19        add     r4, r4, r8
  20        bltu    r4, r5, 0b
  21        ret
  22
  23
  24        .global flush_icache
  25
  26flush_icache:
  27        add     r5, r5, r4
  28        movhi   r8, %hi(CONFIG_SYS_ICACHELINE_SIZE)
  29        ori     r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE)
  301:      flushi  r4
  31        add     r4, r4, r8
  32        bltu    r4, r5, 1b
  33        ret
  34
  35        .global flush_dcache_range
  36
  37flush_dcache_range:
  38        movhi   r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
  39        ori     r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
  400:      flushd  0(r4)
  41        add     r4, r4, r8
  42        bltu    r4, r5, 0b
  43        ret
  44
  45        .global flush_cache
  46
  47flush_cache:
  48        add     r5, r5, r4
  49        mov     r9, r4
  50        mov     r10, r5
  51
  52        movhi   r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
  53        ori     r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
  540:      flushd  0(r4)
  55        add     r4, r4, r8
  56        bltu    r4, r5, 0b
  57
  58        mov     r4, r9
  59        mov     r5, r10
  60        movhi   r8, %hi(CONFIG_SYS_ICACHELINE_SIZE)
  61        ori     r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE)
  621:      flushi  r4
  63        add     r4, r4, r8
  64        bltu    r4, r5, 1b
  65
  66        sync
  67        flushp
  68        ret
  69