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Atmosphere/emummc/source/nx/cache.s
Michael Scire b7a370b156 git subrepo clone --branch=develop https://github.com/m4xw/emuMMC emummc
subrepo:
  subdir:   "emummc"
  merged:   "e72e8f1c"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "e72e8f1c"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
2019-06-15 21:37:41 -07:00

100 lines
1.3 KiB
ArmAsm
Vendored

/**
* @file cache.s
* @copyright libnx Authors
*/
.macro CODE_BEGIN name
.section .text.\name, "ax", %progbits
.global \name
.type \name, %function
.align 2
.cfi_startproc
\name:
.endm
.macro CODE_END
.cfi_endproc
.endm
CODE_BEGIN armDCacheFlush
add x1, x1, x0
mrs x8, CTR_EL0
lsr x8, x8, #16
and x8, x8, #0xf
mov x9, #4
lsl x9, x9, x8
sub x10, x9, #1
bic x8, x0, x10
mov x10, x1
armDCacheFlush_L0:
dc civac, x8
add x8, x8, x9
cmp x8, x10
bcc armDCacheFlush_L0
dsb sy
ret
CODE_END
CODE_BEGIN armDCacheClean
add x1, x1, x0
mrs x8, CTR_EL0
lsr x8, x8, #16
and x8, x8, #0xf
mov x9, #4
lsl x9, x9, x8
sub x10, x9, #1
bic x8, x0, x10
mov x10, x1
armDCacheClean_L0:
dc cvac, x8
add x8, x8, x9
cmp x8, x10
bcc armDCacheClean_L0
dsb sy
ret
CODE_END
CODE_BEGIN armICacheInvalidate
add x1, x1, x0
mrs x8, CTR_EL0
and x8, x8, #0xf
mov x9, #4
lsl x9, x9, x8
sub x10, x9, #1
bic x8, x0, x10
mov x10, x1
armICacheInvalidate_L0:
ic ivau, x8
add x8, x8, x9
cmp x8, x10
bcc armICacheInvalidate_L0
dsb sy
ret
CODE_END
CODE_BEGIN armDCacheZero
add x1, x1, x0
mrs x8, CTR_EL0
lsr x8, x8, #16
and x8, x8, #0xf
mov x9, #4
lsl x9, x9, x8
sub x10, x9, #1
bic x8, x0, x10
mov x10, x1
armDCacheZero_L0:
dc zva, x8
add x8, x8, x9
cmp x8, x10
bcc armDCacheZero_L0
dsb sy
ret
CODE_END