mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-23 04:12:02 +00:00
128 lines
1.6 KiB
ArmAsm
Vendored
128 lines
1.6 KiB
ArmAsm
Vendored
/**
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* @file cache.s
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* @copyright libnx Authors
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*/
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.macro CODE_BEGIN name
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.section .text.\name, "ax", %progbits
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.global \name
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.type \name, %function
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.align 2
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.cfi_startproc
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\name:
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.endm
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.macro CODE_END
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.cfi_endproc
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.endm
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CODE_BEGIN armDCacheFlush
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add x1, x1, x0
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mrs x8, CTR_EL0
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lsr x8, x8, #16
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and x8, x8, #0xf
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mov x9, #4
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lsl x9, x9, x8
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sub x10, x9, #1
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bic x8, x0, x10
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mov x10, x1
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mov w1, #1
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mrs x0, tpidrro_el0
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strb w1, [x0, #0x104]
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armDCacheFlush_L0:
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dc civac, x8
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add x8, x8, x9
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cmp x8, x10
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bcc armDCacheFlush_L0
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dsb sy
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strb wzr, [x0, #0x104]
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ret
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CODE_END
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CODE_BEGIN armDCacheClean
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add x1, x1, x0
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mrs x8, CTR_EL0
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lsr x8, x8, #16
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and x8, x8, #0xf
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mov x9, #4
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lsl x9, x9, x8
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sub x10, x9, #1
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bic x8, x0, x10
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mov x10, x1
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mov w1, #1
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mrs x0, tpidrro_el0
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strb w1, [x0, #0x104]
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armDCacheClean_L0:
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dc cvac, x8
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add x8, x8, x9
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cmp x8, x10
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bcc armDCacheClean_L0
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dsb sy
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strb wzr, [x0, #0x104]
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ret
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CODE_END
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CODE_BEGIN armICacheInvalidate
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add x1, x1, x0
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mrs x8, CTR_EL0
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and x8, x8, #0xf
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mov x9, #4
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lsl x9, x9, x8
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sub x10, x9, #1
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bic x8, x0, x10
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mov x10, x1
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mov w1, #1
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mrs x0, tpidrro_el0
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strb w1, [x0, #0x104]
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armICacheInvalidate_L0:
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ic ivau, x8
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add x8, x8, x9
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cmp x8, x10
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bcc armICacheInvalidate_L0
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dsb sy
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strb wzr, [x0, #0x104]
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ret
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CODE_END
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CODE_BEGIN armDCacheZero
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add x1, x1, x0
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mrs x8, CTR_EL0
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lsr x8, x8, #16
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and x8, x8, #0xf
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mov x9, #4
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lsl x9, x9, x8
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sub x10, x9, #1
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bic x8, x0, x10
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mov x10, x1
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mov w1, #1
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mrs x0, tpidrro_el0
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strb w1, [x0, #0x104]
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armDCacheZero_L0:
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dc zva, x8
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add x8, x8, x9
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cmp x8, x10
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bcc armDCacheZero_L0
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dsb sy
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strb wzr, [x0, #0x104]
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ret
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CODE_END
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