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68 lines
1.1 KiB
ArmAsm
68 lines
1.1 KiB
ArmAsm
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#include <grub/symbol.h>
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.set noreorder
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.set nomacro
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FUNCTION (grub_arch_sync_caches)
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#include "cache_flush.S"
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j $ra
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FUNCTION (grub_arch_sync_dma_caches)
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move $t2, $a0
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addu $t3, $a0, $a1
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srl $t2, $t2, 5
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sll $t2, $t2, 5
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addu $t3, $t3, 0x1f
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srl $t3, $t3, 5
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sll $t3, $t3, 5
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move $t0, $t2
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subu $t1, $t3, $t2
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1:
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cache_op 1, 0($t0)
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#ifdef GRUB_MACHINE_MIPS_LOONGSON
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cache_op 1, 1($t0)
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cache_op 1, 2($t0)
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cache_op 1, 3($t0)
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addiu $t1, $t1, -0x20
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bne $t1, $zero, 1b
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addiu $t0, $t0, 0x20
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#else
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addiu $t1, $t1, -4
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bne $t1, $zero, 1b
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addiu $t0, $t0, 0x4
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#endif
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sync_op
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move $t0, $t2
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subu $t1, $t3, $t2
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2:
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#ifdef GRUB_MACHINE_MIPS_LOONGSON
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cache_op 0, 0($t0)
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addiu $t1, $t1, -0x20
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x20
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#else
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cache_op 0, 0($t0)
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addiu $t1, $t1, -4
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x4
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#endif
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sync_op
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move $t0, $t2
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subu $t1, $t3, $t2
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2:
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#ifdef GRUB_MACHINE_MIPS_LOONGSON
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cache_op 23, 0($t0)
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addiu $t1, $t1, -0x20
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x20
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#else
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cache_op 23, 0($t0)
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addiu $t1, $t1, -0x4
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x4
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#endif
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sync_op
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jr $ra |