19e1c41bbf
* grub-core/kern/mips/cache.S (grub_arch_sync_dma_caches): New function. * grub-core/bus/pci.c (grub_memalign_dma32): Flush caches. (grub_dma_free): Likewise. * include/grub/cache.h (grub_arch_sync_dma_caches): New declaration.
45 lines
No EOL
707 B
ArmAsm
45 lines
No EOL
707 B
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_cpu_flush_cache)
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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, $t2
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1:
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cache 1, 0($t0)
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addiu $t1, $t1, 0xffff
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bne $t1, $zero, 1b
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addiu $t0, $t0, 0x1
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sync
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move $t0, $t2
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subu $t1, $t3, $t2
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2:
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cache 0, 0($t0)
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addiu $t1, $t1, 0xffff
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x1
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sync
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move $t0, $t2
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subu $t1, $t3, $t2
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2:
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cache 23, 0($t0)
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addiu $t1, $t1, 0xffff
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bne $t1, $zero, 2b
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addiu $t0, $t0, 0x1
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sync
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jr $ra |