31 lines
867 B
Diff
31 lines
867 B
Diff
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From 7dccf456ce7fe693c6e488a812dc8f14ea592eeb Mon Sep 17 00:00:00 2001
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From: mengyingkun <mengyingkun@loongson.cn>
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Date: Wed, 22 Mar 2023 09:29:42 +0800
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Subject: [PATCH] loongarch: Implement cache synchronization operation
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When the module is loaded, ICACHE and DCACHE need to flush
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before calling init function. If the caches are not flushed,
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loader will crash unexpectedly.
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Signed-off-by: mengyingkun <mengyingkun@loongson.cn>
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---
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grub-core/kern/loongarch64/cache.S | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/grub-core/kern/loongarch64/cache.S b/grub-core/kern/loongarch64/cache.S
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index d291c67..6e32d37 100644
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--- a/grub-core/kern/loongarch64/cache.S
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+++ b/grub-core/kern/loongarch64/cache.S
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@@ -19,6 +19,8 @@
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#include <grub/symbol.h>
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FUNCTION (grub_arch_sync_caches)
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+ ibar 0
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+ dbar 0
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jr $ra
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FUNCTION (grub_arch_sync_dma_caches)
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--
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2.33.0
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