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efi/loongarch: Implement efi_cache_sync_image()

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Provide a LoongArch implementation of efi_cache_sync_image() to ensure
instruction cache coherency after the kernel image is relocated.

Signed-off-by: WANG Rui <r@hev.cc>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
WANG Rui
2026-04-27 16:47:20 +08:00
committed by Ard Biesheuvel
parent 883a32793c
commit ad6f4f3ea7
1 changed files with 5 additions and 0 deletions
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5
drivers/firmware/efi/libstub/loongarch.c
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@@ -18,6 +18,11 @@ efi_status_t check_platform_features(void)
return EFI_SUCCESS;
}
void efi_cache_sync_image(unsigned long image_base, unsigned long alloc_size)
{
asm volatile ("ibar 0" ::: "memory");
}
struct exit_boot_struct {
efi_memory_desc_t *runtime_map;
int runtime_entry_count;