1 files changed, 70 insertions, 0 deletions
diff --git a/grub-core/kern/mips/cache.S b/grub-core/kern/mips/cache.S
new file mode 100644
index 0000000..fa331ec
--- /dev/null
+++ b/grub-core/kern/mips/cache.S
@@ -0,0 +1,70 @@
+
+#include <grub/symbol.h>
+
+	.set noreorder
+	.set nomacro
+
+FUNCTION (grub_arch_sync_caches)
+#include "cache_flush.S"
+	j $ra
+	 nop
+
+FUNCTION (grub_arch_sync_dma_caches)
+	move $t2, $a0
+	addu $t3, $a0, $a1
+	srl $t2, $t2, 5
+	sll $t2, $t2, 5
+	addu $t3, $t3, 0x1f
+	srl $t3, $t3, 5
+	sll $t3, $t3, 5
+	move $t0, $t2
+	subu $t1, $t3, $t2
+1:
+	cache_op 1, 0($t0)
+#ifdef GRUB_MACHINE_MIPS_LOONGSON
+	cache_op 1, 1($t0)
+	cache_op 1, 2($t0)
+	cache_op 1, 3($t0)
+
+	addiu $t1, $t1, -0x20
+	bne $t1, $zero, 1b
+	 addiu $t0, $t0, 0x20
+#else
+	addiu $t1, $t1, -4
+	bne $t1, $zero, 1b
+	 addiu $t0, $t0, 0x4
+#endif
+	sync_op
+	move $t0, $t2
+	subu $t1, $t3, $t2
+2:
+#ifdef GRUB_MACHINE_MIPS_LOONGSON
+	cache_op 0, 0($t0)
+	addiu $t1, $t1, -0x20
+	bne $t1, $zero, 2b
+	 addiu $t0, $t0, 0x20
+#else
+	cache_op 0, 0($t0)
+	addiu $t1, $t1, -4
+	bne $t1, $zero, 2b
+	 addiu $t0, $t0, 0x4
+#endif
+	sync_op
+	move $t0, $t2
+	subu $t1, $t3, $t2
+2:
+#ifdef GRUB_MACHINE_MIPS_LOONGSON
+	cache_op 23, 0($t0)
+	addiu $t1, $t1, -0x20
+	bne $t1, $zero, 2b
+	 addiu $t0, $t0, 0x20
+#else
+	cache_op 23, 0($t0)
+	addiu $t1, $t1, -0x4
+	bne $t1, $zero, 2b
+	 addiu $t0, $t0, 0x4
+#endif
+	sync_op
+
+	jr $ra
+	 nop