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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/mips/include/asm/tlb.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/tlb.h')
-rw-r--r--arch/mips/include/asm/tlb.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
new file mode 100644
index 0000000000..90f3ad76d9
--- /dev/null
+++ b/arch/mips/include/asm/tlb.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_TLB_H
+#define __ASM_TLB_H
+
+#include <asm/cpu-features.h>
+#include <asm/mipsregs.h>
+
+#define _UNIQUE_ENTRYHI(base, idx) \
+ (((base) + ((idx) << (PAGE_SHIFT + 1))) | \
+ (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
+#define UNIQUE_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG0, idx)
+#define UNIQUE_GUEST_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG1, idx)
+
+static inline unsigned int num_wired_entries(void)
+{
+ unsigned int wired = read_c0_wired();
+
+ if (cpu_has_mips_r6)
+ wired &= MIPSR6_WIRED_WIRED;
+
+ return wired;
+}
+
+#include <asm-generic/tlb.h>
+
+#endif /* __ASM_TLB_H */