10 files changed, 41 insertions, 39 deletions
diff --git a/arch/csky/abiv1/inc/abi/cacheflush.h b/arch/csky/abiv1/inc/abi/cacheflush.h
index d3e04208d53c..6cab7afae962 100644
--- a/arch/csky/abiv1/inc/abi/cacheflush.h
+++ b/arch/csky/abiv1/inc/abi/cacheflush.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ABI_CSKY_CACHEFLUSH_H
 #define __ABI_CSKY_CACHEFLUSH_H
diff --git a/arch/csky/abiv1/inc/abi/ckmmu.h b/arch/csky/abiv1/inc/abi/ckmmu.h
index ba8eb5870835..416b30c57983 100644
--- a/arch/csky/abiv1/inc/abi/ckmmu.h
+++ b/arch/csky/abiv1/inc/abi/ckmmu.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ASM_CSKY_CKMMUV1_H
 #define __ASM_CSKY_CKMMUV1_H
@@ -89,13 +88,14 @@ static inline void tlb_invalid_indexed(void)
 	cpwcr("cpcr8", 0x02000000);
 }
 
-static inline void setup_pgd(unsigned long pgd, bool kernel)
+static inline void setup_pgd(pgd_t *pgd, int asid)
 {
-	cpwcr("cpcr29", pgd | BIT(0));
+	cpwcr("cpcr29", __pa(pgd) | BIT(0));
+	write_mmu_entryhi(asid);
 }
 
-static inline unsigned long get_pgd(void)
+static inline pgd_t *get_pgd(void)
 {
-	return cprcr("cpcr29") & ~BIT(0);
+	return __va(cprcr("cpcr29") & ~BIT(0));
 }
 #endif /* __ASM_CSKY_CKMMUV1_H */
diff --git a/arch/csky/abiv1/inc/abi/entry.h b/arch/csky/abiv1/inc/abi/entry.h
index 13c23e2c707c..b6a2109b895e 100644
--- a/arch/csky/abiv1/inc/abi/entry.h
+++ b/arch/csky/abiv1/inc/abi/entry.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ASM_CSKY_ENTRY_H
 #define __ASM_CSKY_ENTRY_H
diff --git a/arch/csky/abiv1/inc/abi/page.h b/arch/csky/abiv1/inc/abi/page.h
index c864519117c7..2d2159933b76 100644
--- a/arch/csky/abiv1/inc/abi/page.h
+++ b/arch/csky/abiv1/inc/abi/page.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #include <asm/shmparam.h>
 
diff --git a/arch/csky/abiv1/inc/abi/pgtable-bits.h b/arch/csky/abiv1/inc/abi/pgtable-bits.h
index d605445aad9a..752c8b3f9194 100644
--- a/arch/csky/abiv1/inc/abi/pgtable-bits.h
+++ b/arch/csky/abiv1/inc/abi/pgtable-bits.h
@@ -1,37 +1,49 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ASM_CSKY_PGTABLE_BITS_H
 #define __ASM_CSKY_PGTABLE_BITS_H
 
 /* implemented in software */
-#define _PAGE_ACCESSED		(1<<3)
-#define PAGE_ACCESSED_BIT	(3)
-
+#define _PAGE_PRESENT		(1<<0)
 #define _PAGE_READ		(1<<1)
 #define _PAGE_WRITE		(1<<2)
-#define _PAGE_PRESENT		(1<<0)
-
+#define _PAGE_ACCESSED		(1<<3)
 #define _PAGE_MODIFIED		(1<<4)
-#define PAGE_MODIFIED_BIT	(4)
 
 /* implemented in hardware */
 #define _PAGE_GLOBAL		(1<<6)
-
 #define _PAGE_VALID		(1<<7)
-#define PAGE_VALID_BIT		(7)
-
 #define _PAGE_DIRTY		(1<<8)
-#define PAGE_DIRTY_BIT		(8)
 
 #define _PAGE_CACHE		(3<<9)
 #define _PAGE_UNCACHE		(2<<9)
 #define _PAGE_SO		_PAGE_UNCACHE
-
 #define _CACHE_MASK		(7<<9)
 
-#define _CACHE_CACHED		(_PAGE_VALID | _PAGE_CACHE)
-#define _CACHE_UNCACHED		(_PAGE_VALID | _PAGE_UNCACHE)
+#define _CACHE_CACHED		_PAGE_CACHE
+#define _CACHE_UNCACHED		_PAGE_UNCACHE
+
+#define _PAGE_PROT_NONE		_PAGE_READ
+
+/*
+ * Encode and decode a swap entry
+ *
+ * Format of swap PTE:
+ *     bit          0:    _PAGE_PRESENT (zero)
+ *     bit          1:    _PAGE_READ (zero)
+ *     bit      2 - 5:    swap type[0 - 3]
+ *     bit          6:    _PAGE_GLOBAL (zero)
+ *     bit          7:    _PAGE_VALID (zero)
+ *     bit          8:    swap type[4]
+ *     bit     9 - 31:    swap offset
+ */
+#define __swp_type(x)			((((x).val >> 2) & 0xf) | \
+					(((x).val >> 4) & 0x10))
+#define __swp_offset(x)			((x).val >> 9)
+#define __swp_entry(type, offset)	((swp_entry_t) { \
+					((type & 0xf) << 2) | \
+					((type & 0x10) << 4) | \
+					((offset) << 9)})
 
 #define HAVE_ARCH_UNMAPPED_AREA
 
diff --git a/arch/csky/abiv1/inc/abi/reg_ops.h b/arch/csky/abiv1/inc/abi/reg_ops.h
index a153bd3918f7..abd01a243388 100644
--- a/arch/csky/abiv1/inc/abi/reg_ops.h
+++ b/arch/csky/abiv1/inc/abi/reg_ops.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ABI_REG_OPS_H
 #define __ABI_REG_OPS_H
diff --git a/arch/csky/abiv1/inc/abi/regdef.h b/arch/csky/abiv1/inc/abi/regdef.h
index 104707fbdcc1..7b386fd67070 100644
--- a/arch/csky/abiv1/inc/abi/regdef.h
+++ b/arch/csky/abiv1/inc/abi/regdef.h
@@ -1,10 +1,14 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ASM_CSKY_REGDEF_H
 #define __ASM_CSKY_REGDEF_H
 
+#ifdef __ASSEMBLY__
 #define syscallid	r1
+#else
+#define syscallid	"r1"
+#endif
+
 #define regs_syscallid(regs) regs->regs[9]
 #define regs_fp(regs) regs->regs[2]
 
diff --git a/arch/csky/abiv1/inc/abi/string.h b/arch/csky/abiv1/inc/abi/string.h
index 0cd43384f8d2..9d95594b0feb 100644
--- a/arch/csky/abiv1/inc/abi/string.h
+++ b/arch/csky/abiv1/inc/abi/string.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ABI_CSKY_STRING_H
 #define __ABI_CSKY_STRING_H
diff --git a/arch/csky/abiv1/inc/abi/switch_context.h b/arch/csky/abiv1/inc/abi/switch_context.h
index 17c82686498e..ec73fd7c9f87 100644
--- a/arch/csky/abiv1/inc/abi/switch_context.h
+++ b/arch/csky/abiv1/inc/abi/switch_context.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 
 #ifndef __ABI_CSKY_PTRACE_H
 #define __ABI_CSKY_PTRACE_H
diff --git a/arch/csky/abiv1/inc/abi/vdso.h b/arch/csky/abiv1/inc/abi/vdso.h
index 14352f524f1d..9e6d0a2fdd2b 100644
--- a/arch/csky/abiv1/inc/abi/vdso.h
+++ b/arch/csky/abiv1/inc/abi/vdso.h
@@ -1,17 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 
-#include <linux/uaccess.h>
+#ifndef __ABI_CSKY_VDSO_H
+#define __ABI_CSKY_VDSO_H
 
-static inline int setup_vdso_page(unsigned short *ptr)
-{
-	int err = 0;
+/* movi r1, 127; addi r1, (139 - 127) */
+#define SET_SYSCALL_ID	.long 0x20b167f1
 
-	/* movi r1, 127 */
-	err |= __put_user(0x67f1, ptr + 0);
-	/* addi r1, (139 - 127) */
-	err |= __put_user(0x20b1, ptr + 1);
-	/* trap 0 */
-	err |= __put_user(0x0008, ptr + 2);
-
-	return err;
-}
+#endif /* __ABI_CSKY_VDSO_H */