summaryrefslogtreecommitdiffstats
path: root/arch/csky/abiv1
diff options
context:
space:
mode:
Diffstat (limited to 'arch/csky/abiv1')
-rw-r--r--arch/csky/abiv1/inc/abi/cacheflush.h1
-rw-r--r--arch/csky/abiv1/inc/abi/ckmmu.h10
-rw-r--r--arch/csky/abiv1/inc/abi/entry.h1
-rw-r--r--arch/csky/abiv1/inc/abi/page.h1
-rw-r--r--arch/csky/abiv1/inc/abi/pgtable-bits.h40
-rw-r--r--arch/csky/abiv1/inc/abi/reg_ops.h1
-rw-r--r--arch/csky/abiv1/inc/abi/regdef.h6
-rw-r--r--arch/csky/abiv1/inc/abi/string.h1
-rw-r--r--arch/csky/abiv1/inc/abi/switch_context.h1
-rw-r--r--arch/csky/abiv1/inc/abi/vdso.h18
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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 11:17:02 +0100