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-rw-r--r--arch/m68k/include/asm/bitops.h21
-rw-r--r--arch/m68k/include/asm/cacheflush_mm.h1
-rw-r--r--arch/m68k/include/asm/dvma.h8
-rw-r--r--arch/m68k/include/asm/fb.h19
-rw-r--r--arch/m68k/include/asm/io_mm.h24
-rw-r--r--arch/m68k/include/asm/irq.h5
-rw-r--r--arch/m68k/include/asm/kexec.h4
-rw-r--r--arch/m68k/include/asm/mcfgpio.h8
-rw-r--r--arch/m68k/include/asm/nettel.h5
-rw-r--r--arch/m68k/include/asm/oplib.h4
-rw-r--r--arch/m68k/include/asm/page_mm.h45
-rw-r--r--arch/m68k/include/asm/pgtable.h9
-rw-r--r--arch/m68k/include/asm/pgtable_no.h1
-rw-r--r--arch/m68k/include/asm/raw_io.h32
-rw-r--r--arch/m68k/include/asm/sun3_pgalloc.h10
-rw-r--r--arch/m68k/include/asm/syscalls.h19
-rw-r--r--arch/m68k/include/asm/tlbflush.h73
17 files changed, 175 insertions, 113 deletions
diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h
index e984af71df..14c64a6f12 100644
--- a/arch/m68k/include/asm/bitops.h
+++ b/arch/m68k/include/asm/bitops.h
@@ -319,6 +319,27 @@ arch___test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
return test_and_change_bit(nr, addr);
}
+static inline bool xor_unlock_is_negative_byte(unsigned long mask,
+ volatile unsigned long *p)
+{
+#ifdef CONFIG_COLDFIRE
+ __asm__ __volatile__ ("eorl %1, %0"
+ : "+m" (*p)
+ : "d" (mask)
+ : "memory");
+ return *p & (1 << 7);
+#else
+ char result;
+ char *cp = (char *)p + 3; /* m68k is big-endian */
+
+ __asm__ __volatile__ ("eor.b %1, %2; smi %0"
+ : "=d" (result)
+ : "di" (mask), "o" (*cp)
+ : "memory");
+ return result;
+#endif
+}
+
/*
* The true 68020 and more advanced processors support the "bfffo"
* instruction for finding bits. ColdFire and simple 68000 parts
diff --git a/arch/m68k/include/asm/cacheflush_mm.h b/arch/m68k/include/asm/cacheflush_mm.h
index ed12358c47..9a71b01484 100644
--- a/arch/m68k/include/asm/cacheflush_mm.h
+++ b/arch/m68k/include/asm/cacheflush_mm.h
@@ -191,6 +191,7 @@ extern void cache_push_v(unsigned long vaddr, int len);
#define flush_cache_all() __flush_cache_all()
#define flush_cache_vmap(start, end) flush_cache_all()
+#define flush_cache_vmap_early(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) flush_cache_all()
static inline void flush_cache_mm(struct mm_struct *mm)
diff --git a/arch/m68k/include/asm/dvma.h b/arch/m68k/include/asm/dvma.h
index f609ec1de3..d1d66d0484 100644
--- a/arch/m68k/include/asm/dvma.h
+++ b/arch/m68k/include/asm/dvma.h
@@ -58,12 +58,16 @@ extern void dvma_free(void *vaddr);
#define dvma_vtob(x) dvma_vtop(x)
#define dvma_btov(x) dvma_ptov(x)
+void sun3_dvma_init(void);
+
static inline int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr,
int len)
{
return 0;
}
+static inline void dvma_unmap_iommu(unsigned long baddr, int len) { }
+
#else /* Sun3x */
/* sun3x dvma page support */
@@ -78,9 +82,11 @@ static inline int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr,
#define dvma_vtob(x) ((unsigned long)(x) & 0x00ffffff)
#define dvma_btov(x) ((unsigned long)(x) | 0xff000000)
-extern int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, int len);
+static inline void sun3_dvma_init(void) { }
+int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, int len);
+void dvma_unmap_iommu(unsigned long baddr, int len);
/* everything below this line is specific to dma used for the onboard
ESP scsi on sun3x */
diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h
index 24273fc7ad..9941b7434b 100644
--- a/arch/m68k/include/asm/fb.h
+++ b/arch/m68k/include/asm/fb.h
@@ -5,26 +5,27 @@
#include <asm/page.h>
#include <asm/setup.h>
-struct file;
-
-static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
- unsigned long off)
+static inline pgprot_t pgprot_framebuffer(pgprot_t prot,
+ unsigned long vm_start, unsigned long vm_end,
+ unsigned long offset)
{
#ifdef CONFIG_MMU
#ifdef CONFIG_SUN3
- pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
+ pgprot_val(prot) |= SUN3_PAGE_NOCACHE;
#else
if (CPU_IS_020_OR_030)
- pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
+ pgprot_val(prot) |= _PAGE_NOCACHE030;
if (CPU_IS_040_OR_060) {
- pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
+ pgprot_val(prot) &= _CACHEMASK040;
/* Use no-cache mode, serialized */
- pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
+ pgprot_val(prot) |= _PAGE_NOCACHE_S;
}
#endif /* CONFIG_SUN3 */
#endif /* CONFIG_MMU */
+
+ return prot;
}
-#define fb_pgprotect fb_pgprotect
+#define pgprot_framebuffer pgprot_framebuffer
#include <asm-generic/fb.h>
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index 6a0abd4846..47525f2a57 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -272,20 +272,20 @@ static inline void isa_delay(void)
#define isa_outsb(port, buf, nr) raw_outsb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_insw(port, buf, nr) \
- (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_outsw(port, buf, nr) \
- (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_insl(port, buf, nr) \
- (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) : \
- raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
+ (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) : \
+ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
#define isa_outsl(port, buf, nr) \
- (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
- raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
+ (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
+ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
#ifdef CONFIG_ATARI_ROM_ISA
@@ -297,14 +297,14 @@ static inline void isa_delay(void)
#define isa_rom_insb(port, buf, nr) raw_rom_insb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_rom_insw(port, buf, nr) \
- (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#define isa_rom_outsb(port, buf, nr) raw_rom_outsb(isa_itb(port), (u8 *)(buf), (nr))
#define isa_rom_outsw(port, buf, nr) \
- (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
- raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
+ (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \
+ raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))
#endif /* CONFIG_ATARI_ROM_ISA */
#endif /* CONFIG_ISA || CONFIG_ATARI_ROM_ISA */
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 7829e955ca..14992fde73 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -2,6 +2,9 @@
#ifndef _M68K_IRQ_H_
#define _M68K_IRQ_H_
+#include <linux/atomic.h>
+#include <linux/linkage.h>
+
/*
* This should be the same as the max(NUM_X_SOURCES) for all the
* different m68k hosts compiled into the kernel.
@@ -59,6 +62,8 @@
struct irq_data;
struct irq_chip;
struct irq_desc;
+struct pt_regs;
+
extern unsigned int m68k_irq_startup(struct irq_data *data);
extern unsigned int m68k_irq_startup_irq(unsigned int irq);
extern void m68k_irq_shutdown(struct irq_data *data);
diff --git a/arch/m68k/include/asm/kexec.h b/arch/m68k/include/asm/kexec.h
index f5a8b2defa..3b0b64f0a3 100644
--- a/arch/m68k/include/asm/kexec.h
+++ b/arch/m68k/include/asm/kexec.h
@@ -2,7 +2,7 @@
#ifndef _ASM_M68K_KEXEC_H
#define _ASM_M68K_KEXEC_H
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
@@ -25,6 +25,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_KEXEC_CORE */
#endif /* _ASM_M68K_KEXEC_H */
diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h
index 7abd322c01..019f244395 100644
--- a/arch/m68k/include/asm/mcfgpio.h
+++ b/arch/m68k/include/asm/mcfgpio.h
@@ -8,10 +8,6 @@
#ifndef mcfgpio_h
#define mcfgpio_h
-#ifdef CONFIG_GPIOLIB
-#include <linux/gpio.h>
-#else
-
int __mcfgpio_get_value(unsigned gpio);
void __mcfgpio_set_value(unsigned gpio, int value);
int __mcfgpio_direction_input(unsigned gpio);
@@ -19,6 +15,10 @@ int __mcfgpio_direction_output(unsigned gpio, int value);
int __mcfgpio_request(unsigned gpio);
void __mcfgpio_free(unsigned gpio);
+#ifdef CONFIG_GPIOLIB
+#include <linux/gpio.h>
+#else
+
/* our alternate 'gpiolib' functions */
static inline int __gpio_get_value(unsigned gpio)
{
diff --git a/arch/m68k/include/asm/nettel.h b/arch/m68k/include/asm/nettel.h
index 45716ead7b..3bd4b7a461 100644
--- a/arch/m68k/include/asm/nettel.h
+++ b/arch/m68k/include/asm/nettel.h
@@ -14,9 +14,8 @@
#define nettel_h
/****************************************************************************/
-
/****************************************************************************/
-#ifdef CONFIG_NETtel
+#if defined(CONFIG_NETtel) || defined(CONFIG_CLEOPATRA)
/****************************************************************************/
#ifdef CONFIG_COLDFIRE
@@ -26,7 +25,7 @@
#endif
/*---------------------------------------------------------------------------*/
-#if defined(CONFIG_M5307)
+#if defined(CONFIG_M5307) || defined(CONFIG_M5407)
/*
* NETtel/5307 based hardware first. DTR/DCD lines are wired to
* GPIO lines. Most of the LED's are driver through a latch
diff --git a/arch/m68k/include/asm/oplib.h b/arch/m68k/include/asm/oplib.h
index 48cb4fd09f..6d5ea67c65 100644
--- a/arch/m68k/include/asm/oplib.h
+++ b/arch/m68k/include/asm/oplib.h
@@ -9,6 +9,8 @@
#ifndef __SPARC_OPLIB_H
#define __SPARC_OPLIB_H
+#include <linux/compiler.h>
+
#include <asm/openprom.h>
/* The master romvec pointer... */
@@ -149,7 +151,7 @@ extern char prom_getchar(void);
extern void prom_putchar(char character);
/* Prom's internal printf routine, don't use in kernel/boot code. */
-void prom_printf(char *fmt, ...);
+__printf(1, 2) void prom_printf(char *fmt, ...);
/* Query for input device type */
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index 363aa0f9ba..e0ae4d5fc9 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -13,17 +13,16 @@
#ifdef CPU_M68040_OR_M68060_ONLY
static inline void copy_page(void *to, void *from)
{
- unsigned long tmp;
-
- __asm__ __volatile__("1:\t"
- ".chip 68040\n\t"
- "move16 %1@+,%0@+\n\t"
- "move16 %1@+,%0@+\n\t"
- ".chip 68k\n\t"
- "dbra %2,1b\n\t"
- : "=a" (to), "=a" (from), "=d" (tmp)
- : "0" (to), "1" (from) , "2" (PAGE_SIZE / 32 - 1)
- );
+ unsigned long tmp;
+
+ __asm__ __volatile__("1:\t"
+ ".chip 68040\n\t"
+ "move16 %1@+,%0@+\n\t"
+ "move16 %1@+,%0@+\n\t"
+ ".chip 68k\n\t"
+ "dbra %2,1b\n\t"
+ : "=a" (to), "=a" (from), "=d" (tmp)
+ : "0" (to), "1" (from), "2" (PAGE_SIZE / 32 - 1));
}
static inline void clear_page(void *page)
@@ -95,23 +94,23 @@ static inline void *__va(unsigned long paddr)
#define __pa(x) ___pa((unsigned long)(x))
static inline unsigned long ___pa(unsigned long x)
{
- if(x == 0)
- return 0;
- if(x >= PAGE_OFFSET)
- return (x-PAGE_OFFSET);
- else
- return (x+0x2000000);
+ if (x == 0)
+ return 0;
+ if (x >= PAGE_OFFSET)
+ return (x - PAGE_OFFSET);
+ else
+ return (x + 0x2000000);
}
static inline void *__va(unsigned long x)
{
- if(x == 0)
- return (void *)0;
+ if (x == 0)
+ return (void *)0;
- if(x < 0x2000000)
- return (void *)(x+PAGE_OFFSET);
- else
- return (void *)(x-0x2000000);
+ if (x < 0x2000000)
+ return (void *)(x + PAGE_OFFSET);
+ else
+ return (void *)(x - 0x2000000);
}
#endif /* CONFIG_SUN3 */
diff --git a/arch/m68k/include/asm/pgtable.h b/arch/m68k/include/asm/pgtable.h
index ad15d655a9..27525c6a12 100644
--- a/arch/m68k/include/asm/pgtable.h
+++ b/arch/m68k/include/asm/pgtable.h
@@ -1,6 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __M68K_PGTABLE_H
+#define __M68K_PGTABLE_H
+
#ifdef __uClinux__
#include <asm/pgtable_no.h>
#else
#include <asm/pgtable_mm.h>
#endif
+
+#ifndef __ASSEMBLY__
+extern void paging_init(void);
+#endif
+
+#endif /* __M68K_PGTABLE_H */
diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h
index fc044df52b..1a86c15b90 100644
--- a/arch/m68k/include/asm/pgtable_no.h
+++ b/arch/m68k/include/asm/pgtable_no.h
@@ -28,7 +28,6 @@
#define PAGE_READONLY __pgprot(0)
#define PAGE_KERNEL __pgprot(0)
-extern void paging_init(void);
#define swapper_pg_dir ((pgd_t *) 0)
/*
diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h
index 3ba40bc1df..95a6ff694a 100644
--- a/arch/m68k/include/asm/raw_io.h
+++ b/arch/m68k/include/asm/raw_io.h
@@ -17,15 +17,15 @@
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
- ({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
+ ({ u8 __v = (*(__force const volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
- ({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
+ ({ u16 __v = (*(__force const volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
- ({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
+ ({ u32 __v = (*(__force const volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
- ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
+ ({ u16 __v = le16_to_cpu(*(__force const volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
- ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
+ ({ u32 __v = le32_to_cpu(*(__force const volatile __le32 *) (unsigned long)(addr)); __v; })
#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
@@ -73,11 +73,11 @@
#if defined(CONFIG_ATARI_ROM_ISA)
#define rom_in_8(addr) \
- ({ u16 __v = (*(__force volatile u16 *) (addr)); __v >>= 8; __v; })
+ ({ u16 __v = (*(__force const volatile u16 *) (addr)); __v >>= 8; __v; })
#define rom_in_be16(addr) \
- ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
+ ({ u16 __v = (*(__force const volatile u16 *) (addr)); __v; })
#define rom_in_le16(addr) \
- ({ u16 __v = le16_to_cpu(*(__force volatile u16 *) (addr)); __v; })
+ ({ u16 __v = le16_to_cpu(*(__force const volatile u16 *) (addr)); __v; })
#define rom_out_8(addr, b) \
(void)({u8 __maybe_unused __w, __v = (b); u32 _addr = ((u32) (addr)); \
@@ -98,7 +98,8 @@
#define raw_rom_outw(val, port) rom_out_be16((port), (val))
#endif /* CONFIG_ATARI_ROM_ISA */
-static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
+static inline void raw_insb(const volatile u8 __iomem *port, u8 *buf,
+ unsigned int len)
{
unsigned int i;
@@ -146,7 +147,7 @@ static inline void raw_outsb(volatile u8 __iomem *port, const u8 *buf,
}
}
-static inline void raw_insw(volatile u16 __iomem *port, u16 *buf, unsigned int nr)
+static inline void raw_insw(volatile const u16 __iomem *port, u16 *buf, unsigned int nr)
{
unsigned int tmp;
@@ -225,7 +226,7 @@ static inline void raw_outsw(volatile u16 __iomem *port, const u16 *buf,
}
}
-static inline void raw_insl(volatile u32 __iomem *port, u32 *buf, unsigned int nr)
+static inline void raw_insl(const volatile u32 __iomem *port, u32 *buf, unsigned int nr)
{
unsigned int tmp;
@@ -305,7 +306,7 @@ static inline void raw_outsl(volatile u32 __iomem *port, const u32 *buf,
}
-static inline void raw_insw_swapw(volatile u16 __iomem *port, u16 *buf,
+static inline void raw_insw_swapw(const volatile u16 __iomem *port, u16 *buf,
unsigned int nr)
{
if ((nr) % 8)
@@ -413,7 +414,8 @@ static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf,
#if defined(CONFIG_ATARI_ROM_ISA)
-static inline void raw_rom_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
+static inline void raw_rom_insb(const volatile u8 __iomem *port, u8 *buf,
+ unsigned int len)
{
unsigned int i;
@@ -430,7 +432,7 @@ static inline void raw_rom_outsb(volatile u8 __iomem *port, const u8 *buf,
rom_out_8(port, *buf++);
}
-static inline void raw_rom_insw(volatile u16 __iomem *port, u16 *buf,
+static inline void raw_rom_insw(const volatile u16 __iomem *port, u16 *buf,
unsigned int nr)
{
unsigned int i;
@@ -448,7 +450,7 @@ static inline void raw_rom_outsw(volatile u16 __iomem *port, const u16 *buf,
rom_out_be16(port, *buf++);
}
-static inline void raw_rom_insw_swapw(volatile u16 __iomem *port, u16 *buf,
+static inline void raw_rom_insw_swapw(const volatile u16 __iomem *port, u16 *buf,
unsigned int nr)
{
unsigned int i;
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index ff48573db2..4a137eecb6 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -41,12 +41,12 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page
static inline pgd_t * pgd_alloc(struct mm_struct *mm)
{
- pgd_t *new_pgd;
+ pgd_t *new_pgd;
- new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);
- memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
- memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT));
- return new_pgd;
+ new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);
+ memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
+ memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT));
+ return new_pgd;
}
#endif /* SUN3_PGALLOC_H */
diff --git a/arch/m68k/include/asm/syscalls.h b/arch/m68k/include/asm/syscalls.h
new file mode 100644
index 0000000000..fb3639acd0
--- /dev/null
+++ b/arch/m68k/include/asm/syscalls.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_M68K_SYSCALLS_H
+#define _ASM_M68K_SYSCALLS_H
+
+#include <linux/compiler_types.h>
+#include <linux/linkage.h>
+
+asmlinkage int sys_cacheflush(unsigned long addr, int scope, int cache,
+ unsigned long len);
+asmlinkage int sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3,
+ int d4, int d5, unsigned long __user *mem);
+asmlinkage int sys_getpagesize(void);
+asmlinkage unsigned long sys_get_thread_area(void);
+asmlinkage int sys_set_thread_area(unsigned long tp);
+asmlinkage int sys_atomic_barrier(void);
+
+#include <asm-generic/syscalls.h>
+
+#endif /* _ASM_M68K_SYSCALLS_H */
diff --git a/arch/m68k/include/asm/tlbflush.h b/arch/m68k/include/asm/tlbflush.h
index b882e2f4f5..6d42e29068 100644
--- a/arch/m68k/include/asm/tlbflush.h
+++ b/arch/m68k/include/asm/tlbflush.h
@@ -112,53 +112,51 @@ extern unsigned char pmeg_ctx[SUN3_PMEGS_NUM];
sun?) */
static inline void flush_tlb_all(void)
{
- unsigned long addr;
- unsigned char ctx, oldctx;
-
- oldctx = sun3_get_context();
- for(addr = 0x00000000; addr < TASK_SIZE; addr += SUN3_PMEG_SIZE) {
- for(ctx = 0; ctx < 8; ctx++) {
- sun3_put_context(ctx);
- sun3_put_segmap(addr, SUN3_INVALID_PMEG);
- }
- }
-
- sun3_put_context(oldctx);
- /* erase all of the userspace pmeg maps, we've clobbered them
- all anyway */
- for(addr = 0; addr < SUN3_INVALID_PMEG; addr++) {
- if(pmeg_alloc[addr] == 1) {
- pmeg_alloc[addr] = 0;
- pmeg_ctx[addr] = 0;
- pmeg_vaddr[addr] = 0;
- }
- }
+ unsigned long addr;
+ unsigned char ctx, oldctx;
+ oldctx = sun3_get_context();
+ for (addr = 0x00000000; addr < TASK_SIZE; addr += SUN3_PMEG_SIZE) {
+ for (ctx = 0; ctx < 8; ctx++) {
+ sun3_put_context(ctx);
+ sun3_put_segmap(addr, SUN3_INVALID_PMEG);
+ }
+ }
+
+ sun3_put_context(oldctx);
+ /* erase all of the userspace pmeg maps, we've clobbered them
+ all anyway */
+ for (addr = 0; addr < SUN3_INVALID_PMEG; addr++) {
+ if (pmeg_alloc[addr] == 1) {
+ pmeg_alloc[addr] = 0;
+ pmeg_ctx[addr] = 0;
+ pmeg_vaddr[addr] = 0;
+ }
+ }
}
/* Clear user TLB entries within the context named in mm */
static inline void flush_tlb_mm (struct mm_struct *mm)
{
- unsigned char oldctx;
- unsigned char seg;
- unsigned long i;
-
- oldctx = sun3_get_context();
- sun3_put_context(mm->context);
+ unsigned char oldctx;
+ unsigned char seg;
+ unsigned long i;
- for(i = 0; i < TASK_SIZE; i += SUN3_PMEG_SIZE) {
- seg = sun3_get_segmap(i);
- if(seg == SUN3_INVALID_PMEG)
- continue;
+ oldctx = sun3_get_context();
+ sun3_put_context(mm->context);
- sun3_put_segmap(i, SUN3_INVALID_PMEG);
- pmeg_alloc[seg] = 0;
- pmeg_ctx[seg] = 0;
- pmeg_vaddr[seg] = 0;
- }
+ for (i = 0; i < TASK_SIZE; i += SUN3_PMEG_SIZE) {
+ seg = sun3_get_segmap(i);
+ if (seg == SUN3_INVALID_PMEG)
+ continue;
- sun3_put_context(oldctx);
+ sun3_put_segmap(i, SUN3_INVALID_PMEG);
+ pmeg_alloc[seg] = 0;
+ pmeg_ctx[seg] = 0;
+ pmeg_vaddr[seg] = 0;
+ }
+ sun3_put_context(oldctx);
}
/* Flush a single TLB page. In this case, we're limited to flushing a
@@ -208,6 +206,7 @@ static inline void flush_tlb_range (struct vm_area_struct *vma,
next:
start += SUN3_PMEG_SIZE;
}
+ sun3_put_context(oldctx);
}
static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 14:45:55 +0000