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-rw-r--r--include/asm-m68k/atarihw.h2
-rw-r--r--include/asm-m68k/atariints.h2
-rw-r--r--include/asm-m68k/atomic.h31
-rw-r--r--include/asm-m68k/kdebug.h1
-rw-r--r--include/asm-m68k/mmzone.h9
-rw-r--r--include/asm-m68k/module.h34
-rw-r--r--include/asm-m68k/motorola_pgtable.h10
-rw-r--r--include/asm-m68k/page.h77
-rw-r--r--include/asm-m68k/pgalloc.h3
-rw-r--r--include/asm-m68k/pgtable.h21
-rw-r--r--include/asm-m68k/poll.h17
-rw-r--r--include/asm-m68k/scatterlist.h2
-rw-r--r--include/asm-m68k/sun3_pgtable.h4
-rw-r--r--include/asm-m68k/system.h1
-rw-r--r--include/asm-m68k/thread_info.h6
-rw-r--r--include/asm-m68k/uaccess.h4
-rw-r--r--include/asm-m68k/virtconvert.h49
17 files changed, 159 insertions, 114 deletions
diff --git a/include/asm-m68k/atarihw.h b/include/asm-m68k/atarihw.h
index f28acd0fd68..ecf007df774 100644
--- a/include/asm-m68k/atarihw.h
+++ b/include/asm-m68k/atarihw.h
@@ -2,7 +2,7 @@
** linux/atarihw.h -- This header defines some macros and pointers for
** the various Atari custom hardware registers.
**
-** Copyright 1994 by Bj”rn Brauel
+** Copyright 1994 by Björn Brauel
**
** 5/1/94 Roman Hodek:
** Added definitions for TT specific chips.
diff --git a/include/asm-m68k/atariints.h b/include/asm-m68k/atariints.h
index 0ed454fc24b..5748e99f4e2 100644
--- a/include/asm-m68k/atariints.h
+++ b/include/asm-m68k/atariints.h
@@ -1,7 +1,7 @@
/*
** atariints.h -- Atari Linux interrupt handling structs and prototypes
**
-** Copyright 1994 by Bj”rn Brauel
+** Copyright 1994 by Björn Brauel
**
** 5/2/94 Roman Hodek:
** TT interrupt definitions added.
diff --git a/include/asm-m68k/atomic.h b/include/asm-m68k/atomic.h
index d5eed64cb83..4915294fea6 100644
--- a/include/asm-m68k/atomic.h
+++ b/include/asm-m68k/atomic.h
@@ -2,7 +2,7 @@
#define __ARCH_M68K_ATOMIC__
-#include <asm/system.h> /* local_irq_XXX() */
+#include <asm/system.h>
/*
* Atomic operations that C can't guarantee us. Useful for
@@ -170,20 +170,21 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *v)
__asm__ __volatile__("orl %1,%0" : "+m" (*v) : "id" (mask));
}
-#define atomic_add_unless(v, a, u) \
-({ \
- int c, old; \
- c = atomic_read(v); \
- for (;;) { \
- if (unlikely(c == (u))) \
- break; \
- old = atomic_cmpxchg((v), c, c + (a)); \
- if (likely(old == c)) \
- break; \
- c = old; \
- } \
- c != (u); \
-})
+static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+{
+ int c, old;
+ c = atomic_read(v);
+ for (;;) {
+ if (unlikely(c == (u)))
+ break;
+ old = atomic_cmpxchg((v), c, c + (a));
+ if (likely(old == c))
+ break;
+ c = old;
+ }
+ return c != (u);
+}
+
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/* Atomic operations are already serializing */
diff --git a/include/asm-m68k/kdebug.h b/include/asm-m68k/kdebug.h
new file mode 100644
index 00000000000..6ece1b03766
--- /dev/null
+++ b/include/asm-m68k/kdebug.h
@@ -0,0 +1 @@
+#include <asm-generic/kdebug.h>
diff --git a/include/asm-m68k/mmzone.h b/include/asm-m68k/mmzone.h
new file mode 100644
index 00000000000..e1f1ec7b700
--- /dev/null
+++ b/include/asm-m68k/mmzone.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_M68K_MMZONE_H_
+#define _ASM_M68K_MMZONE_H_
+
+extern pg_data_t pg_data_map[];
+
+#define NODE_DATA(nid) (&pg_data_map[nid])
+#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map)
+
+#endif /* _ASM_M68K_MMZONE_H_ */
diff --git a/include/asm-m68k/module.h b/include/asm-m68k/module.h
index c6d75af2d8d..382d20a6fc1 100644
--- a/include/asm-m68k/module.h
+++ b/include/asm-m68k/module.h
@@ -1,7 +1,39 @@
#ifndef _ASM_M68K_MODULE_H
#define _ASM_M68K_MODULE_H
-struct mod_arch_specific { };
+
+struct mod_arch_specific {
+ struct m68k_fixup_info *fixup_start, *fixup_end;
+};
+
+#define MODULE_ARCH_INIT { \
+ .fixup_start = __start_fixup, \
+ .fixup_end = __stop_fixup, \
+}
+
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr
+
+
+enum m68k_fixup_type {
+ m68k_fixup_memoffset,
+ m68k_fixup_vnode_shift,
+};
+
+struct m68k_fixup_info {
+ enum m68k_fixup_type type;
+ void *addr;
+};
+
+#define m68k_fixup(type, addr) \
+ " .section \".m68k_fixup\",\"aw\"\n" \
+ " .long " #type "," #addr "\n" \
+ " .previous\n"
+
+extern struct m68k_fixup_info __start_fixup[], __stop_fixup[];
+
+struct module;
+extern void module_fixup(struct module *mod, struct m68k_fixup_info *start,
+ struct m68k_fixup_info *end);
+
#endif /* _ASM_M68K_MODULE_H */
diff --git a/include/asm-m68k/motorola_pgtable.h b/include/asm-m68k/motorola_pgtable.h
index 61e4406ed96..b5b78c01eb6 100644
--- a/include/asm-m68k/motorola_pgtable.h
+++ b/include/asm-m68k/motorola_pgtable.h
@@ -130,7 +130,7 @@ static inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
#define pte_present(pte) (pte_val(pte) & (_PAGE_PRESENT | _PAGE_PROTNONE))
#define pte_clear(mm,addr,ptep) ({ pte_val(*(ptep)) = 0; })
-#define pte_page(pte) (mem_map + ((unsigned long)(__va(pte_val(pte)) - PAGE_OFFSET) >> PAGE_SHIFT))
+#define pte_page(pte) virt_to_page(__va(pte_val(pte)))
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
@@ -143,7 +143,7 @@ static inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
while (--__i >= 0) \
*__ptr++ = 0; \
})
-#define pmd_page(pmd) (mem_map + ((unsigned long)(__va(pmd_val(pmd)) - PAGE_OFFSET) >> PAGE_SHIFT))
+#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
#define pgd_none(pgd) (!pgd_val(pgd))
@@ -223,10 +223,10 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmdp, unsigned long address)
return (pte_t *)__pmd_page(*pmdp) + ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
}
-#define pte_offset_map(pmdp,address) ((pte_t *)kmap(pmd_page(*pmdp)) + ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
+#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
-#define pte_unmap(pte) kunmap(pte)
-#define pte_unmap_nested(pte) kunmap(pte)
+#define pte_unmap(pte) ((void)0)
+#define pte_unmap_nested(pte) ((void)0)
/*
* Allocate and free page tables. The xxx_kernel() versions are
diff --git a/include/asm-m68k/page.h b/include/asm-m68k/page.h
index fcc165ddd09..9e6d0d6debd 100644
--- a/include/asm-m68k/page.h
+++ b/include/asm-m68k/page.h
@@ -27,6 +27,8 @@
#ifndef __ASSEMBLY__
+#include <asm/module.h>
+
#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
#define free_user_page(page, addr) free_page(addr)
@@ -114,18 +116,33 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#ifndef __ASSEMBLY__
+extern unsigned long m68k_memoffset;
+
#ifndef CONFIG_SUN3
#define WANT_PAGE_VIRTUAL
-#ifdef CONFIG_SINGLE_MEMORY_CHUNK
-extern unsigned long m68k_memoffset;
-#define __pa(vaddr) ((unsigned long)(vaddr)+m68k_memoffset)
-#define __va(paddr) ((void *)((unsigned long)(paddr)-m68k_memoffset))
-#else
-#define __pa(vaddr) virt_to_phys((void *)(vaddr))
-#define __va(paddr) phys_to_virt((unsigned long)(paddr))
-#endif
+static inline unsigned long ___pa(void *vaddr)
+{
+ unsigned long paddr;
+ asm (
+ "1: addl #0,%0\n"
+ m68k_fixup(%c2, 1b+2)
+ : "=r" (paddr)
+ : "0" (vaddr), "i" (m68k_fixup_memoffset));
+ return paddr;
+}
+#define __pa(vaddr) ___pa((void *)(vaddr))
+static inline void *__va(unsigned long paddr)
+{
+ void *vaddr;
+ asm (
+ "1: subl #0,%0\n"
+ m68k_fixup(%c2, 1b+2)
+ : "=r" (vaddr)
+ : "0" (paddr), "i" (m68k_fixup_memoffset));
+ return vaddr;
+}
#else /* !CONFIG_SUN3 */
/* This #define is a horrible hack to suppress lots of warnings. --m */
@@ -161,11 +178,47 @@ static inline void *__va(unsigned long x)
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
-#define virt_to_page(kaddr) (mem_map + (((unsigned long)(kaddr)-PAGE_OFFSET) >> PAGE_SHIFT))
-#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+extern int m68k_virt_to_node_shift;
+
+#ifdef CONFIG_SINGLE_MEMORY_CHUNK
+#define __virt_to_node(addr) (&pg_data_map[0])
+#else
+extern struct pglist_data *pg_data_table[];
+
+static inline __attribute_const__ int __virt_to_node_shift(void)
+{
+ int shift;
+
+ asm (
+ "1: moveq #0,%0\n"
+ m68k_fixup(%c1, 1b)
+ : "=d" (shift)
+ : "i" (m68k_fixup_vnode_shift));
+ return shift;
+}
+
+#define __virt_to_node(addr) (pg_data_table[(unsigned long)(addr) >> __virt_to_node_shift()])
+#endif
-#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
-#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
+#define virt_to_page(addr) ({ \
+ pfn_to_page(virt_to_pfn(addr)); \
+})
+#define page_to_virt(page) ({ \
+ pfn_to_virt(page_to_pfn(page)); \
+})
+
+#define pfn_to_page(pfn) ({ \
+ unsigned long __pfn = (pfn); \
+ struct pglist_data *pgdat; \
+ pgdat = __virt_to_node((unsigned long)pfn_to_virt(__pfn)); \
+ pgdat->node_mem_map + (__pfn - pgdat->node_start_pfn); \
+})
+#define page_to_pfn(_page) ({ \
+ struct page *__p = (_page); \
+ struct pglist_data *pgdat; \
+ pgdat = &pg_data_map[page_to_nid(__p)]; \
+ ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \
+})
#define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
#define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn))
diff --git a/include/asm-m68k/pgalloc.h b/include/asm-m68k/pgalloc.h
index a9cfb4b99d8..4cb1a57ab76 100644
--- a/include/asm-m68k/pgalloc.h
+++ b/include/asm-m68k/pgalloc.h
@@ -8,11 +8,12 @@
#include <asm/virtconvert.h>
-
#ifdef CONFIG_SUN3
#include <asm/sun3_pgalloc.h>
#else
#include <asm/motorola_pgalloc.h>
#endif
+extern void m68k_setup_node(int node);
+
#endif /* M68K_PGALLOC_H */
diff --git a/include/asm-m68k/pgtable.h b/include/asm-m68k/pgtable.h
index f3aa0537798..778a4c538eb 100644
--- a/include/asm-m68k/pgtable.h
+++ b/include/asm-m68k/pgtable.h
@@ -107,22 +107,7 @@ extern void *empty_zero_page;
/* 64-bit machines, beware! SRB. */
#define SIZEOF_PTR_LOG2 2
-/*
- * Check if the addr/len goes up to the end of a physical
- * memory chunk. Used for DMA functions.
- */
-#ifdef CONFIG_SINGLE_MEMORY_CHUNK
-/*
- * It makes no sense to consider whether we cross a memory boundary if
- * we support just one physical chunk of memory.
- */
-static inline int mm_end_of_chunk(unsigned long addr, int len)
-{
- return 0;
-}
-#else
-int mm_end_of_chunk (unsigned long addr, int len);
-#endif
+#define mm_end_of_chunk(addr, len) 0
extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode);
@@ -143,10 +128,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
-#define MK_IOSPACE_PFN(space, pfn) (pfn)
-#define GET_IOSPACE(pfn) 0
-#define GET_PFN(pfn) (pfn)
-
/* MMU-specific headers */
#ifdef CONFIG_SUN3
diff --git a/include/asm-m68k/poll.h b/include/asm-m68k/poll.h
index 0fb8843647f..f080fcdb61b 100644
--- a/include/asm-m68k/poll.h
+++ b/include/asm-m68k/poll.h
@@ -1,24 +1,9 @@
#ifndef __m68k_POLL_H
#define __m68k_POLL_H
-#define POLLIN 1
-#define POLLPRI 2
-#define POLLOUT 4
-#define POLLERR 8
-#define POLLHUP 16
-#define POLLNVAL 32
-#define POLLRDNORM 64
#define POLLWRNORM POLLOUT
-#define POLLRDBAND 128
#define POLLWRBAND 256
-#define POLLMSG 0x0400
-#define POLLREMOVE 0x1000
-#define POLLRDHUP 0x2000
-struct pollfd {
- int fd;
- short events;
- short revents;
-};
+#include <asm-generic/poll.h>
#endif
diff --git a/include/asm-m68k/scatterlist.h b/include/asm-m68k/scatterlist.h
index 8e612266da5..24887a2d9c7 100644
--- a/include/asm-m68k/scatterlist.h
+++ b/include/asm-m68k/scatterlist.h
@@ -1,6 +1,8 @@
#ifndef _M68K_SCATTERLIST_H
#define _M68K_SCATTERLIST_H
+#include <linux/types.h>
+
struct scatterlist {
struct page *page;
unsigned int offset;
diff --git a/include/asm-m68k/sun3_pgtable.h b/include/asm-m68k/sun3_pgtable.h
index 5156a28a18d..b9e62c1e7ae 100644
--- a/include/asm-m68k/sun3_pgtable.h
+++ b/include/asm-m68k/sun3_pgtable.h
@@ -132,8 +132,8 @@ static inline void pte_clear (struct mm_struct *mm, unsigned long addr, pte_t *p
#define pfn_pte(pfn, pgprot) \
({ pte_t __pte; pte_val(__pte) = pfn | pgprot_val(pgprot); __pte; })
-#define pte_page(pte) (mem_map+((__pte_page(pte) - PAGE_OFFSET) >> PAGE_SHIFT))
-#define pmd_page(pmd) (mem_map+((__pmd_page(pmd) - PAGE_OFFSET) >> PAGE_SHIFT))
+#define pte_page(pte) virt_to_page(__pte_page(pte))
+#define pmd_page(pmd) virt_to_page(__pmd_page(pmd))
static inline int pmd_none2 (pmd_t *pmd) { return !pmd_val (*pmd); }
diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h
index 243dd13e6bf..198878b53a6 100644
--- a/include/asm-m68k/system.h
+++ b/include/asm-m68k/system.h
@@ -88,7 +88,6 @@ static inline int irqs_disabled(void)
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
struct __xchg_dummy { unsigned long a[100]; };
#define __xg(x) ((volatile struct __xchg_dummy *)(x))
diff --git a/include/asm-m68k/thread_info.h b/include/asm-m68k/thread_info.h
index c4d622a57df..d635a375248 100644
--- a/include/asm-m68k/thread_info.h
+++ b/include/asm-m68k/thread_info.h
@@ -37,17 +37,17 @@ struct thread_info {
#define init_stack (init_thread_union.stack)
#define task_thread_info(tsk) (&(tsk)->thread.info)
-#define task_stack_page(tsk) ((void *)(tsk)->thread_info)
+#define task_stack_page(tsk) ((tsk)->stack)
#define current_thread_info() task_thread_info(current)
#define __HAVE_THREAD_FUNCTIONS
#define setup_thread_stack(p, org) ({ \
- *(struct task_struct **)(p)->thread_info = (p); \
+ *(struct task_struct **)(p)->stack = (p); \
task_thread_info(p)->task = (p); \
})
-#define end_of_stack(p) ((unsigned long *)(p)->thread_info + 1)
+#define end_of_stack(p) ((unsigned long *)(p)->stack + 1)
/* entry.S relies on these definitions!
* bits 0-7 are tested at every exception exit
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index 6a4cf208151..5c1264cf0c6 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -361,7 +361,9 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
long strncpy_from_user(char *dst, const char __user *src, long count);
long strnlen_user(const char __user *src, long n);
-unsigned long clear_user(void __user *to, unsigned long n);
+unsigned long __clear_user(void __user *to, unsigned long n);
+
+#define clear_user __clear_user
#define strlen_user(str) strnlen_user(str, 32767)
diff --git a/include/asm-m68k/virtconvert.h b/include/asm-m68k/virtconvert.h
index 83a87c9b1a1..dea32fbc7e5 100644
--- a/include/asm-m68k/virtconvert.h
+++ b/include/asm-m68k/virtconvert.h
@@ -8,56 +8,35 @@
#ifdef __KERNEL__
#include <linux/compiler.h>
+#include <linux/mmzone.h>
#include <asm/setup.h>
#include <asm/page.h>
-#ifdef CONFIG_AMIGA
-#include <asm/amigahw.h>
-#endif
-
/*
* Change virtual addresses to physical addresses and vv.
*/
-#ifndef CONFIG_SUN3
-extern unsigned long mm_vtop(unsigned long addr) __attribute_const__;
-extern unsigned long mm_ptov(unsigned long addr) __attribute_const__;
-#else
-static inline unsigned long mm_vtop(unsigned long vaddr)
-{
- return __pa(vaddr);
-}
-
-static inline unsigned long mm_ptov(unsigned long paddr)
-{
- return (unsigned long)__va(paddr);
-}
-#endif
-
-#ifdef CONFIG_SINGLE_MEMORY_CHUNK
-static inline unsigned long virt_to_phys(void *vaddr)
-{
- return (unsigned long)vaddr - PAGE_OFFSET + m68k_memory[0].addr;
-}
-
-static inline void * phys_to_virt(unsigned long paddr)
-{
- return (void *)(paddr - m68k_memory[0].addr + PAGE_OFFSET);
-}
-#else
static inline unsigned long virt_to_phys(void *address)
{
- return mm_vtop((unsigned long)address);
+ return __pa(address);
}
static inline void *phys_to_virt(unsigned long address)
{
- return (void *) mm_ptov(address);
+ return __va(address);
}
-#endif
/* Permanent address of a page. */
-#define __page_address(page) (PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT))
-#define page_to_phys(page) virt_to_phys((void *)__page_address(page))
+#ifdef CONFIG_SINGLE_MEMORY_CHUNK
+#define page_to_phys(page) \
+ __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
+#else
+#define page_to_phys(_page) ({ \
+ struct page *__page = _page; \
+ struct pglist_data *pgdat; \
+ pgdat = pg_data_table[page_to_nid(__page)]; \
+ page_to_pfn(__page) << PAGE_SHIFT; \
+})
+#endif
/*
* IO bus memory addresses are 1:1 with the physical address,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-03 01:58:38 +0000