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-rw-r--r--arch/m68k/include/asm/io_no.h4
-rw-r--r--arch/m68k/include/asm/libgcc.h27
-rw-r--r--arch/m68k/include/asm/mcf_pgalloc.h15
-rw-r--r--arch/m68k/include/asm/mcf_pgtable.h8
-rw-r--r--arch/m68k/include/asm/motorola_pgalloc.h16
-rw-r--r--arch/m68k/include/asm/motorola_pgtable.h8
-rw-r--r--arch/m68k/include/asm/processor.h14
-rw-r--r--arch/m68k/include/asm/sun3_pgalloc.h15
-rw-r--r--arch/m68k/include/asm/sun3_pgtable.h8
-rw-r--r--arch/m68k/include/asm/syscall.h7
-rw-r--r--arch/m68k/include/asm/vga.h8
11 files changed, 80 insertions, 50 deletions
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index 2c96e8480173..516371d5587a 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -123,10 +123,6 @@ static inline void writel(u32 value, volatile void __iomem *addr)
#define PCI_IO_SIZE 0x00010000 /* 64k */
#define PCI_IO_MASK (PCI_IO_SIZE - 1)
-#define HAVE_ARCH_PIO_SIZE
-#define PIO_OFFSET 0
-#define PIO_MASK 0xffff
-#define PIO_RESERVED 0x10000
#define PCI_IOBASE ((void __iomem *) PCI_IO_PA)
#define PCI_SPACE_LIMIT PCI_IO_MASK
#endif /* CONFIG_PCI */
diff --git a/arch/m68k/include/asm/libgcc.h b/arch/m68k/include/asm/libgcc.h
new file mode 100644
index 000000000000..27e17195bd7b
--- /dev/null
+++ b/arch/m68k/include/asm/libgcc.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_M68K_LIBGCC_H
+#define __ASM_M68K_LIBGCC_H
+
+#ifndef CONFIG_CPU_HAS_NO_MULDIV64
+/*
+ * For those 68K CPUs that support 64bit multiply define umul_ppm()
+ * for the common muldi3 libgcc helper function (in lib/muldi3.c).
+ * CPUs that don't have it (like the original 68000 and ColdFire)
+ * will fallback to using the C-coded version of umul_ppmm().
+ */
+#define umul_ppmm(w1, w0, u, v) \
+ do { \
+ unsigned long __u = (u), __v = (v); \
+ unsigned long __w0, __w1; \
+ \
+ __asm__ ("mulu%.l %3,%1:%0" \
+ : "=d" (__w0), \
+ "=d" (__w1) \
+ : "%0" (__u), \
+ "dmi" (__v)); \
+ \
+ (w0) = __w0; (w1) = __w1; \
+ } while (0)
+#endif /* !CONFIG_CPU_HAS_NO_MULDIV64 */
+
+#endif /* __ASM_M68K_LIBGCC_H */
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index 302c5bf67179..fc5454d37da3 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -7,7 +7,7 @@
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
- pagetable_free(virt_to_ptdesc(pte));
+ pagetable_dtor_free(virt_to_ptdesc(pte));
}
extern const char bad_pmd_string[];
@@ -19,6 +19,10 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
if (!ptdesc)
return NULL;
+ if (!pagetable_pte_ctor(mm, ptdesc)) {
+ pagetable_free(ptdesc);
+ return NULL;
+ }
return ptdesc_address(ptdesc);
}
@@ -37,7 +41,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable,
{
struct ptdesc *ptdesc = virt_to_ptdesc(pgtable);
- pagetable_pte_dtor(ptdesc);
+ pagetable_dtor(ptdesc);
pagetable_free(ptdesc);
}
@@ -48,7 +52,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
if (!ptdesc)
return NULL;
- if (!pagetable_pte_ctor(ptdesc)) {
+ if (!pagetable_pte_ctor(mm, ptdesc)) {
pagetable_free(ptdesc);
return NULL;
}
@@ -61,7 +65,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable)
{
struct ptdesc *ptdesc = virt_to_ptdesc(pgtable);
- pagetable_pte_dtor(ptdesc);
+ pagetable_dtor(ptdesc);
pagetable_free(ptdesc);
}
@@ -73,7 +77,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable)
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
- pagetable_free(virt_to_ptdesc(pgd));
+ pagetable_dtor_free(virt_to_ptdesc(pgd));
}
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
@@ -84,6 +88,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
if (!ptdesc)
return NULL;
+ pagetable_pgd_ctor(ptdesc);
new_pgd = ptdesc_address(ptdesc);
memcpy(new_pgd, swapper_pg_dir, PTRS_PER_PGD * sizeof(pgd_t));
diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h
index 48f87a8a8832..d79fef609194 100644
--- a/arch/m68k/include/asm/mcf_pgtable.h
+++ b/arch/m68k/include/asm/mcf_pgtable.h
@@ -96,12 +96,6 @@
#define pmd_pgtable(pmd) pfn_to_virt(pmd_val(pmd) >> PAGE_SHIFT)
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
pte_val(pte) = (pte_val(pte) & CF_PAGE_CHG_MASK) | pgprot_val(newprot);
@@ -274,7 +268,7 @@ extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) (__pte((x).val))
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
index 74a817d9387f..1091fb0affbe 100644
--- a/arch/m68k/include/asm/motorola_pgalloc.h
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -9,13 +9,13 @@ extern void mmu_page_ctor(void *page);
extern void mmu_page_dtor(void *page);
enum m68k_table_types {
- TABLE_PGD = 0,
- TABLE_PMD = 0, /* same size as PGD */
- TABLE_PTE = 1,
+ TABLE_PGD,
+ TABLE_PMD,
+ TABLE_PTE,
};
extern void init_pointer_table(void *table, int type);
-extern void *get_pointer_table(int type);
+extern void *get_pointer_table(struct mm_struct *mm, int type);
extern int free_pointer_table(void *table, int type);
/*
@@ -26,7 +26,7 @@ extern int free_pointer_table(void *table, int type);
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
{
- return get_pointer_table(TABLE_PTE);
+ return get_pointer_table(mm, TABLE_PTE);
}
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
@@ -36,7 +36,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
{
- return get_pointer_table(TABLE_PTE);
+ return get_pointer_table(mm, TABLE_PTE);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable)
@@ -53,7 +53,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable,
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- return get_pointer_table(TABLE_PMD);
+ return get_pointer_table(mm, TABLE_PMD);
}
static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
@@ -75,7 +75,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- return get_pointer_table(TABLE_PGD);
+ return get_pointer_table(mm, TABLE_PGD);
}
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 9866c7acdabe..14fee64d3e60 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -81,12 +81,6 @@ extern unsigned long mm_cachebits;
#define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd))
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot);
@@ -191,7 +185,7 @@ extern pgd_t kernel_pg_dir[128];
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index 8f2676c3a988..3c43c09d4489 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -95,10 +95,24 @@ static inline void set_fc(unsigned long val)
"movec %0,%/dfc\n\t"
: /* no outputs */ : "r" (val) : "memory");
}
+
+static inline unsigned long get_fc(void)
+{
+ unsigned long val;
+
+ __asm__ ("movec %/dfc,%0" : "=r" (val) : );
+
+ return val;
+}
#else
static inline void set_fc(unsigned long val)
{
}
+
+static inline unsigned long get_fc(void)
+{
+ return USER_DATA;
+}
#endif /* CONFIG_CPU_HAS_ADDRESS_SPACES */
struct thread_struct {
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index 4a137eecb6fe..1e21c758b774 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -17,11 +17,8 @@
extern const char bad_pmd_string[];
-#define __pte_free_tlb(tlb, pte, addr) \
-do { \
- pagetable_pte_dtor(page_ptdesc(pte)); \
- tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \
-} while (0)
+#define __pte_free_tlb(tlb, pte, addr) \
+ tlb_remove_ptdesc((tlb), page_ptdesc(pte))
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
@@ -43,9 +40,11 @@ static inline pgd_t * pgd_alloc(struct mm_struct *mm)
{
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));
+ new_pgd = __pgd_alloc(mm, 0);
+ if (likely(new_pgd != NULL)) {
+ memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
+ memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT));
+ }
return new_pgd;
}
diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h
index 30081aee8164..858cbe936f5b 100644
--- a/arch/m68k/include/asm/sun3_pgtable.h
+++ b/arch/m68k/include/asm/sun3_pgtable.h
@@ -76,12 +76,6 @@
#ifndef __ASSEMBLY__
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
pte_val(pte) = (pte_val(pte) & SUN3_PAGE_CHG_MASK) | pgprot_val(newprot);
@@ -175,7 +169,7 @@ extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
diff --git a/arch/m68k/include/asm/syscall.h b/arch/m68k/include/asm/syscall.h
index d1453e850cdd..bf84b160c2eb 100644
--- a/arch/m68k/include/asm/syscall.h
+++ b/arch/m68k/include/asm/syscall.h
@@ -14,6 +14,13 @@ static inline int syscall_get_nr(struct task_struct *task,
return regs->orig_d0;
}
+static inline void syscall_set_nr(struct task_struct *task,
+ struct pt_regs *regs,
+ int nr)
+{
+ regs->orig_d0 = nr;
+}
+
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
diff --git a/arch/m68k/include/asm/vga.h b/arch/m68k/include/asm/vga.h
index 4742e6bc3ab8..cdd414fa8710 100644
--- a/arch/m68k/include/asm/vga.h
+++ b/arch/m68k/include/asm/vga.h
@@ -9,7 +9,7 @@
*/
#ifndef CONFIG_PCI
-#include <asm/raw_io.h>
+#include <asm/io.h>
#include <asm/kmap.h>
/*
@@ -29,9 +29,9 @@
#define inw_p(port) 0
#define outb_p(port, val) do { } while (0)
#define outw(port, val) do { } while (0)
-#define readb raw_inb
-#define writeb raw_outb
-#define writew raw_outw
+#define readb __raw_readb
+#define writeb __raw_writeb
+#define writew __raw_writew
#endif /* CONFIG_PCI */
#endif /* _ASM_M68K_VGA_H */
generated by cgit v1.2.3 (git 2.39.0) at 2025-07-03 21:34:20 +0300