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-rw-r--r--arch/sparc/include/asm/io_64.h381
-rw-r--r--arch/sparc/kernel/mdesc.c82
-rw-r--r--arch/sparc/kernel/unaligned_32.c2
-rw-r--r--arch/sparc/lib/PeeCeeI.c36
-rw-r--r--arch/sparc/mm/init_64.c66
5 files changed, 299 insertions, 268 deletions
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 05381c3a4228..80b54b326d49 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -9,125 +9,99 @@
#include <asm/asi.h>
#include <asm-generic/pci_iomap.h>
-/* PC crapola... */
-#define __SLOW_DOWN_IO do { } while (0)
-#define SLOW_DOWN_IO do { } while (0)
-
/* BIO layer definitions. */
extern unsigned long kern_base, kern_size;
-static inline u8 _inb(unsigned long addr)
+/* __raw_{read,write}{b,w,l,q} uses direct access.
+ * Access the memory as big endian bypassing the cache
+ * by using ASI_PHYS_BYPASS_EC_E
+ */
+#define __raw_readb __raw_readb
+static inline u8 __raw_readb(const volatile void __iomem *addr)
{
u8 ret;
- __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
+ __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_raw_readb */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
-static inline u16 _inw(unsigned long addr)
+#define __raw_readw __raw_readw
+static inline u16 __raw_readw(const volatile void __iomem *addr)
{
u16 ret;
- __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
+ __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_raw_readw */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
-static inline u32 _inl(unsigned long addr)
+#define __raw_readl __raw_readl
+static inline u32 __raw_readl(const volatile void __iomem *addr)
{
u32 ret;
- __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
+ __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_raw_readl */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
-static inline void _outb(u8 b, unsigned long addr)
-{
- __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
- : /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
-}
-
-static inline void _outw(u16 w, unsigned long addr)
+#define __raw_readq __raw_readq
+static inline u64 __raw_readq(const volatile void __iomem *addr)
{
- __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
- : /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
-}
-
-static inline void _outl(u32 l, unsigned long addr)
-{
- __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
- : /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
- : "memory");
-}
-
-#define inb(__addr) (_inb((unsigned long)(__addr)))
-#define inw(__addr) (_inw((unsigned long)(__addr)))
-#define inl(__addr) (_inl((unsigned long)(__addr)))
-#define outb(__b, __addr) (_outb((u8)(__b), (unsigned long)(__addr)))
-#define outw(__w, __addr) (_outw((u16)(__w), (unsigned long)(__addr)))
-#define outl(__l, __addr) (_outl((u32)(__l), (unsigned long)(__addr)))
-
-#define inb_p(__addr) inb(__addr)
-#define outb_p(__b, __addr) outb(__b, __addr)
-#define inw_p(__addr) inw(__addr)
-#define outw_p(__w, __addr) outw(__w, __addr)
-#define inl_p(__addr) inl(__addr)
-#define outl_p(__l, __addr) outl(__l, __addr)
+ u64 ret;
-void outsb(unsigned long, const void *, unsigned long);
-void outsw(unsigned long, const void *, unsigned long);
-void outsl(unsigned long, const void *, unsigned long);
-void insb(unsigned long, void *, unsigned long);
-void insw(unsigned long, void *, unsigned long);
-void insl(unsigned long, void *, unsigned long);
+ __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_raw_readq */"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
-static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
-{
- insb((unsigned long __force)port, buf, count);
-}
-static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
-{
- insw((unsigned long __force)port, buf, count);
+ return ret;
}
-static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
+#define __raw_writeb __raw_writeb
+static inline void __raw_writeb(u8 b, const volatile void __iomem *addr)
{
- insl((unsigned long __force)port, buf, count);
+ __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_raw_writeb */"
+ : /* no outputs */
+ : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
+#define __raw_writew __raw_writew
+static inline void __raw_writew(u16 w, const volatile void __iomem *addr)
{
- outsb((unsigned long __force)port, buf, count);
+ __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_raw_writew */"
+ : /* no outputs */
+ : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
+#define __raw_writel __raw_writel
+static inline void __raw_writel(u32 l, const volatile void __iomem *addr)
{
- outsw((unsigned long __force)port, buf, count);
+ __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_raw_writel */"
+ : /* no outputs */
+ : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
+#define __raw_writeq __raw_writeq
+static inline void __raw_writeq(u64 q, const volatile void __iomem *addr)
{
- outsl((unsigned long __force)port, buf, count);
+ __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_raw_writeq */"
+ : /* no outputs */
+ : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-/* Memory functions, same as I/O accesses on Ultra. */
-static inline u8 _readb(const volatile void __iomem *addr)
+/* Memory functions, same as I/O accesses on Ultra.
+ * Access memory as little endian bypassing
+ * the cache by using ASI_PHYS_BYPASS_EC_E_L
+ */
+#define readb readb
+static inline u8 readb(const volatile void __iomem *addr)
{ u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
@@ -137,7 +111,8 @@ static inline u8 _readb(const volatile void __iomem *addr)
return ret;
}
-static inline u16 _readw(const volatile void __iomem *addr)
+#define readw readw
+static inline u16 readw(const volatile void __iomem *addr)
{ u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
@@ -148,7 +123,8 @@ static inline u16 _readw(const volatile void __iomem *addr)
return ret;
}
-static inline u32 _readl(const volatile void __iomem *addr)
+#define readl readl
+static inline u32 readl(const volatile void __iomem *addr)
{ u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
@@ -159,7 +135,8 @@ static inline u32 _readl(const volatile void __iomem *addr)
return ret;
}
-static inline u64 _readq(const volatile void __iomem *addr)
+#define readq readq
+static inline u64 readq(const volatile void __iomem *addr)
{ u64 ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
@@ -170,7 +147,8 @@ static inline u64 _readq(const volatile void __iomem *addr)
return ret;
}
-static inline void _writeb(u8 b, volatile void __iomem *addr)
+#define writeb writeb
+static inline void writeb(u8 b, volatile void __iomem *addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
: /* no outputs */
@@ -178,7 +156,8 @@ static inline void _writeb(u8 b, volatile void __iomem *addr)
: "memory");
}
-static inline void _writew(u16 w, volatile void __iomem *addr)
+#define writew writew
+static inline void writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
: /* no outputs */
@@ -186,7 +165,8 @@ static inline void _writew(u16 w, volatile void __iomem *addr)
: "memory");
}
-static inline void _writel(u32 l, volatile void __iomem *addr)
+#define writel writel
+static inline void writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
: /* no outputs */
@@ -194,7 +174,8 @@ static inline void _writel(u32 l, volatile void __iomem *addr)
: "memory");
}
-static inline void _writeq(u64 q, volatile void __iomem *addr)
+#define writeq writeq
+static inline void writeq(u64 q, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
: /* no outputs */
@@ -202,100 +183,91 @@ static inline void _writeq(u64 q, volatile void __iomem *addr)
: "memory");
}
-#define readb(__addr) _readb(__addr)
-#define readw(__addr) _readw(__addr)
-#define readl(__addr) _readl(__addr)
-#define readq(__addr) _readq(__addr)
-#define readb_relaxed(__addr) _readb(__addr)
-#define readw_relaxed(__addr) _readw(__addr)
-#define readl_relaxed(__addr) _readl(__addr)
-#define readq_relaxed(__addr) _readq(__addr)
-#define writeb(__b, __addr) _writeb(__b, __addr)
-#define writew(__w, __addr) _writew(__w, __addr)
-#define writel(__l, __addr) _writel(__l, __addr)
-#define writeq(__q, __addr) _writeq(__q, __addr)
-/* Now versions without byte-swapping. */
-static inline u8 _raw_readb(unsigned long addr)
+#define inb inb
+static inline u8 inb(unsigned long addr)
{
- u8 ret;
-
- __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_raw_readb */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
-
- return ret;
+ return readb((volatile void __iomem *)addr);
}
-static inline u16 _raw_readw(unsigned long addr)
+#define inw inw
+static inline u16 inw(unsigned long addr)
{
- u16 ret;
-
- __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_raw_readw */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
-
- return ret;
+ return readw((volatile void __iomem *)addr);
}
-static inline u32 _raw_readl(unsigned long addr)
+#define inl inl
+static inline u32 inl(unsigned long addr)
{
- u32 ret;
+ return readl((volatile void __iomem *)addr);
+}
- __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_raw_readl */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+#define outb outb
+static inline void outb(u8 b, unsigned long addr)
+{
+ writeb(b, (volatile void __iomem *)addr);
+}
- return ret;
+#define outw outw
+static inline void outw(u16 w, unsigned long addr)
+{
+ writew(w, (volatile void __iomem *)addr);
}
-static inline u64 _raw_readq(unsigned long addr)
+#define outl outl
+static inline void outl(u32 l, unsigned long addr)
{
- u64 ret;
+ writel(l, (volatile void __iomem *)addr);
+}
- __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_raw_readq */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
+#define inb_p(__addr) inb(__addr)
+#define outb_p(__b, __addr) outb(__b, __addr)
+#define inw_p(__addr) inw(__addr)
+#define outw_p(__w, __addr) outw(__w, __addr)
+#define inl_p(__addr) inl(__addr)
+#define outl_p(__l, __addr) outl(__l, __addr)
+
+void outsb(unsigned long, const void *, unsigned long);
+void outsw(unsigned long, const void *, unsigned long);
+void outsl(unsigned long, const void *, unsigned long);
+void insb(unsigned long, void *, unsigned long);
+void insw(unsigned long, void *, unsigned long);
+void insl(unsigned long, void *, unsigned long);
+
+static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
+{
+ insb((unsigned long __force)port, buf, count);
+}
+static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
+{
+ insw((unsigned long __force)port, buf, count);
}
-static inline void _raw_writeb(u8 b, unsigned long addr)
+static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
{
- __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_raw_writeb */"
- : /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ insl((unsigned long __force)port, buf, count);
}
-static inline void _raw_writew(u16 w, unsigned long addr)
+static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
{
- __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_raw_writew */"
- : /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ outsb((unsigned long __force)port, buf, count);
}
-static inline void _raw_writel(u32 l, unsigned long addr)
+static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
{
- __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_raw_writel */"
- : /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ outsw((unsigned long __force)port, buf, count);
}
-static inline void _raw_writeq(u64 q, unsigned long addr)
+static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
{
- __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_raw_writeq */"
- : /* no outputs */
- : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ outsl((unsigned long __force)port, buf, count);
}
-#define __raw_readb(__addr) (_raw_readb((unsigned long)(__addr)))
-#define __raw_readw(__addr) (_raw_readw((unsigned long)(__addr)))
-#define __raw_readl(__addr) (_raw_readl((unsigned long)(__addr)))
-#define __raw_readq(__addr) (_raw_readq((unsigned long)(__addr)))
-#define __raw_writeb(__b, __addr) (_raw_writeb((u8)(__b), (unsigned long)(__addr)))
-#define __raw_writew(__w, __addr) (_raw_writew((u16)(__w), (unsigned long)(__addr)))
-#define __raw_writel(__l, __addr) (_raw_writel((u32)(__l), (unsigned long)(__addr)))
-#define __raw_writeq(__q, __addr) (_raw_writeq((u64)(__q), (unsigned long)(__addr)))
+#define readb_relaxed(__addr) readb(__addr)
+#define readw_relaxed(__addr) readw(__addr)
+#define readl_relaxed(__addr) readl(__addr)
+#define readq_relaxed(__addr) readq(__addr)
/* Valid I/O Space regions are anywhere, because each PCI bus supported
* can live in an arbitrary area of the physical address range.
@@ -305,96 +277,47 @@ static inline void _raw_writeq(u64 q, unsigned long addr)
/* Now, SBUS variants, only difference from PCI is that we do
* not use little-endian ASIs.
*/
-static inline u8 _sbus_readb(const volatile void __iomem *addr)
+static inline u8 sbus_readb(const volatile void __iomem *addr)
{
- u8 ret;
-
- __asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
-
- return ret;
+ return __raw_readb(addr);
}
-static inline u16 _sbus_readw(const volatile void __iomem *addr)
+static inline u16 sbus_readw(const volatile void __iomem *addr)
{
- u16 ret;
-
- __asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
-
- return ret;
+ return __raw_readw(addr);
}
-static inline u32 _sbus_readl(const volatile void __iomem *addr)
+static inline u32 sbus_readl(const volatile void __iomem *addr)
{
- u32 ret;
-
- __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
-
- return ret;
+ return __raw_readl(addr);
}
-static inline u64 _sbus_readq(const volatile void __iomem *addr)
+static inline u64 sbus_readq(const volatile void __iomem *addr)
{
- u64 ret;
-
- __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
-
- return ret;
+ return __raw_readq(addr);
}
-static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
+static inline void sbus_writeb(u8 b, volatile void __iomem *addr)
{
- __asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
- : /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
+ __raw_writeb(b, addr);
}
-static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
+static inline void sbus_writew(u16 w, volatile void __iomem *addr)
{
- __asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
- : /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
+ __raw_writew(w, addr);
}
-static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
+static inline void sbus_writel(u32 l, volatile void __iomem *addr)
{
- __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
- : /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
+ __raw_writel(l, addr);
}
-static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
+static inline void sbus_writeq(u64 q, volatile void __iomem *addr)
{
- __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
- : /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
+ __raw_writeq(q, addr);
}
-#define sbus_readb(__addr) _sbus_readb(__addr)
-#define sbus_readw(__addr) _sbus_readw(__addr)
-#define sbus_readl(__addr) _sbus_readl(__addr)
-#define sbus_readq(__addr) _sbus_readq(__addr)
-#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
-#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
-#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
-#define sbus_writeq(__l, __addr) _sbus_writeq(__l, __addr)
-
-static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
+static inline void sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, dst);
@@ -402,10 +325,7 @@ static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_s
}
}
-#define sbus_memset_io(d,c,sz) _sbus_memset_io(d,c,sz)
-
-static inline void
-_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
+static inline void memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
volatile void __iomem *d = dst;
@@ -415,11 +335,8 @@ _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
}
}
-#define memset_io(d,c,sz) _memset_io(d,c,sz)
-
-static inline void
-_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
- __kernel_size_t n)
+static inline void sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
+ __kernel_size_t n)
{
char *d = dst;
@@ -430,10 +347,9 @@ _sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
}
}
-#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz)
-static inline void
-_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
+ __kernel_size_t n)
{
char *d = dst;
@@ -444,11 +360,8 @@ _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
}
}
-#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
-
-static inline void
-_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
- __kernel_size_t n)
+static inline void sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
+ __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
@@ -460,10 +373,8 @@ _sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
}
}
-#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz)
-
-static inline void
-_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
+static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
+ __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
@@ -475,8 +386,6 @@ _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
}
}
-#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
-
#define mmiowb()
#ifdef __KERNEL__
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index a1a4400d4025..99632a87e697 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -906,29 +906,85 @@ void mdesc_fill_in_cpu_data(cpumask_t *mask)
smp_fill_in_sib_core_maps();
}
-static ssize_t mdesc_read(struct file *file, char __user *buf,
- size_t len, loff_t *offp)
+/* mdesc_open() - Grab a reference to mdesc_handle when /dev/mdesc is
+ * opened. Hold this reference until /dev/mdesc is closed to ensure
+ * mdesc data structure is not released underneath us. Store the
+ * pointer to mdesc structure in private_data for read and seek to use
+ */
+static int mdesc_open(struct inode *inode, struct file *file)
{
struct mdesc_handle *hp = mdesc_grab();
- int err;
if (!hp)
return -ENODEV;
- err = hp->handle_size;
- if (len < hp->handle_size)
- err = -EMSGSIZE;
- else if (copy_to_user(buf, &hp->mdesc, hp->handle_size))
- err = -EFAULT;
- mdesc_release(hp);
+ file->private_data = hp;
+
+ return 0;
+}
+
+static ssize_t mdesc_read(struct file *file, char __user *buf,
+ size_t len, loff_t *offp)
+{
+ struct mdesc_handle *hp = file->private_data;
+ unsigned char *mdesc;
+ int bytes_left, count = len;
+
+ if (*offp >= hp->handle_size)
+ return 0;
+
+ bytes_left = hp->handle_size - *offp;
+ if (count > bytes_left)
+ count = bytes_left;
+
+ mdesc = (unsigned char *)&hp->mdesc;
+ mdesc += *offp;
+ if (!copy_to_user(buf, mdesc, count)) {
+ *offp += count;
+ return count;
+ } else {
+ return -EFAULT;
+ }
+}
- return err;
+static loff_t mdesc_llseek(struct file *file, loff_t offset, int whence)
+{
+ struct mdesc_handle *hp;
+
+ switch (whence) {
+ case SEEK_CUR:
+ offset += file->f_pos;
+ break;
+ case SEEK_SET:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ hp = file->private_data;
+ if (offset > hp->handle_size)
+ return -EINVAL;
+ else
+ file->f_pos = offset;
+
+ return offset;
+}
+
+/* mdesc_close() - /dev/mdesc is being closed, release the reference to
+ * mdesc structure.
+ */
+static int mdesc_close(struct inode *inode, struct file *file)
+{
+ mdesc_release(file->private_data);
+ return 0;
}
static const struct file_operations mdesc_fops = {
- .read = mdesc_read,
- .owner = THIS_MODULE,
- .llseek = noop_llseek,
+ .open = mdesc_open,
+ .read = mdesc_read,
+ .llseek = mdesc_llseek,
+ .release = mdesc_close,
+ .owner = THIS_MODULE,
};
static struct miscdevice mdesc_misc = {
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index c5c61b3c6b56..32b61d1b6379 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -166,7 +166,7 @@ unsigned long safe_compute_effective_address(struct pt_regs *regs,
/* This is just to make gcc think panic does return... */
static void unaligned_panic(char *str)
{
- panic(str);
+ panic("%s", str);
}
/* una_asm.S */
diff --git a/arch/sparc/lib/PeeCeeI.c b/arch/sparc/lib/PeeCeeI.c
index 6529f8657597..e6d183675990 100644
--- a/arch/sparc/lib/PeeCeeI.c
+++ b/arch/sparc/lib/PeeCeeI.c
@@ -15,7 +15,7 @@ void outsb(unsigned long __addr, const void *src, unsigned long count)
const u8 *p = src;
while (count--)
- outb(*p++, addr);
+ __raw_writeb(*p++, addr);
}
EXPORT_SYMBOL(outsb);
@@ -93,21 +93,21 @@ void insb(unsigned long __addr, void *dst, unsigned long count)
u8 *pb = dst;
while ((((unsigned long)pb) & 0x3) && count--)
- *pb++ = inb(addr);
+ *pb++ = __raw_readb(addr);
pi = (u32 *)pb;
while (count >= 4) {
u32 w;
- w = (inb(addr) << 24);
- w |= (inb(addr) << 16);
- w |= (inb(addr) << 8);
- w |= (inb(addr) << 0);
+ w = (__raw_readb(addr) << 24);
+ w |= (__raw_readb(addr) << 16);
+ w |= (__raw_readb(addr) << 8);
+ w |= (__raw_readb(addr) << 0);
*pi++ = w;
count -= 4;
}
pb = (u8 *)pi;
while (count--)
- *pb++ = inb(addr);
+ *pb++ = __raw_readb(addr);
}
}
EXPORT_SYMBOL(insb);
@@ -121,21 +121,21 @@ void insw(unsigned long __addr, void *dst, unsigned long count)
u32 *pi;
if (((unsigned long)ps) & 0x2) {
- *ps++ = le16_to_cpu(inw(addr));
+ *ps++ = __raw_readw(addr);
count--;
}
pi = (u32 *)ps;
while (count >= 2) {
u32 w;
- w = (le16_to_cpu(inw(addr)) << 16);
- w |= (le16_to_cpu(inw(addr)) << 0);
+ w = __raw_readw(addr) << 16;
+ w |= __raw_readw(addr) << 0;
*pi++ = w;
count -= 2;
}
ps = (u16 *)pi;
if (count)
- *ps = le16_to_cpu(inw(addr));
+ *ps = __raw_readw(addr);
}
}
EXPORT_SYMBOL(insw);
@@ -148,7 +148,7 @@ void insl(unsigned long __addr, void *dst, unsigned long count)
if ((((unsigned long)dst) & 0x3) == 0) {
u32 *pi = dst;
while (count--)
- *pi++ = le32_to_cpu(inl(addr));
+ *pi++ = __raw_readl(addr);
} else {
u32 l = 0, l2, *pi;
u16 *ps;
@@ -158,11 +158,11 @@ void insl(unsigned long __addr, void *dst, unsigned long count)
case 0x2:
ps = dst;
count -= 1;
- l = le32_to_cpu(inl(addr));
+ l = __raw_readl(addr);
*ps++ = l;
pi = (u32 *)ps;
while (count--) {
- l2 = le32_to_cpu(inl(addr));
+ l2 = __raw_readl(addr);
*pi++ = (l << 16) | (l2 >> 16);
l = l2;
}
@@ -173,13 +173,13 @@ void insl(unsigned long __addr, void *dst, unsigned long count)
case 0x1:
pb = dst;
count -= 1;
- l = le32_to_cpu(inl(addr));
+ l = __raw_readl(addr);
*pb++ = l >> 24;
ps = (u16 *)pb;
*ps++ = ((l >> 8) & 0xffff);
pi = (u32 *)ps;
while (count--) {
- l2 = le32_to_cpu(inl(addr));
+ l2 = __raw_readl(addr);
*pi++ = (l << 24) | (l2 >> 8);
l = l2;
}
@@ -190,11 +190,11 @@ void insl(unsigned long __addr, void *dst, unsigned long count)
case 0x3:
pb = (u8 *)dst;
count -= 1;
- l = le32_to_cpu(inl(addr));
+ l = __raw_readl(addr);
*pb++ = l >> 24;
pi = (u32 *)pb;
while (count--) {
- l2 = le32_to_cpu(inl(addr));
+ l2 = __raw_readl(addr);
*pi++ = (l << 8) | (l2 >> 24);
l = l2;
}
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 2cfb0f25e0ed..cdc9f145e3c3 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -22,6 +22,7 @@
#include <linux/kprobes.h>
#include <linux/cache.h>
#include <linux/sort.h>
+#include <linux/ioport.h>
#include <linux/percpu.h>
#include <linux/memblock.h>
#include <linux/mmzone.h>
@@ -2708,6 +2709,70 @@ void hugetlb_setup(struct pt_regs *regs)
}
#endif
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource bss_resource = {
+ .name = "Kernel bss",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static inline resource_size_t compute_kern_paddr(void *addr)
+{
+ return (resource_size_t) (addr - KERNBASE + kern_base);
+}
+
+static void __init kernel_lds_init(void)
+{
+ code_resource.start = compute_kern_paddr(_text);
+ code_resource.end = compute_kern_paddr(_etext - 1);
+ data_resource.start = compute_kern_paddr(_etext);
+ data_resource.end = compute_kern_paddr(_edata - 1);
+ bss_resource.start = compute_kern_paddr(__bss_start);
+ bss_resource.end = compute_kern_paddr(_end - 1);
+}
+
+static int __init report_memory(void)
+{
+ int i;
+ struct resource *res;
+
+ kernel_lds_init();
+
+ for (i = 0; i < pavail_ents; i++) {
+ res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+
+ if (!res) {
+ pr_warn("Failed to allocate source.\n");
+ break;
+ }
+
+ res->name = "System RAM";
+ res->start = pavail[i].phys_addr;
+ res->end = pavail[i].phys_addr + pavail[i].reg_size - 1;
+ res->flags = IORESOURCE_BUSY | IORESOURCE_MEM;
+
+ if (insert_resource(&iomem_resource, res) < 0) {
+ pr_warn("Resource insertion failed.\n");
+ break;
+ }
+
+ insert_resource(res, &code_resource);
+ insert_resource(res, &data_resource);
+ insert_resource(res, &bss_resource);
+ }
+
+ return 0;
+}
+device_initcall(report_memory);
+
#ifdef CONFIG_SMP
#define do_flush_tlb_kernel_range smp_flush_tlb_kernel_range
#else
@@ -2730,3 +2795,4 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
do_flush_tlb_kernel_range(start, end);
}
}
+>>>>>>> c78f77e20d2ba5d4d5e478e85a6fb42556893e2d
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 16:57:22 +0100