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-rw-r--r--arch/sparc/Kconfig34
-rw-r--r--arch/sparc/Kconfig.debug5
-rw-r--r--arch/sparc/Makefile6
-rw-r--r--arch/sparc/crypto/md5_glue.c1
-rw-r--r--arch/sparc/crypto/sha1_glue.c1
-rw-r--r--arch/sparc/crypto/sha256_glue.c2
-rw-r--r--arch/sparc/crypto/sha512_glue.c2
-rw-r--r--arch/sparc/include/asm/Kbuild1
-rw-r--r--arch/sparc/include/asm/atomic_32.h24
-rw-r--r--arch/sparc/include/asm/atomic_64.h65
-rw-r--r--arch/sparc/include/asm/dma-mapping.h5
-rw-r--r--arch/sparc/include/asm/io_64.h19
-rw-r--r--arch/sparc/include/asm/kprobes.h1
-rw-r--r--arch/sparc/include/asm/msi.h32
-rw-r--r--arch/sparc/include/uapi/asm/socket.h3
-rw-r--r--arch/sparc/kernel/ioport.c193
-rw-r--r--arch/sparc/kernel/kprobes.c65
-rw-r--r--arch/sparc/kernel/time_64.c2
-rw-r--r--arch/sparc/lib/atomic32.c4
-rw-r--r--arch/sparc/mm/fault_32.c3
-rw-r--r--arch/sparc/mm/fault_64.c3
-rw-r--r--arch/sparc/mm/init_32.c127
-rw-r--r--arch/sparc/mm/srmmu.c20
23 files changed, 141 insertions, 477 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 0f535debf802..e6f2a38d2e61 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -45,9 +45,13 @@ config SPARC
select LOCKDEP_SMALL if LOCKDEP
select NEED_DMA_MAP_STATE
select NEED_SG_DMA_LENGTH
+ select HAVE_MEMBLOCK
+ select NO_BOOTMEM
config SPARC32
def_bool !64BIT
+ select ARCH_HAS_SYNC_DMA_FOR_CPU
+ select DMA_NONCOHERENT_OPS
select GENERIC_ATOMIC64
select CLZ_TAB
select HAVE_UID16
@@ -60,7 +64,6 @@ config SPARC64
select HAVE_KRETPROBES
select HAVE_KPROBES
select HAVE_RCU_TABLE_FREE if SMP
- select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_DYNAMIC_FTRACE
@@ -79,7 +82,6 @@ config SPARC64
select IRQ_PREFLOW_FASTEOI
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select HAVE_C_RECORDMCOUNT
- select NO_BOOTMEM
select HAVE_ARCH_AUDITSYSCALL
select ARCH_SUPPORTS_ATOMIC_RMW
select HAVE_NMI
@@ -155,10 +157,6 @@ config PGTABLE_LEVELS
config ARCH_SUPPORTS_UPROBES
def_bool y if SPARC64
-source "init/Kconfig"
-
-source "kernel/Kconfig.freezer"
-
menu "Processor type and features"
config SMP
@@ -331,8 +329,6 @@ config FORCE_MAX_ZONEORDER
This config option is actually maximum order plus one. For example,
a value of 13 means that the largest free memory block is 2^12 pages.
-source "mm/Kconfig"
-
if SPARC64
source "kernel/power/Kconfig"
endif
@@ -355,8 +351,6 @@ config SCHED_MC
making when dealing with multi-core CPU chips at a cost of slightly
increased overhead in some places. If unsure say N here.
-source "kernel/Kconfig.preempt"
-
config CMDLINE_BOOL
bool "Default bootloader kernel arguments"
depends on SPARC64
@@ -556,10 +550,6 @@ config SPARC64_PCI_MSI
endmenu
-menu "Executable file formats"
-
-source "fs/Kconfig.binfmt"
-
config COMPAT
bool
depends on SPARC64
@@ -574,20 +564,4 @@ config SYSVIPC_COMPAT
depends on COMPAT && SYSVIPC
default y
-endmenu
-
-source "net/Kconfig"
-
-source "drivers/Kconfig"
-
source "drivers/sbus/char/Kconfig"
-
-source "fs/Kconfig"
-
-source "arch/sparc/Kconfig.debug"
-
-source "security/Kconfig"
-
-source "crypto/Kconfig"
-
-source "lib/Kconfig"
diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug
index 4aef29a11925..50a918d496c8 100644
--- a/arch/sparc/Kconfig.debug
+++ b/arch/sparc/Kconfig.debug
@@ -1,12 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
-menu "Kernel hacking"
config TRACE_IRQFLAGS_SUPPORT
bool
default y
-source "lib/Kconfig.debug"
-
config DEBUG_DCFLUSH
bool "D-cache flush debugging"
depends on SPARC64 && DEBUG_KERNEL
@@ -21,5 +18,3 @@ config FRAME_POINTER
bool
depends on MCOUNT
default y
-
-endmenu
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index 966a13d2b127..e32ef20de567 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -9,10 +9,10 @@
# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
# We are not yet configured - so test on arch
-ifeq ($(ARCH),sparc)
- KBUILD_DEFCONFIG := sparc32_defconfig
-else
+ifeq ($(ARCH),sparc64)
KBUILD_DEFCONFIG := sparc64_defconfig
+else
+ KBUILD_DEFCONFIG := sparc32_defconfig
endif
ifeq ($(CONFIG_SPARC32),y)
diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c
index c9d2b922734b..bc9cc26efa3d 100644
--- a/arch/sparc/crypto/md5_glue.c
+++ b/arch/sparc/crypto/md5_glue.c
@@ -144,7 +144,6 @@ static struct shash_alg alg = {
.cra_name = "md5",
.cra_driver_name= "md5-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = MD5_HMAC_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c
index 1b3e47accc74..4d6d7faf728e 100644
--- a/arch/sparc/crypto/sha1_glue.c
+++ b/arch/sparc/crypto/sha1_glue.c
@@ -139,7 +139,6 @@ static struct shash_alg alg = {
.cra_name = "sha1",
.cra_driver_name= "sha1-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c
index 285268ca9279..54c4de2db188 100644
--- a/arch/sparc/crypto/sha256_glue.c
+++ b/arch/sparc/crypto/sha256_glue.c
@@ -169,7 +169,6 @@ static struct shash_alg sha256 = {
.cra_name = "sha256",
.cra_driver_name= "sha256-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -185,7 +184,6 @@ static struct shash_alg sha224 = {
.cra_name = "sha224",
.cra_driver_name= "sha224-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c
index 11eb36c3fc8c..4c55e97a4408 100644
--- a/arch/sparc/crypto/sha512_glue.c
+++ b/arch/sparc/crypto/sha512_glue.c
@@ -154,7 +154,6 @@ static struct shash_alg sha512 = {
.cra_name = "sha512",
.cra_driver_name= "sha512-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -170,7 +169,6 @@ static struct shash_alg sha384 = {
.cra_name = "sha384",
.cra_driver_name= "sha384-sparc64",
.cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index ac67828da201..410b263ef5c8 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -13,6 +13,7 @@ generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += module.h
+generic-y += msi.h
generic-y += preempt.h
generic-y += rwsem.h
generic-y += serial.h
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index d13ce517f4b9..94c930f0bc62 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -27,17 +27,17 @@ int atomic_fetch_or(int, atomic_t *);
int atomic_fetch_xor(int, atomic_t *);
int atomic_cmpxchg(atomic_t *, int, int);
int atomic_xchg(atomic_t *, int);
-int __atomic_add_unless(atomic_t *, int, int);
+int atomic_fetch_add_unless(atomic_t *, int, int);
void atomic_set(atomic_t *, int);
+#define atomic_fetch_add_unless atomic_fetch_add_unless
+
#define atomic_set_release(v, i) atomic_set((v), (i))
#define atomic_read(v) READ_ONCE((v)->counter)
#define atomic_add(i, v) ((void)atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)atomic_add_return(-(int)(i), (v)))
-#define atomic_inc(v) ((void)atomic_add_return( 1, (v)))
-#define atomic_dec(v) ((void)atomic_add_return( -1, (v)))
#define atomic_and(i, v) ((void)atomic_fetch_and((i), (v)))
#define atomic_or(i, v) ((void)atomic_fetch_or((i), (v)))
@@ -46,22 +46,4 @@ void atomic_set(atomic_t *, int);
#define atomic_sub_return(i, v) (atomic_add_return(-(int)(i), (v)))
#define atomic_fetch_sub(i, v) (atomic_fetch_add (-(int)(i), (v)))
-#define atomic_inc_return(v) (atomic_add_return( 1, (v)))
-#define atomic_dec_return(v) (atomic_add_return( -1, (v)))
-
-#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
-
-/*
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-
-#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-
#endif /* !(__ARCH_SPARC_ATOMIC__) */
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 28db058d471b..6963482c81d8 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -50,38 +50,6 @@ ATOMIC_OPS(xor)
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
-#define atomic_dec_return(v) atomic_sub_return(1, v)
-#define atomic64_dec_return(v) atomic64_sub_return(1, v)
-
-#define atomic_inc_return(v) atomic_add_return(1, v)
-#define atomic64_inc_return(v) atomic64_add_return(1, v)
-
-/*
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
-
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-#define atomic64_sub_and_test(i, v) (atomic64_sub_return(i, v) == 0)
-
-#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
-#define atomic64_dec_and_test(v) (atomic64_sub_return(1, v) == 0)
-
-#define atomic_inc(v) atomic_add(1, v)
-#define atomic64_inc(v) atomic64_add(1, v)
-
-#define atomic_dec(v) atomic_sub(1, v)
-#define atomic64_dec(v) atomic64_sub(1, v)
-
-#define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0)
-#define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0)
-
#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
static inline int atomic_xchg(atomic_t *v, int new)
@@ -89,42 +57,11 @@ static inline int atomic_xchg(atomic_t *v, int new)
return xchg(&v->counter, new);
}
-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;
-}
-
#define atomic64_cmpxchg(v, o, n) \
((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
-static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
-{
- long c, old;
- c = atomic64_read(v);
- for (;;) {
- if (unlikely(c == (u)))
- break;
- old = atomic64_cmpxchg((v), c, c + (a));
- if (likely(old == c))
- break;
- c = old;
- }
- return c != (u);
-}
-
-#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-
long atomic64_dec_if_positive(atomic64_t *v);
+#define atomic64_dec_if_positive atomic64_dec_if_positive
#endif /* !(__ARCH_SPARC64_ATOMIC__) */
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 12ae33daf52f..e17566376934 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -7,7 +7,6 @@
#include <linux/dma-debug.h>
extern const struct dma_map_ops *dma_ops;
-extern const struct dma_map_ops pci32_dma_ops;
extern struct bus_type pci_bus_type;
@@ -15,11 +14,11 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
#ifdef CONFIG_SPARC_LEON
if (sparc_cpu_model == sparc_leon)
- return &pci32_dma_ops;
+ return &dma_noncoherent_ops;
#endif
#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
if (bus == &pci_bus_type)
- return &pci32_dma_ops;
+ return &dma_noncoherent_ops;
#endif
return dma_ops;
}
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 9a1e9cbc7e6d..b162c23ae8c2 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -243,35 +243,42 @@ 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)
+static inline void readsb(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)
+static inline void readsw(void __iomem *port, void *buf, unsigned long count)
{
insw((unsigned long __force)port, buf, count);
}
-static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
+static inline void readsl(void __iomem *port, void *buf, unsigned long count)
{
insl((unsigned long __force)port, buf, count);
}
-static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
+static inline void writesb(void __iomem *port, const void *buf, unsigned long count)
{
outsb((unsigned long __force)port, buf, count);
}
-static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
+static inline void writesw(void __iomem *port, const void *buf, unsigned long count)
{
outsw((unsigned long __force)port, buf, count);
}
-static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
+static inline void writesl(void __iomem *port, const void *buf, unsigned long count)
{
outsl((unsigned long __force)port, buf, count);
}
+#define ioread8_rep(p,d,l) readsb(p,d,l)
+#define ioread16_rep(p,d,l) readsw(p,d,l)
+#define ioread32_rep(p,d,l) readsl(p,d,l)
+#define iowrite8_rep(p,d,l) writesb(p,d,l)
+#define iowrite16_rep(p,d,l) writesw(p,d,l)
+#define iowrite32_rep(p,d,l) writesl(p,d,l)
+
/* Valid I/O Space regions are anywhere, because each PCI bus supported
* can live in an arbitrary area of the physical address range.
*/
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h
index 3704490b4488..bfcaa6326c20 100644
--- a/arch/sparc/include/asm/kprobes.h
+++ b/arch/sparc/include/asm/kprobes.h
@@ -44,7 +44,6 @@ struct kprobe_ctlblk {
unsigned long kprobe_status;
unsigned long kprobe_orig_tnpc;
unsigned long kprobe_orig_tstate_pil;
- struct pt_regs jprobe_saved_regs;
struct prev_kprobe prev_kprobe;
};
diff --git a/arch/sparc/include/asm/msi.h b/arch/sparc/include/asm/msi.h
deleted file mode 100644
index 3c17c1074431..000000000000
--- a/arch/sparc/include/asm/msi.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * msi.h: Defines specific to the MBus - Sbus - Interface.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
- */
-
-#ifndef _SPARC_MSI_H
-#define _SPARC_MSI_H
-
-/*
- * Locations of MSI Registers.
- */
-#define MSI_MBUS_ARBEN 0xe0001008 /* MBus Arbiter Enable register */
-
-/*
- * Useful bits in the MSI Registers.
- */
-#define MSI_ASYNC_MODE 0x80000000 /* Operate the MSI asynchronously */
-
-
-static inline void msi_set_sync(void)
-{
- __asm__ __volatile__ ("lda [%0] %1, %%g3\n\t"
- "andn %%g3, %2, %%g3\n\t"
- "sta %%g3, [%0] %1\n\t" : :
- "r" (MSI_MBUS_ARBEN),
- "i" (ASI_M_CTL), "r" (MSI_ASYNC_MODE) : "g3");
-}
-
-#endif /* !(_SPARC_MSI_H) */
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index d58520c2e6ff..7ea35e5601b6 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -101,6 +101,9 @@
#define SO_ZEROCOPY 0x003e
+#define SO_TXTIME 0x003f
+#define SCM_TXTIME SO_TXTIME
+
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index cca9134cfa7d..6799c93c9f27 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -38,6 +38,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/scatterlist.h>
+#include <linux/dma-noncoherent.h>
#include <linux/of_device.h>
#include <asm/io.h>
@@ -434,42 +435,41 @@ arch_initcall(sparc_register_ioport);
/* Allocate and map kernel buffer using consistent mode DMA for a device.
* hwdev should be valid struct pci_dev pointer for PCI devices.
*/
-static void *pci32_alloc_coherent(struct device *dev, size_t len,
- dma_addr_t *pba, gfp_t gfp,
- unsigned long attrs)
+void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ gfp_t gfp, unsigned long attrs)
{
- unsigned long len_total = PAGE_ALIGN(len);
+ unsigned long len_total = PAGE_ALIGN(size);
void *va;
struct resource *res;
int order;
- if (len == 0) {
+ if (size == 0) {
return NULL;
}
- if (len > 256*1024) { /* __get_free_pages() limit */
+ if (size > 256*1024) { /* __get_free_pages() limit */
return NULL;
}
order = get_order(len_total);
va = (void *) __get_free_pages(gfp, order);
if (va == NULL) {
- printk("pci_alloc_consistent: no %ld pages\n", len_total>>PAGE_SHIFT);
+ printk("%s: no %ld pages\n", __func__, len_total>>PAGE_SHIFT);
goto err_nopages;
}
if ((res = kzalloc(sizeof(struct resource), GFP_KERNEL)) == NULL) {
- printk("pci_alloc_consistent: no core\n");
+ printk("%s: no core\n", __func__);
goto err_nomem;
}
if (allocate_resource(&_sparc_dvma, res, len_total,
_sparc_dvma.start, _sparc_dvma.end, PAGE_SIZE, NULL, NULL) != 0) {
- printk("pci_alloc_consistent: cannot occupy 0x%lx", len_total);
+ printk("%s: cannot occupy 0x%lx", __func__, len_total);
goto err_nova;
}
srmmu_mapiorange(0, virt_to_phys(va), res->start, len_total);
- *pba = virt_to_phys(va); /* equals virt_to_bus (R.I.P.) for us. */
+ *dma_handle = virt_to_phys(va);
return (void *) res->start;
err_nova:
@@ -481,184 +481,53 @@ err_nopages:
}
/* Free and unmap a consistent DMA buffer.
- * cpu_addr is what was returned from pci_alloc_consistent,
- * size must be the same as what as passed into pci_alloc_consistent,
- * and likewise dma_addr must be the same as what *dma_addrp was set to.
+ * cpu_addr is what was returned arch_dma_alloc, size must be the same as what
+ * was passed into arch_dma_alloc, and likewise dma_addr must be the same as
+ * what *dma_ndler was set to.
*
* References to the memory and mappings associated with cpu_addr/dma_addr
* past this call are illegal.
*/
-static void pci32_free_coherent(struct device *dev, size_t n, void *p,
- dma_addr_t ba, unsigned long attrs)
+void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_addr, unsigned long attrs)
{
struct resource *res;
if ((res = lookup_resource(&_sparc_dvma,
- (unsigned long)p)) == NULL) {
- printk("pci_free_consistent: cannot free %p\n", p);
+ (unsigned long)cpu_addr)) == NULL) {
+ printk("%s: cannot free %p\n", __func__, cpu_addr);
return;
}
- if (((unsigned long)p & (PAGE_SIZE-1)) != 0) {
- printk("pci_free_consistent: unaligned va %p\n", p);
+ if (((unsigned long)cpu_addr & (PAGE_SIZE-1)) != 0) {
+ printk("%s: unaligned va %p\n", __func__, cpu_addr);
return;
}
- n = PAGE_ALIGN(n);
- if (resource_size(res) != n) {
- printk("pci_free_consistent: region 0x%lx asked 0x%lx\n",
- (long)resource_size(res), (long)n);
+ size = PAGE_ALIGN(size);
+ if (resource_size(res) != size) {
+ printk("%s: region 0x%lx asked 0x%zx\n", __func__,
+ (long)resource_size(res), size);
return;
}
- dma_make_coherent(ba, n);
- srmmu_unmapiorange((unsigned long)p, n);
+ dma_make_coherent(dma_addr, size);
+ srmmu_unmapiorange((unsigned long)cpu_addr, size);
release_resource(res);
kfree(res);
- free_pages((unsigned long)phys_to_virt(ba), get_order(n));
-}
-
-/*
- * Same as pci_map_single, but with pages.
- */
-static dma_addr_t pci32_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction dir,
- unsigned long attrs)
-{
- /* IIep is write-through, not flushing. */
- return page_to_phys(page) + offset;
-}
-
-static void pci32_unmap_page(struct device *dev, dma_addr_t ba, size_t size,
- enum dma_data_direction dir, unsigned long attrs)
-{
- if (dir != PCI_DMA_TODEVICE && !(attrs & DMA_ATTR_SKIP_CPU_SYNC))
- dma_make_coherent(ba, PAGE_ALIGN(size));
-}
-
-/* Map a set of buffers described by scatterlist in streaming
- * mode for DMA. This is the scatter-gather version of the
- * above pci_map_single interface. Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length. They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- * DMA address/length pairs than there are SG table elements.
- * (for example via virtual mapping capabilities)
- * The routine returns the number of addr/length pairs actually
- * used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
-static int pci32_map_sg(struct device *device, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir,
- unsigned long attrs)
-{
- struct scatterlist *sg;
- int n;
-
- /* IIep is write-through, not flushing. */
- for_each_sg(sgl, sg, nents, n) {
- sg->dma_address = sg_phys(sg);
- sg->dma_length = sg->length;
- }
- return nents;
-}
-
-/* Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
-static void pci32_unmap_sg(struct device *dev, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir,
- unsigned long attrs)
-{
- struct scatterlist *sg;
- int n;
-
- if (dir != PCI_DMA_TODEVICE && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) {
- for_each_sg(sgl, sg, nents, n) {
- dma_make_coherent(sg_phys(sg), PAGE_ALIGN(sg->length));
- }
- }
-}
-
-/* Make physical memory consistent for a single
- * streaming mode DMA translation before or after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the
- * buffer using the cpu, yet do not wish to teardown the PCI dma
- * mapping, you must call this function before doing so. At the
- * next point you give the PCI dma address back to the card, you
- * must first perform a pci_dma_sync_for_device, and then the
- * device again owns the buffer.
- */
-static void pci32_sync_single_for_cpu(struct device *dev, dma_addr_t ba,
- size_t size, enum dma_data_direction dir)
-{
- if (dir != PCI_DMA_TODEVICE) {
- dma_make_coherent(ba, PAGE_ALIGN(size));
- }
-}
-
-static void pci32_sync_single_for_device(struct device *dev, dma_addr_t ba,
- size_t size, enum dma_data_direction dir)
-{
- if (dir != PCI_DMA_TODEVICE) {
- dma_make_coherent(ba, PAGE_ALIGN(size));
- }
+ free_pages((unsigned long)phys_to_virt(dma_addr), get_order(size));
}
-/* Make physical memory consistent for a set of streaming
- * mode DMA translations after a transfer.
- *
- * The same as pci_dma_sync_single_* but for a scatter-gather list,
- * same rules and usage.
- */
-static void pci32_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir)
-{
- struct scatterlist *sg;
- int n;
-
- if (dir != PCI_DMA_TODEVICE) {
- for_each_sg(sgl, sg, nents, n) {
- dma_make_coherent(sg_phys(sg), PAGE_ALIGN(sg->length));
- }
- }
-}
+/* IIep is write-through, not flushing on cpu to device transfer. */
-static void pci32_sync_sg_for_device(struct device *device, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir)
+void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
+ size_t size, enum dma_data_direction dir)
{
- struct scatterlist *sg;
- int n;
-
- if (dir != PCI_DMA_TODEVICE) {
- for_each_sg(sgl, sg, nents, n) {
- dma_make_coherent(sg_phys(sg), PAGE_ALIGN(sg->length));
- }
- }
+ if (dir != PCI_DMA_TODEVICE)
+ dma_make_coherent(paddr, PAGE_ALIGN(size));
}
-/* note: leon re-uses pci32_dma_ops */
-const struct dma_map_ops pci32_dma_ops = {
- .alloc = pci32_alloc_coherent,
- .free = pci32_free_coherent,
- .map_page = pci32_map_page,
- .unmap_page = pci32_unmap_page,
- .map_sg = pci32_map_sg,
- .unmap_sg = pci32_unmap_sg,
- .sync_single_for_cpu = pci32_sync_single_for_cpu,
- .sync_single_for_device = pci32_sync_single_for_device,
- .sync_sg_for_cpu = pci32_sync_sg_for_cpu,
- .sync_sg_for_device = pci32_sync_sg_for_device,
-};
-EXPORT_SYMBOL(pci32_dma_ops);
-
const struct dma_map_ops *dma_ops = &sbus_dma_ops;
EXPORT_SYMBOL(dma_ops);
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index ab4ba4347941..dfbca2470536 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -147,18 +147,12 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
kcb->kprobe_status = KPROBE_REENTER;
prepare_singlestep(p, regs, kcb);
return 1;
- } else {
- if (*(u32 *)addr != BREAKPOINT_INSTRUCTION) {
+ } else if (*(u32 *)addr != BREAKPOINT_INSTRUCTION) {
/* The breakpoint instruction was removed by
* another cpu right after we hit, no further
* handling of this interrupt is appropriate
*/
- ret = 1;
- goto no_kprobe;
- }
- p = __this_cpu_read(current_kprobe);
- if (p->break_handler && p->break_handler(p, regs))
- goto ss_probe;
+ ret = 1;
}
goto no_kprobe;
}
@@ -181,10 +175,12 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
set_current_kprobe(p, regs, kcb);
kcb->kprobe_status = KPROBE_HIT_ACTIVE;
- if (p->pre_handler && p->pre_handler(p, regs))
+ if (p->pre_handler && p->pre_handler(p, regs)) {
+ reset_current_kprobe();
+ preempt_enable_no_resched();
return 1;
+ }
-ss_probe:
prepare_singlestep(p, regs, kcb);
kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
@@ -441,53 +437,6 @@ out:
exception_exit(prev_state);
}
-/* Jprobes support. */
-int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
-{
- struct jprobe *jp = container_of(p, struct jprobe, kp);
- struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-
- memcpy(&(kcb->jprobe_saved_regs), regs, sizeof(*regs));
-
- regs->tpc = (unsigned long) jp->entry;
- regs->tnpc = ((unsigned long) jp->entry) + 0x4UL;
- regs->tstate |= TSTATE_PIL;
-
- return 1;
-}
-
-void __kprobes jprobe_return(void)
-{
- struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
- register unsigned long orig_fp asm("g1");
-
- orig_fp = kcb->jprobe_saved_regs.u_regs[UREG_FP];
- __asm__ __volatile__("\n"
-"1: cmp %%sp, %0\n\t"
- "blu,a,pt %%xcc, 1b\n\t"
- " restore\n\t"
- ".globl jprobe_return_trap_instruction\n"
-"jprobe_return_trap_instruction:\n\t"
- "ta 0x70"
- : /* no outputs */
- : "r" (orig_fp));
-}
-
-extern void jprobe_return_trap_instruction(void);
-
-int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
-{
- u32 *addr = (u32 *) regs->tpc;
- struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-
- if (addr == (u32 *) jprobe_return_trap_instruction) {
- memcpy(regs, &(kcb->jprobe_saved_regs), sizeof(*regs));
- preempt_enable_no_resched();
- return 1;
- }
- return 0;
-}
-
/* The value stored in the return address register is actually 2
* instructions before where the callee will return to.
* Sequences usually look something like this
@@ -562,9 +511,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
regs->tpc = orig_ret_address;
regs->tnpc = orig_ret_address + 4;
- reset_current_kprobe();
kretprobe_hash_unlock(current, &flags);
- preempt_enable_no_resched();
hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
hlist_del(&ri->hlist);
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 2ef8cfa9677e..f0eba72aa1ad 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -814,7 +814,7 @@ static void __init get_tick_patch(void)
}
}
-static void init_tick_ops(struct sparc64_tick_ops *ops)
+static void __init init_tick_ops(struct sparc64_tick_ops *ops)
{
unsigned long freq, quotient, tick;
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 465a901a0ada..281fa634bb1a 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -95,7 +95,7 @@ int atomic_cmpxchg(atomic_t *v, int old, int new)
}
EXPORT_SYMBOL(atomic_cmpxchg);
-int __atomic_add_unless(atomic_t *v, int a, int u)
+int atomic_fetch_add_unless(atomic_t *v, int a, int u)
{
int ret;
unsigned long flags;
@@ -107,7 +107,7 @@ int __atomic_add_unless(atomic_t *v, int a, int u)
spin_unlock_irqrestore(ATOMIC_HASH(v), flags);
return ret;
}
-EXPORT_SYMBOL(__atomic_add_unless);
+EXPORT_SYMBOL(atomic_fetch_add_unless);
/* Atomic operations are already serializing */
void atomic_set(atomic_t *v, int i)
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 9f75b6444bf1..b0440b0edd97 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -166,7 +166,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
unsigned int fixup;
unsigned long g2;
int from_user = !(regs->psr & PSR_PS);
- int fault, code;
+ int code;
+ vm_fault_t fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
if (text_fault)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 63166fcf9e25..8f8a604c1300 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -278,7 +278,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
unsigned int insn = 0;
- int si_code, fault_code, fault;
+ int si_code, fault_code;
+ vm_fault_t fault;
unsigned long address, mm_rss;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 95fe4f081ba3..92634d4e440c 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/highmem.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/pagemap.h>
#include <linux/poison.h>
#include <linux/gfp.h>
@@ -101,13 +102,46 @@ static unsigned long calc_max_low_pfn(void)
return tmp;
}
+static void __init find_ramdisk(unsigned long end_of_phys_memory)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+ unsigned long size;
+
+ /* Now have to check initial ramdisk, so that it won't pass
+ * the end of memory
+ */
+ if (sparc_ramdisk_image) {
+ if (sparc_ramdisk_image >= (unsigned long)&_end - 2 * PAGE_SIZE)
+ sparc_ramdisk_image -= KERNBASE;
+ initrd_start = sparc_ramdisk_image + phys_base;
+ initrd_end = initrd_start + sparc_ramdisk_size;
+ if (initrd_end > end_of_phys_memory) {
+ printk(KERN_CRIT "initrd extends beyond end of memory "
+ "(0x%016lx > 0x%016lx)\ndisabling initrd\n",
+ initrd_end, end_of_phys_memory);
+ initrd_start = 0;
+ } else {
+ /* Reserve the initrd image area. */
+ size = initrd_end - initrd_start;
+ memblock_reserve(initrd_start, size);
+
+ initrd_start = (initrd_start - phys_base) + PAGE_OFFSET;
+ initrd_end = (initrd_end - phys_base) + PAGE_OFFSET;
+ }
+ }
+#endif
+}
+
unsigned long __init bootmem_init(unsigned long *pages_avail)
{
- unsigned long bootmap_size, start_pfn;
- unsigned long end_of_phys_memory = 0UL;
- unsigned long bootmap_pfn, bytes_avail, size;
+ unsigned long start_pfn, bytes_avail, size;
+ unsigned long end_of_phys_memory = 0;
+ unsigned long high_pages = 0;
int i;
+ memblock_set_bottom_up(true);
+ memblock_allow_resize();
+
bytes_avail = 0UL;
for (i = 0; sp_banks[i].num_bytes != 0; i++) {
end_of_phys_memory = sp_banks[i].base_addr +
@@ -124,24 +158,25 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
if (sp_banks[i].num_bytes == 0) {
sp_banks[i].base_addr = 0xdeadbeef;
} else {
+ memblock_add(sp_banks[i].base_addr,
+ sp_banks[i].num_bytes);
sp_banks[i+1].num_bytes = 0;
sp_banks[i+1].base_addr = 0xdeadbeef;
}
break;
}
}
+ memblock_add(sp_banks[i].base_addr, sp_banks[i].num_bytes);
}
/* Start with page aligned address of last symbol in kernel
- * image.
+ * image.
*/
start_pfn = (unsigned long)__pa(PAGE_ALIGN((unsigned long) &_end));
/* Now shift down to get the real physical page frame number. */
start_pfn >>= PAGE_SHIFT;
- bootmap_pfn = start_pfn;
-
max_pfn = end_of_phys_memory >> PAGE_SHIFT;
max_low_pfn = max_pfn;
@@ -150,85 +185,19 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
if (max_low_pfn > pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT)) {
highstart_pfn = pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT);
max_low_pfn = calc_max_low_pfn();
+ high_pages = calc_highpages();
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
- calc_highpages() >> (20 - PAGE_SHIFT));
+ high_pages >> (20 - PAGE_SHIFT));
}
-#ifdef CONFIG_BLK_DEV_INITRD
- /* Now have to check initial ramdisk, so that bootmap does not overwrite it */
- if (sparc_ramdisk_image) {
- if (sparc_ramdisk_image >= (unsigned long)&_end - 2 * PAGE_SIZE)
- sparc_ramdisk_image -= KERNBASE;
- initrd_start = sparc_ramdisk_image + phys_base;
- initrd_end = initrd_start + sparc_ramdisk_size;
- if (initrd_end > end_of_phys_memory) {
- printk(KERN_CRIT "initrd extends beyond end of memory "
- "(0x%016lx > 0x%016lx)\ndisabling initrd\n",
- initrd_end, end_of_phys_memory);
- initrd_start = 0;
- }
- if (initrd_start) {
- if (initrd_start >= (start_pfn << PAGE_SHIFT) &&
- initrd_start < (start_pfn << PAGE_SHIFT) + 2 * PAGE_SIZE)
- bootmap_pfn = PAGE_ALIGN (initrd_end) >> PAGE_SHIFT;
- }
- }
-#endif
- /* Initialize the boot-time allocator. */
- bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap_pfn, pfn_base,
- max_low_pfn);
-
- /* Now register the available physical memory with the
- * allocator.
- */
- *pages_avail = 0;
- for (i = 0; sp_banks[i].num_bytes != 0; i++) {
- unsigned long curr_pfn, last_pfn;
+ find_ramdisk(end_of_phys_memory);
- curr_pfn = sp_banks[i].base_addr >> PAGE_SHIFT;
- if (curr_pfn >= max_low_pfn)
- break;
-
- last_pfn = (sp_banks[i].base_addr + sp_banks[i].num_bytes) >> PAGE_SHIFT;
- if (last_pfn > max_low_pfn)
- last_pfn = max_low_pfn;
-
- /*
- * .. finally, did all the rounding and playing
- * around just make the area go away?
- */
- if (last_pfn <= curr_pfn)
- continue;
-
- size = (last_pfn - curr_pfn) << PAGE_SHIFT;
- *pages_avail += last_pfn - curr_pfn;
-
- free_bootmem(sp_banks[i].base_addr, size);
- }
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start) {
- /* Reserve the initrd image area. */
- size = initrd_end - initrd_start;
- reserve_bootmem(initrd_start, size, BOOTMEM_DEFAULT);
- *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT;
-
- initrd_start = (initrd_start - phys_base) + PAGE_OFFSET;
- initrd_end = (initrd_end - phys_base) + PAGE_OFFSET;
- }
-#endif
/* Reserve the kernel text/data/bss. */
size = (start_pfn << PAGE_SHIFT) - phys_base;
- reserve_bootmem(phys_base, size, BOOTMEM_DEFAULT);
- *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT;
+ memblock_reserve(phys_base, size);
- /* Reserve the bootmem map. We do not account for it
- * in pages_avail because we will release that memory
- * in free_all_bootmem.
- */
- size = bootmap_size;
- reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size, BOOTMEM_DEFAULT);
- *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT;
+ size = memblock_phys_mem_size() - memblock_reserved_size();
+ *pages_avail = (size >> PAGE_SHIFT) - high_pages;
return max_pfn;
}
@@ -322,7 +291,7 @@ void __init mem_init(void)
map_high_region(start_pfn, end_pfn);
}
-
+
mem_init_print_info(NULL);
}
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 1d70c3f6d986..be9cb0065179 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -37,7 +37,6 @@
#include <asm/mbus.h>
#include <asm/page.h>
#include <asm/asi.h>
-#include <asm/msi.h>
#include <asm/smp.h>
#include <asm/io.h>
@@ -116,6 +115,25 @@ static inline void srmmu_ctxd_set(ctxd_t *ctxp, pgd_t *pgdp)
set_pte((pte_t *)ctxp, pte);
}
+/*
+ * Locations of MSI Registers.
+ */
+#define MSI_MBUS_ARBEN 0xe0001008 /* MBus Arbiter Enable register */
+
+/*
+ * Useful bits in the MSI Registers.
+ */
+#define MSI_ASYNC_MODE 0x80000000 /* Operate the MSI asynchronously */
+
+static void msi_set_sync(void)
+{
+ __asm__ __volatile__ ("lda [%0] %1, %%g3\n\t"
+ "andn %%g3, %2, %%g3\n\t"
+ "sta %%g3, [%0] %1\n\t" : :
+ "r" (MSI_MBUS_ARBEN),
+ "i" (ASI_M_CTL), "r" (MSI_ASYNC_MODE) : "g3");
+}
+
void pmd_set(pmd_t *pmdp, pte_t *ptep)
{
unsigned long ptp; /* Physical address, shifted right by 4 */