diff options
Diffstat (limited to 'arch/microblaze')
-rw-r--r-- | arch/microblaze/include/asm/cacheflush.h | 1 | ||||
-rw-r--r-- | arch/microblaze/include/asm/prom.h | 135 | ||||
-rw-r--r-- | arch/microblaze/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/head.S | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/prom.c | 23 | ||||
-rw-r--r-- | arch/microblaze/kernel/sys_microblaze.c | 38 | ||||
-rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 3 | ||||
-rw-r--r-- | arch/microblaze/lib/memcpy.c | 2 | ||||
-rw-r--r-- | arch/microblaze/lib/memmove.c | 2 | ||||
-rw-r--r-- | arch/microblaze/lib/memset.c | 2 |
12 files changed, 18 insertions, 196 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index f989d6aad64..088076e657b 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -37,6 +37,7 @@ #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_range(start, end) __invalidate_dcache_range(start, end) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 37e6f305a68..ef3ec1d6ceb 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -12,23 +12,15 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ + #ifndef _ASM_MICROBLAZE_PROM_H #define _ASM_MICROBLAZE_PROM_H #ifdef __KERNEL__ - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - #ifndef __ASSEMBLY__ #include <linux/types.h> +#include <linux/of_fdt.h> #include <linux/proc_fs.h> #include <linux/platform_device.h> #include <asm/irq.h> @@ -41,122 +33,19 @@ #define of_prop_cmp(s1, s2) strcmp((s1), (s2)) #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) -/* - * This is what gets passed to the kernel by prom_init or kexec - * - * The dt struct contains the device tree structure, full pathes and - * property contents. The dt strings contain a separate block with just - * the strings for the property names, and is fully page aligned and - * self contained in a page, so that it can be kept around by the kernel, - * each property name appears only once in this page (cheap compression) - * - * the mem_rsvmap contains a map of reserved ranges of physical memory, - * passing it here instead of in the device-tree itself greatly simplifies - * the job of everybody. It's just a list of u64 pairs (base/size) that - * ends when size is 0 - */ -struct boot_param_header { - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ - /* version 17 fields below */ - u32 dt_struct_size; /* size of the DT structure block */ -}; - -typedef u32 phandle; -typedef u32 ihandle; - -struct property { - char *name; - int length; - void *value; - struct property *next; -}; - -struct device_node { - const char *name; - const char *type; - phandle node; - phandle linux_phandle; - char *full_name; - - struct property *properties; - struct property *deadprops; /* removed properties */ - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; -}; - extern struct device_node *of_chosen; -static inline int of_node_check_flag(struct device_node *n, unsigned long flag) -{ - return test_bit(flag, &n->_flags); -} - -static inline void of_node_set_flag(struct device_node *n, unsigned long flag) -{ - set_bit(flag, &n->_flags); -} - #define HAVE_ARCH_DEVTREE_FIXUPS -static inline void set_node_proc_entry(struct device_node *dn, - struct proc_dir_entry *de) -{ - dn->pde = de; -} - extern struct device_node *allnodes; /* temporary while merging */ extern rwlock_t devtree_lock; /* temporary while merging */ -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* For scanning the flat device-tree at boot time */ -extern int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -extern void *__init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); -extern int __init - of_flat_dt_is_compatible(unsigned long node, const char *name); -extern unsigned long __init of_get_flat_dt_root(void); - /* For updating the device tree at runtime */ extern void of_attach_node(struct device_node *); extern void of_detach_node(struct device_node *); /* Other Prototypes */ -extern void finish_device_tree(void); -extern void unflatten_device_tree(void); extern int early_uartlite_console(void); -extern void early_init_devtree(void *); -extern int machine_is_compatible(const char *compat); -extern void print_properties(struct device_node *node); -extern int prom_n_intr_cells(struct device_node *np); -extern void prom_get_irq_senses(unsigned char *senses, int off, int max); -extern int prom_add_property(struct device_node *np, struct property *prop); -extern int prom_remove_property(struct device_node *np, struct property *prop); -extern int prom_update_property(struct device_node *np, - struct property *newprop, - struct property *oldprop); extern struct resource *request_OF_resource(struct device_node *node, int index, const char *name_postfix); @@ -166,18 +55,6 @@ extern int release_OF_resource(struct device_node *node, int index); * OF address retreival & translation */ -/* Helper to read a big number; size is in cells (not bytes) */ -static inline u64 of_read_number(const u32 *cell, int size) -{ - u64 r = 0; - while (size--) - r = (r << 32) | *(cell++); - return r; -} - -/* Like of_read_number, but we want an unsigned long result */ -#define of_read_ulong(cell, size) of_read_number(cell, size) - /* Translate an OF address block into a CPU physical address */ extern u64 of_translate_address(struct device_node *np, const u32 *addr); @@ -305,12 +182,6 @@ extern int of_irq_to_resource(struct device_node *dev, int index, */ extern void __iomem *of_iomap(struct device_node *device, int index); -/* - * NB: This is here while we transition from using asm/prom.h - * to linux/of.h - */ -#include <linux/of.h> - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index acc1f05d1e2..e3ecb36dd55 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -592,6 +592,8 @@ C_ENTRY(full_exception_trap): nop mfs r7, rfsr; /* save FSR */ nop + mts rfsr, r0; /* Clear sticky fsr */ + nop la r12, r0, full_exception set_vms; rtbd r12, 0; diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index 697ce3007f3..30916193fcc 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -31,7 +31,7 @@ #include <linux/linkage.h> #include <asm/thread_info.h> #include <asm/page.h> -#include <asm/prom.h> /* for OF_DT_HEADER */ +#include <linux/of_fdt.h> /* for OF_DT_HEADER */ #ifdef CONFIG_MMU #include <asm/setup.h> /* COMMAND_LINE_SIZE */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 6b0288ebccd..2b86c03aa84 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -384,7 +384,7 @@ handle_other_ex: /* Handle Other exceptions here */ addk r8, r17, r0; /* Load exception address */ bralid r15, full_exception; /* Branch to the handler */ nop; - mts r0, rfsr; /* Clear sticky fsr */ + mts rfsr, r0; /* Clear sticky fsr */ nop /* diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 4201c743cc9..c592d475b3d 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -235,7 +235,9 @@ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp) regs->pc = pc; regs->r1 = usp; regs->pt_mode = 0; +#ifdef CONFIG_MMU regs->msr |= MSR_UMS; +#endif } #ifdef CONFIG_MMU diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index c005cc6f1aa..b817df172aa 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -860,29 +860,6 @@ struct device_node *of_find_node_by_phandle(phandle handle) EXPORT_SYMBOL(of_find_node_by_phandle); /** - * of_find_all_nodes - Get next node in global list - * @prev: Previous node or NULL to start iteration - * of_node_put() will be called on it - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_all_nodes(struct device_node *prev) -{ - struct device_node *np; - - read_lock(&devtree_lock); - np = prev ? prev->allnext : allnodes; - for (; np != NULL; np = np->allnext) - if (of_node_get(np)) - break; - of_node_put(prev); - read_unlock(&devtree_lock); - return np; -} -EXPORT_SYMBOL(of_find_all_nodes); - -/** * of_node_get - Increment refcount of a node * @node: Node to inc refcount, NULL is supported to * simplify writing of callers diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index 07cabed4b94..9f3c205fb75 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -62,46 +62,14 @@ out: return error; } -asmlinkage long -sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - struct file *file = NULL; - int ret = -EBADF; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) { - printk(KERN_INFO "no fd in mmap\r\n"); - goto out; - } - } - - down_write(¤t->mm->mmap_sem); - ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); -out: - return ret; -} - asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, off_t pgoff) { - int err = -EINVAL; - - if (pgoff & ~PAGE_MASK) { - printk(KERN_INFO "no pagemask in mmap\r\n"); - goto out; - } + if (pgoff & ~PAGE_MASK) + return -EINVAL; - err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); -out: - return err; + return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); } /* diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index ecec1915513..b96f365ea6b 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -196,7 +196,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* reserved for streams2 */ .long sys_vfork /* 190 */ .long sys_getrlimit - .long sys_mmap2 /* mmap2 */ + .long sys_mmap_pgoff /* mmap2 */ .long sys_truncate64 .long sys_ftruncate64 .long sys_stat64 /* 195 */ @@ -371,3 +371,4 @@ ENTRY(sys_call_table) .long sys_ni_syscall .long sys_rt_tgsigqueueinfo /* 365 */ .long sys_perf_event_open + .long sys_recvmmsg diff --git a/arch/microblaze/lib/memcpy.c b/arch/microblaze/lib/memcpy.c index 6a907c58a4b..cc2108b6b26 100644 --- a/arch/microblaze/lib/memcpy.c +++ b/arch/microblaze/lib/memcpy.c @@ -9,7 +9,7 @@ * It is based on demo code originally Copyright 2001 by Intel Corp, taken from * http://www.embedded.com/showArticle.jhtml?articleID=19205567 * - * Attempts were made, unsuccesfully, to contact the original + * Attempts were made, unsuccessfully, to contact the original * author of this code (Michael Morrow, Intel). Below is the original * copyright notice. * diff --git a/arch/microblaze/lib/memmove.c b/arch/microblaze/lib/memmove.c index d4e9f49a71f..0929198c5e6 100644 --- a/arch/microblaze/lib/memmove.c +++ b/arch/microblaze/lib/memmove.c @@ -9,7 +9,7 @@ * It is based on demo code originally Copyright 2001 by Intel Corp, taken from * http://www.embedded.com/showArticle.jhtml?articleID=19205567 * - * Attempts were made, unsuccesfully, to contact the original + * Attempts were made, unsuccessfully, to contact the original * author of this code (Michael Morrow, Intel). Below is the original * copyright notice. * diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c index 941dc8f94b0..4df851d41a2 100644 --- a/arch/microblaze/lib/memset.c +++ b/arch/microblaze/lib/memset.c @@ -9,7 +9,7 @@ * It is based on demo code originally Copyright 2001 by Intel Corp, taken from * http://www.embedded.com/showArticle.jhtml?articleID=19205567 * - * Attempts were made, unsuccesfully, to contact the original + * Attempts were made, unsuccessfully, to contact the original * author of this code (Michael Morrow, Intel). Below is the original * copyright notice. * |