- move linux specific defines from usb and video code into linux/compat.h - move common linux specific defines from include/ubi_uboot.h to linux/compat.h - add for new mtd/ubi/ubifs sync new needed linux specific defines to linux/compat.h
Signed-off-by: Heiko Schocher hs@denx.de Cc: Tom Rini trini@ti.com Cc: Marek Vasut marex@denx.de Cc: Anatolij Gustschin agust@denx.de --- - changes for v5: new
drivers/usb/gadget/ether.c | 5 - drivers/usb/gadget/storage_common.c | 5 - drivers/usb/musb-new/linux-compat.h | 58 ------- drivers/video/exynos_dp.c | 1 + drivers/video/exynos_mipi_dsi.c | 1 + fs/yaffs2/ydirectenv.h | 2 - include/linux/compat.h | 330 +++++++++++++++++++++++++++++++++++- include/linux/usb/gadget.h | 6 +- include/ubi_uboot.h | 165 ++---------------- lib/Makefile | 1 + lib/linux_compat.c | 47 +++++ 11 files changed, 386 insertions(+), 235 deletions(-) create mode 100644 lib/linux_compat.c
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index cc6cc1f..d0dd29f 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -25,15 +25,10 @@
#define atomic_read extern struct platform_data brd; -#define spin_lock(x) -#define spin_unlock(x)
unsigned packet_received, packet_sent;
-#define GFP_ATOMIC ((gfp_t) 0) -#define GFP_KERNEL ((gfp_t) 0) - /* * Ethernet gadget driver -- with CDC and non-CDC options * Builds on hardware support for a full duplex link. diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 02803df..b55e40b 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -267,11 +267,6 @@ struct interrupt_data { #define ASCQ(x) ((u8) (x))
struct device_attribute { int i; }; -struct rw_semaphore { int i; }; -#define down_write(...) do { } while (0) -#define up_write(...) do { } while (0) -#define down_read(...) do { } while (0) -#define up_read(...) do { } while (0) #define ETOOSMALL 525
#include <usb_mass_storage.h> diff --git a/drivers/usb/musb-new/linux-compat.h b/drivers/usb/musb-new/linux-compat.h index d7a5663..46f83d9 100644 --- a/drivers/usb/musb-new/linux-compat.h +++ b/drivers/usb/musb-new/linux-compat.h @@ -5,39 +5,6 @@ #include <linux/list.h> #include <linux/compat.h>
-#define __init -#define __devinit -#define __devinitdata -#define __devinitconst -#define __iomem -#define __deprecated - -struct unused {}; -typedef struct unused unused_t; - -typedef int irqreturn_t; -typedef unused_t spinlock_t; - -struct work_struct {}; - -struct timer_list {}; -struct notifier_block {}; - -typedef unsigned long dmaaddr_t; - -#define spin_lock_init(lock) do {} while (0) -#define spin_lock(lock) do {} while (0) -#define spin_unlock(lock) do {} while (0) -#define spin_lock_irqsave(lock, flags) do {} while (0) -#define spin_unlock_irqrestore(lock, flags) do {} while (0) - -#define setup_timer(timer, func, data) do {} while (0) -#define del_timer_sync(timer) do {} while (0) -#define schedule_work(work) do {} while (0) -#define INIT_WORK(work, fun) do {} while (0) - -#define cpu_relax() do {} while (0) - #define pr_debug(fmt, args...) debug(fmt, ##args)
#define WARN(condition, fmt, args...) ({ \ @@ -46,21 +13,6 @@ typedef unsigned long dmaaddr_t; printf(fmt, ##args); \ ret_warn; })
-#define pm_runtime_get_sync(dev) do {} while (0) -#define pm_runtime_put(dev) do {} while (0) -#define pm_runtime_put_sync(dev) do {} while (0) -#define pm_runtime_use_autosuspend(dev) do {} while (0) -#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) -#define pm_runtime_enable(dev) do {} while (0) - -#define MODULE_DESCRIPTION(desc) -#define MODULE_AUTHOR(author) -#define MODULE_LICENSE(license) -#define MODULE_ALIAS(alias) -#define module_param(name, type, perm) -#define MODULE_PARM_DESC(name, desc) -#define EXPORT_SYMBOL_GPL(name) - #define writesl(a, d, s) __raw_writesl((unsigned long)a, d, s) #define readsl(a, d, s) __raw_readsl((unsigned long)a, d, s) #define writesw(a, d, s) __raw_writesw((unsigned long)a, d, s) @@ -68,16 +20,6 @@ typedef unsigned long dmaaddr_t; #define writesb(a, d, s) __raw_writesb((unsigned long)a, d, s) #define readsb(a, d, s) __raw_readsb((unsigned long)a, d, s)
-#define IRQ_NONE 0 -#define IRQ_HANDLED 0 - -#define dev_set_drvdata(dev, data) do {} while (0) - -#define disable_irq_wake(irq) do {} while (0) -#define enable_irq_wake(irq) -EINVAL -#define free_irq(irq, data) do {} while (0) -#define request_irq(nr, f, flags, nm, data) 0 - #define device_init_wakeup(dev, a) do {} while (0)
#define platform_data device_data diff --git a/drivers/video/exynos_dp.c b/drivers/video/exynos_dp.c index 682483f..f60b060 100644 --- a/drivers/video/exynos_dp.c +++ b/drivers/video/exynos_dp.c @@ -9,6 +9,7 @@ #include <config.h> #include <common.h> #include <malloc.h> +#include <linux/compat.h> #include <linux/err.h> #include <asm/arch/clk.h> #include <asm/arch/cpu.h> diff --git a/drivers/video/exynos_mipi_dsi.c b/drivers/video/exynos_mipi_dsi.c index 7dd4652..c68ebd6 100644 --- a/drivers/video/exynos_mipi_dsi.c +++ b/drivers/video/exynos_mipi_dsi.c @@ -11,6 +11,7 @@ #include <malloc.h> #include <fdtdec.h> #include <libfdt.h> +#include <linux/compat.h> #include <linux/err.h> #include <asm/arch/dsim.h> #include <asm/arch/mipi_dsim.h> diff --git a/fs/yaffs2/ydirectenv.h b/fs/yaffs2/ydirectenv.h index c6614f1..2b3e84f 100644 --- a/fs/yaffs2/ydirectenv.h +++ b/fs/yaffs2/ydirectenv.h @@ -58,8 +58,6 @@ void yaffs_qsort(void *aa, size_t n, size_t es, #define inline #endif
-#define cond_resched() do {} while (0) - #define yaffs_trace(msk, fmt, ...) do { \ if (yaffs_trace_mask & (msk)) \ printf("yaffs: " fmt "\n", ##__VA_ARGS__); \ diff --git a/include/linux/compat.h b/include/linux/compat.h index 3fdfb39..5fa895a 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -1,6 +1,19 @@ #ifndef _LINUX_COMPAT_H_ #define _LINUX_COMPAT_H_
+#include <malloc.h> +#include <linux/types.h> +#include <linux/err.h> + +struct unused {}; +typedef struct unused unused_t; + +struct p_current{ + int pid; +}; + +extern struct p_current *current; + #define ndelay(x) udelay(1)
#define dev_dbg(dev, fmt, args...) \ @@ -12,6 +25,7 @@ #define dev_err(dev, fmt, args...) \ printf(fmt, ##args) #define printk printf +#define printk_once printf
#define KERN_EMERG #define KERN_ALERT @@ -22,11 +36,20 @@ #define KERN_INFO #define KERN_DEBUG
-#define kmalloc(size, flags) malloc(size) -#define kzalloc(size, flags) calloc(size, 1) -#define vmalloc(size) malloc(size) -#define kfree(ptr) free(ptr) -#define vfree(ptr) free(ptr) +void *kmalloc(size_t size, int flags); +void *kzalloc(size_t size, int flags); +#define vmalloc(size) kmalloc(size, 0) +#define __vmalloc(size, flags, pgsz) kmalloc(size, flags) +#define kfree(ptr) free(ptr) +#define vfree(ptr) free(ptr) + +struct kmem_cache { int sz; }; + +struct kmem_cache *get_mem(int element_sz); +#define kmem_cache_create(a, sz, c, d, e) get_mem(sz) +void *kmem_cache_alloc(struct kmem_cache *obj, int flag); +#define kmem_cache_free(obj, size) free(size) +#define kmem_cache_destroy(obj) free(obj)
#define DECLARE_WAITQUEUE(...) do { } while (0) #define add_wait_queue(...) do { } while (0) @@ -57,4 +80,301 @@ , __FILE__, __LINE__); }
#define PAGE_SIZE 4096 + +/* drivers/char/random.c */ +#define get_random_bytes(...) + +/* idr.c */ +#define GFP_ATOMIC ((gfp_t) 0) +#define GFP_KERNEL ((gfp_t) 0) +#define GFP_NOFS ((gfp_t) 0) +#define GFP_USER ((gfp_t) 0) +#define __GFP_NOWARN ((gfp_t) 0) + +/* include/linux/leds.h */ +struct led_trigger {}; + +#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; +enum led_brightness { + LED_OFF = 0, + LED_HALF = 127, + LED_FULL = 255, +}; + +static inline void led_trigger_register_simple(const char *name, + struct led_trigger **trigger) {} +static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} +static inline void led_trigger_event(struct led_trigger *trigger, + enum led_brightness event) {} + +/* include/linux/log2.h */ +static inline int is_power_of_2(unsigned long n) +{ + return (n != 0 && ((n & (n - 1)) == 0)); +} + +/* uapi/linux/limits.h */ +#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ + +/** + * The type used for indexing onto a disc or disc partition. + * + * Linux always considers sectors to be 512 bytes long independently + * of the devices real block size. + * + * blkcnt_t is the type of the inode's block count. + */ +#ifdef CONFIG_LBDAF +typedef u64 sector_t; +typedef u64 blkcnt_t; +#else +typedef unsigned long sector_t; +typedef unsigned long blkcnt_t; +#endif + +#define ENOTSUPP 524 /* Operation is not supported */ + +/* from include/linux/kernel.h */ +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + +/* module */ +#define THIS_MODULE 0 +#define try_module_get(...) 1 +#define module_put(...) do { } while (0) +#define module_init(...) +#define module_exit(...) +#define EXPORT_SYMBOL(...) +#define EXPORT_SYMBOL_GPL(...) +#define module_param(...) +#define module_param_call(...) +#define MODULE_PARM_DESC(...) +#define MODULE_VERSION(...) +#define MODULE_DESCRIPTION(...) +#define MODULE_AUTHOR(...) +#define MODULE_LICENSE(...) +#define MODULE_ALIAS(...) +#define __module_get(...) + +/* character device */ +#define MKDEV(...) 0 +#define MAJOR(dev) 0 +#define MINOR(dev) 0 + +#define alloc_chrdev_region(...) 0 +#define unregister_chrdev_region(...) + +#define class_create(...) __builtin_return_address(0) +#define class_create_file(...) 0 +#define class_remove_file(...) +#define class_destroy(...) +#define misc_register(...) 0 +#define misc_deregister(...) + +#define blocking_notifier_call_chain(...) 0 + +/* + * Multiplies an integer by a fraction, while avoiding unnecessary + * overflow or loss of precision. + */ +#define mult_frac(x, numer, denom)( \ +{ \ + typeof(x) quot = (x) / (denom); \ + typeof(x) rem = (x) % (denom); \ + (quot * (numer)) + ((rem * (numer)) / (denom)); \ +} \ +) + +#define __initdata +#define late_initcall(...) + +#define dev_set_name(...) do { } while (0) +#define device_register(...) 0 +#define volume_sysfs_init(...) 0 +#define volume_sysfs_close(...) do { } while (0) + +#define init_waitqueue_head(...) do { } while (0) +#define wait_event_interruptible(...) 0 +#define wake_up_interruptible(...) do { } while (0) +#define print_hex_dump(...) do { } while (0) +#define dump_stack(...) do { } while (0) + +#define task_pid_nr(x) 0 +#define set_freezable(...) do { } while (0) +#define try_to_freeze(...) 0 +#define set_current_state(...) do { } while (0) +#define kthread_should_stop(...) 0 +#define schedule() do { } while (0) + +#define setup_timer(timer, func, data) do {} while (0) +#define del_timer_sync(timer) do {} while (0) +#define schedule_work(work) do {} while (0) +#define INIT_WORK(work, fun) do {} while (0) + +struct work_struct {}; + +unsigned long copy_from_user(void *dest, const void *src, + unsigned long count); + +void *vzalloc(unsigned long size); + +typedef unused_t spinlock_t; +typedef int wait_queue_head_t; + +#define spin_lock_init(lock) do {} while (0) +#define spin_lock(lock) do {} while (0) +#define spin_unlock(lock) do {} while (0) +#define spin_lock_irqsave(lock, flags) do {} while (0) +#define spin_unlock_irqrestore(lock, flags) do {} while (0) + +#define DEFINE_MUTEX(...) +#define mutex_init(...) +#define mutex_lock(...) +#define mutex_unlock(...) + +#define init_rwsem(...) do { } while (0) +#define down_read(...) do { } while (0) +#define down_write(...) do { } while (0) +#define down_write_trylock(...) 1 +#define up_read(...) do { } while (0) +#define up_write(...) do { } while (0) + +#define cond_resched() do { } while (0) +#define yield() do { } while (0) + +#define INT_MAX ((int)(~0U>>1)) + +#define __user +#define __init +#define __exit +#define __devinit +#define __devinitdata +#define __devinitconst +#define __iomem + +#define kthread_create(...) __builtin_return_address(0) +#define kthread_stop(...) do { } while (0) +#define wake_up_process(...) do { } while (0) + +struct rw_semaphore { int i; }; +#define down_write(...) do { } while (0) +#define up_write(...) do { } while (0) +#define down_read(...) do { } while (0) +#define up_read(...) do { } while (0) +struct device { + struct device *parent; + struct class *class; + dev_t devt; /* dev_t, creates the sysfs "dev" */ + void (*release)(struct device *dev); + /* This is used from drivers/usb/musb-new subsystem only */ + void *driver_data; /* data private to the driver */ + void *device_data; /* data private to the device */ +}; +struct mutex { int i; }; +struct kernel_param { int i; }; + +struct cdev { + int owner; + dev_t dev; +}; +#define cdev_init(...) do { } while (0) +#define cdev_add(...) 0 +#define cdev_del(...) do { } while (0) + +#define MAX_ERRNO 4095 + +#define prandom_u32(...) 0 + +typedef struct { + uid_t val; +} kuid_t; + +typedef struct { + gid_t val; +} kgid_t; + +/* from include/linux/types.h */ + +typedef int atomic_t; +/** + * struct callback_head - callback structure for use with RCU and task_work + * @next: next update requests in a list + * @func: actual update function to call after the grace period. + */ +struct callback_head { + struct callback_head *next; + void (*func)(struct callback_head *head); +}; +#define rcu_head callback_head +enum writeback_sync_modes { + WB_SYNC_NONE, /* Don't wait on anything */ + WB_SYNC_ALL, /* Wait on every mapping */ +}; + +/* from include/linux/writeback.h */ +/* + * A control structure which tells the writeback code what to do. These are + * always on the stack, and hence need no locking. They are always initialised + * in a manner such that unspecified fields are set to zero. + */ +struct writeback_control { + long nr_to_write; /* Write this many pages, and decrement + this for each page written */ + long pages_skipped; /* Pages which were not written */ + + /* + * For a_ops->writepages(): if start or end are non-zero then this is + * a hint that the filesystem need only write out the pages inside that + * byterange. The byte at `end' is included in the writeout request. + */ + loff_t range_start; + loff_t range_end; + + enum writeback_sync_modes sync_mode; + + unsigned for_kupdate:1; /* A kupdate writeback */ + unsigned for_background:1; /* A background writeback */ + unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ + unsigned for_reclaim:1; /* Invoked from the page allocator */ + unsigned range_cyclic:1; /* range_start is cyclic */ + unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ +}; + +void *kmemdup(const void *src, size_t len, gfp_t gfp); + +typedef int irqreturn_t; + +struct timer_list {}; +struct notifier_block {}; + +typedef unsigned long dmaaddr_t; + +#define cpu_relax() do {} while (0) + +#define pm_runtime_get_sync(dev) do {} while (0) +#define pm_runtime_put(dev) do {} while (0) +#define pm_runtime_put_sync(dev) do {} while (0) +#define pm_runtime_use_autosuspend(dev) do {} while (0) +#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) +#define pm_runtime_enable(dev) do {} while (0) + +#define IRQ_NONE 0 +#define IRQ_HANDLED 1 + +#define dev_set_drvdata(dev, data) do {} while (0) + +#define enable_irq(...) +#define disable_irq(...) +#define disable_irq_wake(irq) do {} while (0) +#define enable_irq_wake(irq) -EINVAL +#define free_irq(irq, data) do {} while (0) +#define request_irq(nr, f, flags, nm, data) 0 + #endif diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index a8a5763..9bccd45 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -19,6 +19,7 @@ #define __LINUX_USB_GADGET_H
#include <errno.h> +#include <linux/compat.h> #include <linux/list.h>
struct usb_ep; @@ -410,11 +411,6 @@ struct usb_gadget_ops { unsigned code, unsigned long param); };
-struct device { - void *driver_data; /* data private to the driver */ - void *device_data; /* data private to the device */ -}; - /** * struct usb_gadget - represents a usb slave device * @ops: Function pointers used to access hardware-specific operations. diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h index 7f72022..1fd15f4 100644 --- a/include/ubi_uboot.h +++ b/include/ubi_uboot.h @@ -16,8 +16,10 @@
#include <common.h> #include <compiler.h> +#include <linux/compat.h> #include <malloc.h> #include <div64.h> +#include <linux/math64.h> #include <linux/crc32.h> #include <linux/types.h> #include <linux/list.h> @@ -32,15 +34,11 @@
#include <asm/errno.h>
-#define DPRINTK(format, args...) \ -do { \ - printf("%s[%d]: " format "\n", __func__, __LINE__, ##args); \ -} while (0) - /* configurable */ +#if !defined(CONFIG_MTD_UBI_WL_THRESHOLD) #define CONFIG_MTD_UBI_WL_THRESHOLD 4096 +#endif #define CONFIG_MTD_UBI_BEB_RESERVE 1 -#define UBI_IO_DEBUG 0
/* debug options (Linux: drivers/mtd/ubi/Kconfig.debug) */ #undef CONFIG_MTD_UBI_DEBUG @@ -50,161 +48,18 @@ do { \ #undef CONFIG_MTD_UBI_DEBUG_MSG_WL #undef CONFIG_MTD_UBI_DEBUG_MSG_IO #undef CONFIG_MTD_UBI_DEBUG_MSG_BLD -#define CONFIG_MTD_UBI_DEBUG_DISABLE_BGT + +#undef CONFIG_MTD_UBI_BLOCK + +#if !defined(CONFIG_MTD_UBI_BEB_LIMIT) +#define CONFIG_MTD_UBI_BEB_LIMIT 20 +#endif
/* build.c */ #define get_device(...) #define put_device(...) #define ubi_sysfs_init(...) 0 #define ubi_sysfs_close(...) do { } while (0) -static inline int is_power_of_2(unsigned long n) -{ - return (n != 0 && ((n & (n - 1)) == 0)); -} - -/* FIXME */ -#define MKDEV(...) 0 -#define MAJOR(dev) 0 -#define MINOR(dev) 0 - -#define alloc_chrdev_region(...) 0 -#define unregister_chrdev_region(...) - -#define class_create(...) __builtin_return_address(0) -#define class_create_file(...) 0 -#define class_remove_file(...) -#define class_destroy(...) -#define misc_register(...) 0 -#define misc_deregister(...) - -/* vmt.c */ -#define device_register(...) 0 -#define volume_sysfs_init(...) 0 -#define volume_sysfs_close(...) do { } while (0) - -/* kapi.c */ - -/* eba.c */ - -/* io.c */ -#define init_waitqueue_head(...) do { } while (0) -#define wait_event_interruptible(...) 0 -#define wake_up_interruptible(...) do { } while (0) -#define print_hex_dump(...) do { } while (0) -#define dump_stack(...) do { } while (0) - -/* wl.c */ -#define task_pid_nr(x) 0 -#define set_freezable(...) do { } while (0) -#define try_to_freeze(...) 0 -#define set_current_state(...) do { } while (0) -#define kthread_should_stop(...) 0 -#define schedule() do { } while (0) - -/* upd.c */ -static inline unsigned long copy_from_user(void *dest, const void *src, - unsigned long count) -{ - memcpy((void *)dest, (void *)src, count); - return 0; -} - -/* common */ -typedef int spinlock_t; -typedef int wait_queue_head_t; -#define spin_lock_init(...) -#define spin_lock(...) -#define spin_unlock(...) - -#define mutex_init(...) -#define mutex_lock(...) -#define mutex_unlock(...) - -#define init_rwsem(...) do { } while (0) -#define down_read(...) do { } while (0) -#define down_write(...) do { } while (0) -#define down_write_trylock(...) 1 -#define up_read(...) do { } while (0) -#define up_write(...) do { } while (0) - -struct kmem_cache { int i; }; -#define kmem_cache_create(...) 1 -#define kmem_cache_alloc(obj, gfp) malloc(sizeof(struct ubi_wl_entry)) -#define kmem_cache_free(obj, size) free(size) -#define kmem_cache_destroy(...) - -#define cond_resched() do { } while (0) -#define yield() do { } while (0) - -#define KERN_WARNING -#define KERN_ERR -#define KERN_NOTICE -#define KERN_DEBUG - -#define GFP_KERNEL 0 -#define GFP_NOFS 1 - -#define __user -#define __init -#define __exit - -#define kthread_create(...) __builtin_return_address(0) -#define kthread_stop(...) do { } while (0) -#define wake_up_process(...) do { } while (0) - -#define BUS_ID_SIZE 20 - -struct rw_semaphore { int i; }; -struct device { - struct device *parent; - struct class *class; - char bus_id[BUS_ID_SIZE]; /* position on parent bus */ - dev_t devt; /* dev_t, creates the sysfs "dev" */ - void (*release)(struct device *dev); -}; -struct mutex { int i; }; -struct kernel_param { int i; }; - -struct cdev { - int owner; - dev_t dev; -}; -#define cdev_init(...) do { } while (0) -#define cdev_add(...) 0 -#define cdev_del(...) do { } while (0) - -#define MAX_ERRNO 4095 -#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO) - -static inline void *ERR_PTR(long error) -{ - return (void *) error; -} - -static inline long PTR_ERR(const void *ptr) -{ - return (long) ptr; -} - -static inline long IS_ERR(const void *ptr) -{ - return IS_ERR_VALUE((unsigned long)ptr); -} - -/* module */ -#define THIS_MODULE 0 -#define try_module_get(...) 1 -#define module_put(...) do { } while (0) -#define module_init(...) -#define module_exit(...) -#define EXPORT_SYMBOL(...) -#define EXPORT_SYMBOL_GPL(...) -#define module_param_call(...) -#define MODULE_PARM_DESC(...) -#define MODULE_VERSION(...) -#define MODULE_DESCRIPTION(...) -#define MODULE_AUTHOR(...) -#define MODULE_LICENSE(...)
#ifndef __UBIFS_H__ #include "../drivers/mtd/ubi/ubi.h" diff --git a/lib/Makefile b/lib/Makefile index 9b1c2374..320197a 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -59,6 +59,7 @@ obj-y += crc32.o obj-y += ctype.o obj-y += div64.o obj-y += hang.o +obj-y += linux_compat.o obj-y += linux_string.o obj-$(CONFIG_REGEX) += slre.o obj-y += string.o diff --git a/lib/linux_compat.c b/lib/linux_compat.c new file mode 100644 index 0000000..a3d4675 --- /dev/null +++ b/lib/linux_compat.c @@ -0,0 +1,47 @@ + +#include <common.h> +#include <linux/compat.h> + +struct p_current cur = { + .pid = 1, +}; +__maybe_unused struct p_current *current = &cur; + +unsigned long copy_from_user(void *dest, const void *src, + unsigned long count) +{ + memcpy((void *)dest, (void *)src, count); + return 0; +} + +void *kmalloc(size_t size, int flags) +{ + return memalign(ARCH_DMA_MINALIGN, size); +} + +void *kzalloc(size_t size, int flags) +{ + void *ptr = kmalloc(size, flags); + memset(ptr, 0, size); + return ptr; +} + +void *vzalloc(unsigned long size) +{ + return kzalloc(size, 0); +} + +struct kmem_cache *get_mem(int element_sz) +{ + struct kmem_cache *ret; + + ret = memalign(ARCH_DMA_MINALIGN, sizeof(struct kmem_cache)); + ret->sz = element_sz; + + return ret; +} + +void *kmem_cache_alloc(struct kmem_cache *obj, int flag) +{ + return memalign(ARCH_DMA_MINALIGN, obj->sz); +}