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IPL: Remove remains of OneNAND IPL 

After removing the Apollon board, remove the OneNAND IPL too.
There are no users for it any more.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Minkyu Kang <promsoft@gmail.com>
Cc: Tom Rini <trini@ti.com>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Marek Vasut 2012-09-05 17:09:08 +00:00 committed by Tom Rini
parent be7e41efda
commit e4a189acfe
7 changed files with 0 additions and 419 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
.gitignore vendored
View File

@ -75,10 +75,5 @@ cscope.*
/ctags /ctags
/etags /etags
# OneNAND IPL files
/onenand_ipl/onenand-ipl*
/onenand_ipl/board/*/onenand*
/onenand_ipl/board/*/*.S
# spl ais files # spl ais files
/spl/*.ais /spl/*.ais

10
Makefile
View File

@ -378,7 +378,6 @@ ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
@ -550,12 +549,6 @@ nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
onenand_ipl: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
$(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
$(obj)u-boot-onenand.bin: onenand_ipl $(obj)u-boot.bin
cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
$(MAKE) -C spl all $(MAKE) -C spl all
@ -790,9 +783,7 @@ clean:
@rm -f $(obj)include/generated/asm-offsets.h @rm -f $(obj)include/generated/asm-offsets.h
@rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map} @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
@rm -f $(ONENAND_BIN) @rm -f $(ONENAND_BIN)
@rm -f $(obj)onenand_ipl/u-boot.lds
@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map} @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
@rm -f $(obj)MLO @rm -f $(obj)MLO
@rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
@ -825,7 +816,6 @@ clobber: tidy
@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
@rm -fr $(obj)include/generated @rm -fr $(obj)include/generated
@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
@[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
@rm -f $(obj)dts/*.tmp @rm -f $(obj)dts/*.tmp
@rm -f $(obj)spl/u-boot-spl{,-pad}.ais @rm -f $(obj)spl/u-boot-spl{,-pad}.ais

120
board/samsung/goni/lowlevel_init.S
View File

@ -79,11 +79,7 @@ skip_check_didle:
str r1, [r0, #0x0] @ GPIO_CON_OFFSET str r1, [r0, #0x0] @ GPIO_CON_OFFSET
ldr r1, [r0, #0x4] @ GPIO_DAT_OFFSET ldr r1, [r0, #0x4] @ GPIO_DAT_OFFSET
#ifdef CONFIG_ONENAND_IPL
orr r1, r1, #(1 << 1) @ 1 * 1-bit
#else
bic r1, r1, #(1 << 1) bic r1, r1, #(1 << 1)
#endif
str r1, [r0, #0x4] @ GPIO_DAT_OFFSET str r1, [r0, #0x4] @ GPIO_DAT_OFFSET
/* Don't setup at s5pc100 */ /* Don't setup at s5pc100 */
@ -182,7 +178,6 @@ skip_check_didle:
/* Do not release retention here for S5PC110 */ /* Do not release retention here for S5PC110 */
streq r1, [r0] streq r1, [r0]
#ifndef CONFIG_ONENAND_IPL
/* Disable Watchdog */ /* Disable Watchdog */
ldreq r0, =S5PC100_WATCHDOG_BASE @ 0xEA200000 ldreq r0, =S5PC100_WATCHDOG_BASE @ 0xEA200000
ldrne r0, =S5PC110_WATCHDOG_BASE @ 0xE2700000 ldrne r0, =S5PC110_WATCHDOG_BASE @ 0xE2700000
@ -193,7 +188,6 @@ skip_check_didle:
ldrne r0, =S5PC110_SROMC_BASE ldrne r0, =S5PC110_SROMC_BASE
ldr r1, =0x9 ldr r1, =0x9
str r1, [r0] str r1, [r0]
#endif
/* S5PC100 has 3 groups of interrupt sources */ /* S5PC100 has 3 groups of interrupt sources */
ldreq r0, =S5PC100_VIC0_BASE @ 0xE4000000 ldreq r0, =S5PC100_VIC0_BASE @ 0xE4000000
@ -207,7 +201,6 @@ skip_check_didle:
str r3, [r1, #0x14] @ INTENCLEAR str r3, [r1, #0x14] @ INTENCLEAR
str r3, [r2, #0x14] @ INTENCLEAR str r3, [r2, #0x14] @ INTENCLEAR
#ifndef CONFIG_ONENAND_IPL
/* Set all interrupts as IRQ */ /* Set all interrupts as IRQ */
str r5, [r0, #0xc] @ INTSELECT str r5, [r0, #0xc] @ INTSELECT
str r5, [r1, #0xc] @ INTSELECT str r5, [r1, #0xc] @ INTSELECT
@ -217,120 +210,12 @@ skip_check_didle:
str r5, [r0, #0xf00] @ INTADDRESS str r5, [r0, #0xf00] @ INTADDRESS
str r5, [r1, #0xf00] @ INTADDRESS str r5, [r1, #0xf00] @ INTADDRESS
str r5, [r2, #0xf00] @ INTADDRESS str r5, [r2, #0xf00] @ INTADDRESS
#endif
#ifndef CONFIG_ONENAND_IPL
/* for UART */ /* for UART */
bl uart_asm_init bl uart_asm_init
bl internal_ram_init bl internal_ram_init
#endif
#ifdef CONFIG_ONENAND_IPL
/* init system clock */
bl system_clock_init
/* OneNAND Sync Read Support at S5PC110 only
* RM[15] : Sync Read
* BRWL[14:12] : 7 CLK
* BL[11:9] : Continuous
* VHF[3] : Very High Frequency Enable (Over 83MHz)
* HF[2] : High Frequency Enable (Over 66MHz)
* WM[1] : Sync Write
*/
cmp r7, r8
ldrne r1, =0xE006
ldrne r0, =0xB001E442
strneh r1, [r0]
/*
* GCE[26] : Gated Clock Enable
* RPE[17] : Enables Read Prefetch
*/
ldrne r1, =((1 << 26) | (1 << 17) | 0xE006)
ldrne r0, =0xB0600000
strne r1, [r0, #0x100] @ ONENAND_IF_CTRL
ldrne r1, =0x1212
strne r1, [r0, #0x108]
/* Board detection to set proper memory configuration */
cmp r7, r8
moveq r9, #1 /* r9 has 1Gib default at s5pc100 */
movne r9, #2 /* r9 has 2Gib default at s5pc110 */
ldr r2, =0xE0200200
ldr r4, [r2, #0x48]
bic r1, r4, #(0x3F << 4) /* PULLUP_DISABLE: 3 * 2-bit */
bic r1, r1, #(0x3 << 2) /* PULLUP_DISABLE: 2 * 2-bit */
bic r1, r1, #(0x3 << 14) /* PULLUP_DISABLE: 2 * 2-bit */
str r1, [r2, #0x48]
/* For write completion */
nop
nop
ldr r3, [r2, #0x44]
and r1, r3, #(0x7 << 2)
mov r1, r1, lsr #2
cmp r1, #0x5
moveq r9, #3
cmp r1, #0x6
moveq r9, #1
cmp r1, #0x7
moveq r9, #2
and r0, r3, #(0x1 << 1)
mov r0, r0, lsr #1
orr r1, r1, r0, lsl #3
cmp r1, #0x8
moveq r9, #3
and r1, r3, #(0x7 << 2)
mov r1, r1, lsr #2
and r0, r3, #(0x1 << 7)
mov r0, r0, lsr #7
orr r1, r1, r0, lsl #3
cmp r1, #0x9
moveq r9, #3
str r4, [r2, #0x48] /* Restore PULLUP configuration */
bl mem_ctrl_asm_init
/* Wakeup support. Don't know if it's going to be used, untested. */
ldreq r0, =S5PC100_RST_STAT
ldrne r0, =S5PC110_RST_STAT
ldr r1, [r0]
biceq r1, r1, #0xfffffff7
moveq r2, #(1 << 3)
bicne r1, r1, #0xfffeffff
movne r2, #(1 << 16)
cmp r1, r2
bne 1f
wakeup:
/* turn off L2 cache */
bl l2_cache_disable
cmp r7, r8
ldreq r0, =0xC100
ldrne r0, =0xC110
/* invalidate L2 cache also */
bl invalidate_dcache
/* turn on L2 cache */
bl l2_cache_enable
cmp r7, r8
/* Load return address and jump to kernel */
ldreq r0, =S5PC100_INFORM0
ldrne r0, =S5PC110_INFORM0
/* r1 = physical address of s5pc1xx_cpu_resume function */
ldr r1, [r0]
/* Jump to kernel (sleep-s5pc1xx.S) */
mov pc, r1
nop
nop
#else
cmp r7, r8 cmp r7, r8
/* Clear wakeup status register */ /* Clear wakeup status register */
ldreq r0, =S5PC100_WAKEUP_STAT ldreq r0, =S5PC100_WAKEUP_STAT
@ -347,7 +232,6 @@ wakeup:
orr r1, r1, r2 orr r1, r1, r2
str r1, [r0] str r1, [r0]
#endif
b 1f b 1f
didle_wakeup: didle_wakeup:
@ -517,7 +401,6 @@ system_clock_init:
mov pc, lr mov pc, lr
#ifndef CONFIG_ONENAND_IPL
internal_ram_init: internal_ram_init:
ldreq r0, =0xE3800000 ldreq r0, =0xE3800000
ldrne r0, =0xF1500000 ldrne r0, =0xF1500000
@ -525,9 +408,7 @@ internal_ram_init:
str r1, [r0] str r1, [r0]
mov pc, lr mov pc, lr
#endif
#ifndef CONFIG_ONENAND_IPL
/* /*
* uart_asm_init: Initialize UART's pins * uart_asm_init: Initialize UART's pins
*/ */
@ -582,4 +463,3 @@ uart_asm_init:
str r1, [r0, #0x4] @ S5PC1XX_GPIO_DAT_OFFSET str r1, [r0, #0x4] @ S5PC1XX_GPIO_DAT_OFFSET
200: 200:
mov pc, lr mov pc, lr
#endif

42
board/samsung/smdkc100/lowlevel_init.S
View File

@ -50,12 +50,10 @@ lowlevel_init:
orr r0, r0, #0x0 orr r0, r0, #0x0
str r5, [r0] str r5, [r0]
#ifndef CONFIG_ONENAND_IPL
/* setting SRAM */ /* setting SRAM */
ldr r0, =S5PC100_SROMC_BASE ldr r0, =S5PC100_SROMC_BASE
ldr r1, =0x9 ldr r1, =0x9
str r1, [r0] str r1, [r0]
#endif
/* S5PC100 has 3 groups of interrupt sources */ /* S5PC100 has 3 groups of interrupt sources */
ldr r0, =S5PC100_VIC0_BASE @0xE4000000 ldr r0, =S5PC100_VIC0_BASE @0xE4000000
@ -68,7 +66,6 @@ lowlevel_init:
str r3, [r1, #0x14] @INTENCLEAR str r3, [r1, #0x14] @INTENCLEAR
str r3, [r2, #0x14] @INTENCLEAR str r3, [r2, #0x14] @INTENCLEAR
#ifndef CONFIG_ONENAND_IPL
/* Set all interrupts as IRQ */ /* Set all interrupts as IRQ */
str r5, [r0, #0xc] @INTSELECT str r5, [r0, #0xc] @INTSELECT
str r5, [r1, #0xc] @INTSELECT str r5, [r1, #0xc] @INTSELECT
@ -78,54 +75,17 @@ lowlevel_init:
str r5, [r0, #0xf00] @INTADDRESS str r5, [r0, #0xf00] @INTADDRESS
str r5, [r1, #0xf00] @INTADDRESS str r5, [r1, #0xf00] @INTADDRESS
str r5, [r2, #0xf00] @INTADDRESS str r5, [r2, #0xf00] @INTADDRESS
#endif
#ifndef CONFIG_ONENAND_IPL
/* for UART */ /* for UART */
bl uart_asm_init bl uart_asm_init
/* for TZPC */ /* for TZPC */
bl tzpc_asm_init bl tzpc_asm_init
#endif
#ifdef CONFIG_ONENAND_IPL
/* init system clock */
bl system_clock_init
bl mem_ctrl_asm_init
/* Wakeup support. Don't know if it's going to be used, untested. */
ldr r0, =S5PC100_RST_STAT
ldr r1, [r0]
bic r1, r1, #0xfffffff7
cmp r1, #0x8
beq wakeup_reset
#endif
1: 1:
mov lr, r9 mov lr, r9
mov pc, lr mov pc, lr
#ifdef CONFIG_ONENAND_IPL
wakeup_reset:
/* Clear wakeup status register */
ldr r0, =S5PC100_WAKEUP_STAT
ldr r1, [r0]
str r1, [r0]
/* Load return address and jump to kernel */
ldr r0, =S5PC100_INFORM0
/* r1 = physical address of s5pc100_cpu_resume function */
ldr r1, [r0]
/* Jump to kernel (sleep.S) */
mov pc, r1
nop
nop
#endif
/* /*
* system_clock_init: Initialize core clock and bus clock. * system_clock_init: Initialize core clock and bus clock.
* void system_clock_init(void) * void system_clock_init(void)
@ -178,7 +138,6 @@ system_clock_init:
mov pc, lr mov pc, lr
#ifndef CONFIG_ONENAND_IPL
/* /*
* uart_asm_init: Initialize UART's pins * uart_asm_init: Initialize UART's pins
*/ */
@ -212,4 +171,3 @@ tzpc_asm_init:
str r1, [r0, #0x810] str r1, [r0, #0x810]
mov pc, lr mov pc, lr
#endif

48
onenand_ipl/onenand_boot.c
View File

@ -1,48 +0,0 @@
/*
* (C) Copyright 2005-2008 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* Derived from x-loader
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include "onenand_ipl.h"
typedef int (init_fnc_t)(void);
void start_oneboot(void)
{
uchar *buf;
buf = (uchar *) CONFIG_SYS_LOAD_ADDR;
onenand_read_block(buf);
((init_fnc_t *)CONFIG_SYS_LOAD_ADDR)();
/* should never come here */
}
void hang(void)
{
for (;;);
}

36
onenand_ipl/onenand_ipl.h
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@ -1,36 +0,0 @@
/*
* (C) Copyright 2005-2008 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _ONENAND_IPL_H
#define _ONENAND_IPL_H
#include <linux/mtd/onenand_regs.h>
#define onenand_readw(a) readw(THIS_ONENAND(a))
#define onenand_writew(v, a) writew(v, THIS_ONENAND(a))
#define THIS_ONENAND(a) (CONFIG_SYS_ONENAND_BASE + (a))
#define READ_INTERRUPT() onenand_readw(ONENAND_REG_INTERRUPT)
extern int (*onenand_read_page)(ulong block, ulong page,
u_char *buf, int pagesize);
extern int onenand_read_block(unsigned char *buf);
#endif

158
onenand_ipl/onenand_read.c
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@ -1,158 +0,0 @@
/*
* (C) Copyright 2005-2009 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/string.h>
#include "onenand_ipl.h"
#define onenand_block_address(block) (block)
#define onenand_sector_address(page) (page << 2)
#define onenand_buffer_address() ((1 << 3) << 8)
#define onenand_bufferram_address(block) (0)
#ifdef __HAVE_ARCH_MEMCPY32
extern void *memcpy32(void *dest, void *src, int size);
#endif
int (*onenand_read_page)(ulong block, ulong page, u_char *buf, int pagesize);
/* read a page with ECC */
static int generic_onenand_read_page(ulong block, ulong page,
u_char * buf, int pagesize)
{
unsigned long *base;
#ifndef __HAVE_ARCH_MEMCPY32
unsigned int offset, value;
unsigned long *p;
#endif
onenand_writew(onenand_block_address(block),
ONENAND_REG_START_ADDRESS1);
onenand_writew(onenand_bufferram_address(block),
ONENAND_REG_START_ADDRESS2);
onenand_writew(onenand_sector_address(page),
ONENAND_REG_START_ADDRESS8);
onenand_writew(onenand_buffer_address(),
ONENAND_REG_START_BUFFER);
onenand_writew(ONENAND_INT_CLEAR, ONENAND_REG_INTERRUPT);
onenand_writew(ONENAND_CMD_READ, ONENAND_REG_COMMAND);
#ifndef __HAVE_ARCH_MEMCPY32
p = (unsigned long *) buf;
#endif
base = (unsigned long *) (CONFIG_SYS_ONENAND_BASE + ONENAND_DATARAM);
while (!(READ_INTERRUPT() & ONENAND_INT_READ))
continue;
/* Check for invalid block mark */
if (page < 2 && (onenand_readw(ONENAND_SPARERAM) != 0xffff))
return 1;
#ifdef __HAVE_ARCH_MEMCPY32
/* 32 bytes boundary memory copy */
memcpy32(buf, base, pagesize);
#else
for (offset = 0; offset < (pagesize >> 2); offset++) {
value = *(base + offset);
*p++ = value;
}
#endif
return 0;
}
#ifndef CONFIG_ONENAND_START_PAGE
#define CONFIG_ONENAND_START_PAGE 1
#endif
#define ONENAND_PAGES_PER_BLOCK 64
static void onenand_generic_init(int *page_is_4KiB, int *page)
{
int dev_id, density;
if (onenand_readw(ONENAND_REG_TECHNOLOGY))
*page_is_4KiB = 1;
dev_id = onenand_readw(ONENAND_REG_DEVICE_ID);
density = dev_id >> ONENAND_DEVICE_DENSITY_SHIFT;
density &= ONENAND_DEVICE_DENSITY_MASK;
if (density >= ONENAND_DEVICE_DENSITY_4Gb &&
!(dev_id & ONENAND_DEVICE_IS_DDP))
*page_is_4KiB = 1;
}
/**
* onenand_read_block - Read CONFIG_SYS_MONITOR_LEN from begining
* of OneNAND, skipping bad blocks
* @return 0 on success
*/
int onenand_read_block(unsigned char *buf)
{
int block, nblocks;
int page = CONFIG_ONENAND_START_PAGE, offset = 0;
int pagesize, erasesize, erase_shift;
int page_is_4KiB = 0;
onenand_read_page = generic_onenand_read_page;
onenand_generic_init(&page_is_4KiB, &page);
if (page_is_4KiB) {
pagesize = 4096; /* OneNAND has 4KiB pagesize */
erase_shift = 18;
} else {
pagesize = 2048; /* OneNAND has 2KiB pagesize */
erase_shift = 17;
}
erasesize = (1 << erase_shift);
nblocks = (CONFIG_SYS_MONITOR_LEN + erasesize - 1) >> erase_shift;
/* NOTE: you must read page from page 1 of block 0 */
/* read the block page by page */
for (block = 0; block < nblocks; block++) {
for (; page < ONENAND_PAGES_PER_BLOCK; page++) {
if (onenand_read_page(block, page, buf + offset,
pagesize)) {
/* This block is bad. Skip it
* and read next block */
offset -= page * pagesize;
nblocks++;
break;
}
offset += pagesize;
}
page = 0;
}
return 0;
}