elinux.patch

eCos操作系统源码

+# CONFIG_I2C is not set
+
+#
+# Mice
+#
+# CONFIG_BUSMOUSE is not set
+CONFIG_MOUSE=m
+# CONFIG_PSMOUSE is not set
+# CONFIG_82C710_MOUSE is not set
+# CONFIG_PC110_PAD is not set
+
+#
+# Joysticks
+#
+
+#
+# Game port support
+#
+
+#
+# Gameport joysticks
+#
+
+#
+# Serial port support
+#
+
+#
+# Serial port joysticks
+#
+
+#
+# Parallel port joysticks
+#
+
+#
+#   Parport support is needed for parallel port joysticks
+#
+# CONFIG_QIC02_TAPE is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_NVRAM is not set
+# CONFIG_RTC is not set
+CONFIG_SA1100_RTC=m
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_FTAPE is not set
+# CONFIG_AGP is not set
+# CONFIG_DRM is not set
+CONFIG_PCMCIA_SERIAL=m
+
+#
+# PCMCIA character device support
+#
+CONFIG_PCMCIA_SERIAL_CS=m
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+
+#
+# File systems
+#
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_BFS_FS is not set
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=1
+CONFIG_CRAMFS=m
+CONFIG_RAMFS=m
+# CONFIG_ISO9660_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_NTFS_FS is not set
+# CONFIG_HPFS_FS is not set
+CONFIG_PROC_FS=y
+CONFIG_DEVFS_FS=y
+# CONFIG_DEVFS_MOUNT is not set
+# CONFIG_DEVFS_DEBUG is not set
+CONFIG_DEVPTS_FS=y
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_EXT2_FS=m
+# CONFIG_SYSV_FS is not set
+# CONFIG_UDF_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+# CONFIG_CODA_FS is not set
+CONFIG_NFS_FS=m
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFSD is not set
+CONFIG_SUNRPC=m
+CONFIG_LOCKD=m
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_NCP_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_SMB_NLS=y
+CONFIG_NLS=y
+
+#
+# Native Language Support
+#
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Console drivers
+#
+CONFIG_PC_KEYMAP=y
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_FB=y
+
+#
+# Frame-buffer support
+#
+CONFIG_FB=y
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FB_SA1100=y
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_FBCON_ADVANCED=y
+# CONFIG_FBCON_MFB is not set
+# CONFIG_FBCON_CFB2 is not set
+# CONFIG_FBCON_CFB4 is not set
+# CONFIG_FBCON_CFB8 is not set
+CONFIG_FBCON_CFB16=y
+# CONFIG_FBCON_CFB24 is not set
+# CONFIG_FBCON_CFB32 is not set
+# CONFIG_FBCON_AFB is not set
+# CONFIG_FBCON_ILBM is not set
+# CONFIG_FBCON_IPLAN2P2 is not set
+# CONFIG_FBCON_IPLAN2P4 is not set
+# CONFIG_FBCON_IPLAN2P8 is not set
+# CONFIG_FBCON_MAC is not set
+# CONFIG_FBCON_VGA_PLANES is not set
+# CONFIG_FBCON_VGA is not set
+# CONFIG_FBCON_HGA is not set
+CONFIG_FBCON_FONTWIDTH8_ONLY=y
+CONFIG_FBCON_FONTS=y
+CONFIG_FONT_8x8=y
+# CONFIG_FONT_8x16 is not set
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=m
+CONFIG_SOUND_UDA1341=m
+# CONFIG_SOUND_SA1100_SSP is not set
+# CONFIG_SOUND_CMPCI is not set
+# CONFIG_SOUND_EMU10K1 is not set
+# CONFIG_SOUND_FUSION is not set
+# CONFIG_SOUND_CS4281 is not set
+# CONFIG_SOUND_ES1370 is not set
+# CONFIG_SOUND_ES1371 is not set
+# CONFIG_SOUND_ESSSOLO1 is not set
+# CONFIG_SOUND_MAESTRO is not set
+# CONFIG_SOUND_SONICVIBES is not set
+# CONFIG_SOUND_TRIDENT is not set
+# CONFIG_SOUND_MSNDCLAS is not set
+# CONFIG_SOUND_MSNDPIN is not set
+# CONFIG_SOUND_OSS is not set
+
+#
+# USB support
+#
+# CONFIG_USB is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_NO_FRAME_POINTER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_DEBUG_LL is not set
diff -uNr --exclude=.*flags --exclude=*.[ao] --exclude=.*depend /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/Makefile ./drivers/mtd/Makefile
--- /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/Makefile	Thu Mar 22 20:04:59 2001
+++ ./drivers/mtd/Makefile	Fri Mar 23 05:26:31 2001
@@ -108,7 +108,7 @@
 obj-$(CONFIG_MTD_SC520CDP)	+= sc520cdp.o
 obj-$(CONFIG_MTD_SBC_MEDIAGX)   += sbc_mediagx.o mtdpart.o
 obj-$(CONFIG_MTD_ELAN_104NC)    += elan-104nc.o mtdpart.o
-obj-$(CONFIG_MTD_SA1100)        += sa1100-flash.o mtdpart.o
+obj-$(CONFIG_MTD_SA1100)        += sa1100-flash.o mtdpart.o redboot.o
 obj-$(CONFIG_MTD_DC21285)       += dc21285.o mtdpart.o
 obj-$(CONFIG_MTD_IQ80310)       += iq80310.o mtdpart.o
 
diff -uNr --exclude=.*flags --exclude=*.[ao] --exclude=.*depend /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/sa1100-flash.c ./drivers/mtd/sa1100-flash.c
--- /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/sa1100-flash.c	Thu Mar 22 20:05:13 2001
+++ ./drivers/mtd/sa1100-flash.c	Fri Mar 23 20:06:24 2001
@@ -387,6 +387,7 @@
 #define NB_OF(x)  (sizeof(x)/sizeof(x[0]))
 
 static struct mtd_info *mymtd;
+extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts);
 
 int __init sa1100_mtd_init(void)
 {
@@ -485,14 +486,36 @@
 		nb_parts, buswidth);
 
 	mymtd = do_cfi_probe(&sa1100_map);
-	if (mymtd) {
-		mymtd->module = THIS_MODULE;
-		add_mtd_partitions(mymtd, parts, nb_parts);
-		printk(KERN_NOTICE "SA1100 flash access initialized\n");
-		return 0;
+	if (!mymtd)
+		return -ENXIO;
+
+
+#define CONFIG_SA1100_REDBOOT_PARTITIONS
+#ifdef CONFIG_SA1100_REDBOOT_PARTITIONS
+	{
+		int redboot_nr_parts;
+		struct mtd_partitions *redboot_parts;
+
+		
+		redboot_nr_parts = parse_redboot_partitions(mymtd, &redboot_parts);
+		if (nb_parts > 0) {
+			int i;
+
+			parts = redboot_parts;
+			nb_parts = redboot_nr_parts;
+			for (i=0; i<nb_parts; i++) {
+				printk("RedBoot Partition: \"%s\", 0x%08lx-0x%08lx\n", parts[i].name, parts[i].offset, parts[i].offset+parts[i].size);
+			}
+
+		}
 	}
 
-	return -ENXIO;
+#endif
+
+	mymtd->module = THIS_MODULE;
+	add_mtd_partitions(mymtd, parts, nb_parts);
+	printk(KERN_NOTICE "SA1100 flash access initialized\n");
+	return 0;
 }
 
 static void __exit sa1100_mtd_cleanup(void)
diff -uNr /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/redboot.c drivers/mtd/redboot.c
--- /work2/iPAQ/HandHelds.org/cvs/linux/kernel/drivers/mtd/redboot.c	Wed Dec 31 17:00:00 1969
+++ drivers/mtd/redboot.c	Fri Mar 23 20:11:37 2001
@@ -0,0 +1,148 @@
+/*
+ * $Id: redboot.c,v 1.2 2001/03/14 13:19:47 dwmw2 Exp $
+ *
+ * Parse RedBoot-style Flash Image System (FIS) tables and
+ * produce a Linux partition array to match.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+struct fis_image_desc {
+    unsigned char name[16];      // Null terminated name
+    unsigned long flash_base;    // Address within FLASH of image
+    unsigned long mem_base;      // Address in memory where it executes
+    unsigned long size;          // Length of image
+    unsigned long entry_point;   // Execution entry point
+    unsigned long data_length;   // Length of actual data
+    unsigned char _pad[256-(16+7*sizeof(unsigned long))];
+    unsigned long desc_cksum;    // Checksum over image descriptor
+    unsigned long file_cksum;    // Checksum over image data
+};
+
+struct fis_list {
+	struct fis_image_desc *img;
+	struct fis_list *next;
+};
+
+static inline int redboot_checksum(struct fis_image_desc *img)
+{
+	/* RedBoot doesn't actually write the desc_cksum field yet AFAICT */
+	return 1;
+}
+
+int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts)
+{
+	int nrparts = 0;
+	struct fis_image_desc *buf;
+	struct mtd_partition *parts;
+	struct fis_list *fl = NULL, *tmp_fl;
+	int ret, i;
+	size_t retlen;
+	char *names;
+	int namelen = 0;
+
+	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+
+	if (!buf)
+		return -ENOMEM;
+
+	/* Read the start of the last erase block */
+	ret = master->read(master, master->size - master->erasesize,
+			   PAGE_SIZE, &retlen, (void *)buf);
+
+	if (ret)
+		goto out;
+
+	if (retlen != PAGE_SIZE) {
+		ret = -EIO;
+		goto out;
+	}
+
+	if (memcmp(buf, "RedBoot", 8)) {
+		ret = 0;
+		goto out;
+	}
+
+	for (i = 0; i < PAGE_SIZE / sizeof(struct fis_image_desc); i++) {
+		struct fis_list *new_fl, **prev;
+
+		if (buf[i].name[0] == 0xff)
+			break;
+		if (!redboot_checksum(&buf[i]))
+			break;
+
+		new_fl = kmalloc(sizeof(struct fis_list), GFP_KERNEL);
+		namelen += strlen(buf[i].name)+1;
+		if (!new_fl) {
+			ret = -ENOMEM;
+			goto out;
+		}
+		new_fl->img = &buf[i];
+		buf[i].flash_base &= master->size-1;
+
+		/* I'm sure the JFFS2 code has done me permanent damage.
+		 * I now think the following is _normal_
+		 */
+		prev = &fl;
+		while(*prev && (*prev)->img->flash_base < new_fl->img->flash_base)
+			prev = &(*prev)->next;
+		new_fl->next = *prev;
+		*prev = new_fl;
+
+		nrparts++;
+	}
+	if (fl->img->flash_base)
+		nrparts++;
+
+	for (tmp_fl = fl; tmp_fl->next; tmp_fl = tmp_fl->next) {
+		if (tmp_fl->img->flash_base + tmp_fl->img->size + master->erasesize < tmp_fl->next->img->flash_base)
+			nrparts++;
+	}
+	parts = kmalloc(sizeof(*parts)*nrparts + namelen, GFP_KERNEL);
+
+	if (!parts) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	names = &parts[nrparts];
+	memset(parts, 0, sizeof(*parts)*nrparts + namelen);
+	i=0;
+
+	if (fl->img->flash_base) {
+	       parts[0].name = "unallocated space";
+	       parts[0].size = fl->img->flash_base;
+	       parts[0].offset = 0;
+	}
+	for ( ; i<nrparts; i++) {
+		parts[i].size = fl->img->size;
+		parts[i].offset = fl->img->flash_base;
+		parts[i].name = names;
+
+		strcpy(names, fl->img->name);
+		names += strlen(names)+1;
+
+		if(fl->next && fl->img->flash_base + fl->img->size + master->erasesize < fl->next->img->flash_base) {
+			i++;
+			parts[i].offset = parts[i-1].size + parts[i-1].offset;
+			parts[i].size = fl->next->img->flash_base - parts[i].offset;
+			parts[i].name = "unallocated space";
+		}
+		tmp_fl = fl;
+		fl = fl->next;
+		kfree(tmp_fl);
+	}
+	ret = nrparts;
+	*pparts = parts;
+ out:
+	while (fl) {
+		struct fis_list *old = fl;
+		fl = fl->next;
+		kfree(old);
+	}
+	kfree(buf);
+	return ret;
+}