mirror of https://github.com/hak5/openwrt.git
103 lines
5.1 KiB
Diff
103 lines
5.1 KiB
Diff
diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings.S 2007-05-29 23:30:35.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S 2007-05-29 23:33:44.000000000 +0200
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@@ -60,3 +60,5 @@
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.dword R_PORT_PB_SET
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.dword PB_SET_VALUE
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.dword 0 ; No more register values
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+ .ascii "ACME_PART_MAGIC" ; Magic number
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+ .dword 0xdeadc0de
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diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_416.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_416.S 2007-05-29 23:30:35.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S 2007-05-29 23:33:44.000000000 +0200
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@@ -60,3 +60,5 @@
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.dword R_PORT_PB_SET
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.dword PB_SET_VALUE
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.dword 0 ; No more register values
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+ .ascii "ACME_PART_MAGIC" ; Magic number
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+ .dword 0xdeadc0de
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diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_816.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_816.S 2007-05-29 23:30:35.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S 2007-05-29 23:33:44.000000000 +0200
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@@ -60,3 +60,5 @@
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.dword R_PORT_PB_SET
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.dword PB_SET_VALUE
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.dword 0 ; No more register values
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+ .ascii "ACME_PART_MAGIC" ; Magic number
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+ .dword 0xdeadc0de
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diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_832.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_832.S 2007-05-29 23:30:35.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S 2007-05-29 23:33:44.000000000 +0200
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@@ -60,3 +60,5 @@
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.dword R_PORT_PB_SET
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.dword PB_SET_VALUE
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.dword 0 ; No more register values
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+ .ascii "ACME_PART_MAGIC" ; Magic number
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+ .dword 0xdeadc0de
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diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 2007-05-29 23:30:35.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 2007-05-29 23:33:44.000000000 +0200
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@@ -60,3 +60,5 @@
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.dword R_PORT_PB_SET
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.dword PB_SET_VALUE
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.dword 0 ; No more register values
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+ .ascii "ACME_PART_MAGIC" ; Magic number
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+ .dword 0xdeadc0de
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diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2.6.19.2/arch/cris/arch-v10/drivers/axisflashmap.c
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--- linux-2.6.19.2.orig/arch/cris/arch-v10/drivers/axisflashmap.c 2007-05-29 23:30:36.000000000 +0200
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+++ linux-2.6.19.2/arch/cris/arch-v10/drivers/axisflashmap.c 2007-05-29 23:36:31.000000000 +0200
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@@ -421,6 +421,11 @@
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struct partitiontable_entry *ptable;
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int use_default_ptable = 1; /* Until proven otherwise. */
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const char pmsg[] = " /dev/flash%d at 0x%08x, size 0x%08x\n";
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+ unsigned int kernel_part_size = 0;
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+ unsigned char *flash_mem = (unsigned char*)(FLASH_CACHED_ADDR);
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+ unsigned int flash_scan_count = 0;
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+ const char *part_magic = "ACME_PART_MAGIC";
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+ unsigned int magic_len = strlen(part_magic);
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if (!(mymtd = flash_probe())) {
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/* There's no reason to use this module if no flash chip can
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@@ -432,6 +437,32 @@
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mymtd->name, mymtd->size);
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axisflash_mtd = mymtd;
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}
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+ /* scan flash to findout where out partition starts */
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+
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+ printk(KERN_INFO "Scanning flash for end of kernel magic\n");
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+ for(flash_scan_count = 0; flash_scan_count < 100000; flash_scan_count++){
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+ if(strncmp(&flash_mem[flash_scan_count], part_magic, magic_len - 1) == 0){
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+ //printk(KERN_INFO "Found end of kernel magic at 0x%.08X\n", flash_scan_count);
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+ kernel_part_size = flash_mem[flash_scan_count + magic_len ];
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+ kernel_part_size <<= 8;
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+ kernel_part_size += flash_mem[flash_scan_count + magic_len + 2];
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+ kernel_part_size <<= 8;
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+ kernel_part_size += flash_mem[flash_scan_count + magic_len + 1];
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+ kernel_part_size <<= 8;
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+ kernel_part_size += flash_mem[flash_scan_count + magic_len + 3];
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+ printk(KERN_INFO "Kernel ends at 0x%.08X\n", kernel_part_size);
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+ flash_scan_count = 1100000;
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+ }
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+ }
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+
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+
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+ if(kernel_part_size){
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+ kernel_part_size = (kernel_part_size & 0xffff0000);
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+ //printk(KERN_INFO "Configuring partition sizes total flash 0x%.08X - kernel 0x%.08X - rootfs 0x%.08X\n", mymtd->size, kernel_part_size, mymtd->size - kernel_part_size);
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+ axis_default_partitions[0].size = kernel_part_size;
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+ axis_default_partitions[1].size = mymtd->size - axis_default_partitions[0].size;
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+ axis_default_partitions[1].offset = axis_default_partitions[0].size;
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+ }
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if (mymtd) {
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mymtd->owner = THIS_MODULE;
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@@ -527,7 +558,7 @@
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if (mymtd) {
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if (use_default_ptable) {
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- printk(KERN_INFO " Using default partition table.\n");
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+ printk(KERN_INFO " Using ACME partition table.\n");
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err = add_mtd_partitions(mymtd, axis_default_partitions,
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NUM_DEFAULT_PARTITIONS);
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} else {
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