Differences

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--- etc:users:jcmvbkbc:omap-support-pieces [2009/07/06 16:32] – debugging notes jcmvbkbc
+++ users:jcmvbkbc:omap-support-pieces [2016/08/07 00:34] – ↷ Page moved from user:jcmvbkbc:omap-support-pieces to users:jcmvbkbc:omap-support-pieces kel
@@ Line 1: / Line 1: @@
 ====== N8x0 support in linux-omap ======
-Current kernel: 2.6.31-rc1-omap1
+Current kernel: 2.6.35
+[[http://jcmvbkbc.spb.ru/~dumb/ws/osll/n8x0/|Rootfs and kernel config]]
 ===== Startup plan =====
@@ Line 11: / Line 13: @@
 ===== Subsystems' status =====
+  * SPI, MMC, USB, mac80211: ok
 ===== Debugging in qemu =====
@@ Line 26: / Line 29: @@
   * 0x80008000 -- here we jump after decompression (.text.head that has VA of 0xc0008000 has PA 0x80008000 until MMU is active)
   * 0xc0026000 -- 'arm-linux-gnu-objdump -x vmlinux' says that .text starts here
+==== Booting n8x0 kernel in qemu ====
+<code>
+qemu-system-arm -M n810 -kernel "linux-omap-2.6/arch/arm/boot/zImage" -s -sd mmcblk0 -usb
+</code>
 ==== Script for gdb session ====
@@ Line 32: / Line 42: @@
 break *0x80008000
 </code>
+To debug kernel as usual:
+  symbol-file linux-omap-2.6/vmlinux
 To debug compression-related stuff from the very beginning (start, arch/arm/boot/compressed/head.S) till start_kernel:
-  add-symbol-file ~/ws/osll/omap/20090610/linux-omap-2.6/arch/arm/boot/compressed/vmlinux 0x80000000
+  add-symbol-file linux-omap-2.6/arch/arm/boot/compressed/vmlinux 0x80000000
 To debug kernel from stext (arch/arm/kernel/head.S) until MMU is active:
-  add-symbol-file ~/ws/osll/omap/20090610/linux-omap-2.6/vmlinux 0x80026000 -s .text.head 0x80008000
+  add-symbol-file linux-omap-2.6/vmlinux 0x80026000 -s .text.head 0x80008000
 To debug kernel from start_kernel (init/main.c):
-  add-symbol-file ~/ws/osll/omap/20090610/linux-omap-2.6/vmlinux 0xc0026000
+  add-symbol-file linux-omap-2.6/vmlinux 0xc0026000
 ==== "Blank screen" debugging ====