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authorWaldemar Brodkorb <wbx@openadk.org>2017-01-25 07:36:46 +0100
committerPeter Korsgaard <peter@korsgaard.com>2017-01-25 23:20:26 +0100
commitc1395b347fb2e4a7551d220881e1a075d1e6e7bd (patch)
tree4da4cbfb61608ee3091308d0c2cee48809d39cdf /board/qemu/or1k/patches/linux/0002-kallsyms.patch
parenta818e29e76d9a083877094ed7bb3e9cfd31f3a46 (diff)
downloadbuildroot-c1395b347fb2e4a7551d220881e1a075d1e6e7bd.tar.gz
buildroot-c1395b347fb2e4a7551d220881e1a075d1e6e7bd.zip
or1k: add defconfig for Qemu system emulation
You can bootup a OpenRISC system, networking is not working. [Peter: drop unneeded _GETTY_PORT="ttyS0" setting] Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Tested-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Diffstat (limited to 'board/qemu/or1k/patches/linux/0002-kallsyms.patch')
-rw-r--r--board/qemu/or1k/patches/linux/0002-kallsyms.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/board/qemu/or1k/patches/linux/0002-kallsyms.patch b/board/qemu/or1k/patches/linux/0002-kallsyms.patch
new file mode 100644
index 0000000000..e788a7a9b4
--- /dev/null
+++ b/board/qemu/or1k/patches/linux/0002-kallsyms.patch
@@ -0,0 +1,25 @@
+From: https://lkml.org/lkml/2016/12/31/13
+
+The build robot reports:
+
+ .tmp_kallsyms1.o: In function `kallsyms_relative_base':
+>> (.rodata+0x8a18): undefined reference to `_text'
+
+This is when using 'make alldefconfig'. Adding this _text symbol to mark
+the start of the kernel as in other architecture fixes this.
+
+Signed-off-by: Stafford Horne <shorne@gmail.com>
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+
+diff -Nur linux-4.9.orig/arch/openrisc/kernel/vmlinux.lds.S linux-4.9/arch/openrisc/kernel/vmlinux.lds.S
+--- linux-4.9.orig/arch/openrisc/kernel/vmlinux.lds.S 2016-12-11 20:17:54.000000000 +0100
++++ linux-4.9/arch/openrisc/kernel/vmlinux.lds.S 2017-01-01 12:13:43.039107518 +0100
+@@ -38,6 +38,8 @@
+ /* Read-only sections, merged into text segment: */
+ . = LOAD_BASE ;
+
++ _text = .;
++
+ /* _s_kernel_ro must be page aligned */
+ . = ALIGN(PAGE_SIZE);
+ _s_kernel_ro = .;
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