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authorJeff Polk <jeff.polk@windriver.com>2014-03-28 17:42:43 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-04-01 23:36:20 +0100
commit1e9e26304b77dd11b30ec983b7fa058378b29c47 (patch)
tree599288f88e7e5c426f3a1ec5e83ba19c92cc52f5 /meta/recipes-devtools
parentf7cd6b383f50ebc3000a9d9db8be719ab5b3c0bb (diff)
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qemu: Add addition environment space to boot loader qemu-system-mips
The qemu mips malta base board boot loader uses environment strings with a max length of 256 bytes which is not long enough to accommodate a long NFS path in addition to the normal kernel boot command line arguments. The solution is to expand the environment string length to 1024 bytes. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Roy Li <rongqing.li@windriver.com> Signed-off-by: Jeff Polk <jeff.polk@windriver.com> Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools')
-rw-r--r--meta/recipes-devtools/qemu/files/qemu-enlarge-env-entry-size.patch31
-rw-r--r--meta/recipes-devtools/qemu/qemu_1.7.0.bb3
2 files changed, 33 insertions, 1 deletions
diff --git a/meta/recipes-devtools/qemu/files/qemu-enlarge-env-entry-size.patch b/meta/recipes-devtools/qemu/files/qemu-enlarge-env-entry-size.patch
new file mode 100644
index 0000000000..c7425ab8d4
--- /dev/null
+++ b/meta/recipes-devtools/qemu/files/qemu-enlarge-env-entry-size.patch
@@ -0,0 +1,31 @@
+qemu: Add addition environment space to boot loader qemu-system-mips
+
+Upstream-Status: Inappropriate - OE uses deep paths
+
+If you create a project with very long directory names like 128 characters
+deep and use NFS, the kernel arguments will be truncated. The kernel will
+accept longer strings such as 1024 bytes, but the qemu boot loader defaulted
+to only 256 bytes. This patch expands the limit.
+
+Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
+Signed-off-by: Roy Li <rongqing.li@windriver.com>
+---
+ hw/mips/mips_malta.c | 2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
+index 9d521cc..17c0391 100644
+--- a/hw/mips/mips_malta.c
++++ b/hw/mips/mips_malta.c
+@@ -53,7 +53,7 @@
+
+ #define ENVP_ADDR 0x80002000l
+ #define ENVP_NB_ENTRIES 16
+-#define ENVP_ENTRY_SIZE 256
++#define ENVP_ENTRY_SIZE 1024
+
+ /* Hardware addresses */
+ #define FLASH_ADDRESS 0x1e000000ULL
+--
+1.7.10.4
+
diff --git a/meta/recipes-devtools/qemu/qemu_1.7.0.bb b/meta/recipes-devtools/qemu/qemu_1.7.0.bb
index c0e8b5523e..be6dd51df4 100644
--- a/meta/recipes-devtools/qemu/qemu_1.7.0.bb
+++ b/meta/recipes-devtools/qemu/qemu_1.7.0.bb
@@ -3,7 +3,8 @@ require qemu.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \
file://COPYING.LIB;endline=24;md5=c04def7ae38850e7d3ef548588159913"
-SRC_URI += "file://fxrstorssefix.patch"
+SRC_URI += "file://fxrstorssefix.patch \
+ file://qemu-enlarge-env-entry-size.patch"
SRC_URI_prepend = "http://wiki.qemu.org/download/qemu-${PV}.tar.bz2"
SRC_URI[md5sum] = "32893941d40d052a5e649efcf06aca06"