diff options
Diffstat (limited to 'packages/arm-kernel-shim/files/cmdline_if_none.patch')
| -rw-r--r-- | packages/arm-kernel-shim/files/cmdline_if_none.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/packages/arm-kernel-shim/files/cmdline_if_none.patch b/packages/arm-kernel-shim/files/cmdline_if_none.patch new file mode 100644 index 0000000000..460f7be090 --- /dev/null +++ b/packages/arm-kernel-shim/files/cmdline_if_none.patch @@ -0,0 +1,45 @@ +--- arm-kernel-shim-1.3/main.c.orig 2007-02-14 19:05:35.000000000 -0600 ++++ arm-kernel-shim-1.3/main.c 2007-02-14 22:48:06.000000000 -0600 +@@ -153,6 +153,42 @@ + p->hdr.tag = ATAG_NONE; + p->hdr.size = 0; + ++#else ++ ++#ifdef CMDLINE_IF_NONE ++ ++ /* Walk over the ATAG list, we need to find the end of the list. ++ * If we find a command line tag, stash away the pointer to the ++ * actual command line itself. Note that the implementation ++ * below assumes a single ATAG_CMDLINE passed in from the ++ * bootloader, which may not be a good assumption in all cases. ++ */ ++ { ++ char *c = 0; ++ for_each_tag(p, (struct tag*) PHYS_PARAMS) ++ if (p->hdr.tag == ATAG_CMDLINE) c = p->u.cmdline.cmdline; ++ ++ /* p -> final tag (ATAG_NONE), and c -> command line if found */ ++ /* if no ATAG_CMDLINE, or command line is empty, add the default one. */ ++ ++ if ((c == 0) || (*c == 0)) { ++ p->hdr.tag = ATAG_CMDLINE; ++ p->hdr.size = tag_size (tag_cmdline) ++ + (sizeof (cmdline)+3)/4 - 1; ++ { ++ const char* sz = cmdline + offset; ++ int i; ++ for (i = 0; i < sizeof (cmdline); ++i) ++ p->u.cmdline.cmdline[i] = sz[i]; ++ } ++ p = tag_next (p); ++ p->hdr.tag = ATAG_NONE; ++ p->hdr.size = 0; ++ } ++ } ++ ++#endif ++ + #endif + + /* Pass control to the kernel */ |