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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 21:20:47 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 21:20:47 +0400
commita417fb99dea8ee47e72060fb36e5f3ff4ea54a5b (patch)
tree788cf90966768c270db150f06917728937150da4 /arch/x86/boot/compressed/cmdline.c
parent9faa1e5942fd647b0dd2fbbdcc04988841cacaf3 (diff)
parent6238b47b58480cd9c092600c05338dbe261b71ce (diff)
downloadlinux-a417fb99dea8ee47e72060fb36e5f3ff4ea54a5b.tar.xz
Merge branch 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: move isdigit.h to ctype.h, header files on top. x86, setup: enable early console output from the decompressor x86, setup: reorganize the early console setup x86, setup: Allow global variables and functions in the decompressor x86, setup: Only set early_serial_base after port is initialized x86, setup: Make the setup code also accept console=uart8250 x86, setup: Early-boot serial I/O support
Diffstat (limited to 'arch/x86/boot/compressed/cmdline.c')
-rw-r--r--arch/x86/boot/compressed/cmdline.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
new file mode 100644
index 000000000000..cb62f786990d
--- /dev/null
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -0,0 +1,21 @@
+#include "misc.h"
+
+static unsigned long fs;
+static inline void set_fs(unsigned long seg)
+{
+ fs = seg << 4; /* shift it back */
+}
+typedef unsigned long addr_t;
+static inline char rdfs8(addr_t addr)
+{
+ return *((char *)(fs + addr));
+}
+#include "../cmdline.c"
+int cmdline_find_option(const char *option, char *buffer, int bufsize)
+{
+ return __cmdline_find_option(real_mode->hdr.cmd_line_ptr, option, buffer, bufsize);
+}
+int cmdline_find_option_bool(const char *option)
+{
+ return __cmdline_find_option_bool(real_mode->hdr.cmd_line_ptr, option);
+}