256 bytes is awfully short, and 1024 matches the size of the temporary
buffer tboot uses to manipulate the command line.
Signed-off-by: Ed Swierk <eswi...@skyportsystems.com>
---
tboot/common/linux.c | 4 ++--
tboot/include/linux_defns.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/tboot/common/linux.c b/tboot/common/linux.c
index 3572d5f..f4668c0 100644
--- a/tboot/common/linux.c
+++ b/tboot/common/linux.c
@@ -120,8 +120,8 @@ bool expand_linux_image(const void *linux_image, size_t
linux_size,
/* recommended layout
0x0000 - 0x7FFF Real mode kernel
- 0x8000 - 0x8FFF Stack and heap
- 0x9000 - 0x90FF Kernel command line
+ 0x8000 - 0x8CFF Stack and heap
+ 0x8D00 - 0x90FF Kernel command line
for details, see linux_defns.h
*/
diff --git a/tboot/include/linux_defns.h b/tboot/include/linux_defns.h
index 12c5714..cd126db 100644
--- a/tboot/include/linux_defns.h
+++ b/tboot/include/linux_defns.h
@@ -207,7 +207,7 @@ typedef struct __attribute__ ((packed)) {
#define REAL_KERNEL_OFFSET 0x0000
#define BOOT_SECTOR_OFFSET 0x0200
-#define KERNEL_CMDLINE_OFFSET 0x9000
+#define KERNEL_CMDLINE_OFFSET 0x8D00
#define REAL_END_OFFSET 0x9100
#define REAL_MODE_SIZE REAL_END_OFFSET - REAL_KERNEL_OFFSET
--
1.9.1
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