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| author | Manish Pandey <manish.pandey2@arm.com> | 2018-06-18 12:01:05 +0100 |
|---|---|---|
| committer | Manish Pandey <manish.pandey2@arm.com> | 2018-06-26 13:04:00 +0100 |
| commit | fa402ea937eef4cb6756e5df542b61ab95b76340 (patch) | |
| tree | 699634eb62ce1ae3adb7c86d962edc6f47ce386b | |
| parent | e5ba23f3fb4d80d0a00e7c06e5d1974222c7a84f (diff) | |
bootwrapper: added support for XIP kernel.
added a compilation flag XIP_KERNEL to execute kernel directly
from flash, no need to load and relocate kernel in RAM.
Change-Id: I6ed37dafbedb72000f61212cde251e755e736240
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
| -rw-r--r-- | config-default.mk | 4 | ||||
| -rw-r--r-- | semi_loader.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/config-default.mk b/config-default.mk index fade53d..0f71438 100644 --- a/config-default.mk +++ b/config-default.mk @@ -91,6 +91,10 @@ CORTEX_A9_A5 ?= no ifeq ($(CORTEX_A9_A5),yes) CPPFLAGS +=-DCORTEX_A9_A5 endif +XIP_KERNEL ?= no +ifeq ($(XIP_KERNEL),yes) +CPPFLAGS +=-DXIP_KERNEL +endif # Default kernel command line, using initrd: ifeq ($(USE_INITRD),yes) diff --git a/semi_loader.c b/semi_loader.c index f8be94d..ce7b474 100644 --- a/semi_loader.c +++ b/semi_loader.c @@ -564,6 +564,7 @@ args_done: /* load the kernel */ +#ifndef XIP_KERNEL info->kernel_entry = (unsigned)phys; if(kernel_arg) { @@ -579,6 +580,7 @@ args_done: /* move the kernel to the correct place, if necessary */ correct_kernel_location(info); +#endif phys = (char *)(PHYS_OFFSET + INITRD_OFFSET); |