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[multiboot] Place multiboot modules low in memory

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Solaris assumes that there is enough space above the Multiboot modules
to use as a decompression and scratch area.  This assumption is
invalid when using iPXE, which places the Multiboot modules near the
top of (32-bit) memory.

Fix by copying the modules to an area of memory immediately following
the loaded kernel.

Debugged-by: Michael Brown <mcb30@ipxe.org>
Debugged-by: Scott McWhirter <scottm@joyent.com>
Tested-by: Robin Smidsrød <robin@smidsrod.no>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-04-15 01:35:39 +01:00
parent 2a0154db5b
commit 62eb2294f0
4 changed files with 69 additions and 52 deletions
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2
src/include/ipxe/elf.h
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@@ -12,6 +12,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <elf.h>
extern int elf_load ( struct image *image, physaddr_t *entry );
extern int elf_load ( struct image *image, physaddr_t *entry, physaddr_t *max );
#endif /* _IPXE_ELF_H */