Create derivative-specific files

Instead of having derivative-specific code within the assembly files
and guarded by %if SYSLINUX, etc move all the code to C files so that
the correct get_derivative_info() function can be wired up at runtime.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/core/include/fs.h b/core/include/fs.h
index 673be38e..c648d2ad 100644
--- a/core/include/fs.h
+++ b/core/include/fs.h
@@ -199,6 +199,8 @@ void close_file(uint16_t handle);
 void pm_close_file(com32sys_t *);
 int open_config(void);
 
+extern uint16_t SectorShift;
+
 /* chdir.c */
 void pm_realpath(com32sys_t *regs);
 size_t realpath(char *dst, const char *src, size_t bufsize);