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FS#10756 - Free unused init code

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Introduce a new .init section for initialisation code, so that it can be copied to an area which is later overwritten before calling. The stack/bss can then overwrite that code, effectively freeing the code size that the initialisation routines need. Gives a few kB ram usage back.
Only implemented for PP and as3525 so far. More targets could be added, as well as more functions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25013 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-03-03 23:20:32 +00:00
parent e479853f15
commit f8edc32589
33 changed files with 98 additions and 37 deletions
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3
firmware/export/buffer.h
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@ -21,6 +21,7 @@
#ifndef BUFFER_H
#define BUFFER_H
#include "config.h"
/* defined in linker script */
#ifdef SIMULATOR
extern unsigned char *audiobufend;
@ -30,7 +31,7 @@ extern unsigned char audiobufend[];
extern unsigned char *audiobuf;
void buffer_init(void);
void buffer_init(void) INIT_ATTR;
void *buffer_alloc(size_t size);
#endif