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rombox: Do not copy .init section to ram on startup.

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This is pointless to copy this code as it can be run in-place.

Change-Id: I73b4f4a3337a88434af457c3f1e40b8d55a5a79e
This commit is contained in:
Marcin Bukat 2014-01-20 10:42:02 +01:00
parent cc64d9eb3b
commit b3abcb807b
1 changed files with 11 additions and 18 deletions
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29
firmware/rom.lds
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@ -56,18 +56,11 @@ STARTUP(crt0.o)
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE) #define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
#define CODECORIG ENDAUDIOADDR #define CODECORIG ENDAUDIOADDR
/* .init is copied to codec buffer */
#define INITORIG CODECORIG
#define INITSIZE CODECSIZE
MEMORY MEMORY
{ {
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
#ifdef HAVE_INIT_ATTR
INIT : ORIGIN = INITORIG, LENGTH = INITSIZE
#endif
} }
SECTIONS SECTIONS
@ -93,6 +86,9 @@ SECTIONS
KEEP(*(.resetvectors)); KEEP(*(.resetvectors));
KEEP(*(.vectors)); KEEP(*(.vectors));
. = ALIGN(0x200); . = ALIGN(0x200);
#ifdef HAVE_INIT_ATTR
*(.initdata*)
#endif
*(.data*) *(.data*)
. = ALIGN(0x4); . = ALIGN(0x4);
_dataend = .; _dataend = .;
@ -111,6 +107,14 @@ SECTIONS
{ {
*(.init.text) *(.init.text)
KEEP(*(.startup*)); KEEP(*(.startup*));
#ifdef HAVE_INIT_ATTR
/* all this symbols are set to the same address so .init copy loop
will be skiped in crt0.S */
_initstart = .;
_initend = .;
_initcopy = .;
*(.init*)
#endif
*(.text*) *(.text*)
. = ALIGN(0x4); . = ALIGN(0x4);
} > FLASH } > FLASH
@ -133,17 +137,6 @@ SECTIONS
_iramend = .; _iramend = .;
} > IRAM } > IRAM
#ifdef HAVE_INIT_ATTR
.init INITORIG : AT ( _iramcopy + SIZEOF(.iram) )
{
_initstart = .;
*(.init*)
*(.initdata*)
_initend = .;
} > INIT
_initcopy = LOADADDR(.init);
#endif
.ibss (NOLOAD) : .ibss (NOLOAD) :
{ {
_iedata = .; _iedata = .;