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Real fake IRAM by placing .i.... section in the analagous DRAM sections in the linker scripts that hasn't done this yet.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17449 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-05-10 22:03:45 +00:00
parent ab15fa7e00
commit 209aa8eda5
7 changed files with 39 additions and 114 deletions
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7
apps/codecs/libmad/mad_iram.h
View file

@ -30,8 +30,7 @@
/* Code performs slower in IRAM on PP502x and there is no space in
mpegplayer on the PP5002. S3C2440 doesn't have any IRAM available for
codecs */
#if defined(CPU_PP502x) || (CONFIG_CPU == PP5002 && defined(MPEGPLAYER)) || \
(CONFIG_CPU==S3C2440) || (CONFIG_CPU==IMX31L)
#if defined(CPU_PP502x) || (CONFIG_CPU == PP5002 && defined(MPEGPLAYER))
#define ICODE_SECTION_MPA_ARM .text
#define ICODE_ATTR_MPA_SYNTH
#else
@ -39,11 +38,7 @@
#define ICODE_ATTR_MPA_SYNTH ICODE_ATTR
#endif
#if CONFIG_CPU == S3C2440 || CONFIG_CPU == IMX31L
#define IBSS_SECTION_MPA_ARM .bss
#else
#define IBSS_SECTION_MPA_ARM .ibss
#endif
#ifndef ICONST_ATTR_MPA_HUFFMAN
#define ICONST_ATTR_MPA_HUFFMAN ICONST_ATTR

22
apps/plugins/plugin.lds
View file

@ -63,14 +63,12 @@ OUTPUT_FORMAT(elf32-sh)
#define IRAMSIZE 0x9000
#elif CONFIG_CPU == S3C2440
#define DRAMORIG 0x0 + STUBOFFSET
#define IRAMORIG DRAMORIG
#define IRAMSIZE 4K
#define IRAM DRAM
#define IRAMSIZE 0
#elif CONFIG_CPU == IMX31L
#define DRAMORIG 0x0 + STUBOFFSET
#define IRAMORIG DRAMORIG
#define IRAMSIZE 0x4000
#define IRAM DRAM
#define IRAMSIZE 0
#elif CONFIG_CPU==DM320
#define DRAMORIG 0x00900000 + STUBOFFSET
#define IRAMORIG DRAMORIG
@ -100,7 +98,7 @@ OUTPUT_FORMAT(elf32-sh)
MEMORY
{
PLUGIN_RAM : ORIGIN = THIS_ORIGIN, LENGTH = THIS_LENGTH
#if defined(IRAMSIZE)
#if defined(IRAMSIZE) && IRAMSIZE != 0
PLUGIN_IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
#endif
}
@ -116,6 +114,9 @@ SECTIONS
.text :
{
*(.text*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.icode)
#endif
#ifdef CPU_ARM
*(.glue_7)
*(.glue_7t)
@ -125,12 +126,18 @@ SECTIONS
.rodata :
{
*(.rodata*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.irodata)
#endif
. = ALIGN(0x4);
} > PLUGIN_RAM
.data :
{
*(.data*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.idata)
#endif
} > PLUGIN_RAM
#if NOCACHE_BASE != 0
@ -151,7 +158,7 @@ SECTIONS
*(.eh_frame)
}
#if defined(IRAMSIZE)
#if defined(IRAMSIZE) && IRAMSIZE != 0
.iram IRAMORIG : AT ( iramcopy)
{
iramstart = .;
@ -175,6 +182,9 @@ SECTIONS
{
plugin_bss_start = .;
*(.bss*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.ibss)
#endif
*(COMMON)
. = ALIGN(0x4);
} > PLUGIN_RAM

24
firmware/target/arm/imx31/app.lds
View file

@ -46,6 +46,7 @@ SECTIONS
. = ALIGN(0x200);
*(.init.text)
*(.text*)
*(.icode)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
@ -57,6 +58,7 @@ SECTIONS
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
*(.irodata)
. = ALIGN(0x4);
/* Pseudo-allocate the copies of the data sections */
@ -70,6 +72,7 @@ SECTIONS
{
_datastart = .;
*(.data*)
*(.idata)
. = ALIGN(0x4);
_dataend = .;
} > DRAM
@ -88,26 +91,6 @@ SECTIONS
_vectorscopy = LOADADDR(.vectors);
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > DRAM
_iramcopy = LOADADDR(.iram);
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > DRAM
.stack :
{
*(.stack)
@ -120,6 +103,7 @@ SECTIONS
{
_edata = .;
*(.bss*)
*(.ibss)
*(COMMON)
. = ALIGN(0x4);
_end = .;

19
firmware/target/arm/imx31/crt0.S
View file

@ -229,25 +229,6 @@ remap_end:
ldrhi r5, [r4], #4
strhi r5, [r2], #4
bhi 1b
#else
/* Zero out IBSS */
ldr r2, =_iedata
ldr r3, =_iend
mov r4, #0
1:
cmp r3, r2
strhi r4, [r2], #4
bhi 1b
/* Copy the IRAM */
ldr r2, =_iramcopy
ldr r3, =_iramstart
ldr r4, =_iramend
1:
cmp r4, r3
ldrhi r5, [r2], #4
strhi r5, [r3], #4
bhi 1b
#endif /* BOOTLOADER */
/* Initialise bss section to zero */

37
firmware/target/arm/s3c2440/app.lds
View file

@ -51,6 +51,7 @@ SECTIONS
_textstart = .;
*(.text)
*(.text*)
*(.icode)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
@ -64,12 +65,14 @@ SECTIONS
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
*(.irodata*)
. = ALIGN(0x4);
} > DRAM
.data :
{
*(.data*)
*(.idata*)
. = ALIGN(0x4);
} > DRAM
@ -78,27 +81,9 @@ SECTIONS
*(.eh_frame)
}
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > DRAM
_initdata_end =.;
_iramcopy = LOADADDR(.iram);
.ibss :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > DRAM
.stack :
.stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
@ -106,34 +91,36 @@ SECTIONS
stackend = .;
} > DRAM
.bss :
.bss (NOLOAD) :
{
_edata = .;
*(.bss*)
*(.ibss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.audiobuf ALIGN(4) :
.audiobuf (NOLOAD) :
{
. = ALIGN(4);
_audiobuffer = .;
audiobuffer = .;
} > DRAM
.audiobufend ENDAUDIOADDR:
.audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
.codec ENDAUDIOADDR:
.codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
.plugin ENDADDR:
.plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;

24
firmware/target/arm/s3c2440/boot.lds
View file

@ -33,6 +33,7 @@ SECTIONS
_textstart = .;
*(.text)
*(.text*)
*(.icode)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
@ -46,12 +47,14 @@ SECTIONS
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
*(.irodata)
. = ALIGN(0x4);
} > DRAM
.data :
{
*(.data*)
*(.idata)
. = ALIGN(0x4);
} > DRAM
@ -60,26 +63,6 @@ SECTIONS
*(.eh_frame)
}
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > DRAM
_iramcopy = LOADADDR(.iram);
.ibss :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > DRAM
.stack :
{
*(.stack)
@ -92,6 +75,7 @@ SECTIONS
{
_edata = .;
*(.bss*)
*(.ibss)
*(COMMON)
. = ALIGN(0x4);
_end = .;

20
firmware/target/arm/s3c2440/crt0.S
View file

@ -97,7 +97,7 @@ start:
/* Calculate the length of the code needed to run/copy */
ldr r1, = _vectorstart
ldr r2, = _iramend
ldr r2, = _initdata_end
sub r2, r2, r1
add r3, r2, #0x30000000
@ -364,7 +364,7 @@ start:
/* Copy code to 0x30000000 */
ldr r2, = _vectorstart
ldr r3, = _iramend
ldr r3, = _initdata_end
sub r2, r3, r2 /* length of loader */
@ -408,22 +408,6 @@ donecopy:
bl enable_mmu
/* Zero out IBSS */
ldr r2, =_iedata
ldr r3, =_iend
mov r4, #0
ibsszero:
cmp r3, r2
strhi r4, [r2], #4
bhi ibsszero
/* Copy the IRAM */
ldr r0, =_iramcopy
ldr r1, =_iramstart
ldr r2, =_iramend
sub r2, r2, r1
bl word_copy
/* Initialise bss section to zero */
ldr r2, =_edata
ldr r3, =_end