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Ingenic Jz4740: enable IRAM (only core, without ibss)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21331 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-06-18 18:16:15 +00:00
parent 0181bc42c9
commit 2fb6396f5a
3 changed files with 15 additions and 34 deletions
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5
firmware/export/config.h
View file

@ -639,13 +639,14 @@ Lyre prototype 1*/
(CONFIG_CPU == AS3525 && MEMORYSIZE > 2) || /* AS3525 +2MB: core, plugins, codecs */ \ (CONFIG_CPU == AS3525 && MEMORYSIZE > 2) || /* AS3525 +2MB: core, plugins, codecs */ \
(CONFIG_CPU == AS3525 && MEMORYSIZE <= 2 && !defined(PLUGIN) && !defined(CODEC)) || /* AS3525 2MB:core only */ \ (CONFIG_CPU == AS3525 && MEMORYSIZE <= 2 && !defined(PLUGIN) && !defined(CODEC)) || /* AS3525 2MB:core only */ \
(CONFIG_CPU == PNX0101) || \ (CONFIG_CPU == PNX0101) || \
(CONFIG_CPU == S5L8700)) /* Samsung S5L8700: core, plugins, codecs */ (CONFIG_CPU == S5L8700)) /* Samsung S5L8700: core, plugins, codecs */ || \
(CONFIG_CPU == JZ4732 && !defined(PLUGIN) && !defined(CODEC)) /* Jz4740: core only */
#define ICODE_ATTR __attribute__ ((section(".icode"))) #define ICODE_ATTR __attribute__ ((section(".icode")))
#define ICONST_ATTR __attribute__ ((section(".irodata"))) #define ICONST_ATTR __attribute__ ((section(".irodata")))
#define IDATA_ATTR __attribute__ ((section(".idata"))) #define IDATA_ATTR __attribute__ ((section(".idata")))
#define IBSS_ATTR __attribute__ ((section(".ibss"))) #define IBSS_ATTR __attribute__ ((section(".ibss")))
#define USE_IRAM #define USE_IRAM
#if CONFIG_CPU != SH7034 && (CONFIG_CPU != AS3525 || MEMORYSIZE > 2) #if CONFIG_CPU != SH7034 && (CONFIG_CPU != AS3525 || MEMORYSIZE > 2) && CONFIG_CPU != JZ4732
#define PLUGIN_USE_IRAM #define PLUGIN_USE_IRAM
#endif #endif
#if defined(CPU_ARM) #if defined(CPU_ARM)

12
firmware/target/mips/ingenic_jz47xx/app.lds
View file

@ -16,7 +16,7 @@ STARTUP(target/mips/ingenic_jz47xx/crt0.o)
#define DRAMORIG 0x80004000 #define DRAMORIG 0x80004000
#define IRAMORIG 0x80000000 #define IRAMORIG 0x80000000
#define IRAMSIZE (16K-0x220) #define IRAMSIZE 16K
/* End of the audio buffer, where the codec buffer starts */ /* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE) #define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@ -94,13 +94,12 @@ SECTIONS
stackend = .; stackend = .;
} > IRAM } > IRAM
. = ALIGN(4);
.bss (NOLOAD): .bss (NOLOAD):
{ {
_edata = .; _edata = .;
*(.sbss*); *(.sbss*);
*(.bss*); *(.bss*);
*(.ibss*); /* Don't put this in IRAM as there's not enough space */
*(COMMON); *(COMMON);
*(.scommon*); *(.scommon*);
_end = .; _end = .;
@ -108,13 +107,6 @@ SECTIONS
. = ALIGN(4); . = ALIGN(4);
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss*);
_iend = .;
} > IRAM
.audiobuf ALIGN(4) : .audiobuf ALIGN(4) :
{ {
audiobuffer = .; audiobuffer = .;

12
firmware/target/mips/ingenic_jz47xx/crt0.S
View file

@ -148,18 +148,6 @@ _bss_loop:
bne t0, t1, _bss_loop bne t0, t1, _bss_loop
addiu t0, 4 addiu t0, 4
/*
----------------------------------------------------
Clear IBSS section
----------------------------------------------------
*/
la t0, _iedata
la t1, _iend
_ibss_loop:
sw zero, 0(t0)
bne t0, t1, _ibss_loop
addiu t0, 4
/* /*
---------------------------------------------------- ----------------------------------------------------
Set up stack Set up stack