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authorMaurus Cuelenaere <mcuelenaere@gmail.com>2009-06-18 18:16:15 +0000
committerMaurus Cuelenaere <mcuelenaere@gmail.com>2009-06-18 18:16:15 +0000
commit2fb6396f5a73e52d059f8472a8dceba59ce31250 (patch)
tree5f0da6964bc5f4582b88d2f16a3d2eb8626ee628 /firmware/target/mips
parent0181bc42c942797b1e215e6f7861aa760207b8db (diff)
downloadrockbox-2fb6396f5a73e52d059f8472a8dceba59ce31250.tar.gz
rockbox-2fb6396f5a73e52d059f8472a8dceba59ce31250.zip
Ingenic Jz4740: enable IRAM (only core, without ibss)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21331 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/mips')
-rw-r--r--firmware/target/mips/ingenic_jz47xx/app.lds32
-rw-r--r--firmware/target/mips/ingenic_jz47xx/crt0.S12
2 files changed, 12 insertions, 32 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/app.lds b/firmware/target/mips/ingenic_jz47xx/app.lds
index 61bfd2e613..e8c9ebf65b 100644
--- a/firmware/target/mips/ingenic_jz47xx/app.lds
+++ b/firmware/target/mips/ingenic_jz47xx/app.lds
@@ -16,7 +16,7 @@ STARTUP(target/mips/ingenic_jz47xx/crt0.o)
#define DRAMORIG 0x80004000
#define IRAMORIG 0x80000000
-#define IRAMSIZE (16K-0x220)
+#define IRAMSIZE 16K
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@@ -41,14 +41,14 @@ SECTIONS
*(.init.text);
*(.text*);
} > DRAM
-
+
. = ALIGN(4);
.rodata :
{
*(.rodata*);
} > DRAM
-
+
. = ALIGN(4);
.data :
@@ -57,9 +57,9 @@ SECTIONS
*(.sdata*);
*(.rel.dyn);
} > DRAM
-
+
. = ALIGN(4);
-
+
/* Set the load address of .iram at the same address as .bss
* so RAM won't be wasted as .iram in the end will get copied
* to IRAM. */
@@ -74,7 +74,7 @@ SECTIONS
. = 0x200;
*(.vectors.4);
*(.vectors);
-
+
*(.icode);
*(.irodata);
*(.idata);
@@ -83,9 +83,9 @@ SECTIONS
_iramend = .;
} > IRAM
_iramcopy = LOADADDR(.iram);
-
+
. = ALIGN(4);
-
+
.stack (NOLOAD):
{
*(.stack);
@@ -93,28 +93,20 @@ SECTIONS
. += 0x2000;
stackend = .;
} > IRAM
-
- . = ALIGN(4);
.bss (NOLOAD):
{
_edata = .;
*(.sbss*);
*(.bss*);
+ *(.ibss*); /* Don't put this in IRAM as there's not enough space */
*(COMMON);
*(.scommon*);
_end = .;
} > DRAM
-
+
. = ALIGN(4);
-
- .ibss (NOLOAD) :
- {
- _iedata = .;
- *(.ibss*);
- _iend = .;
- } > IRAM
-
+
.audiobuf ALIGN(4) :
{
audiobuffer = .;
@@ -134,7 +126,7 @@ SECTIONS
{
pluginbuf = .;
}
-
+
/DISCARD/ :
{
*(.eh_frame);
diff --git a/firmware/target/mips/ingenic_jz47xx/crt0.S b/firmware/target/mips/ingenic_jz47xx/crt0.S
index 783773cf0c..111244b173 100644
--- a/firmware/target/mips/ingenic_jz47xx/crt0.S
+++ b/firmware/target/mips/ingenic_jz47xx/crt0.S
@@ -147,18 +147,6 @@ _bss_loop:
sw zero, 0(t0)
bne t0, t1, _bss_loop
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
/*
----------------------------------------------------