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Gigabeat S bootloader: 1) Switch order of .vectors to be contiguous with initialized sections. 2) Clean all caches in main before doing anything else because vector copying counts as self-modifying code. Up to v.00000012.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17381 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-05-05 13:30:29 +00:00
parent 9a54d9645d
commit 0218397cf4
2 changed files with 16 additions and 13 deletions
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5
bootloader/gigabeat-s.c
View file

@ -147,8 +147,11 @@ void main(void)
char tarstring[6];
char model[5];
/* Flush and invalidate all caches (because vectors were written) */
invalidate_icache();
lcd_clear_display();
printf("Gigabeat S Rockbox Bootloader v.00000011");
printf("Gigabeat S Rockbox Bootloader v.00000012");
system_init();
kernel_init();
printf("kernel init done");

38
firmware/target/arm/imx31/boot.lds
View file

@ -57,25 +57,6 @@ SECTIONS
_dataend = . ;
} > DRAM
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
} > IRAM
.bss :
{
_edata = .;
*(.bss*);
*(.ibss);
*(COMMON)
_end = .;
} > DRAM
.vectors 0x0 :
{
_vectorsstart = .;
@ -85,6 +66,25 @@ SECTIONS
} AT > DRAM
_vectorscopy = LOADADDR(.vectors);
.stack (NOLOAD) :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
} > IRAM
.bss (NOLOAD) :
{
_edata = .;
*(.bss*);
*(.ibss);
*(COMMON)
_end = .;
} > DRAM
.devbss (NOLOAD) :
{
_devbssdata = .;