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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-06-15 23:54:25 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-06-15 23:54:25 +0000 |
| commit | c70a8e40fe9eed5b9c5460d1b4a4160f20d7e72c (patch) | |
| tree | 4072756cd5eaa266c4ee4f6527a7a3369e5e3b69 /nuttx/arch/avr/src/atmega | |
| parent | ebcd165244ce88f7c34d483f0aee8acbfaad112f (diff) | |
| download | px4-nuttx-c70a8e40fe9eed5b9c5460d1b4a4160f20d7e72c.tar.gz px4-nuttx-c70a8e40fe9eed5b9c5460d1b4a4160f20d7e72c.tar.bz2 px4-nuttx-c70a8e40fe9eed5b9c5460d1b4a4160f20d7e72c.zip | |
Make room for the noinit section before the heap
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3710 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/avr/src/atmega')
| -rwxr-xr-x | nuttx/arch/avr/src/atmega/atmega_head.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/nuttx/arch/avr/src/atmega/atmega_head.S b/nuttx/arch/avr/src/atmega/atmega_head.S index cad7e54c8..9b6581ce7 100755 --- a/nuttx/arch/avr/src/atmega/atmega_head.S +++ b/nuttx/arch/avr/src/atmega/atmega_head.S @@ -47,9 +47,9 @@ * Pre-processor definitions ****************************************************************************/ -/* Stack is allocated just after .bss and before the heap */ +/* Stack is allocated just after uninitialized data and just before the heap */ -#define STACKBASE (_ebss+CONFIG_IDLETHREAD_STACKSIZE-4) +#define STACKBASE (_enoinit+CONFIG_IDLETHREAD_STACKSIZE-1) /* The RAMPZ register is only available for CPUs with more than 64Kb of FLASH. * At present, only the ATMega128 is supported so RAMPZ should always be @@ -72,6 +72,7 @@ .global _sdata /* Start of .data section in RAM */ .global _edata /* End of .data section in RAM */ .global _eronly /* Start of .data section in FLASH */ + .global _enoinit /* End of uninitilized data. Defined by ld.script */ .global up_lowinit /* Perform low level initialization */ .global os_start /* NuttX entry point */ @@ -257,15 +258,14 @@ __do_clear_bss: * Heap Base ****************************************************************************/ - /* This global variable is unsigned long g_heapbase and is - * exported from here only because of its coupling to other - * uses of _ebss in this file + /* This global variable is unsigned long g_heapbase and is exported from + * here only because of its coupling to other uses of _enoinit in this file */ .data .globl g_heapbase .type g_heapbase, object g_heapbase: - .word _ebss+CONFIG_IDLETHREAD_STACKSIZE + .word _enoinit+CONFIG_IDLETHREAD_STACKSIZE .size g_heapbase, .-g_heapbase .end |