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| author | cpldcpu <cpldcpu@gmail.com> | 2013-12-07 17:52:17 +0100 |
|---|---|---|
| committer | cpldcpu <cpldcpu@gmail.com> | 2013-12-07 17:52:17 +0100 |
| commit | 01f5133aa09148a90154597a202a0592bd1f98a3 (patch) | |
| tree | c24fa76d9e16c9f8d3c6277bb965faeaa8f7a13a | |
| parent | 5eec4f6815221e78c06cc132df258f38d5b46cd8 (diff) | |
| download | micronucleus-01f5133aa09148a90154597a202a0592bd1f98a3.tar.gz micronucleus-01f5133aa09148a90154597a202a0592bd1f98a3.tar.bz2 micronucleus-01f5133aa09148a90154597a202a0592bd1f98a3.zip | |
init stackpoint
| -rw-r--r-- | firmware/crt1.S | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/firmware/crt1.S b/firmware/crt1.S index bb7b8e0..29693ac 100644 --- a/firmware/crt1.S +++ b/firmware/crt1.S @@ -35,11 +35,13 @@ #if (__GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 3) #error "GCC version >= 3.3 required" #endif + /* #include IOSYMFILE - #include "macros.inc" */ +#include <avr/io.h> +//#include <avr/pgmspace.h> #define XJMP rjmp #define XCALL rcall @@ -75,7 +77,7 @@ __vectors: __init: .weak __stack - + .set __stack, RAMEND /* By default, malloc() uses the current value of the stack pointer minus __malloc_margin as the highest available address. @@ -88,7 +90,10 @@ __init: .section .init2,"ax",@progbits clr R1 out 0x3f,r1 - + ldi r28,lo8(__stack) + ldi r29,hi8(__stack) + out 0x3d, r28 + out 0x3e, r29 .section .init9,"ax",@progbits XJMP main ; .endfunc |