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| author | Anthony Green <green@moxielogic.com> | 2012-10-27 15:57:12 +0000 |
|---|---|---|
| committer | Anthony Green <green@moxielogic.com> | 2012-10-27 15:57:12 +0000 |
| commit | ffa2dd6787abb5393f9b77c0fcaa6b690a45d907 (patch) | |
| tree | 7bcbb94a5bf40ce0498d8dbad2eea3ecdea3a896 /libgloss/moxie | |
| parent | f71f133bda3077c835de51e76e83f674d45297ae (diff) | |
| download | cygnal-ffa2dd6787abb5393f9b77c0fcaa6b690a45d907.tar.gz cygnal-ffa2dd6787abb5393f9b77c0fcaa6b690a45d907.tar.bz2 cygnal-ffa2dd6787abb5393f9b77c0fcaa6b690a45d907.zip | |
Minor optimization and bug fix for moxie.
Diffstat (limited to 'libgloss/moxie')
| -rw-r--r-- | libgloss/moxie/crt0.S | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/libgloss/moxie/crt0.S b/libgloss/moxie/crt0.S index e166895ac..44616a82e 100644 --- a/libgloss/moxie/crt0.S +++ b/libgloss/moxie/crt0.S @@ -19,18 +19,15 @@ .type __start,@function __start: _start: - ldi.l $sp, (_stack-12)/* load up stack pointer with space - for stack frame. */ + ldi.l $sp, _stack /* set the top of stack */ xor $fp, $fp /* zero fp to allow unwinders to stop */ /* zero the bss area */ ldi.l $r0, __bss_start__ - ldi.l $r1, __bss_end__ - sub.l $r1, $r0 - sto.l 8($sp), $r1 - ldi.l $r1, 0 + xor $r1, $r1 + ldi.l $r2, __bss_end__ + sub.l $r2, $r0 jsra memset - inc $sp, 12 /* Call _init to invoke static constructors, etc. */ jsra _init |