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sparc,leon: avoid triggering TN-0009 bad sequence

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Update #4336.
This commit is contained in:
Daniel Hellstrom
2019-11-20 13:19:35 +01:00
parent 6caff4d61d
commit acad761b9c
1 changed files with 2 additions and 1 deletions
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3
cpukit/score/cpu/sparc/sparc-counter-asm.S
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@@ -31,8 +31,9 @@ SYM(_SPARC_Counter_read_default):
sethi %hi(_SPARC_Counter + 12), %o1 sethi %hi(_SPARC_Counter + 12), %o1
ld [%o1 + %lo(_SPARC_Counter + 12)], %o0 ld [%o1 + %lo(_SPARC_Counter + 12)], %o0
add %o0, 1, %o0 add %o0, 1, %o0
st %o0, [%o1 + %lo(_SPARC_Counter + 12)]
jmp %o7 + 8 jmp %o7 + 8
st %o0, [%o1 + %lo(_SPARC_Counter + 12)] nop
PUBLIC(_SPARC_Counter_read_up) PUBLIC(_SPARC_Counter_read_up)
PUBLIC(_SPARC_Get_timecount_up) PUBLIC(_SPARC_Get_timecount_up)