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filter exception vector for altivec and remap 0xf20 to

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assigned vector number alias.
This commit is contained in:
Till Straumann
2006-06-19 20:14:05 +00:00
parent d1999c8b8e
commit 599e719abe
2 changed files with 15 additions and 2 deletions
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c/src/lib/libbsp/powerpc/ChangeLog
+5
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@@ -1,3 +1,8 @@
2006-06-19 Till Straumann <strauman@slac.stanford.edu>
* shared/vectors/vectors.S: filter exception vector for
altivec and remap 0xf20 to assigned vector number alias.
2006-06-19 Till Straumann <strauman@slac.stanford.edu>
* shared/startup/bspstart.c: fixed compiler warnings
c/src/lib/libbsp/powerpc/shared/vectors/vectors.S
+10 -2
View File
@@ -73,11 +73,19 @@ SYM (push_normalized_frame):
* (256 * vector number) + few instructions
*/
mflr r3
/* mask upper bits in case vectors are in the high area (psim) */
rlwinm r3, r3, 32-5, 20, 31
/*
* Remap altivec unavaliable (0xf20) to its vector number...
*/
cmplwi r3,(ASM_VEC_VECTOR_OFFSET>>5)
bne 1f
li r3,ASM_VEC_VECTOR<<3
1:
/*
* r3 = r3 >> 8 = vector #
* mask upper bits in case vectors are in the high area (psim)
*/
rlwinm r3,r3,32-8,20,31
srwi r3,r3,3
stw r3, EXCEPTION_NUMBER_OFFSET(r1)
stw r0, GPR0_OFFSET(r1)
/* R2 should never change (EABI: pointer to .sdata2) - we