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* emultempl/spu_ovl.S (__ovly_return, __ovly_load): Set sym size. 

(__ovly_load_event): Define.
	(size): Rename to osize.
	* emultempl/spu_ovl.o: Regenerate.
This commit is contained in:
Alan Modra 2007-02-13 07:47:22 +00:00
parent 41160f02e6
commit b1e374737b
3 changed files with 23 additions and 6 deletions
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7
ld/ChangeLog
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@ -1,3 +1,10 @@
2007-02-13 Alan Modra <amodra@bigpond.net.au>
* emultempl/spu_ovl.S (__ovly_return, __ovly_load): Set sym size.
(__ovly_load_event): Define.
(size): Rename to osize.
* emultempl/spu_ovl.o: Regenerate.
2007-02-13 Alan Modra <amodra@bigpond.net.au>
* emulparams/elf64ppc.sh (OTHER_READWRITE_SECTIONS): Add ".branch_lt".

22
ld/emultempl/spu_ovl.S
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@ -62,7 +62,7 @@
#define vma $6
#define map $7
#define size $7
#define osize $7
#define cmp2 $7
#define ea64 $8
@ -101,6 +101,7 @@ __ovly_return:
shlqbyi $78, $lr, 4
shlqbyi $79, $lr, 8
biz $78, $79
.size __ovly_return, . - __ovly_return
/**
* __ovly_load - copy an overlay partion to local store.
@ -194,6 +195,13 @@ __ovly_backchain_loop:
ceq cmp, $78, cur
brnz cmp, __ovly_load_restore
/* Marker for profiling code. If we get here, we are about to load
* a new overlay.
*/
.global __ovly_load_event
.type __ovly_load_event, @function
__ovly_load_event:
/* Set _ovly_buf_table[buf].mapped = $78. */
cwx genwi, tab, off
shufb map, $78, map, genwi
@ -204,7 +212,7 @@ __ovly_backchain_loop:
* loader, and indicating the value for SPU executable image start.
*/
lqd cgshuf, (__cg_pattern-__ovly_return+4)(retval)
rotqbyi size, vma, 4
rotqbyi osize, vma, 4
rotqbyi sz, vma, 8
lqa ea64, _EAR_
@ -219,8 +227,8 @@ __ovly_xfer_loop:
/* Setup DMA parameters, then issue DMA request. */
rotqbyi ealo, add64, 4
ila maxsize, MFC_MAX_DMA_SIZE
cgt cmp, size, maxsize
selb sz, size, maxsize, cmp
cgt cmp, osize, maxsize
selb sz, osize, maxsize, cmp
ila tagid, MFC_TAG_ID
wrch $MFC_LSA, vma
wrch $MFC_EAH, ea64
@ -232,8 +240,8 @@ __ovly_xfer_loop:
/* Increment vma, decrement size, branch back as needed. */
a vma, vma, sz
sf size, sz, size
brnz size, __ovly_xfer_loop
sf osize, sz, osize
brnz osize, __ovly_xfer_loop
/* Save app's tagmask, wait for DMA complete, restore mask. */
rdch oldmask, $MFC_RdTagMask
@ -273,3 +281,5 @@ __ovly_irq_restore:
__ovly_load_ret:
/* Branch to target address. */
bi $79
.size __ovly_load, . - __ovly_load

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ld/emultempl/spu_ovl.o
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