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Blackfin: fix command line corruption with DEBUG_DOUBLEFAULT

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Commit 6b3087c6 (which introduced Blackfin SMP) broke command line passing
when the DEBUG_DOUBLEFAULT config option was enabled.  Switch the code to
using a scratch register and not R7 which holds the command line.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2009-05-26 21:48:38 +00:00
parent 89ecd50691
commit 37082511f0
1 changed files with 8 additions and 8 deletions
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16
arch/blackfin/mach-common/head.S
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@@ -124,25 +124,25 @@ ENTRY(__start)
* below * below
*/ */
GET_PDA(p0, r0); GET_PDA(p0, r0);
r7 = [p0 + PDA_RETX]; r6 = [p0 + PDA_RETX];
p1.l = _init_saved_retx; p1.l = _init_saved_retx;
p1.h = _init_saved_retx; p1.h = _init_saved_retx;
[p1] = r7; [p1] = r6;
r7 = [p0 + PDA_DCPLB]; r6 = [p0 + PDA_DCPLB];
p1.l = _init_saved_dcplb_fault_addr; p1.l = _init_saved_dcplb_fault_addr;
p1.h = _init_saved_dcplb_fault_addr; p1.h = _init_saved_dcplb_fault_addr;
[p1] = r7; [p1] = r6;
r7 = [p0 + PDA_ICPLB]; r6 = [p0 + PDA_ICPLB];
p1.l = _init_saved_icplb_fault_addr; p1.l = _init_saved_icplb_fault_addr;
p1.h = _init_saved_icplb_fault_addr; p1.h = _init_saved_icplb_fault_addr;
[p1] = r7; [p1] = r6;
r7 = [p0 + PDA_SEQSTAT]; r6 = [p0 + PDA_SEQSTAT];
p1.l = _init_saved_seqstat; p1.l = _init_saved_seqstat;
p1.h = _init_saved_seqstat; p1.h = _init_saved_seqstat;
[p1] = r7; [p1] = r6;
#endif #endif
/* Initialize stack pointer */ /* Initialize stack pointer */