| From | Mike Frysinger <> | Subject | [PATCH 46/62] Blackfin: fix command line corruption with DEBUG_DOUBLEFAULT | Date | Fri, 5 Jun 2009 04:04:55 -0400 |
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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> --- arch/blackfin/mach-common/head.S | 16 ++++++++-------- 1 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 01d62ff..f826f6b 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -124,25 +124,25 @@ ENTRY(__start) * below */ GET_PDA(p0, r0); - r7 = [p0 + PDA_RETX]; + r6 = [p0 + PDA_RETX]; p1.l = _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.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.h = _init_saved_icplb_fault_addr; - [p1] = r7; + [p1] = r6; - r7 = [p0 + PDA_SEQSTAT]; + r6 = [p0 + PDA_SEQSTAT]; p1.l = _init_saved_seqstat; p1.h = _init_saved_seqstat; - [p1] = r7; + [p1] = r6; #endif /* Initialize stack pointer */ -- 1.6.3.1
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