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Commit 37082511 authored by Mike Frysinger's avatar Mike Frysinger
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Blackfin: fix command line corruption with DEBUG_DOUBLEFAULT 



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: default avatarMike Frysinger <vapier@gentoo.org>
parent 89ecd506

arch/blackfin/mach-common/head.S

+8 −8
Original line number Diff line number Diff line
@@ -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 */