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Commit b3f8b927 authored by Robin Getz's avatar Robin Getz Committed by Bryan Wu
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Blackfin arch: the load address is not safe to point to as a workaround for ANOMALY 05000281 



Now that we have moved head.S into the init section, the load
address is not safe to point to as a workaround for ANOMALY 05000281

Signed-off-by: default avatarRobin Getz <robin.getz@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent b76f9876

arch/blackfin/mach-common/entry.S

+13 −4
Original line number Diff line number Diff line
@@ -52,6 +52,15 @@ 
# define EX_SCRATCH_REG CYCLES

#endif



#if ANOMALY_05000281

ENTRY(_safe_speculative_execution)

	NOP;

	NOP;

	NOP;

	jump _safe_speculative_execution;

ENDPROC(_safe_speculative_execution)

#endif



#ifdef CONFIG_EXCPT_IRQ_SYSC_L1

.section .l1.text

#else
@@ -685,8 +694,8 @@ ENTRY(_return_from_int) 
	[p0] = p1;

	csync;

#if ANOMALY_05000281

	r0.l = lo(CONFIG_BOOT_LOAD);

	r0.h = hi(CONFIG_BOOT_LOAD);

	r0.l = _safe_speculative_execution;

	r0.h = _safe_speculative_execution;

	reti = r0;

#endif

	r0 = 0x801f (z);
@@ -699,8 +708,8 @@ ENDPROC(_return_from_int) 


ENTRY(_lower_to_irq14)

#if ANOMALY_05000281

	r0.l = lo(CONFIG_BOOT_LOAD);

	r0.h = hi(CONFIG_BOOT_LOAD);

	r0.l = _safe_speculative_execution;

	r0.h = _safe_speculative_execution;

	reti = r0;

#endif

	r0 = 0x401f;